:: 1990 :: Cairo, Egypt

Third International Congress of Fluid Mechanics

(ICFM 3) January 2-4, 1990 Cairo, Egypt

Organized by:

○ Mansoura University (Egypt)

Conference Program:

Download Conference Program

Session 1: Flow Separation I

Chairpersons:
M. Schaffar, French-German Research Institute, FRANCE
S. Mikhail, Cairo University, EGYPT

Effects of Surface Geometry and Suction/Blowing on Marginal Separation
G. Hackmuller, and A. Kluwick
Technische University Wien, AUSTRIA

Influence of Fluid Injection on the Performance of Sudden-Enlargement
T. I. Sabry, B. A. Khalifa, N. I. Hewedy, H. A. Abdalla, and A. R. Dyab
Menoufia University, EGYPT

Prediction of Separated Flows Using the Thin-Layer Navier-Stokes Equations
A. A. Seif, M. F. Zedan, and A. M. Al-Shihry
King Saud University, SAUDI ARABIA

An Integral Viscous-Inviscid Interaction Model for Separating Shear Flow of Viscoelastic Fluids
L. H. Rabiey
Mansoura University, EGYPT

Session 2: CFD: General Schemes

Chairpersons:
C. H. Liu, NASA Langley Research Center, USA
A. B. Khalil, Cairo University, EGYPT

Vorticity-Dilatation Boundary Conditions for Viscous Compressible Flows
J. Z. WU, C. J. Wu, and J. M. Wu
The University of Tennessee Space Institute, TN, USA

Boundary-Integral Method for Calculating Aerodynamic Sensitivities with Illustration for Lifting-Surface Theory
E. C. Yates, and R. N. Desmarais
NASA Langley Research Center, Hampton VA USA

Efficient Implementation of the Signal Flow Graph Technique Applied to a Nonlinear Fluid Pipe Network
M. N. Sabry
Mansoura University, EGYPT

Water Table Movements and Its Effect on Pipe Network Leakage Detection
M. H. Mowafy, T. M. Owais, M. M. Soliman, and M. W. Abdelsalam
Zagazig University, EGYPT

Session 3: Unsteady Aerodynamics

Chairpersons:
J. Edwards, NASA Langley Research Center, USA
A. E. Ibrahim, Alexandria University,EGYPT

Unsteady Aerodynamics: Physical Issues and Numerical Predictions
J. W. Edwards
NASA Langley Research Center, Hampton, VA, USA

On the Three-Dimensionality and Unsteadiness of Separated Flows
U. Dallmann, and B. Schulte-Werning
DLR Institut Fur Theoretical Stromungsmechanik, FRG

Impact of Moving Discontinuous Flow on Wall Boundaries
M. M. Kemry
Al-Azhar University, EGYPT

Impulsive Flow over an Elliptic Cylinder
H. Jafroudi, and H. T. Yang
University of Southern California, CA, USA

Session 4: Fluid Machinery

Chairpersons:
W. Wiedenroth, University of Paderborn, FRG
A. S. Huzzien, Assiut University,EGYPT

Design Optimization of HAWT for Egyptian Climatology (Part I, Optimum Design)
H. Mansour, M. A. Rayan, and M. El-Naggar
Mansoura University, EGYPT

Design Optimization of HAWT for Egyptian Climatology. (Part II, Realistic Design)
H. Mansour, M. A. Rayan, and M. El-Naggar
Mansoura University, EGYPT

Influence of Air-Water Flow Mixtures on the Performance of Axial-Flow Pumps
A. M. Elsebaie, S. K. Kaddah, N. Abdel-Aziz, and H. A. Sadek
Ain Shams University, EGYPT

An Advanced Rotor Design for a Partial Admitted Pelton Steam Turbine under Aspect of Waste Heat Recovery
Z. Shao, D. Burhorn, M. Malobabic, and M. Rautenberg
Institute for Turbomachinery, Hannover, FRG

On the Behaviour of One Stage of a Multiple-Stage Centrifugal Pump Transporting a Solid-Liquid Mixture
W. Wiedenroth
Paderborn University, FRG

Session 5: Boundary Layer Control and Stability

Chairpersons:
R. W. Miksad, The University of Texas at Austin, USA
R. Vollheim, Technical University of Dresden, GDR

Separation Prevention as an Indirect Problem Based on the Triple Deck Theory
T. El-Mistikawy
Cairo University, EGYPT

Application of Localized Surface Heating to Actively Control the Boundary Layer Separation
N. M. El-Hady, and L. Maestrello
NASA Langley Research Center, Hampton, VA, USA

Symmetry and Instability of Radially-Heated Circular Couette Flow in a Tall Vertical Annulus
M. E. Alt, and P. D. Weidman
Helwan University, EGYPT - University of Colordo at Boulder, CO, USA

The Effect of Taylor Cell Size on the Transition to Time-Dependent Motion in Taylor Experiment (Wide Gap Case)
M. H. Said
Helwan University, EGYPT

Review of Some Recent Results on Stability, Transition, and Boundary Layer Control
V. Levchenko
Institute of Theoretical and Applied Mechanics, USSR

The Generation of Disturbances in Boundary Layers by Inhomogeneous Boundary Conditions
M. Gaster, and T. S. Gupta
University of Cambridge, ENGLAND

Session 6: CFD: Grid Generation

Chairpersons:
R. E. Smith, NASA Langley Research Center, USA
M. S. Khader, Cairo University, EGYPT

Use of Non-Cartesian Topology in Giant Grids for Controlling Global Grid Density
G. R. Shevare
Indian Institute of Technology, INDIA

Interactive Grid Adaption
J. S. Abolhassani, and E. L. Everton
Old Dominion University, VA, USA

Grid Generation for Computational CFD of full Aerodynamic Configurations
R. E. Smith
NASA Langley Research Center, VA, USA

Toward the Validation of Unsteady Solutions by Using Highly Accurate Schemes on Non-Uniform Grid System
S. Shirayama, and K. Kuwahara
Institute for Space and Astronautical Science, JAPAN

Session 7: Vorticity Dominated Flows I

Chairpersons:
E. C., Jr., Yates, NASA Langley Research Center, USA
A. Abd El-Halim, Alexandria University, EGYPT

Vortex Breakdown: Physical Issue and Computational Simulation
E. Krause
Aerodynamisches Institut, Aachen, FRG

Influence of Free Stream Turbulence on a Trailing Line Vortex
R. L. Ash, and D. J. Stead
Old Dominion University, VA, USA

Swirl Effects on Confined Flows in Axisymmetric Geometries
S. A. Ahmed, and A. S. Nejad
Wright Patterson Air Force Base, OH, USA

Predicted Coupling of Trip Rod Vortex Shedding with the Acoustic Field of a Resonator Tube
E. Brocher, M. C. Thompson, and K. Hourigan
University d'Aix Marseille, FRANCE

Measurement of Aerodynamic Properties of Golf Balls
J. P. Renaudeaux, C. Bouzouane, H. Vauxel, and A. Martinet
Université de Pierre et Marie Curie, FRANCE

Unsteady Aerodynamics of Delta Wings, Undergoing Ramp-Maneuvering in Pitch to Post-Stall Angle of Attack
M. A. Jarrah
University of Science and Technology, JORDAN

Session 8: Turbomachinery

Chairpersons:
A. Hamed, University of Cincinnati, USA
A. Mobarak, Cairo University, EGYPT

Off Design Performance of Axial Flow Turbines
H. Moustapha
Pratt and Whitney, Montreal, Quebec, CANADA

Flow Measurements Through Radial Turbine Nozzles
W. Tabakoff, and H. Eroglu
University of Cincinnati, OH, USA

Three-Dimensional LDV Flow Measurements and Theoretical Investigation in a Radial Inflow Turbine Scroll
M. F. Malak, A. Hamed, and W. Tabakoff
Allied-Signal Aerospace Company, AZ - University of Cincinnati, OH, USA

Hot Particles over Transpired Cylinders
D. D. Kladas, and D. P. Georgiou
Patras University, GREECE

Experimental Investigation on Flow between a Stationary Flat Disk and Rotating Cones
B. A. Khalifa, N. I. I. Hewedy, M. El-Kady, and A. I. El-Batran
Menoufia University, EGYPT

Session 9: Stability I: Receptivity

Chairpersons:
M. R. Malik, High Technology Corporation, USA
G. Khalafalla, Cairo University, EGYPT

Boundary Layer Receptivity: Theory
E. J. Kerschen
University of Arizona, AZ, USA

Boundary Layer Receptivity: Computation
H. L. Reed, W. S. Saric, and N. Lin
Arizona State University, AZ, USA

Boundary Layer Receptivity: Experiments
W. S. Saric, Y. Kohama, and J. A. Hoos
Arizona State University, AZ, USA

Receptivity, Stability and Transition of Boundary Layers at High Levels of Turbulence
V. V. Kozlov
Institute of Theoretical and Applied Mechanics, USSR

Session 10: CFD: Workstations and PC

Chairpersons:
S. R. Bland, NASA Langley Research Center, USA
S. Dessouky, Cairo University, EGYPT

Computational Fluid Dynamics on Workstations and Personal Computers
E. von Lavante
Old Dominion University, Norfolk, USA

Full Navier-Stokes Solutions on Personal Computers
M. P. Thomadakis, and S. Tsangaris
National Technical University of Athens, GREECE

Simulations of Unsteady Flows Using Personal Computers
E. von Lavante, A. El-Miligui, and H. Warda
University of Essen, FRG - Old Dominion University, VA, USA - Alexandria University EGYPTA

Personal Computer Study of Finite-Difference Methods for the Transonic Small Disturbance Equation
S. R. Bland
NASA Langley Research Center, VA, USA

Session 11: Vorticity Dominated Flows II

Chairpersons:
E. Krause, Aerodynamisches Institut, Aachen, FRG
S. Morad, Cairo University, EGYPT

An Evaluation of the Biot-Savart Computational Model for a Slit-Jet Flow Field
S. K. Ali, and J. F. Foss
Michigan State University, MI, USA

Numerical Simulations of Steady and Unsteady Vortical Flow around Wings and Bodies
O. A. Kandil
Old Dominion University, VA, USA

Prediction of Vortical Flows on Wings Using Incompressible Navier-Stokes Equations
C.-H. Hsu, and C. H. Liu
NASA Langley Research Center, VA, USA

Vortex Shedding Over Non-Parallel Edges
S. Klute, O. Rediniotis, H. Stapountzis, and D. Telionis
Virginia Polytechnic Institute and State University, VA, USA

Session 12: Propulsion

Chairpersons:
W. Tabakoff, University of Cincinnati, USA
F. EL-Mahallawy, Cairo University, EGYPT

Jet Engines Performance Deterioration
W. Tabakoff, and A. Hamed
University of Cincinnati, OH, USA

An Efficient and Successful "Dry Low NOx" System for Gas Turbines
B. Becker
Siemens, Mülheim, FRG

Flow Separation in Oblique Shock Wave Boundary Layer Interactions
A. Hamed
University of Cincinnati, OH, USA

Propulsion Feeder System: Unsteady Flow Modeling
F. Martelli, G. Bidini, G. Manfrida, and S. Scippa
Universita degli Studi di Firenze - SNIA-BPD S. P. A., ITALY

Session 13: Turbulence

Chairpersons:
H. Reed, Arizona State University, USA
M. El-Kotb, Cairo University, EGYPT

Numerical Simulation of the Nonlinear Evolution of Görtler Vortices
A. S. Sabry, and J. T. C. Liu
Brown University, RI, USA

Comparison of Measured and Calculated Disturbance Growth in a Three-Dimensional Boundary Layer Flow
H. Bippes, B. Muller, C. Berger, and F. S. Collier
DLR, Göttingen, FRG

Effect of Suction on the Stability of Supersonic and Hypersonic Boundary Layers
A. A. Al-Maaitah, and A. H. Nayfeh
Mu'tah University, JORDAN - Virginia Polytechnic Institute and State University, VA, USA

On the Stability of Supersonic Flow past Axisymmetric Bodies
M. R. Malik, and R. E. Spall
High Technology Corporation, VA, USA

Geometrical Factors Influencing the Flow Field in a Propulsive Nozzle
M. M. Kemry
UAl-Azhar University, Egypt

Session 14: Waves and Sound

Chairpersons:
A. Kluwick, Wien Technische Universitat, AUSTRIA
M. M. Kamel, Cairo University, EGYPT

ESWL Physics II: Temporal and Spatial Distribution of the Focused Shock Wave and its Effect on Urinary Test Concretion
M. Nasr, and U. Kurzweg
Helwan University, EGYPT - University of Florida, USA

Dissipative Effects on Internal Gravity-Waves in the Atmosphere
F. Mainardi, F. Tampieri, and G. Vitali
University of Bologna, ITALY

On the Propagation of Spherical and Cylindrical Waves in Media Having Both Positive and Negative Nonlinearity
A. Kluwick, and E. Czemetschka
Techmsche Univen-dtat Wien, AUSTRIA

Vortex Sound
F. Obermeier, and E.-A. Müller
Max-Planck-Institut fur Strömungsforschung, Göttingen, FRG

Session 15: Rotor Aerodynamics

Chairpersons:
O. A. Kandil, Old Dominion University, USA
A. El-Kayar, Alexandria University, EGYPT

Numerical Simulations of Three-Dimensional Rotor Blade-Vortex Interactions
A. A. Hassan, and B. D. Charles
McDonnell Douglas Helicopter Company, AZ, USA

Rotor Loads Computation Using Singularity Methods and Application to the Noise Prediction
M. Schaffar, and J. Haertig
French-German Research Institute, FRANCE

Numerical Simulation of Wakes with Application to Blade-Vortex Interaction
B. Dong, and D. T. Mook
Virginia Polytechnic Institute and State University, VA, USA

Effect of Entrance Housing on Axial Fan Performance
M. El Sallak, and A. Mobarak
Cairo University, EGYPT

Experimental Investigation of the Influence of Cut-Off Ratio on Radial Fan Performance
M. El Sallak, and A. Mobarak
Cairo University, EGYPT

Session 16: Thermofluids I

Chairpersons:
K. Klemp, Ruhr Universitat Bochum, FRG
M. M. Hillal, Cairo University, EGYPT

Combustion Process in a Gas Turbine Combustor when Using H2, NH3 and LPG Fuels
A. A. Desoky, A. S. Khalaf, and F. M. El-Mahallawy
Mansoura University - Cairo University, EGYPT

Improved Heat Transport of Heat Pipes with an Internal Wall Separating Liquid and Vapour Streams
K. A. Joudi, T. A. Abd-Al Hussain, and P. M. Abdul Majeed
Anbar University, IRAQ

Two-Dimensional Convergent-Divergent Nozzle Flow with Wall Velocity Slip and Temperature Jump
N. I. I. Hewedy, M. M. El-Kady, and M. A. Hamed
Menoufia University, EGYPT

Analysis of Heat Transfer in a Fluidized Bed Circulating through a Packed Bed
V. R. Raghavan, and A. M. Ibrahim
Indian Institute of Technology, INDIA - Mansoura University, EGYPT

Session 17: Stability II: Nonlinear Effects

Chairpersons:
E. J. Kerschen, University of Arizona, USA
A. A. Mohamed, Ain Shams University, EGYPT

Evolution and Interaction of Two- and Three-Dimensional Instability Waves
R. R. Mankbadi
NASA Lewis Research Center, Cleveland OH, USA

Nonlinear Secondary Bifurcation Solutions in Plane Poiseuille Flow
U. Ehrenstein, and W. Koch
DLR Institute for Theoretical Fluid Mechanics, Göttingen, FRG

Subharmonic Instability in Compressible Boundary Layers
J. A. Masad, and A. H. Nayfeh
Virginia Polytechnic Institute and State University, VA, USA

Two Vorticity Source Models for Predicting Secondary Flow in Non-Circular Passages
M. A. Khalifa, M. A. Rizk, and M. M. Enayet
Cairo University, EGYPT

Numerical Investigation of the Later Stages of the Fundamental Breakdown
H. Fasel, and U. Rist
Stuttgart University, FRG

On Instabilities in Axisymmetric Jet: Subharmonic Resonance
C. O. Paschereit, and I. Wygnanski
University of Arizona, AZ, USA

Session 18: CFD: Euler and Navier-Stokes Equations

Chairpersons:
H. A. Hassan, North Carolina State University, USA
J. E. Estivalezes, ONERA, Toulouse, FRANCE

Third Order Nonoscillatory Shock-Capturing Schemes for the Euler Equations of Gas Dynamics
J. Y. Yang
National Taiwan University, TAIWAN

Convergence Acceleration for a Finite Volume Scheme of the Euler Equations Using Mesh Sequencing
D. Drikakis, and S. Tsangaris
National Technical University of Athens, GREECE

Recent Developments in the Computational Solutions of Euler Equations
P. Raj
Lockheed Aeronautical Systems Company, CA, USA

Simulation of Three-Dimensional Flow Separation Using Navier-Stokes Equations
C.-M. Hung
NASA Ames Research Center, CA, USA

Oscillatory Flows in Rectangular Cavities with Steady Boundary Conditions
J. L. Estivalezes, and H. C. Boisson
ONERA, Toulouse, FRANCE

Session 19: Cavitation

Chairpersons:
G. Krey, Schiele GMBH, Eschborn, FRG
N. M. Raafat, Cairo University, EGYPT

Modified Parameters for Cavitation Damage Correlation
B. A. Khalifa, S. M. Serag, S. M. Selim, and M. M. Allam
Menoufia University, EGYPT

Theoretical Model for Cavitation Erosion Prediction in Centrifugal Pump Impeller
M. A. Rayan, M. M. Mahgoub, and N. H. Mostafa
Mansoura University, EGYPT

Cavitation in Suction-Impellers at Off-Design Operation and NPSH-Correction at Partial Load
W. Tillner
University of Paderborn, FRG

Experimental Evaluation of Pneumatic Atomizers by Hot Film
A. Shibl, and A. Seif
King Saud University, SAUDI ARABIA

Experimental Investigation on Sedimentation of Air Fluidized Fine Solid Particles
S. M. Eldighidy, and M. A. Rabah
Sultan Qaboos University, Oman - El-Tebbin Institute, EGYPT

Session 20: Thermofluids II

Chairpersons:
R. L. Ash, Old Dominion University, USA
M. M. Awad, Mansoura University, EGYPT

Similarity Rules for Superheated Liquid Jets
G. E. A. Meier, H. Chaves, and T. A. Kowalewski
Max-Planck-Institut für Strömungsforschung, Göttingen, FRG

On the Higher Order Accurate Compact Schemes for Solving the Convection-Diffusion Problems
S. F. Radwan
Alexandria University, EGYPT

Investigation of Radiative Interactions in High-Speed Entrance Region Flows
S. N. Tiwari, and D. J. Singh
Old Dominion University, VA, USA

Natural Convection Cooling of Heated Blocks
M. Afrid, and A. Zebib
Rutgers University, NJ, USA

Session 21: Mixing and Shear Layers

Chairpersons:
D. B. Taulbee, University of Buffalo, USA
A. A. Ashour, Cairo University, EGYPT

Behavior of Confined Shear Layers in a Rectangular Sudden Expansion
J. R. Hertzberg, and C. M. Ho
University of Southern California, Los Angeles, CA, USA

The Spreading of a Liquid Jet into a Gaseous Atmosphere
G. Janson
University of Kaiserslautern, FRG

Gas-Phase Flowrate Effect on Disintegrating Cryogenic Liquid-Jets
R. D. Ingebo
NASA Lewis Research Center, Cleveland, OH, USA

Particle Dispertion by Vortex Structures in Plane Mixing Layers
N. Kamalu, F. Wen, P. Hanle, J. N. Chung, C. T. Crowe, and T. R. Troutt
Washington State University, WA, USA

Session 22: CFD: Navier-Stokes Equations

Chairpersons:
J. N. Reddy, Virginia Polytechnic Institute and State University, USA
M. A. Serag El-Din, Cairo University, EGYPT

Numerical Solution of the Incompressible Navier-Stokes Equations for Unsteady Three-Dimensional Flow
D. Hänel, and M. Breuer
UAerodynamisches Institut, Aachen, FRG

Finite-Element Analysis of Flows of Non-Newtonian Fluids in Three-Dimensional Enclosures
J. N. Reddy, and M. P. Reddy
Virginia Polytechnic Institute and State University, VA, USA

Finite Elements for the Calculation of Turbulent Flows in Three-Dimensional Complex Geometries
A. Ruprecht
Stuttgart University, FRG

The Discrete Continuity in Primitive Variable Solutions of Incompressible Flow
F. Sotiropoulos, and S. Abdallah
University of Cincinnati, OH, USA

Computation of Complex Flows in Gas Turbine Combustors with Multi-Level Additive Correction Technique
O. M. F. Elbahar
Cairo University, EGYPT

Session 23: Special Topics I (MHD)

Chairpersons:
J. P. Renaudeaux, Paris VI University, FRANCE
A. Gad Elmawla, Ain Shams University, EGYPT

Flow Fields inside MHD Generators and Seawater Thrusters
E. D. Doss, and G. D. Roy
Argonne National Laboratory, IL - Office of Naval Research, Virginia, USA

A Mathematical Model for Predicting the Magneto Hydro Dynamics of Aluminum Reduction Cells
A. Kandil, A. H. A. Baghdadi, and S. Khader
Cairo University, EGYPT

The Rotating Disk Flow in the Presence of Strong Magnetic Field
T. M. El-Mistakawy, and A. H. Attia
Cairo University, EGYPT

Hydromagnetic Free Convective Flow through Porous Media past an Impulsively Started Heated Permeable Plate
A. A. Megahed, and M. M. Abollazm
Cairo University, EGYPT

Session 24: Thermofluids III

Chairpersons:
A. Zebib, Rutgers University, NJ, USA
M. S. Abd El-Salam, Cairo University, EGYPT

Numerical Studies of Thermally Induced Flow Circulation inside Rectangular Enclosures
A. El-Zawahry, and H. E. S. Fath
Cairo University - Alexandria University, EGYPT

Entrance Flow in a Channel with Temperature Dependent Viscosity Including Viscous Dissipation Effects
K. Klemp, H. Herwig, and M. Seltmann
Ruhr Universität Bochum, FRG

A Boundary Integral Method Applied to Viscous Flow with or without Heat Transfer
M. N. Sabry
Mansoura University, EGYPT

A Novel Multi-Stage Inertia Air Filter for Automotive Engines
A. Torky, A. H. A. Baghdadi, and A. Mobarak
Cairo University, EGYPT

Session 25: Mixing Layers and Turbulent Flows

Chairpersons:
C. M. Ho, University of Southern California, USA
E. A. Salem, Alexandria University, EGYPT

Polyspectral Measurements and Analysis of the Subharmonic Emergence in a Plane Mixing Layer
M. R. Hajj, R. W. Miksad, E. J. Powers, and C. P. Ritz
University of Texas at Austin, TX, USA

The Growth and Development of a Turbulent Junction Vortex
F. J. Pierce, and J. Shin
Virginia Polytechnic Institute and State University, VA, USA

Turbulent Diffusion from Point Source in a Uniform Flow of Viscoelastic Fluids
L. H. Rabie, M. S. El Kady, and M. Abd Elaall
Mansoura University, EGYPT

The Laterally Confined Mixing Layer - An Effective Flow Resonator
H. E. Fiedler, and D. Hilberg
Berlin Technische Universität, FRG

Session 26: CFD: Compressible Flows

Chairpersons:
K. Kuwahara, Institute of Space and Astronautical Science, JAPAN
A. El-Ahwany, Ain Shams University, EGYPT

Computations and Recent Navier-Stokes Code Developments in Taiwan
S.-M. Liang
National Cheng Kung University, TAIWAN

A Block-Based Algorithm for the Solution of Compressible Flows in Rotor-Stator Combinations
H. U. Akay, A. Ecer, and A. Beskok
Purdue University, IN, USA

Hypersonic Flow: Physical Issues and Computational Simulation
H. A. Hassan
North Carolina State University, NC, USA

Study of the Expansion of Hydrocarbon-Oxygen Products through Supersonic Nozzle
M. A. El-Kady, M. M. Kemry, and M. Abdel Aal
Al-Azhar University, EGYPT

Session 27: Special Topics II

Chairpersons:
D. T. Mook, Virginia Polytechnic Institute and State University, USA
M. F. Khalil, Alexandria University, EGYPT

A Nonlinear Analytical Solution for Aerofoils in Irrotational Flow
D. Mateescu, and Y. Nadeau
McGill University, CANADA

An Experimenter's Viewpoint about the Friction Velocity in Thick Boundary Layer
S. Z. Kassab
Alexandria University, EGYPT

Heat Transfer from a Slender Body of Revolution at Incidence
F. A. Youssef
Helwan University, EGYPT

The Aerodynamic Characteristics of a Commercial Truck with Different Loading Configurations
A. Y. Abdalla, A. F. Abdel-Azim, and A. M. AlyH. A. Hassan
Helwan University - Zagazig University - Suez Canal University, EGYPT

A Modified Technique for Interpreting X-wire Signals in Flow Domains of Complex Geometry
A. M. Y. Ahmed, and A. D. Gosman
Helwan University, EGYPT - Imperial College of Science and Technology, University of London, UK

Session 28: Fluid Machinery and Two-Phase Flows

Chairpersons:
M. Rautenberg, University of Hannover, FRG
A. M. El-Sebaie, Ain Shams University, EGYPT

Numerical Investigation of Multiple Disk Pump Handling Non-Newtonian Fluids
H. Mansour
Mansoura University, EGYPT

Vibration in High-Speed Centrifugal Fans Using Anti-Friction Bearings
G. Krey
Schiele GMBH, Eschbom, FRG

Transient Phenomenon in Slurries
A. H. A. Baghdadi
Cairo University, EGYPT

Modeling Adiabatic, Two-Dimensional, Two-Phase Annular Flow: A Correlation Predicting the Equilibrium Void Fraction
F. A. Rashwan, and O. M. Abdel-Hafez
Assiut University, EGYPT

The Behaviour of the Reverse Flow on the Verge of Rotating Stall in Turbocompressors
U. Haupt, Y. N. Chen, and M. Rautenberg
Institute for Turbomachinery, Hannover, FRG - Sulzer Brothers Ltd., Winterthur, Switzerland

Reverse Flow, Tip Leakage Jet and Secondary Recirculations of Rotating Stall in Compressor Rotors and Impellers
U. Haupt, Y. N. Chen, and M. Rautenberg
Institute for Turbomachinery, Hannover, FRG - Sulzer Brothers Ltd., Winterthur, Switzerland

Session 29: Turbulent Flows

Chairpersons:
H. E. Fiedler, Berlin Technische Universität, FRG
G. Janson, University of Keiserlautern, FRG

Physical and Computational Issues for Turbulent Flow Modeling
D. B. Taulbee
University of Buffalo, NY, USA

Numerical Evaluation of k-e Model-Modifications for the Prediction of Turbulent Round Jets
M. A. Rizk, M. A. Khalifa, and M. M. Enayet
Cairo University, EGYPT

Turbulent Couette Flow: Asymptotics vs. Experimental Data
W. Schneider, R. Eder, and J. Schmidt
Technische University Wien, Austria

Development of Lateral Turbulent Jets in Confined Tubes - Application to Assisted Breathing
D. Isabey
Institut National de la Santé et de La Recherche Médicale, FRANCE

A Skin Friction Correlation for Rough Turbulent Boundary Layers with Pressure Gradients
M. F. Abd Rabbo, M. S. Zahran, and M. K. Mawlood
Zagazig University, EGYPT - Mosul University, IRAQ

On the Forced Two-Dimensional Wall-Jet
Y. Katz, and I. Wygnanski
University of Arizona, AZ, USA

Session 29: Turbulent Flows

Chairpersons:
H. E. Fiedler, Berlin Technische Universität, FRG
G. Janson, University of Keiserlautern, FRG

Physical and Computational Issues for Turbulent Flow Modeling
D. B. Taulbee
University of Buffalo, NY, USA

Numerical Evaluation of k-e Model-Modifications for the Prediction of Turbulent Round Jets
M. A. Rizk, M. A. Khalifa, and M. M. Enayet
Cairo University, EGYPT

Turbulent Couette Flow: Asymptotics vs. Experimental Data
W. Schneider, R. Eder, and J. Schmidt
Technische University Wien, Austria

Development of Lateral Turbulent Jets in Confined Tubes - Application to Assisted Breathing
D. Isabey
Institut National de la Santé et de La Recherche Médicale, FRANCE

A Skin Friction Correlation for Rough Turbulent Boundary Layers with Pressure Gradients
M. F. Abd Rabbo, M. S. Zahran, and M. K. Mawlood
Zagazig University, EGYPT - Mosul University, IRAQ

On the Forced Two-Dimensional Wall-Jet
Y. Katz, and I. Wygnanski
University of Arizona, AZ, USA

Session 30: Supersonic and Reacting Flows

Chairpersons:
E. von Lavante, University of Essen, FRG
M. T. Sabry, Menoufia University, EGYPT

Interaction of Rotationally and Vibrationally Excited Molecules
J. A. Kunc
University of Southern California, Los Angeles, CA, USA

Consideration of Geometrical Aspects in Modeling the Flow of Reactive Gas Mixture through Nozzles
M. A. El-Kady
Al-Azhar University, EGYPT

Geometrical Factors Influencing the Flow Field in a Propulsive Nozzle
M. M. Kemry
Al-Azhar University, EGYPT

Heat and Momentum Transfer along a Non-Isothermal Flat Surface Moving Continuously in a Parallel Free Stream
A. M. Abdallah, and E. M. Elsherbiny
Reactor Department, Nuclear Research Center, EGYPT

A Study of Non-Equilibrium Wet Steam Flows in Supersonic Nozzlest
N. H. Mahmoud
Menoufia University, EGYPT

Session 31: Special Topics III

Chairpersons:
A. Seif, King Saud University, SAUDI ARABIA
B. Khalifa, Menoufia University, EGYPT

Significance of Wind Loading on Air-Inflated Dams
A. M. Al-Brahim
King Saud University, SAUDI ARABIA

Flow Characteristics of an Oval Tube Bank in Crossflow
A. M. Ibrahim, and M. M. Mahgoub
Mansoura University, EGYPT

Techno-Economical Optimization Model for the Design of an Autonomous Wind/Diesel Energy System
M. G. Osman, F. M. Youssef, and S. M. Abdelkader
Mansoura University, EGYPT

Investigation to Arrangement of a Two Nozzles Multi-Color Air Jet Insertion System
M. Salama, and S. Ibrahim
Mansoura University, EGYPT

Flow Transient after Pump Coastdown in a Single-Loop Reactor System
A. M. Abdallah, E. M. Elsherbiny, and S. Abou El-Seoud
Nuclear Research Center, EGYPT

Session 32: Two-Phase Flows

Chairpersons:
H. C. Boisson, Institute of Fluid Mechanics, Toulouse, FRANCE
M. A. Rayan, Mansoura University, EGYPT

Investigation of Pressure Drop on Upward Two-Phase Flow in a Vertical Rod-Bundle
S. F. Hanna, M. M. Mahgoub, and H. M. Mostafa
Mansoura University, EGYPT

Steady Isothermal Bubble Collapse and Growth in Water Cooled Reactors
M. M. Mahgoub
Mansoura University, EGYPT

Entrainment of Liquids from Porous Media by an Air Stream
M. N. Sabry, H. Mansour, and A. A. El-Naquib
Mansoura University, EGYPT

A Study on the Flow-Field of Gas Fluidized Bed Systems
S. H. El-Emam
Mansoura University, EGYPT

Optimum Thermal Performance and Design of a Nuclear Pressurizer during Normal Operation
A. M. Abdallah
Nuclear Research Center, EGYPT

Performance Characteristics of Externally Pressurized Bearings under Turbulent Flow Conditions
M. F. Khalil, and A. S. Ismail
Alexandria University, EGYPT