:: 1992 :: Alexandria, Egypt

Fourth International Conference of Fluid Mechanics

(ICFM 4) April 28-30, 1992 Helnan Palestine Hotel, Alexandria, Egypt

Organized by:

○ Alexandria University (Egypt)
○ Cairo University (Egypt)
○ Mansoura University (Egypt)
○ University Pierre et Marie Currie (Paris VI)
○ Virginia Polytechnic Institute and State University (U.S.A.)

Conference Program:

Download Conference Program

Session 1: BOUNDARY LAYER: Jets and Shear Layer

○ Tuesday, 28/4/1992, 11:30-13:30

Chairpersons:
M. Hafez, University of California, U.S.A.
S. Khader, Cairo University, EGYPT

Experimental Measurement of Energy Transfer Rates in an Excited Free Shear Flow
M. R. Hajj, R. W. Miksad, and E. J. Powers
The University of Texas at Austin, Austin, TX, U.S.A.

Rating the Thickness of the Boundary Layer in the Singular Perturbation of the Stokes Problem Using Domain Decomposition
D. Konate
L. I. C. I. A., Courbevoie, France

Shearing Strain Rate Components in Mohr Space
Salah El Din Taher and Abdullah Al-Musallam
King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

Analytical and Experimental Results Concerning a Plane Laminar Wall Jet
M. F. Scibilia
CNRS, Meudon, France

On the Low Reynolds Number Axisymmetric Air Jet
A. A. Abdel-Rahman, M. K. Ibrahim, and M. A. Hanafy
Alexandria University, Egypt

Session 2: BIOMECHANICS: Modeling

○ Tuesday, 28/4/1992, 11:30-13:30

Chairpersons:
T. Yamaguchi, Tokyo University, Japan
D. Lerche, Humboldt University, Germany

Fluid Flow in a Solid Elastic Matrix: An Application to the Rheology of Biological Media
D. Geiger, O. Le Gallo, and S. Naili
Université de Paris XII, France

Presentation of a Mixed Problem Fluid-Structure from a Biomechanical Problem
J. M. Crolet, B. Chahboune, and S. Akesbi
Université de Franche-Comté - Université de Haute-Alsace, France

Trends in Cardiac Dynamics: Towards Coupled Models of Intracavity Fluid Dynamics and Deformable Wall Mechanics
G. Pelle, J. Ohayon, and C. Oddou
Université de Paris XII & INSERM U.2, Creteil, France

Finite Element Analysis of Influence of Geometric Form of Dental Implant on Stress in Host Osseous Region
D. Veyret, J. Panlaloni, and R. Martin
Université d'Aix-Marseille, Marseille, France

Effect of Arterial and Venous Blood Thermal Interaction on Surface Tissue Temperature
M. M. Osman
Alexandria University, Egypt

Air Flow and Particles Deposition in a Model of Central Airways
O. A. El Masry, and K. M. El-Shobaky
Alexandria University, Egypt

Session 3: CONVECTION

○ Tuesday, 28/4/1992, 11:30-13:30

Chairpersons:
J. L. Peube, Université de Poitiers, France
K. Hassan, Cairo University, Egypt

Remarks on the Heat Transfer Configurations with Cylindrical Symmetry in Superfluid Helliun
F. Jebali, and M. X. Francois
Université de Paris VI, France

Mixed Convection in Ohmic Heating of Liquids
A. Ould el Moctar, H. Peerhossaini, P. Le Peurian, and J. P. Bardon
Université de Nantes, France

Natural Convection in Annular Vertical Cavities
Samy M. Elsherbiny, and Mohamed A. Teamah
Alexandria University, Egypt

Experimental Investigation on Convective Heat Transfer of Heated Spinning Sphere
S. M. Tieng, and A. C. Yan
National Cheng Kung University, Tainan, Taiwan

Thermocapillary/Buoyant Convection in a Rectangular Cavity
M. Mundane, and A. Zabib
Rutgers University, U.S.A.

Influence of a Temperature Gradient on the Flow Field in a Couette Cell
A. Lyazid, and R. Hocquart
Université Louis Pasteur, Strasbourg, France

Session 4: MULTI-PHASE FLOWS: General Aspects

○ Tuesday, 28/4/1992, 11:30-13:30

Chairpersons:
H. Peerhossaini, Université de Nantes, France
A. I. I. Abdel-Fattah, Alexandria University, Egypt

Transport of Water in a Deformable Diphase Medium
I. Mrani, R. Auria, J. C. Benet, and G. Fras
Université de Montpellier - ORSTOM, Montpellier, France

A Total Non-Equilibrium Two-Phase Model for the Ignition of Ballistic Charges
B. Porterie, J.-C. Loraud, R. Saurel, and M. Larini
Université de Provence, Marseille, France

Experimental Investigations into Two-Phase Bubbly Flow in an Electrochemical Machining Gap
T. I. Sabry, A. M. Abdel Mahboud, and N. H. Mahmoud
Menoufia University, Egypt

Cross Stream Voidage Instabilities in Fluidized Bed
A. S. Sabry, and J. T. C. Liu
Cairo University, Egypt - Brown University, RI, U.S.A.

Session 5: COMPUTATIONAL FLUID DYNAMICS: Euler Equation

○ Tuesday, 28/4/1992, 15:00-16:40

Chairpersons:
O. Kandil, Old Dominion University, U.S.A.
B. Elmabsout, Université de Paris VI, France

An Adaptive Flux-Vector Splitting Solver for One-Dimensional Euler Equations
A. O. Sherif, and E. F. Sheta
Cairo University, Giza, Egypt

Arbitrary Order Time-Accurate Scheme for the Solution of the Unsteady Incompressible Navier-Stokes Equations
S. Abdallah, and K. K. Hassan
University of Cincinnati, Cincinnati, OH, U.S.A.

A Rotor-Stator Interaction Study through an Implicit Euler Code on a Parallel Machine
C. Vassllopoulos, G. Simandirakis, K. Giannakoglou, and K. D. Papailiou
National Technical University of Athens, Athens, Greece

Explicit Euler-Lagrangian Approach for Modelling Slot Flow with High Reynolds Number
A. A. A. Moustafa, and M. N. Anwar
Alexandria University, Egypt

Numerical Solution of Invisid Two-Dimensional Unsteady Flow by the Method of Characteristics
Gamal H. Mohamed Hafez, and Abdul Aziz M. Abdul Aziz
Ain Shams University, Egypt

Session 6: BIOMECHANICS: Artificial Organs

○ Tuesday, 28/4/1992, 15:00-16:40

Chairpersons:
Barthes Biesel, Université de Compiegne, France
M. A. Hassab, Alexandria University, Egypt

Experimental and Computational Fluid Dynamics of Artificial Heart Valves
V. Garitey, R. Rieu, C. Masson, and R. Pelissier
Université d'Aix Marseille, France

Artificial Heart Valve Testing - Energy Dissipation of Leakage Flow with Non-Newtonian Testfluids (SEPARAN)
M. O. Wendt, M. Pohl, K. Engelhard, G. Seidel, and S. Vieweg
Humboldt University, Berlin, Germany

Artificial Heart Valve Testing: Comparison of the Leakage of Newtonian Fluids with Blood
E. Stosslein, M. Pohl, M. O. Wendt, and D. Lerche
Humboldt Universität, Berlin, Germany

Unsteady Cross Row Filtration of Blood through a Microporous Membrane
M. Y. Jaffrin, L. H. Ding, and J. M. Laurent
Université de Technologie de Compiègne, France

A New Drug Pump Using the Properties of Collapsible Tubes
B. Dion, and J. P. Renaudeaux
Université de Paris VI, France

Session 7: THERMOFLUIDS

○ Tuesday, 28/4/1992, 15:00-16:40

Chairpersons:
M. X. Francois, Université de Paris VI, France
N. M. Rafat, Cairo University, Egypt

Analytical and Experimental Investigation of Film Evaporation Heat Transfer outside a Horizontal Grooved Tube
El-Adawi S. El-Metwally, M. M. Shamloul, M. Mansour, and A. Marie
University of Zagazig - Atomic Energy Authority, Egypt

Steady State Transition Boiling on a Horizontal Surface
H. A. A. Khattab
Menoufia University, Shebin El-Kom, Egypt

A Comparison of the Accuracy of Some Heat Transfer Correlations for Inverted Annular Flow Film Boiling of Water in a Vertical Tube
M. Mosaad
Mansoura University, Egypt

Heat Transfer and Fluid Flow in GTA and GMA Weld Pools
A. M. Al-Bahi, G. A. Nassef, and M. M. Abdelrahman
King Abdulaziz University, Saudi Arabia

Session 8: MULTI-PHASE FLOWS: Sprays and Atomic

○ Tuesday, 28/4/1992, 15:00-16:40

Chairpersons:
J. C. Benet, Université de Montpelier, France
M. M. El-Kotb, Cairo University, Egypt

A Numerical Simulation of Injection of Droplets in a Compressible Flow
E. Daniel, M. Larini, J. C. Loraud, and B. Porterie
Université de Provence, Marseille, France

Experimental and Theoretical Study of a New Process Generating Monodisperse Aerosols
J. M. Chicheportiche, and J. P. Renaudeaux
Université de Paris VI, France

The Influence of Operating Conditions on Spray Characteristics of Airblast Atomizers
A. Mostafa, I. Abdel-Monhim, T. Abou-Arab, and M. Abou-Ellail
Cairo University, Giza, Egypt

Choice of Optimum Droplet Diameter in Direct Contact Spray System Condensation
N. A. Ibrahim, M. A. Marwan, and E. S. El Metwally
Atomic Energy Authority - Zagazig University, Egypt

Session 9: BIOMECHANICS: General Schemes

○ Tuesday, 28/4/1992, 17:00 18:15

Chairpersons:
D. Geiger, Université de Paris XII, France
O. A. El-Masry, Alexandria University, Egypt

Echocardiographic Flow M-Model for Studying Left Ventricular Velocity Fields during the Filling Period
P. Brun, A. M. Duval, M. Meguira, G. Pelle, Y. Percy, and C. H. U. H. Mondor
Creteil, France

Interaction of Oscillatory Flow and Steady Unidirectional Flows in Airway Like Tubes during Impedance Forcing
D. Isabey, and B. Louis
INSERM, Creteil, France

Microviscosity of the Rat Blood under the Action of Pollution of the Environment
Y. A. Kiskyakov, T. E. Shumilova, and S. I. Nikonova
Academy of Sciences, St. Petersburg, Russia

Session 10: CONVECTION

○ Tuesday, 28/4/1992, 17:00-18:15

Chairpersons:
O. Daube, CNRS, Orsay, France
A. Zabib, Rutgers University, U.S.A.

Two-Dimensional Buoyancy-Driven Flow in a Horizontal Annulus Filled with Low Prandtl Number Fluids
A. Cheddadi, M. Grundmann, M. C. Charrier-Mojtabi, and A. Mojtabi
Université Paul Sabatier, Toulouse, France

Convection of a Fluid Participating to Radiation in Cylindrical Ducts a Prescribed Flux Solution
E. H. Bouguerra, and D. Lemonnier
Université de Poitiers, France

Direct Simulation of Turbulent Convection in a Square Differentially Heated Cavity with Spectral Methods
M. Behnia, and P. Le Quere
LIMSI-CNRS, Orsay, France

Session 11: MULTI-PHASE FLOWS: General Aspects

○ Tuesday, 28/4/1992, 17:00-18:15

Chairpersons:
T. Levy, Université de Paris VI, France
S. Elemam, Mansoura University, Egypt

Homogenization Methods Applied to the Viscosity of a Suspension
Th. Levy
Université de Paris VI, France

Local Analysis of Gas Particles Flow in a Circulating Fluidized Bed
P. Cattieuw, L. Tadrist, J. Pantaloni, and P. Seguin
Université de Provence, Marseille - C.N.I.M., La Seyne-Sur-Mer, France

Effect of Inclination of Vertically Fluted Tubes on Heat and Fluid Flow in Film Condensation
S. D. Bedrose, N. H. Aly, and N. A. Ibrahim
Nuclear Research Center, Cairo, Egypt

Modeling of Confined, Dilute, Particle-Laden, Turbulent Coaxial Jets
M. Rizk, and W. Fuchs
Cairo University, Egypt - Pittsburgh Energy Technology Center, Pittsburgh, PA, U.S.A.

Session 12: COMPUTATIONAL FLUID DYNAMICS: Methods and Grid Generation

○ Wednesday 29/4/1992, 9:00-11:00

Chairpersons:
R. Martin, Université de Provence, France
A. Serag El-din, Cairo University, Egypt

Some Applications of the Control Volume Finite-Element Method
H. Sadat, P. Salagnac, and J. L. Peube
Université de Poitiers, France

Upwind Finite-Volume Method with a Triangular Mesh for Conservation Laws
S-Y. Lin, Y-S. Chin, and T-M. Wu
National Cheng Kung, Taiwan, R.O.C.

A Segregated Solution Algorithm for a Mixed Finite-Element Formulation of Incompressible Turbulent Flows
A. Ruprecht
Stuttgart, Germany

A Critical Evaluation of Eight Different Discretization Schemes for Solving Gas Exchange Flow Processes in Reciprocating Engines
Abdul-Aziz M. Abdul Aziz, and Richard J. M. Messiha
Ain Shams University, Egypt

Three-Dimensional Inviscid Flow Computations Using a Chebyshev Formulation and Finite Element Method
E. M. El Ghazzani, G. Bois, Metrafiu, and F. Leboeuf
EC. Central, Lyon, Ecully, France

Session 13: UNSTEADY FLOWS: Water Hammer and Hydraulic Networks

○ Wednesday, 29/4/1992, 9:00-11:00

Chairpersons:
R. Occelli, Université de Provence, France
H. Warda, Alexandria University, Egypt

Vibrations and Response of Hydraulic Networks
F. Massouh, A. Bouabdallah, R. Rey and R. Noguera
ENSAM, Paris, France

Modelling of Annular Two-Phase Isothermal Flow in Horizontal Pipes
A. M. Abdallah, E. M. Elsherbiny, S. S. Abou El-Seoud, and S. I. Mahmoud
Nuclear Research Center, Egypt

Analysis of Water Hammer in Two-Component Two-Phase Flows
H. Warda, E. Marzouk, and S. Azam
Alexandria University, Egypt

Unsteady Flow Structure from Streamlined Bodies at Very High Angle of Attack
Rasheed A. Atta
Minia University, Egypt

Session 14: BOUNDARY LAYER: Control and Separation

○ Wednesday, 29/4/1992, 9:00-11:00

Chairpersons:
P. Tampieri, Bologna University, Italy
J. A. Fein, Office of Naval Research, U.S.A.

Characterization of Turbulent Boundary Layer Separation
M. A. Alhusein, and D. J. Cockrell
Mu'tah University, Jordan - University of Leicester, U.K.

Analysis of Laminar Flow Separation Downstream of a Miter Bend
M. Bentercia
University of Batna, Algeria

Investigation of a Boundary Layer Disturbed by Unsteady Wakes
X. de Saint-Victor
CERT/ONERA, Toulouse, France

Moving Surface Boundary-Layer Control as Applied to Two and Three Dimensional Bluff Bodies
V. J. Modil, M. S. U. K. Fernando, Yokomizo, and T. Kanazawa
Vancouver, B.C., Canada - Japan

Recent Advances in Computational Active Control of Asymmetric Flows around Conical Forebodies
O. A. Kandil, H. H. Sharaf, and C. H. Liu
Old Dominion University, Norfolk, VA, U.S.A. - NASA Langley Research Center, Hampton, U.S.A.

The Influence of Bend Angle on the Size of Separation Regions Formed in Circular-Arc Bends
Nabil A. Kotb
Minia University, Egypt

Session 16: COMPUTATIONAL FLUID DYNAMICS: Internal Flow & Simulation

○ Wednesday, 29/4/1992, 11:20-13:20

Chairpersons:
F. M. El-Mahallawy, Cairo University, Egypt
R. Mankbadi, NASA Lewis Research Center, U.S.A.

Numerical Simulation of a Non-Reactive Flow in a Rapid Compression Machine
A. El-Bakkali, H. Naji, and P. Micheau
Université de Lille 1, France

Numerical Simulation of Euler Flow Equations on the Connection Machine
N. A. Sobh, and A. Almiligui
Old Dominion University, Norfolk, VA, U.S.A.

Corrector for Stocks Problems
D. Konate
L. I. C. I. A, Courbevoie, France

A Navier-Stokes Vorticity-Streamfunction Formulation for Two-Dimensional Flows
K. Giannakoglou, N. Lymberopoulos, P. Chaviaropoulos, and K. D. Papailiou
National Technical University of Athens, Greece

Convective Motions in a Melted Pool during Laser Surface Treatment: Numerical Simulation
D. Morvan, and P. H. Bournot
Marseille, France

Numerical Study of Laminar Flow past Two Cylinders
D. Veyret, R. Occelli, and R. Martin
Université de Provence, France

Session 17: UNSTEADY FLOWS: Waves

○ Wednesday, 29/4/1992, 11:20 13:20

Chairpersons:
D. Mook, Virginia Polytechnic Institute and State University, U.S.A.
K. Elshorbagy, Alexandria University, Egypt

Wave Propagation through Multiple Pipe Singularities
M. Rizk, J. P. Renaudeaux, B. Elmabsout and P. Ligneul
Université de Paris VI, Orsay - Schlumberger S.M.R, Paris, France

On the Slowly Moving Shock Waves in Supersonic and Hypersonic Flows
D. Drikakis, and S. Tsangaris
Athens, Greece

Dispersion and Energy Propagation fur Internal Waves in Dissipative Fluids
F. Mainardi, D. Tocci, and F. Tampieri
Bologna University - FISBAT, CNR, Bologna, Italy

Weakly Nonlinear Solutions of Sivashinsky Equation
D. N. Riahi
University of Illinois at Urbana-Champaign, Urbana, IL, U.S.A.

Quasi-Steady and Unsteady Flow Analysis for Moving Rarefaction Wave in Variable Cross-Sectional Area Ducts- Part I: Quasi-Steady Flow
N. I. Hewedy, S. M. Badrah, M. Nasr, and A. M. Hegab
Menoufia University, Egypt

Quasi Steady and Unsteady Flow Analysis for Moving Rarefaction Wave in Variable Cross-Sectional Area Ducts- Part II: Unsteady Flow
N. I. Hewedy, S. M. Badrah, M. Nasr, and A. M. Hegab
Menoufia University, Egypt

Session 18: BOUNDARY LAYER: Transition and Stability

○ Wednesday, 29/4/1992, 11:20-13:20

Chairpersons:
A. H. Nayfeh, Virginia Polytechnic Inst. and State University, U.S.A.
J. M. Crolet, Université de Besancon, France

Stability of Separating Boundary Layers
J. M. Masad, and A. H. Nayfeh
High Technology Corporation, Hampton, U.S.A. - Virginia Polytechnic Inst. and State University, Blacksburg, VA, U.S.A.

Streamwise Vortex Formation in Oscillating Stagnation Flow
H. Bippes, J. Böttcher, and E. Wedemeyer
DLR Göttingen, Germanye

Stability of a Turbulent Diffusion Bluff Body - Stabilized Flame
F. M. El-Mahallawy, M. A. Hassan, and I. A. El-Desokey
Cairo University, Giza, Egypt

Control of Transition Instabilities of High-Speed Flows
N. M. El-Hady
NASA Langley Reaerch Center, Hampton, VA, U.S.A.

Nonlinear Evaluation of Shear-Layer Instability Waves
L. S. Hultgren
Lewis Research Center, Cleveland, OH, U.S.A.

Receptivity of Wall Boundary Layers
A. Al-Maaitah
Mu'tah, Jordan

Session 19: SPECIAL TOPICS

○ Wednesday, 29/4/1992, 11:20-13:20

Chairpersons:
K. Wierzcholski, Technical University of Szczecin, Poland
R. A. Mahmoud, Alexandria University, Egypt

Effects of Transition between One-Phase/Two-Phase Flow through a Nozzle
E. Daniel, J. C. Loraud, and M. Larini
Université de Provence, Marseille, France

Electromagnetodynamic Fluid Flow in the Cylindrical Mixer
K. Wierzcholski, and A. Czajkowski
Tech. Univ. of Szczecin, Poland

Experimental Study of the Flow Structure in a CO2 Laser Cylindrical Discharge Tube
O. Boiron, Ph. Caminat, Ph. Bournot, G. Le Palec, and M. Gastaud
Institut Méditerranéen de Technologie, Marseille, France

An Interferometric Investigation of a CO2 Laser Produced Plasma Flow onto a Solid Material
M. Ghrab, M. Autric, and Ph. Bournot
Institute of Fluid Mechanics, Marseille, France

Effect of Tube Spacings on Periodic Flow Structure inside In-Line Tube Bundles
S. Ziada, and A. Oengoeren
Sulzer Brothers Ltd., Winterthur, Switzerland

Session 20: COMPUTATIONAL FLUID DYNAMICS: General Schemes

○ Wednesday, 29/4/1992, 15:00-16:40

Chairpersons:
J. Pantaloni, Université de Provence, France
M. N. Anwar, Alexandria University, Egypt

Green's Function and Spectral Added Methods for Solution of Poisson's Equation
I. A. Ismail, and M. I. Gomaa
Zagazig University, Zagazig, Egypt

Numerical Study of Neumann Boundary Value Problem of a Rectangle Using Green's Function
I. A. Ismail, and M. A. Awad
Zagazig University, Zagazig, Egypt

Accurate Solution of the 1-D Helmholtz Equation by Expansion in Chebyshev Polynomials
I. A. Ismail, and M. I. Gomaa
Zagazig University, Zagazig, Egypt

Session 21: BIOMECHANICS: Rheology

○ Wednesday, 29/4/1992, 15:00-16:40

Chairpersons:
G. Brun, Metra Flu, France
M. Y. Jafrin, Université de Compiegne, France

Flow of a Capsule through a Constriction
A. Leyrat-Maurin, A. Drochon, and D. Barthes-Biesel
Université de Technologie, Compiègne, France

Aspiration Experiments of Blood Cells into Micropipettes
C. Bucherer, S. Geiger, C. Lacombe, and J. C. Lelièvre
Université de Paris VI, France

Separation and Packing Behaviour of Blood Plasma and Blood Cells at Higher Volume Concentrations under Flow Acceleration. Sedimentation or Porous Medium Approach
D. Lerche
Humboldt University, Berlin, Germany

Polymer Solutions to Model the Viscoelastic Properties of Blood for Heart Valve Testing
D. Lerche, G. Vlastos, B. Koch, M. Pohl, and K. Affeld
Humboldt University - Free University, Berlin, Germany

Session 22: FLUID MACHINERY: Applications

○ Wednesday, 29/4/1992, 15:00-16:40

Chairpersons:
M. Rautenberg, University of Hamborg, Germany
G. Khalafalla, Cairo University, Egypt

Matching of Multi-Bladed Windmill to Water Pumps
A. A. El-Mallah, A. M. Mobarak, and A. A. Ibrahim
National Research Center - Cairo University, Egypt

The Effect of Fitting Cylindrical Rods near Impeller Eye on the Separation inside Centrifugal Pump Impellers
S. Mikhail, A. Ayyad, and K. Y. Khalil
Cairo University - Assiut University - Minia University, Egypt

Development and Performance Testing of Perforated Disc Air Lift Pump
K. A. Elshorbagy, M. M. Sorour, and S. Z. Kassab
Alexandria University, Egypt

Theoretical and Experimental Investigation on the Factors Affecting the Erosion in the Dredge Pumps Impellers
M. Abou-Rayan, and N. Gadelhak
Mansoura University - Suez Canal Authority, Ismailia, Egypt

The Leakage across a Slotted Labyrinth Seal Gland through Which Blowing is applied
H. A. El-Gamal, T. H. Awad, and E. S. Saber
Alexandria University, Egypt

Session 23: INDUSTRIAL APPLICATIONS

○ Wednesday, 29/4/1992, 15:00-16:40

Chairpersons:
P. Ligneul, Schlumberger, Paris, France
A. S. Huzzien, Assiut University, Egypt

Qualitative Physics, for Process Simulation
J. P. Barthes
Université de Technologie, Compiegne, France

Prediction of Fuel Consumption Reduction in Passenger Cars Using a Waste Heated Clausius-Rankine Process
D. Burhorn, P. Adamis, and M. Rautenberg
Hannover University - Volkswagen AG, Wolfsburg, Germany

Variational Formulation for Nonlinear Liquid Sloshing in Arbitrary Tank Geometry under Arbitrary Space Motion
R. A. Ibrahim, and L. P. Nolte
Wayne State University, Detroit, MI, U.S.A.

Session 24: COMPUTATIONAL FLUID DYNAMICS: Internal Flow

○ Wednesday, 29/4/1992, 17:00-18:30

Chairpersons:
P. Mainardi, Bologna University, Italy
M. A. Hassab, Alexandria University, Egypt

Numerical Computation of Axisymmetric Diffuser Flow Employing Body-Fitted Coordinates
M. A. Abdel-Fatah, M. A. Rizk, M. A. Serag-Eldin, and A. Mobarak
Cairo University, Giza, Egypt

Three-Dimensional Numerical Analysis of Gas Turbine Combustor Flows
A. A. Mostafa
Cairo University, Giza, Egypt

Session 25: BIOMECHANICS: Modeling

○ Wednesday, 29/4/1992, 17:00-18:30

Chairpersons:
C. Oddou, Université de Paris XII, France
O. A. El-Masry, Alexandria University, Egypt

Flow in an Aortic Bifurcation Model
M. Thiriet, C. Pares, E. Saltel, and F. Hecht
Université de Paris VII & INRIA, France

Numerical 3-D Simulations of Steady Flows in a Bifurcation Model, Implications in Human Arterial Bifurcations
V. Deplano, R. Pelissier, R. Rieu, and P. Bontoux
Institut de Mécaniques des Fluides de Marseille, France

Initiation of Systolic Anterior Motion of the Mitral Valve in Hypertrophic Cardiomyopathy: A Comprehensive Study Based on in Vetro and Computational Experiments
X. Lefebvre, C. Vesier, R. Levine, and A. Yoganathan
Georgia, U.S.A.

Realistic Model Building Methods for the Computational Fluid Mechanical Study of the Blood Flow
T. Yamaguchi, A. Sakurai, M. Masuda, and T. W. Taylor
Tokai University - Kansai University - CTR. Res. Inst., Osaka, Japan

Session 26: FLUID MACHINERY: Fundamentals

○ Wednesday, 29/4/1992, 17:00-18:30

Chairpersons:
S. Abdallah, University of Cincinnati, U.S.A.
A. El-Sebaei, Ain-Shams University, Egypt

Modelisation of Losses in the Helico-Centrifugal Pumps
F. Bakir, R. Rey, S. Kouidri, R. Noguera, and F. Massouh
ENSAM, Paris, France

Theory of the Fractional Collection Efficiency for an Axial Flow Cyclone with the Tangential Inlet Pipe
A. Ogawa, and K. Sugiyama
Nihon University, Japan

Three Dimensional Compressible Frictionless Flow through Long Turbomachine Channels
M. Bassily Hanna
Minia University, Egypt

Turbomachine-Induced Turbulence in Blowing and Suction Model
A. Berkoune, and T. T. Al-Shemmeri
Systems Energetics, Algeria - Staffordshire Polytechnic, Stafford, U.K.

Session 27: INDUSTRIAL APPLICATIONS

○ Wednesday, 29/4/1992, 17:00-18:30

Chairpersons:
J. P. Renaudeaux, Université de Paris VI, France
S. Mikhail, Cairo University, Egypt

Theoretical and Experimental Study of Gas Flow through the Piston-Rings-Cylinder Wall Interface of a Reciprocating Engine
H. Saghir, and Ph. Arques
Ecole Centrale de Lyon, Ecully, France

Pressure Drop through Branched Ducts
K. A. Kassem, F. A. Mousa, and B. K. Morsy
Minia University, Minia, Egypt

Use of Valves for Surge Control in Case of Pump Power Failure
M. G. Aziz, and S. Mikhail
Petrojet Company - Cairo University, Egypt

Session 28: AERODYNAMICS

○ Thursday, 30/4/1992, 9:00-11:00

Chairpersons:
R. Ibrahim, Wayne State University, U.S.A.
K. S. Kaddah, Ain Shams University, Egypt

Hypersonic Flow around Model
Y. Burtschell, D. Zeitoun, and L. Labracherie
Université de Provence, Marseille, France

Pressure Transmission System for Surface Pressure Measurements around a Cylinder Moving along a Circular Path in Quiescent Air
T. K. Aldoss, T. W. Abou-Arab, and M. A. Jarrah
Jordan University of Science and Technology, Jordan - University of King Fahd, Dhahran, Saudi Arabia

The Effect of Downcoming Burst on the Pressure Distribution of Wing Sections
A. Al-Bahi, M. Ghazi, I. Olwi, and M. Aly
King Abdulaziz University, Jeddah, Saudi Arabia

Ground Effect on the Aerodynamic Process on the Plane Drag Profile
H. Benaissia, M. Bouaziz, N. Afif, and S. El-Golli
E. N. I. Monastir, Tunisia

Effect of Curvature on Turbulence for Wake Flow behind Airfoil Sections
A. M. Mobarak, M. G. Khalafalla, S. S. Ayad, and A. S. Abdelhafez
Cairo University - Zagazjg University, Egypt

Session 29: TURBULENCE: Turbulent Flow Structure

○ Thursday, 30/4/1992, 9:00-11:00

Chairpersons:
A. Cenedese, Univ. Degli Studi di Roma, Italy
M. Fouad, Cairo University, Egypt

An Overview of Coherent Structures in Turbulent Flows
R. R. MankbadiY. Burtschell, D. Zeitoun, and L. Labracherie
Lewis Research Center, Cleveland, OH, U.S.A.

Turbulent Length Scale Measurements in Axisymmetric Sudden Expansion Dump Combustor Utilizing Two LDV Systems
R. D. Gould, A. S. Nejad, and S. A. Ahmed
North Carolina Slate University, Raleigh - Wright-Patterson AFB, OH, U.S.A.

The Effect of Swirl and Roughness on Turbulent Flow in Circular Pipes
M. El-Kadi
Menoufia University, Egypt

Structure of a Turbulent Fully Developed Channel Flow with Wall Transpiration
H. Benaissia, M. Bouaziz, N. Afif, and S. El-Golli
Université de Toulouse, France

Session 30: VORTEX

○ Thursday, 30/4/1992, 9:00-11:00

Chairpersons:
A. Ogawa, Nihon University, Japan
R. Al-Taher, Zagazig University, Egypt

Perturbation of a Stagnation Flow by the Wake of a Cylinder: Onset of Large Scale Structures
M. Ahd, M. Champion and B. Deshaies
ENSMA, Poitiers, France

Numerical Studies of Vortex Ring Instabilities
J. P. Choquin, and S. Huberson
Center d'Etudes de Vaujours - LIMSI, CNRS, Paris, France

Vortex Breakdown
S. A. Berger
CA, U.S.A.

Numerical Investigation on the Coupling between Heat Transfer and Vortex Shedding on a Circular Cylinder
O. Daube, S. Huberson, and N. Leblond
CNRS, Orsay, France - Université du Havre, France

Experimental Investigation of Non-Newtonian Swirling Flow through Conical Diffusers
M. H. Embaby, H. A. Abdalla, and R. A. El-Fawal
Menoufia University, Shebin El-Kom, Egypt

Topologically Changing Three Dimensional Separated Flows. Analysis of Simulations. Flow-Separation and Vortex Chain Formation in the Three- Dimensional Flow around a Sphere
U. Dallmann, H. Gebing, and B. Schulte
Verning, Gottingen, Germany

Flow Structure in a Multiple Curved Channel Flow
H. Peerhossaini, and Y. Le Guer
Université de Nantes, France

Session 31: LUBRICATION

○ Thursday, 30/4/1992, 9:00-11:00

Chairpersons:
R. Miksad, University of Texas, U.S.A.
Z. S. Safar, Cairo University, Egypt

Mathematical Model of the Turbulent Ferromagnetic Lubricant Flow in the Gap between Two Rotational Surfaces with the Curvilinear Non-Monotone Generating Line
K. Wierzcholski, and A. Ghannouschi
Tech. Univ. of Szczecin, Poland - Ecole Nat. Ing. Sfax, Tunisia

Performance of Externally Pressurized Rectangular Gas Bearing under Constant Effective Recess Pressure
S. Z. Kassab
Alexandria University, Egypt

Effect of Shaft Misalignment on the Performance of Heavily Loaded Journal Bearings
H. A. El-Gamal, T. H. Awad, A. A. Helmy, and I. M. El-Fahham
Alexandria University, Egypt

Performance of Externally Pressurized Conical Thrust Bearing under Laminar and Turbulent Flow Conditions
M. F. Khalil, S. Z. Kassab, and A. S. Ismail
Alexandria University, Egypt

Effect of Inertia Forces on the Performance of Externally Pressurized Conical Thrust Bearings under Turbulent Flow Conditions
M. F. Khalil, S. Z. Kassab, and A. S. IsmailS. A. Berger
Alexandria University, Egypt

Session 32: AERODYNAMICS

○ Thursday, 30/4/1992, 11:20-12:50

Chairpersons:
D. Zeiton, Université de Provence, France
F. Mainardi, Bologna University, Italy

A Transonic Two-Dimensional Euler Solver
E. Sheta, A. Sherif, and A. Fathy
Cairo University, Giza, Egypt

Numerical and Experimental Investigation of Rarefied Compression Corner Flow
A. Chpoun, J. C. Lengrand, and K. S. Heffener
CNRS, Meudon, France

Simulation of Unsteady Aerodynamic Interference in Ground Effect: The Wingship
J. M. Elzebda, D. T. Mook, and A. H. Nayfeh
United Arab Emirates University, Al-Ain, U. A. Emirates - Virginia Polytechnic Institute and State University, Virginia, U.S.A.

Numerical Analysis of Supersonic Multijet
G. H. Moustafa, K. S. Murali Rajan, and E. Rathakrishnan
Menoufia University, Egypt - Indian Institute of Technology, Kanpur, India

Interaction of Parallel Supersonic Axisymmetric Jets
G. H. Moustafa, T. Sundararajan, and E. Rathakrishnan
Indian Institute of Technology, Kanpur, India

Session 33: TURBULENCE: Jets

○ Thursday, 10/4/1992, 11:20 12:50

Chairpersons:
D. Isabey, Inserm, France
M. B. Madi, Alexandria University, Egypt

Characteristics of the Gas Jet from Pipe-Collar Nozzle
W. C. Selerowicz, A. P. Szumowski, and G. E. A. Meier
Gottingen, Germany

Experimental Study on a Subsonic Ramjet
M. A. Kotb, H. A. Soliman, and N. Nimmer
Irbid, Jordan

Numerical and Experimental Investigation on a Cylindrical Restained Liquid
R. Occelli, L. Tadrist, and J. Pantaloni
Université de Provence, Marseille, France

Prediction of Double Concentric Jets with a Two-Equation Model of Turbulence
Maher S. Aly, and M. I. I. Rashed
King Abdulaziz University, Saudi Arabia - Cairo University, Giza, Egypt

The Behaviour of Turbulent Air Jet with and without a Wall at the Plane of Jet Exit
A. A. Abdel-Rahman, M. K. Ibrahim, and M. A. Hanafy
Alexandria University, Egypt

Session 34. CONVECTION

○ Thursday, 10/4/1992, 11:20 12:50

Chairpersons:
B. Caussade, Université de Toulouse, France
M. M. Hilal, Cairo University, Egypt

Numerical Analysis of Convective Diffusive Transport in the Bridgman-Stockharger Vertical Technique Subject to Steady and Unsteady Residual Acceleration
J. Ouassani, P. Laroude, and P. Bonloux
Université de Marseille, France

Unsteady Convection in a Cavity due to Pyrolysis
L. Allançon, R. Porterie, J. C. Loraud, and E. Daniel
Université de Provence, Marseille, France

Finite Element Model for Forced and Natural Convection Flows
M. Medale, M. Jaeger, and G. Dhatt
Université de Technologie Compiegne - Université de Provence, Marseille, France

Session 35. MEASUREMENTS TECHNIQUES: Pressure & Velocity

○ Thursday, 10/4/1992, 11:20 12:50

Chairpersons:
G. Carlomagno, University of Napoli, Italy
H. Mansour, Mansoura University, Egypt

Experimental Study of Turbulent Jet Measured by Laser Anemometry
H. Benaissia, H. Mhiri, M. El-Hajem, and S. El-Golli
E. N. I. Monastir, Tunisia

Evaluation of Filtration Efficiency by a Laser-Doppler Technique
N. H. Mostafa, and S. Ibrahim
Zagazig University - Mansoura University, Egypt

Velocity Measurements in Tubes by Laser Anemometry
Ferial Aigho
Université de Techrin, Lattaquie, Syria

On Flow and Volume Measurements
Camille Bouras
Tichrin University, Lattaquie, Syria

Session 36. ENVIRONMENT

○ Thursday, 30/4/1992, 14:20-16:00

Chairpersons:
S. El Golli, E. N. I. Monastir, Tunisia
M. A. Shawky, Alexandria, University, Egypt

Flow Within Building Drainage Pipes: Numerical and Experimental Study
Nagwa A. Mohamed
Minia University, Egypt

Investigation of Pressure Drop through Fuel Bundles in Research Reactors
M. S. Khattab, and A. R. Mina
Nuclear Research Center, Cairo, Egypt

An Efficient Treatment of Burgers' Equation Nonlinear Instability
A. Mohesn
Cairo University, Egypt

Session 37. TURBULENCE: Jets

○ Thursday, 30/4/1992, 14:20-16:00

Chairpersons:
D. Isabey, Inserm, France
S. Mourad, Cairo University, Egypt

Axisymmetric Air Jet Laden with Poly-Size Particles: Measurements and Predictions
A. A. Mostafa, and G. S. Samuelsen
Cairo University, Egypt - University of California, U.S.A.

Experimental Investigation of the Interaction between a Central Turbulent Jet and a Disk Wake Flow
A. Taha, M. S. El-Sallak, and M. S. Khader
Cairo University, Egypt

Experimental Measurements for Flow of a Jet Confined between Parallel Plates Using Laser Anemometry
A. E. Ghoneimy, and R. S. Dougall
Helwan University, Mattaria, Egypt - University of Pittsburgh, PA, U.S.A.

Session 38. THERMOFLUIDS

○ Thursday, 30/4/1992, 14:20-16:00

Chairpersons:
A. Mojtabi, Université de Toulouse, France
M. Awad, Mansoura University, Egypt

Unsteady Analysis for Quasi-One-Dimensional Viscous Heat Conducting Compressible Fluid
M. M. Abdelrahman
King Abdulaziz University, Jeddah, Saudi Arabia

Flow through Capillary Tubes of Different Geometries and Its Effect on Heat Pump Performance
S. A. El-Sayed, M. A. Aziz, and M. E. Moustafa
Zagazig University, Egypt

An Experimental Study on Heat Transfer into Gas-Solid Turbulent Upward Vertical Pipe Flow
A. Mobarak, M. Rizk, M. El-Sallak, and A. Torki
Cairo University, Egypt

Performance of Small Size Solar Pond under Alexandria Climate Conditions
M. A. Hassab, and M. M. El-Kassaby
Alexandria University, Egypt

Modeling using Finite Elements of Radiation Heat Transfer Coupled with Conduction
J. V. Daurelle, R. Occelli, and R. Martin
CNRS UA 1168, Marseille, France

Session 39. MEASUREMENTS TECHNIQUES: Thermal

○ Thursday, 30/4/1992, 14:20-16:00

Chairpersons:
R. Hocquart, Université de Louis Pasteur, France
A. El-Hefni, Alexandria University, Egypt

Infrared Thermography Applied to Heat Transfer Measurements and Flow Visualization
G. M. Carlomagno, and L. de Luca
University of Naples, Italy

Pressure Drop Measurement in Dimpled Heat Exchanger Surfaces
A. Berkoune, and T. T. El-Shemmeri
Center de Development des Systems Enérgetiques, Algeria - Staffordshire Polytechnic, Stafford, U.K.

Digital Interferometric Temperature Measurement on Axisymmetric Propane-Air, Fuel-Lean Flame
S. M. Tieng, and W. Z. Lai
Taiwan, Roc.