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1

PROCEEDINGS OF

THE FIFTH INTERNATIONAL CONFERENCEOF FLUID MECHANICS

ICFM5

January 2 - 5, 1995

CAIRO - EGYPT

<VOLUME

UNIVERSITATSB'SLIOTHEKHANNOVER

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TABLE OF CONTENTSVOLUME I

S-1 UNSTEADY FLOW I :

CONTROL OF TRANSIENTS BY USING CHECK VALVESTHROUGH PRESSURIZED PIPING SYSTEM. 1S M. ABDEL-GAWAD, A S. EL ANSARY & A. A. KASSEMCAIRO UNIVERSITY

NUMERICAL SOLUTIONS OF UNSTEADY TURBULENT FLOW AROUND A TWO DIMENSIONAL HYDROFOIL INTRUNCATED DOMAINS 15K. K. HASSAN & S. ABDALLAHUNIV. OF CINCINNATI, U.S.A.

A DYNAMIC MODEL FOR PREDICTING THE TRANSIENTRESPONSE OF LIQUID ROCKET ENGINES. 27

F. M. 0W1S, A. A HASHEM & M. 8. ARGOUNCAIRO UNIV., EGYPT.

FLOW OSCILLATION IN A DUCT WITH ABRUPTENLARGEMENT. 41

M. YOSHINAKA & J. IWAMOTOTOKYO DANKI UNIV., JAPAN

SELF-EXCITED IMPINGING JET FLOW. 51A HAGA & Y. HOSOIRAILWAY TECHNICAL RES. INST., JAPAN

S-2 FLUID MACHINERY APPLICATIONS I :

EFFECT OF PITCH RATIO ON THE SECONDARYFLOW GENERATED IN A VERY LOW ASPECT

RATIO RECTILINEAR TURBINE CASCADE 58M. B. HANNA K. WESKAMPINSTITUTE OF JET PROP & TURBO , WRTH A ACHEN ,GERMANY

AN EXPERIMENTAL INVESTIGATION ANDNUMERICAL COMPUTATIONS OF A WEDGEBLADE RADIAL DIFFUSER. 81A. MOBARAK, M. KHALAFALLAH.A MOSTAFA & R ESMAEILCAIRO UNIV EGYPT

THE DEVELOPMENT OF A LOW LOSSVANED FLOW CONDITIONER. 103E M. LAWS& A K. OUAZZANEUNIV. OF SALFORD , UK

NUMERICAL SIMULATION OF 3D SEPARATEDFLOW THROUGH MULTISTAGE TURBOMACHINE. 109S V YERSHOVUKRAINIAN NATIONAL ACADEMY OF SCIENCES , UKRAINE

S-3 STABILITY AND TRANSITION :

SIMILAR EFFECTS OF TEMPERATURE ANDVISCOSITY ON THE STABILITY OFSUPERSONIC BOUNDARY LAYER. 119M. A ELSHARNOBY, M. H. METWALLYBANHA HIGHER INST OF TECH. EGYPT

TRANSITION CONTROL IN FLOW OVER A ROUGHNESSELEMENT BY A HEATING STRIP 133J. AMASADHIGH TECHNOLOGY CORP. , U.S.A.

EFFECT OF CROSSFLOW ON GORTLER INSTABILITY ININCOMPRESSIBLE BOUNDARY LAYERS. 141Y. H. ZURIGAT & M R. MALIKHIGH TECHNOLOGY CORP., USA

TRANSITION FLOW REGIMES IN A SERIES OF ADJACENTRECTANGULAR JETS. 151A CAVALIERE, M. EL-NAGGAR, R. RAGUCCI, G VANCORE &C. VENITOZZIUNIV. OF FEDERICO I I , ITALY

INVESTIGATION OF LAMINAR BOUNDARY LAYER STABILITYAT COMBINED ACTION OF DIFFERENT FACTORS. 163A F.SLITENKOTURBOMACHINERY RESEARCH INSTITUTE , UKRAINE

S-4 AERO & HYDRO-ACOUSTICS :

NUMERICAL AND EXPERIMENTAL INVESTIGATION OFTHE EFFECT OF SAMPUNG, NOISE AND RESONANCEON MEASURING HIGHER MOMENTS OF SINGLE ANDMULTIPLE FREQUENCY SIGNALS. 171M S MOHAMEDCAIRO UNIV EGYPT

ANALYSIS OF SOUND PROPAGATION IN A CIRCULARDUCT TO IMPROVE THE ACCURACY OF IN-DUCT NOISEMEASUREMENT. 187E. A YASEENZAGAZIG UNIV., EGYPT

ACOUSTIC WAVE ANALYSIS IN A STANDING WAVETUBE USING THE TRANSFER FUNCTION METHOD. 201E A. YASEENZAGAZIG UNIV., EGYPT

A PASSIVE NOISE REDUCTION METHOD FOR INTERNALFLOWS GENERATING SELF-SUSTAINED TONES. 215C.FAVE, R.HENRY, S.SOREEFAN & O.BOISSEAUUNIVERSITY DE POITIERS , FRANCE

DISCRETE FREQUENCY NOISE GENERATED BYAN AIR JET FROM A RECTANGULAR SLIT. 223I.KOUNO&T.FUKANOFUKUOKA INSTITUTE OF TECHNOLOGY , JAPAN

S-5 UNSTEADY FLOW H :

PRESSURE SIMULATION OF PULSATING FLOW INDUCT WITH NOZZLE. 233M. ENDO & J. IWAMOTOTOKYO METROPOLITAN COLLEGE OF TECHNOLOGY,

JAPAN

EARLY STAGE OF AN IMPULSIVELY STARTEDFLOW AROUND A SQUARE CYLINDER. 243Y.P XU.T.S.LEE & S.H.WJNOTONATIONAL UNIVERSITY OF SINGAPORE

NUMERICAL STUDY OF LAMINAR AND TURBULENTPULSATILE FLOWS IN PIPE. 251Z. D SHI, T. S. LEE & S. H. WINOTONATIONAL UNIVERSITY OF SINGAPORE

NUMERICAL STUDY OF LOW-FREQUENCY FLOWINSTABILITY IN AN AXIAL TRANSONICCOMPRESSOR STAGE. 2 »V. I. GNESINUKRAINIAN NATIONAL ACADEMY OF SCIENCES . UKRAINE

EFFECT OF GUST ON WIND FLOW AROUND A LOWRISE BUILDING 269S.S AYAD ,ZAGAZIG UNIVERSITY, EGYPT.

S-6 COMPUTATIONAL FLUID DYNAMICS I :

A CFD TEACHING PROGRAM FOR THE MECHANICALENGINEERING UNDERGRADUATES YEARS. 283SB CHIN.G.CARDEW.D SAVAS & W.A.BULLOUGHUNIV OF SHEFFIELD, UK.

NUMERICAL SIMULATIONS OF INCOMPRESSIBLELAMINAR FLOW IN A T-JUNCTION OF CIRCULAR PIPES. 293P A. RUSSELL & S ABDALLAHUNIV. OF CINCINNATI , USA.

A COMPUTATIONAL STUDY OF TRANSONICTHREE-DIMENSIONAL STEADY FLOW. 303E. TURKBEYLER & W M. PUNIMPERIAL COLLEGE OF SCIENCE, TECHNOLOGY &MEDICINE, UK

NUMERICAL STUDY OF VISCOUS EFFECT ONSEPARATION BUBBLE IN UNDEREXPANDEDIMPINGING JET. 313Y. SAKAKIBARA & J IWAMOTOTOKYO DENKI UNIV., JAPAN

ACCURACY OF APPROXIMATE SOLUTIONS INFLUID MECHANICS. 329A.SAKURAITOKYO DENKI UNIV. , JAPAN

TABLE OF CONTENTSVOLUME II

S-9 CFD H :

NUMERICAL MODELING OF THE HYDRODYNAMICSOF FLOWS IN THE CASE OF THE REGULATION OFTHE RUN OFF IN RIVER BEDS. 339N N.BELAYEV & V.K.KHRUTSCHDNIEPROPETROVSK UNIV , UKRAINE

DEVELOPMENT OF A HYBRID SHOCK-CAPTURINGSCHEME AND ITS APPLICATION. 347Y ZHAONONYONG TECHNOLOGICAL UNIV.. SINGAPORE

NUMERICAL SIMULATION OF NATURAL CONVECTIONBY A GLOBAL METHOD OF GENERALIZEDDIFFERENTIAL QUADRATE. 359C. SHU, Y.T. CHEW, B.C KHOO & K.S. YEONATIONAL UNIV OF SINGAPORE, SINGAPORE

IMPLICIT MONOTOMIC DIFFERENCE SCHEMES OFSPLITTING OF THE SECOND ORDER OF ACCURACY FORSOLVING THE EULER AND NAVIER-STOKES EQUATION. 369N N.BELAYEV & V.K.KHRUTSCHDNIEPROPETROVSK UNIV. , UKRAINE.

CONTROL VOLUME ACCURATE SOLUTION OF2D COMPRESSIBLE NAVIER-STOKES EQUATIONSON UNSTRUCTURED GRID. 379G.DE FELICE, F.M.DENARO, C.MEOLA & F.SARGHINIUNIV OF NAPLES , ITALY

S-10 FLUID MACHINERY APPLICATIONS I I :

A THEORETICAL AND EXPERIMENTAL INVESTIGATIONON THE INFLUENCE OF INLET IMPELLER GEOMETRYON EROSION OF DREDGE PUMPS. 389M. A. RAYAN. N GADEL-HAK & S A ASKRMANSOURA UNIV, EGYPT

AN EXPERIMENTAL INVESTIGATION FOR THE EFFECT OFROTOR WAKE ON THE FLOW WITHIN STATOR PASSAGE 405A M. MOBARAK. M G KHALFALLAH. S S AYAD &A. S ZEDANCAIRO UNIV EGYPT

NFLUENCE OF LONGITUDINAL PRESSURE GRADIENTAND STREAMUNED SURFACE CURVATURE ONTHE TURBULENT FLOW CHARACTERISTICS INTURBINE CASCADES. 426A. F SLITENKO, V. M. KAPINOS & V B TITOVTURBOMACHINERY RESEARCH INSTITUTE , UKRAINE

CALCULATION AND MEASUREMENT OF THE 3D FLOWIN AXIAL COMPRESSOR CASCADES, WITH ANDWITHOUT END-BENDS. 433M. L UGRYUMOV, Y A. SKOB . V. A. MENSHIKOV &V I PISMENNIYKHARKOV AVIATION INSTITUTE , UKRAINE

NUMERICAL INVESTIGATION OF THE 3D EFFECTS FORSPACE FLOW THROUGH A TURBOMACHINE STAGE. 443V. I GNESIN, S. V. YERSHOV & A. V. RUSANOVUKRAINIAN NATIONAL ACADEMY OF SCIENCES , UKRAINE

S-11 TURBULENCE :

ASSESSMENT OF TURBULENCE MODELS VERSUSCONFINED SWIRLING FLOWS. 453M.S. ABDEL-SALAM, E.E. KHALIL, A A. MOSTAFA &G.M. MOSTAFACAIRO UNIV, EGYPT

PREDICTION OF STRONG AND WEAK SHEAR FLOWSUSING SECOND-MOMENT CLOSURE MODELS. 471AM. EL-BAZ & BE LAUNDERUNIVERSITY OF MANCHESTER, U.K.

PREDICTION OF ROUGH SURFACE THERMALTURBULENT BOUNDARY LAYER. 487G. H ABD-ALLA, K. M. EL-SHAZLY. 0 E ABD - ELLATIF &M. F ABD-RABBOZAGAZIG UNIV, EGYPT

ANALYSIS OF MATERIAL LINE ELEMENT PARAMETERSTIME HISTORY DURING DECAY OF ISOTROPICTURBULENCE. 505B A. KOLOVANDININSTITUTE OF THE ACADEMY OF SCIENCES . BELARUS

S-12 INTERNAL FLOW I :

STUDY OF BOUNDARY-LAYER FLOWS WITHPRESSURE GRADIENT AND MASS TRANSFERBY A SIMPLE INTEGRAL METHOD. 515G M. ABDEL - MOTYCAIRO UNIV, EGYPT

EXPERIMENTAL INVESTIGATION OF EXTERNALLYPRESSURIZED CONICAL THRUST BEARING

UNDER TURBULENT LUBRICATION CONDITION. 527M.F. KHALIL. S Z. KASSAB & A S ISMAILALEXANDRIA UNIV. EGYPT

LAMINAR CHANNEL FLOW WITH FLUID INJECTIONACCOUNTING FOR THE FLOW IN THE POROUS WALL. 541A.K. ABDEL-RAHMAN & K. SUZUKIKYOTO UNIV . JAPAN

LUBRICATION ANALYSIS OF EXTERNALLYPRESSURIZED CIRCULAR POROUS BEARINGS. 551A.A. ELSHARKAWY, S.Z. KASSAB & MM. NASSARKUWAIT UNIV., KUWAIT

FLOW AND FRICTION LOSS IN A SQUARE DUCTWITH ROUGH WALL. 565S. AKAIKE. N. OHTSUKA M. NEMOTO & I. NAKANEKANADGAWA INSTITUTE OF TECHNOLOGY . JAPAN

S-13CFDIII :

THREE-DIMENSIONAL EULER COMPUTATION OFTHE FLOW INSIDE AN INDUCER STAGE OFA SPATIAL TURBOPUMP. 575E M EL GHAZZANI & A.R.RIDWANECOLE CENTRALE DE LYON, FRANCE .

FLOW COEFFICIENT ANALYSIS OF CENTRIFUGALCOMPRESSORS 589A ENGEDAMICHIGAN STATE UNIV , U S A

SURFACE INTERACTION MODELS FOR PARTICLETRAJECTORIES IN ENGINE COMPONENTS 601A. HAMED , Y D. JUN & W TABAKOFFUNIV. OF CINCINNATI, U S A

NAVIER-STOKES SOLUTIONS FOR THREE-DIMENSIONALFLOW FIELDS IN HYDRAULIC TURBOMACHINES. 611I TEIPEL& P HOLBEINUNIV. OF HANNOVER GERMANY

A 2-D FLUX VECTOR SPLITTING EULER SOLVER. 621M KHALIL, A. O SHERIFCAIRO UNIV , EGYPT

S-14 FLUID MACHINERY APPLICATIONS I I I :

A COMPARATIVE STUDY OF THE COMPUTED EFFECTSOF GLAZE AND RIME ICE ACCRETIONS ON AIRCRAFTPROPELLER PERFORMANC 637E.M A. SALEH, M. R. SHAALAN, I. M. SHABAKA &A. A SALMANCAIRO UNIV., EGYPT

PRESSURE DISTRIBUTION FOR RADIALLY OUTWARDTURBULENT FLOW BETWEEN STATIONARY ANDROTATING DISK. 651AM. TOLBAMANSOURA UNIV. EGYPT

EFFECT OF SPATIAL NON STATIONARY FLOWSTRUCTURE IN SUPPLYING AND REJECTINGDEVICES OF FLOW PATH ON A TURBINE STAGE. 661V.GNESIN & V. SOLODOVINSTITUTE FOR PROBLEMS IN MACHINERY . UKRAINE

MODELING OF THE STEAM FLOW WITH SPONTANEOUSCONDENSATION IN A TURBINE STAGE. 671A. L SHUBENKOINSTITUTE FOR PROBLEMS IN MACHINERY UKRAINE

A NUMERICAL APPROACH TO BLADE -VORTEXINTERACTION IN TWO DIMENSION VISCOUS FLOW. 681B DONG, Y. T. CHEW& B C. KHOVNATIONAL UNIV OF SINGAPORE, SINGAPORE

S-15 TURBULENCE :

INVESTIGATION OF TURBULENCE MODEL ANDNUMERICAL SOLUTION IN ROTATINGCOORDINATE SYSTEM. 691W QINGHUANCHINESE ACADEMY OF SCIENCES CHINA

AN EXPERIMENTAL OPTIMIZATION OF USING VANESWIRLERS TO AUGMENT HEAT TRANSFERPERFORMANCE IN TURBULENT SWIRLING TUBE FLOW. 699MS. ABDEL-SALAM, E.E KHALIL, A. A. MOSTAFA &G M. MOSTAFACAIRO UNIV, EGYPT

THE TURBULENT STRUCTURE OF THE CONVECTIONCAUSED BY INSTABILITY OF HORIZONTAL INTERFACE. 711Q-D WEI , J. CHEN & X DUPEKING UNIV., CHINA

NUMERICAL STUDY OF TURBULENT FLOW THROUGHEQUIANGULAR ANNULAR DIFFUSERS. 719B. DJEBEDJIAN, M.GIAT, J. P RENAUDEAUX &M A. RAYANCONSERVATOIRE NATIONAL DES ARTS ET METIERS ,FRANCE

A STUDY OF THE BOUNDARY-LAYER DEVELOPMENT ONA FLAT PLATE WITH NATURAL & ARTIFICIAL TRANSITION. 730A F ABDEL-GAWAAD, A. A. SALMAN, M.R. SHAALAN, &J M SHABAKAZAGAZIG UNIVERSITY

S-16 INTERNAL FLOW I I :

AN EXPERIMENT STUDY OF THE PRESSURE RECOVERYCOEFFICIENT IN SUDDEN ENLARGEMENT SQUAREDUCT AFFECTED WITH TWO NORMAL JETS. 749M. M. EL-MAYIT, A R DYAB & A ABDEL-FATTAHMENOUFIA UNIVERSITY, EGYPT

COMPUTATIONAL & EXPERIMENTAL INVESTIGATIONOF LAMINAR FINITE FLAT PLATE FLOW. 762A 0 SHERIF, M I RASHED, A S. HUSSIEN,CAIRO UNIV, EGYPT

SYNTHETIC STUDY ON FLOW FRICTION IN PIPES. 777T YASUDANIHON UNIV JAPAN

VERSATILE PROGRAMMING FOR LATTICETYPE IRREGULAR PIPE NETWORKS. 787T YASUDA &Y FUJITANIHON UNIV JAPAN

COMPUTATIONAL AND EXPERIMENTAL VISUALIZATIONOF VISCOUS FLOW THROUGH UNDULATIONS IN TUBE. 796T. S. LEE & H. T LOWNATIONAL UNIVERSITY OF SINGAPORE, SINGAPORE

TABLE OF CONTENTSVOLUME III

S-21 THERMOFLUIDS :

MOMENTUM AND HEAT TRANSPORT IN CONFINEDCOAXIAL JETS UNDER AXIAL PRESSURE GRADIENTAND AT VARIABLE MOMENTUM RATIOS. 803M. S. MOHAMED, A. A. MOSTAFA & M. EL-SALLAKCAIRO UNIV , EGYPT

THERMODYNAMIC STUDY ON REDUCING THEPOWER REQUIREMENT OF MECHANICALVAPOR DECOMPRESSION. 817M RAUTENBERG & D BURHORNHANNOVER UNIVERSITY, GERMANY

SIMULATION OF PULVERIZED COAL COMBUSTIONIN A BLAST FURNACE. 825F C LOCKWOOD. K. TAKEDA& M. YEHIAIMPERIAL COLLEGE OF SCIENCE, TECHNOLOGY &MEDICINE, UK.

FLAMELET MODELING AND RAMAN /RAYLEIGH/ LIPFMEASUREMENTS OF THE STRUCTURE OF PREMIXEDMETHANE-AIR FLAMES. 841M M M ABOU-ELLAIL. K. R. BESHAY & M. S. MANSOURCAIRO UNIV, EGYPT

ELECTROCONVECTION AND HEAT TRANSFER INLIQUID DIELECTRICS. 857A I. ZHAKIN & A A TROPINAKHARKIV STATE UNIV . UKRAINE .

S-22 AERODYNAMICS :

LEADING-EDGE VORTICES ON A PITCHING DELTA WING. 863R ATTA & D ROCKWELLMINIAUNIV, EGYPT

COLD FLOW STUDY OF FLAME STABILIZINGPARAMETERS OF BLUFF BODIES. 879M A. NOUSEIR. A M EL BAZ. K. S. KADDAH &M A SELIMAIN SHAMS UNIV EGYPT

AERODYNAMICS RESEARCH ON TRANSONICAND SMALL ASPECT RATIO TURBINES 893S H. MOUSTAPHAPRATT & WHITNEY. CANADA.

EFFECT OF BLEED SLOT LOCATION AND ANGLEON SHOCK WAVE TURBULENT BOUNDARYLAYER INTERACTIONS 907A. HAMED , J. J YEUAN & S. H SHIHUNIV OF CINCINNATI USA

ESTIMATION OF THE MAXIMUM TANGENTIALVELOCITY AND FLOW PATTERN OF GAS FLOWIN THE GEOMETRICALLY SIMILARITY TYPES OFTHE AXIAL FLOW VORTEX CHAMBERS. 915A. OGAWA, K NAGASAKI & K. SUGIYAMANIHON UNIV. . JAPAN

S-23 CONVECTION:

EXPERIMENTAL STUDIES OF FREE CONVECTIVEHEAT TRANSFER FROM FIN ARRAYS USINGDIFFERENTIAL INTERFEROMETRY. 925M. A. ABOLFADLCAIRO UNIV., EGYPT.

HEAT TRANSFER TO A HORIZONTAL TUBEBUNDLE LOCATED IN THE FREEBOARD OFA BUBBLING FLUIDIZED BED COMBUSTOR. 945A. H ABDEL-HAFEZ, F M. EL-MAHALLAWY,S. G SHAROBEEM & Z. S. SAFAR.CAIRO UNIV , EGYPT

HEAT TRANSFER CHARACTERISTICS OF A STRETCHEDSURFACE WITH SUCTION OR INJECTION. 959M E ALIKING SAUD UNIV SAUDI ARABIA

NUMERICAL ANALYSIS OF VERTICAL FINITECHANNEL CONJUGATE NATURAL CONVECTIONWITH A POWER LAW FLUID. 973V D QUANG & D H CHUNGHANUI TECHNICAL UNIVERSITY VIETNAM

S-24 TWO PHASE FLOWS :

HEAT TRANSFER AND PRESSURE DROP FOR AIR-WATER MIXTURES IN AN ISO FLUX VERTICAL ANNULUS . 981M. KHATAB , M EL-SALLAK, S M. MORCOS & A. SALAMACAIRO UNIV., EGYPT

FLOW AND HEAT EXCHANGE NUMERICAL MODELINGFOR "GAS-SOLID PARTICLES " TWO-PHASE MEDIAUNDER COUNTER FLOW CONDITIONS". 995A V BORODULIN, V. K. KHRUTSCH & A. G SHEVELEVDNIEPROPETROVSK UNIV , UKRAINE.

CALCULATION OF TURBULENT TWO PHASEPARABOUC FLOWS: LAGRANGIAN APPROACHVERSUS EULERIAN APPROACH . 1005M. KHALAFAILAH , A. MOSTAFA , M. RIZK &S EL-SHEREFECAIRO UNIV., EGYPT

S-25 MEASUREMENTS TECHNIQUES:

A FLOW VISUALIZATION TECHNIQUE USINGDIGITAL IMAGE PROCESSING. 1019S M. EL-HAGGAR & K. M. ELSHERBINI.THE AMERICAN UNIV. CAIRO., EGYPT.

EXPERIMENTAL IDENTIFICATION OF THE DYNAMICCHARACTERISTICS OF EXTERNALLYPRESSURIZED CONICAL BEARING 1031M F KHALIL. K. A. EL-SHORBAGY, S Z KASSAB &A. A ABDEL NABYALEXANDRIA UNIV, EGYPT

THE MEASUREMENT OF MASS FLOW RATE USINGORIFICE PLATE METERS UNDER PULSATING CONDITIONS . 1053E TAMURA & J. IWAMOTOTOKYO DENKI UNIV , JAPAN

CONCENTRATION AND VELOCITY MEASUREMENTS BYAPPLYING HOT-WIRE AND PIEZORESISTIVE TECHNIQUES. 1063Y. ERA & A MURAMATSUNIHON UNIV. , JAPAN

EXPERIMENTAL STUDIES ON SPECTROSCOPIC DIAGNOSISMETHOD FOR ARC PLASMA JET - PART 1 : ARGON JET 1073L H. HAN, B YUE & F. R YANGCHINA AERODYNAMICS RESEARCH &DEVELOPMENT CENTER, CHINA.

S-26 INDUSTRIAL APPLICATIONS :

DYNAMIC PERFORMANCE OF HYDROSTATICCONICAL BEARINGS WITH ROTATION 1081M. F KHALIL, K. A. EL-SHORBAGY, S. Z KASSAB &A. A. ABDEL NABYALEXANDRIA UNIV., EGYPT

CHARACTERISTICS OF A CONTROLLED FLOW FIELDBY LEADING EDGE SUCTION. 1107M H. METWALLY, M. A. ELSHARNOBYMILITARY TECHNICAL COLLEGE, EGYPT.

ON THE MODELING OF ABRASIVE WATERJET CUTTING. 1123A. EL-DOMIATY, M. SHABARA, A ABDEL - RAHMAN &A. Al - SABEEHKUWAIT UNIV., KUWAIT.

EXPERIMENTAL INVESTIGATION OF THE VENTILATIONNETWORK FOR A 135 MW AIR-COOLED GENERATOR. 1149T. T. AL-SHEMMERI & N. R. WEAVILLSTAFFORD SHIRE UNIV. , UK .

SIMULATION OF POPPET VALVE FLOW CHARACTERISTICS. 1159S. B. CHIN, D. BROADHURST & W A. BULLOUGHUNIV. OF SHEFFIELD , UK .

FLOW FIELD CHARACTERISTICS OF CIRCULAR SWIRLJET GENERATED BY VORTEX GENERATING JETS. 1169N. H. MOSTAFA, O. K. REDINIOTIS & U. VANDSBURGERVIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITYUSA

S-27 SPECIAL TOPICS I :

MODELING AND SIMULATION OF SOLAR CHIMNEY. 1183A S. SABRYCAIRO UNIVERSITY, EGYPT

DYNAMIC STIFFNESS AND DAMPING CHARACTERISTICSOF COMPENSATED HYDROSTATIC CONICAL BEARINGS. 1197M. F. KHALIL, K. A EL-SHORBAGY, S. Z. KASSAB &A A. ABDEL NABYALEXANDRIA UNIV.. EGYPT.

BLOOD FLOW SIMULATION ACROSS THE RING OFBJORK-SHILEY CARDIAC VALVE. 1231M . BENTERCIA, K ZIDANI, A CHEURFI & K. BELKHIRIUNIV. OF BATNA , ALGERIA .

MASS TRANSFER INTO A LIQUID FILM FLOWINGCONCURRENTLY WITH HIGH SPEED GAS FLOW. U41T FUKANO , Y KINOUE & K. ISHIBASHIKYUSHU UNIV.. JAPAN

SIMULATION STUDY FOR MICROROBOTS IMITATINGFLAGELLAR MOTION OF ORGANISMS IN FLUID. 1251S. KOBAYASHI, MORIKAWA & M. IKEYASHINSHU UNIV., JAPAN .

EXPERIMENTAL INVESTIGATION ON BIFURCATIONPHENOMENA IN LAMINAR FLOW THROUGH

S-28 SPECIAL TOPICS II :

EXPERIMENTAL INVESTIGATION OF THE EFFECTOF POLYMER INJECTION ON DRAG REDUCTION 1261S. ZANOON . M. RIZK E. EL SHERBINY & A. MOBARAK.CAIRO UNIV., EGYPT

WAVE PROCESSES IN MAGNETIC FLUIDS WITHTRANSFORMED MICROSTRUCTURE. 1277N. F. PATSEGONKHARKIV STATE UNIV UKRAINE .

THE MOTION OF A CONTINUUM WITH SOURCESOF MASS IMPULSE AND ENERGY CONTINUOUSLYDISTRIBUTED. 1247I E. TARAPOVKHRKIV STATE UNIV. . UKRAINE

CHARACTERISTICS OF THE NEAR WAKE OFAIRFOIL SECTIONS 1297M. S. MOHAMED . M. A RAYAN & S G EL SARRAFMANSOURA UNIV, EGYPT

MEASUREMENT OF INTERFACIAL AREA CONCENTRATIONIN SUBCOOLED LIQUID-VAPOR FLOW. 1323O. ZEITOUN, M. SHOUKRI & CHATOORGOONMACMASTER UNIV., CANADA.

VARIATION OF THE CORNER RECIRCULATION ZONEIN SUDDEN ENLARGEMENT SQUARE DUCT WITHNORMAL SINGLE JET. 1359A . ABDEL-FATTAH , M M . EL-MAYIT & A . R . DYABMENOUFIAUNIV., EGYPT