PROCEEDINGS1987 International Conference on Noise Control Engineering

Beijing, China

September 15-17, 1987

Noise Control in Industry

inter-noi/e87

UB/TIB Hannover 89102 064 997

RN 2928(16,1)

Volume IPAGES 1-878

TABLE OF CONTENTS

OPENING ADDRESS

Fritz INGERSLEV 1

PLENARY LECTURE SERIES 5

ACTIVE CONTROL OF UNSTEADY FLOW

J. E. FPCWCS WILLIAMS 7

CONFLICT RESOLUTION — NOISE REDUCTION STYLE

Richard H. LYON 13

GENERAL LAWS AND REDUCTION OF AERODYNAMIC NOISE

MAA, D. Y. 21

GENERAL 35

ASSOCIATION BY AN EDUCATIONAL INSTITUTION WITH INDUSTRY

K. R. COOK 37

SOME DIFFICULTIES AND ADVANTAGE OF INTERNATIONAL CO-OPERATION

IN INSTRUMENT DESIGN

S. O'ROURKE A. D. WALLIS 41

ENERGY DESCRIPTOR OR DURATION DESCRIPTOR FOR AIRCRAFT NOISE

EXPOSURE

Robert E. JONCKHEERE 45

INTRUSIVE NOISE DESCRIPTORS A PRACTICAL REALITY

R. THORNE 49

EMISSION: NOISE SOURCES 53

SOURCE CHARACTERIZATION FOR NOISE AND VIBRATION CONTROL SYSTEM

DESIGN

M. G. PRASAD 55

SQUEALING OF CYLINDRICAL ROLLER BEARING

Mikio NAKAI Masayuki YOKOI 59

DYNAMIC DESIGN OF LOW NOISE CAM MECHANISMS

XIE Yong-Xu HUANG Cong YAN Deng-Zhu 63

A STUDY ON RATTLE NOISE OF AUTOMOTIVE GEARBOX AT THE IDLING

FENG Zhen-dong SHI Guangkui YANG Zhengjiang 67

RUBBER INSULATION, AN EFFICIENT SOLUTION FOR SILENT GEAR

TRANSMISSIONS

Mihai GAFITANU Barbu DRAGAN 71

viii

OPTIMIZATION OF GEAR TOOTH PROFILE MODIFICATION ON THE PURPOSE OF

NOISE REDUCTION

HU, Ziqian ZHANG, Hehao YAN, Dinghong YAN, Sijian 75

RESEARCH ON STRUCTURAL PARAMETERS OF THE NOISE-REDUCTION DAMPINGRING FOR GEARS

LI Zhengxiong ZHU Mangzhou ZHANG Ce 79

THE INVESTIGATION ON NOISE AND VIBRATION OF LIGHT TRUCKTRANSMISSION GEAR BOX

LIU Aiqun LI Qi CHENG Mingkun 83

RESEARCH ON THE PARAMETERS FOR EVALUATING NOISE OF INVOLUTECYLINDRICAL GEAR DEVICE

XIAO Qingzhang 87

THE OPTIMUM LOW NOISE FLOW-TYPE AND CASCADE SOLIDITY OF LOWPRESSURE AXIAL FLCW FANS

FENG Hanjie NIE Hengguang 91

THE CONTROL VALVE WITH LOW NOISE IN TRANSONIC AND SUPERSONIC WINDTUNNEL

CHEN Yuching GU Jiajin 95

RESEARCH IN LOW NOISE RELIEF VALVE

GAO Zhi Heng DENG 2heng Duan LI Dai Da GUO Wei 99

VALVE NOISF. AND NOISE REDUCTION BY MICROPORESLI Peizi DAI Genhua 103

THE PIPELINE AS AN INDUSTRIAL NOISE SOURCE AND ITS CONTROL

Tibor VARGA Geza UJSAGHY 107

CONTROL OF LOW FREQUENCY FAN AND AIR FLCW GENERATED NOISE IN AIR

CONDITIONING SYSTEMS

Mahabir S. ATWAL 111

PREDICTION OF SOUND POWER OF NOISE GENERATED FROM LOW PRESSURE

AXIAL AND DIAGONAL FLOW FANS

T. FUKANO Y. KODAMA 115

NOISE SOURCE EVALUATION OF AN ELECTRICAL ALTERNATOR BY ACOUSTIC

INTENSITY METHOD

CHEN, Duan-Shi 119

EXPERIMENTAL INVESTIGATION FOR IDENTIFYING THE DOMINANT FREQUENCYCOMPONENTS OF ELECTRICAL MOTOR NOISE

CHEN Xinzhao LI Dsngxiao CHEN Jian LIU Zhengshi 123

CALCULATION FO MAGNETIC NOISE OF INDUCTION MOTORS

HUANG Guozhi LUO Mai ZENG Zhaoyan 127

NOISE RADIATION ANALYSIS OF ROTARY AIR COMPRESSORS

L. JANSSEN P. FORDEL R. PAUWELS 131

IX

DESIGNING QUIET HYDROSTATIC PUMPS

BOLINGER, J. W.135

MACHINE TOOL HYDRAULIC PUMP NOISE

CAI, W. J. BJORNO, L. LARSEN, P, N. NYBORG, J. 139

NOISE AND VIBRATION OF THE DRY PUMPS AND THEIR ABATEMENTSHIMADA Takahisa KITAZAWA Shunji TERASHIMA TeruoYANAGISAWA Takesaburou

143

STUDY ON CHARACTERISTIC OF EXHAUST NOISE OF SMALL SIZE GASOLINEENGINE AND DESIGN PARAMETERS OF SILENCER

REN Wentang LI Xiaokuan147

EXHAUST NOISE PREDICTION FOR 4 STROKE GASOLINE ENGINEYAO Xiaogang 151

U. S. REQUIREMENTS FOR PUBLIC WARNING SIRENS NEAR NUCLEAR POWERPLANTS

David N. KEAST155

NOISE CONTROL OF AIR TO WATER HEAT PUMP CHILLERTakahiro TAMURA Nobuo SUZUKI Shozo FUJII 159

REDUCTION OF IMPACT NOISE OF AIR COMPRESSOR VALVE BY Fe-Cr-AlSHOCK-ABSORPTION ALLOY

WANG Xiaojing 163

CONTROL OF PILE DRIVING NOISE

K. T. YAP167

VIBRATION ANALYSIS OF THE PIPES CONNECTED WITH COMPRESSOR FORINVERTER-AIDED ROOM AIR CONDITIONER

Masao ISSHIKI Satoshi HIGUCHI Minoru TANAKA 171

USING ACOUSTIC GAS EXPANSION DEVICE FOR IMPROVEMENT REFRIGERATIONAND CRYOGENIC INSTALLATIONS

BONDARENKO V.L. ARKHAROV A.M. KADABA P.V. 175

ASSESSMENT OF NOISE EXPOSURE AND REVIEW OF NOISE EXPOSURE REDUCTIONMETHODS IN THE UNITED KINGDOM SHIPBUILDING INDUSTRY

Frank IRVING 179

A RESEARCH ON REDUCING NOISE PRODUCED BY CRANK AND CONNECTING RODMECHANISM OF PUNCH PRESS

FU Xing Qi HUANG Chong 183

NOISE REDUCTION OF OFFICE-IMPLEMENTSMilovan POPOVIC Vladimir TANDARA 187

EFFECTS OF WEDGE PUNCHING ON THE NOISE ABATEMENT AND THE WORKPIECEWARPAGE

Yingkai LI Jichuan SONG Qingshan GUO Zuowen LI 191

x

EXPERIMENTAL STUDIES ON THE HYDRAULIC VIBRATION-NOISEABATING EQUIPMENT FOR MECHANICAL PRESS

Zuo-Wen LI Ying-Kai LI Qing-Shuan GUO

Ji-Chuan SONG 195

THE RESEARCH ON REDUCING VIBRATION AND NOISE IN PUNCH PRESS

ZHANG Yu Feng CAI Puzhi YU Dingwen 199

A STUDY OF SUPPRESSING THE WHISTLING NOISE GENERATED BY THE

CIRCULAR SAW BLADE ROTATED WITH HIGH SPEEDSHEN Baoluo JIN Xiaoming ZHANG Li 203

SILENCING CIRCULAR SAWS BY REDUCING BLADE VIBRATION

D. C. STEVENSON W. W. GRAY K. C. HOONG M. J. SPELLER 207

THE VIBRATION AND SOUND RESPONSE OF THE METAL CIRCULAR SAW PLATE

WANG Taiyong ZHANG Jisuo ZHANG Ce 211

NOISE MEASUREMENT OF HAND LEVER TYPE ABRASIVE CUTOFF MACHINE

Koichi TAKAHASHI 215

THE STUDY FOR CONTROLLING THE RINGING NOISE OF JOLT-SQUEEZEMECHANISM OF MOULDING MACHINE

GAO Tianzhen 219

A STUDY ON DISCHARGE NOISE CONTROL OF MINI-AIR-COMPRESSOR

ZHU Qifang YUAN Heping 223

NOISE CONTROL FOR ULTRALIGHT AIRCRAFT

W. DOBRZYNSKI H. DAHLEN H. HELLER 227

NOISE OF THE TERRAIN-VEHICLES AND THE INFLUENCE OF THE TRANSMISSIONVladimir TANDARA 231

PREDICTION OF ROLLER COASTER NOISE IN AN AMUSEMENT PARKKazunori KIMURA Mitsuyasu YAMASHITA 235

ACOUSTICAL DESIGN FOR GAS TURBINE LOCOMOTIVE

GONG Nongbin ZHAO Songling 239

NEW CONCEPT FOR A CABIN ON A TRACTOR

Ulrik SUNDBACK Bror TINGVALL 243

A STUDY ON THE NOISE CONTROL FOR WHEEL LOADERS

CAI Shiyan JIAN Cuizhen XIONG Xiaoxue 247

USE OF INTENSITY MEASUREMENTS FOR INDUSTRIAL NOISE EVALUATION

H. BING-JACOBSEN M. J. NEWMAN 0. K. 0. PETTERSEN 251

THE PRINCIPLE AND APPLICATION CONTROLLING SOUND SOURCE OF

SHUTTLE LOOM

ZHUANG Wen Xiong ZHOU Di ZHANG En You JIN Rn Duan 255

THE ANALYSIS OF NOISES IN WOOD INDUSTRY

Haria BITE 259

XL

NOISE CONTROL TECHNOLOGY AND APPLICATION TO WOODWORKING MACHINES

LIU Limin 263

NOISE CONTROL FOR AN OXIDE-ETHYLENE FACILITY

Jose Augusto NEPOMUCENO 267

PROPAGATION OF INFRASOUND BY PETROLEUM CHEMISTRY

KOTLICHA Elzbieta MOTYLEWSKI Jerzy 271

SOUND AND VIBRATION ANALYSIS IN THE STUDY OF MACHINE TOOL NOISE

J. ZHANG Xieru TANG C. H. KU 275

NOISE IN UNDERGROUND MINING ENVIRONMENT: A CASE STUDY IN ITALY

Giulio GECCHELE Giovanni PANTALEONI Mario PATRUCCO 279

A COMPARISON OF FAN NOISE TEST RESULTS AND MACHINERY

NOISE EMISSIONS

Nancy L. DENTON Tobert J. BERNHARD Peter K. BAADE 283

NOISE REDUCTION IN FLAME CUTTING OF CONTINUOUS CASTING SLABS

A. H. FRITZ J. STERNBERG 287

NOISE ABATEMENT ON SHUTTERINGS FOR LARGE PRECAST CONCRETE

COMPONENTS

E.-U. SAEMANN J. LOGEMANN FAN Zong Xi 291

PRACTICAL APPLICATION OF SPACE DEVELOPMENTS FOR RAILWAY

STATISTICAL ENERGY ANALYSIS

Miklos F. RANKY 295

RESEARCH ON MECHANISM OF PICKING MOTION NOISE OF TYPE K252

SILK LOOM

FENG Zhihua HE Jian CAO Renzhong 299

REDUCING THE NOISE IN A WEAVING ROOM OF LOOMS TYPE 1511

-- RESEARCH AND PRACTICE IN THE PILOT TEST

JI Youjia TIAN Yushan SONG Zurong 303

USE OF ACOUSTIC INTENSITY FOR DETECTING THE NOISIEST COMPONENTS

OF A LATHE

GARGANO Enrico BARTOLINI Alessandro 307

PHYSICAL PHENOMENA 311

PULSED JET NOISE AND MICROPORE MUFFLER

YANG Zhansheng DAI Genhua 313

A THEORY OF THE RADIATED NOISE DUE TO TURBULENT BOUNDARY-LAYER

FLOW

ZHU Yuerui 317

EXPERIMENTAL STUDY OF NOISE PROPAGATION IN A HYDRAULIC PIPE

FUMOUX Christine LEDUCQ Daniel MARQUETTE Gabriel 321

FLCW INDUCED NOISE OF EXPANSION CAVITY TYPE MUFFLERS

Naoya KOJIMA Motokazu FUKUDA 325

RAIN INDUCED NOISE

Philip DICKINSON 329

THE INFLUENCE OF EXCITATION ON THE RADIATION LOSS OF PLATES

REIS Frederic 333

EFFECT OF GAS FLCW ON SOUND POWER RADIATED FROM TUBE TERMINATION

SHENG Shengwo ZHAO Songling 337

SOUND RADIATION FROM A SEMI-INFINITE CIRCULAR DUCT WITH

LINING-ABSORBING MATERIALS

Ken-ichi YUNOKI 341

INTRODUCTION OF SOUND SCATTERING INTO THE RAY TRACING METHOD

MECHEL, F.P. STEPHENSON, U. 345

INVERSE SCATTERING PROBLEM FOR ELASTIC PLANE WAVES: A TIME

DOMAIN APPROACH

Roberto A. TENENBAUM Moyses ZINDELUK 349

PARAMETERIZATION OF METEOROLOGICAL CONDITIONS FOR SOUND PROPAGATION

Conny LARSSON Bengt HALLBERG Sven ISRAELSSON 353

THE EFFECT OF METEOROLOGICAL CONDITIONS ON SOUND PROPAGATION

OVER A HARD GROUND

Koichi YOSHIHISA 357

THE USE OF RAY TRACING TECHNIQUES FOR NOISE PREDICTION IN

WORKING ENVIRONMENTS

Giuliana BENEDETTO Renato SPAGNOLO 361

ANALYSIS OF THE FIELD OF REFLECTED-DIFFRACTED WAVES

BY MEANS OF THE IMAGE SOURCE METHOD

KOTARBINSKA Ewa 365

CALCULATION OF SOUND DIFFUSION IN INDUSTRIAL HALLS

USING THE RAY METHOD

Andrzej KULOWSKI 369

ANALYSIS OF DIFFERENT PUNCTUAL SOUND SOURCES: GEOMETRY AND

DIRECTIVITY

A. GIMENEZ A. MARIN M. A. PICARD F. BELMAR 373

NOISE CONTROL ELEMENTS 377

LONG RANGE BARRIER ATTENUATION OF RAILROAD NOISE

U. J. KURZE 379

INSERTION LOSS OF SOUND INSULATION BARRIER

PAN Zhonglin HUANG Youxing JIN Jinsheng ZHU Yuguang 383

xiii

ATTENUATION BY CYLINDRICALLY TOPPED WEDGE NOISE BARRIERSS. I. HAYEK

387

ON THE DIFFRACTION EFFECT ON NOISE RADIATED FROM MOVING

SOURCES INFLUENCED BY A SEMI-INFINITE BARRIER

Mitsunobu MARUYAMA Tatsuo KATOH391

NOISE REDUCTION OF A SLIT-TYPE BARRIER BY USING THE LINE

INTEGRAL METHOD AND FULL SCALE MODEL MEASUREMENT

Youichi TANIOKU Kazuo KONISHI Zyun-ichi MAEKAWA 395

SOUND BARRIERS-HOW ARE THEY USED?

Mitsuyasu YAMASHITA Kohei YAMAMOTO 399

A DIFFRACTION FIELD OF TRAFFIC NOISE BEHIND BUILDINGS ALONG

A STREET

ZHANG Li ZHENG Chang-ju 403

ACOUSTIC ENCLOSURE FOR CORRUGATOR

Chool-jae, RHEE 407

MODELS FOR PREDICTING THE INSERTION LOSS OF CLOSE FITTING

ENCLOSURES

D. J. OLDHAM 411

THE INFLUENCE OF GASKET DESIGN ON ENGINE COVER NOISE

I. CARR N. LALOR 415

ACOUSTIC DESIGN OF MUFFLER FOR THE W TYPE VACUUM PUMP

PENG Sholi 419

SYNTHESIS OF MUFFLERS FOR GAS INTAKE AND EXHAUST SYSTEMS OF

INTERNAL COMBUSTION ENGINES. THEORY AND APPLICATION

STAROBINSKY R.N. 423

PNEUMATIC NOISE ABATEMENT BY EJECTOR MUFFLERS

Paul J. VAN DEN BRULLE Gustav A. SEHRNDT 427

AN EXPERIMENTAL STUDY ON A NEW COMPOSITE SILENCER WITH MICROPORE

AND THROTTLE DEPRESSURIZATION

WANG Wenqi HE Youjing ZHANG Yumin 431

EXPERIMENTAL INVESTIGATION ON THE BROADBAND SOUND ATTENUATING

STRUCTURE HAVING A STRAIGHT NECK CONE & MICROPERFORATED RING

PANELS

JIANG Pengming GNEG Xiaoyin 435

NOISE SUPPRESSION IN GAS TURBINE TESTING ROOM

HUANG Chiming HE Liyu CAI Xiulan DAI Ganhua 439

SOUND ABSORPTION MATERIALS AND CONSTRUCTIONS IN SPECIAL OBJECTS

TOMASOVIC Peter 443

xiv

THE RELATIONSHIP BETWEEN THE ACOUSTICAL AND PHYSICAL PROPERTIES

OF HIGHLY POROUS FOAMS

WU Qunli 447

NEW DEVELOPMENT IN REFRACTORY GRANULAR ABSORBENT TILES

TANG Daomin LIN Xixian 451

NONLINEAR ACOUSTIC CHARACTERISTICS OF PERFORATED CONSTRUCTION

AT HIGH SOUND PRESSURE LEVELS

DU Gonghuan GONG Xiufen 455

THE SOUND ABSORPTION CHARACTER OF RECTANGULAR PLASTIC BOXES

WANG Zuomin 459

HEARING PROTECTORS IN IMPULSE NOISE

P. W. ALBERTI S. M. ABEL 463

FIELD MEASUREMENTS OF ATTENUATION AND CLAMPING FORCE FOR

HARD-HAT MOUNTED FOR MUFFS AT MINES

Miron U. SAVICH 467

ACOUSTIC DESIGN AND EFFECT OF IMPULSE NOISE PROTECTING EAR MUFFS

SUN Xiao-yi 471

COINCIDENCE ABSORBER

0. BSCHORR 475

SOUND ATTENUATION IN A TUNNEL

LIN Taiyong XIE De-an 477

THE DEVELOPMENT OF A QUIET FLOW-NOISE WIND-TUNNEL AND

ITS APPLICATION

Yoshiyuki MARUTA Yoshio UGAI Shoji SUZUKI 481

THE EVALUATION OF THE SOUND ATTENUATION IN AN AXIAL

SYMMETRICAL PIPE BY USING BOUNDARY ELEMENT METHOD

QIN Darhua 485

NEW PROCEDURES FOR ESTIMATING ATTENUATION RATES IN LINED CIRCULAR

AND RECTANGULAR DUCTS

David Alan BIES Colin H. HANSEN 489

PROGRESS IN STUDIES ABOUT MUFFLERS SETTING IN VENTILATING DUCTS

ZHAO Songling 493

A STUDY OF OPTIMIZATION FOR RECTANGULAR LINED DUCTS

Z. C. ZHU Y. X. LI J. L. WU Y. ZHANG 497

A STUDY OF THE ACOUSTIC PERFORMANCES OF BENDS BY FINITE

ELEMENT METHOD

WEI Wei 501

THE PRINCIPLE AND EXPERIMENTAL INVESTIGATION OF ACTIVE NOISE

CONTROL IN THREE-DIMENSIONAL SPACE

CHENG Jie ZHU Yuerui 505

xv

ACTIVE ATTENUATION OF NOISE: THE CHELSEA N-SOURCE ATTENUATOR ARRAYSKh EGHTESADI W.K.W. HONG H. G. LEVENTHALL 509

APPLICATION OF ARRAY PROCESSING TO ACTIVE NOISE CANCELLATIONIN UNDERWATER ACOUSTICS

W. S. GAN513

EFFECT OF AIR FLOW ON AN ACTIVE DUCT NOISE SUPPRESSION SYSTEMHiroshi KANAI Akihiro SHIMA Masato ABE Ken'iti KIDO 517

ACTIVE NOISE REDUCING EARMUFFS

LI Cangpu 521

ACTIVE ATTENUATION OF SOUND GENERATED BY LOW FREQUENCYSIMPLE SOURCES IN THREE DIMENSIONAL SPACE

LI Yimin525

.ACTIVE NOISE CONTROL IN ROOMS BY INTERFERENCE

Elizabeth LINDGVIST Per SJOSTEN 529

ACTIVE SUPPRESSION OF SOUND RADIATION IN OPEN SPACE

LU Guangging 533

ACTIVE NOISE CANCELLATION OF TRANSFORMER NOISE

T. BERGE O.KR.O. PETTERSEN S. SORSDAL 537

ACOUSTICAL MECHANISM OF ACTIVE NOISE ATTENUATOR IN DUCTSHA Jiazheng TIAN Jing 541

A COMPENSATED ADAPTIVE SYSTEM FOR ACTIVE NOISE ATTENUATIONSHI Xinhua MA Yuanliang 545

TWO IMPROVED FILTER DESIGNS FOR ACTIVE NOISE CONTROL

Per SJOSTEN Per ERIKSSON Ingvar CLAESSON 549

SECONDARY SOURCES OF A SPATIAL ACTIVE NOISE ATTENUATOR

TIAN Jing SHA Jiazheng 553

VIBRATION: GENERATION, TRANSMISSION, ISOLATION AND REDUCTION 557

THE STABILITY LIMIT OF THE RIJKE OSCILLATION

Byung-ho LEE 559

EXPERIMENTAL STUDIES ON THE EXCITING FORCE OF FANS FOR

BUILDING EQUIPMENT

K.. MUGIKURA M. TANO K. TAKAKU K. ANDO 563

THE VIBRATION RESPONSE OF SUSPENDED FLOORS TO CROWD LOADING

Alan P. JEARY 567

THE WAVELENGTH OF VIBRATING RECTANGULAR PLATESFranz G. KOLLMANN 571

THE VIBRATIONAL RESPONSE OF A COMBINATION OF RECTANGULAR PLATES

TO POINT AND MULTI-POINT EXCITATION PART II- MEASUREMENT

B. M. GIBBS Y. SHEN 575

VIBRATION CONTROL OF A PLATE STRUCTURE BY USING DYNAMIC ABSORBERS

FOR REDUCING NOISE

Kazuto SETO Takahiko ONO Shigeo YAMASHITA Hideo SUZUKI 579

THE VIBRATIONAL RESPONSE OF A COMBINATION OF RECTANGULAR PLATES

TO POINT AND MULTI-POINT EXCITATION PART I- THEORY

Y. SHEN B. M. GIBBS 583

THE ENERGETICS OF STRINGS EXCITED FROM REST

Baicheng ZHAO 587

CASE-STUDY OF RAILWAY VIBRATIONS IN BUILDINGS: THE "MUSEE D'ORSAY"

D. E. COMMINS A. GERMON J. P. SIRIEYS A. FOURNOL 591

MEASUREMENT OF VIBRATIONAL WAVE CHARACTERISTICS OF BEAMS AND PIPE

WITH AND WITHOUT DISCONTINUITY

P. ESPARCIEUX F. J. FAHY 595

GROUND-BUILDING VIBRATIONS: INVESTIGATION OF THE SEISMIC EFFECTS

FROM SURFACE MINE BLASTING

Arpad Stephen HARGITA 599

EXAMPLES OF STRUCTURE-BORNE SOUND VISUALIZATION

Manfred HECKL 603

LABORATORY DETERMINATION OF VIBROMOTIVE FORCE AND STRUCTURE-BORNE

NOISE GENERATED BY MACHINERY IN BUILDING SERVICES

K. ISHII T. HIRAMATSU H. OHKAWA M. KDYASU 607

THE PROPAGATION OF THE BENDING WAVES AND TORSIONAL WAVES

IN A COMBINED BEAM STRUCTURE

Jinhe LI 611

ACOUSTIC ANALYSIS OF DIFFERENT CONCRETE MIX

OK Jungkwon 615

DEVELOPMENTS IN CONTROL OF GROUND-BORNE NOISE AND VIBRATION FROM

RAIL TRANSIT SYSTEMS

George Paul WILSON 619

A BRIEF DISCUSSION ON AIR CUSHION ISOLATORS FOR SOUND AND

VIBRATION-PROOF ROOM FOR GENERATION STATION

FANG Shanglai GUO Gongxi 623

A MATHEMATICAL STUDY OF THE CONTINUOUS ISOLATORS

R.C.N. LEUNG R.J. PINNINGTON 627

VIBRATION ISOLATION OF MACHINES AT ACOUSTICAL FREQUENCIES:

THEORY AND PRACTICE

M. I. MOGILEVSKY 631

xvii

VIBRATIONAL POWER FLOW THROUGH INCLINED ISOLATORS

YAN Jikuan 635

ON STRUCTURE-BORNE SOUND PATHS FORM RESILIENTLY MOUNTED MACHINERY

H. F. STEENHOEK 639

METHOD OF EVALUATING THE ISOLATING EFFICIENCY OF NON-LINEAR

ISOLATORS

WANG Jian-hua ZHUANG Biao-zhong 643

THEORETICAL AND EXPERIMENTAL INVESTIGATION OF SAND DAMPING

ON PLATES

L. C. CHOW R. J. PINNINGTON 647

LOSS AND COUPLING LOSS FACTORS AND COUPLING DAMPING IN

NON-CONSERVATIVELY COUPLED CYLINDRICAL SHELLS

M. P. NORTON P. R. KESWICK 651

DAMPING ALLOYS AND THEIR APPLICATION

TAO Zhigang 655

THE EXPERIMENTAL EVALUATION OF TWO METHODS FOR INCREASING PIPE

DAMPING

R. G. WHITE LI Meng 659

A NEW TYPE OF COMPOSITE COMPLEMENTARY DAMPING AND DAMPING

MATERIAL SB-1 II

WU Chongjian FU Tongxian ZHAO Fukuan 663

THE STUDY AND APPLICATION OF DAMPING ALLOY OF BJ SERIES

ZHOU Di ZHUANG Wen Xiong TAO Zhi Gang 667

AN EFFECT ANALYSIS OF DAMPING TREATMENT ON AIRCRAFT

FUSELAGE SIDEWALL FOR VIBRATION AND NOISE REDUCTION

HUANG Wanwu NI Naichen 671

STUDY ON VIBRATION AND SOUND RADIATION OF A COMPOSITE PLATE

WITH NON-RIGID BAFFLE EXERTED BY RANDOM FORCE

LI Jing-fang HE Zuo-yong 675

IMMISSION: PHYSICAL ASPECTS OF ENVIRONMENTAL NOISE 679

ACOUSTIC DESIGN FOR SECONDARY SCHOOLS IN HONG KONG

LAU Siu Yu 681

OPTIMUM LOCATION OF SOUND ABSORBING MATERIAL AND ESTIMATION

OF ITS NOISE REDUCTION EFFICIENCY IN INDUSTRIAL SPACES

OSIPOV G.L. SERGEYEV M.V. SHUBIN I.L. 683

NOISE CONTROL IN HIGH RISE INDUSTRIAL BUILDINGS

G. ROSENHOUSE 687

NOISE CONTROL, SOUND INSULATION AND ACOUSTICAL DESIGN OF

MULTI-PURPOSE HALLS IN NORWAY

Svein STROM 691

CONTROL OF NOISE AND VIBRATION IN DWELLINGS -

A PRACTICAL ALTERNATIVE

Ewart A. WETHERILL 695

RATTLING NOISE AND VIBRATION CHARACTERISTICS OF A WINDOW

OWING TO LOW FREQUENCY NOISE

Shinji YAMADA 699

A DESIGN OPTIMIZATION PROCEDURE FOR CAVITY ACOUSTICAL TREATMENTS

Robert J. BERNHARD Seiji TAKEO 703

EXPERIMENTAL RESEARCH ON ABSORPTION EFFECT IN CORRIDOR

WU Dasheng ZHANG Xiying 707

A PREDICTION OF OUTPUT RESPONSE PROBABILITY FOR ACOUSTICALLY

COUPLED ROOMS WITH ENVIRONMENTAL RANDOM NOISE EXCITATION UNDER

ARBITRARY BACKGROUND NOISE

Shin'ya KUWAHARA Kazutatsu HATAKEYAMA Mitsuo OHTA 711

CALCULATING SOUND INSULATION OF WALLS BY SEA METHOD

QIN Youguo 715

SOUND SHIELDING EFFICIENCY OF PARTITION WALL FACED TO THE

ANISOTROPIC SOUND FIELD

Kyoji FUJIWARA 719

NOISE PROTECTION SOLUTION OF A CONTROL ROOM BY USING

SPECIAL LIGHTWEIGHT CONSTRUCTION

KOTSCHY Andras 723

PRACTICAL CONSIDERATIONS ON THE SOUND INSULATION OF GYPSUM

BOARD PARTITIONS

XU Zhi-jiang ZHU Wei-wei WANG Ji-qing 727

RESEARCH ON THE IMPROVEMENT OF IMPACT SOUND PROPERTIES OF FLOOR

ZHANG Xiying WU Dasheng LIANG Min 731

SOUND CHARACTERISTICS OF OPEN PLAN OFFICE

CHE Shiguang QIN Youguo RANG Jian 735

INVESTIGATION OF ACTUAL ROOM NOISE IN MODERN LARGE OFFICES

M. NAGATOMD S. KAJIMA M. TANO T. SORA 739

A METHOD TO CALIBRATE THE INTEGRATED NOISE MODEL FOR AN EXISTING

AIRPORT

H. F. CHAN Raymond CHAN 743

ESTIMATION OF YEARLY NEL OF AIRCRAFT NOISE BY SHORT TERM

MEASUREMENT

Juichi IGARASHI Ichiro YAMADA 747

MONITORING SYSTEM AND ESTIMATION OF AIRCRAFT NOISE IN THE

SURROUNDINGS OF THE NEW TOKYO INTERNATIONAL AIRPORT

Akira ISHII Takao OKABE Tsuneo OKUDA 751

xix

SOUND EXPOSURE LEVEL SPECTRA OF SONIC BOOMS AND COMMUNITY NOISE

Robert W. YOUNG 755

EXPLOITING A DATA BANK OF ROAD NOISES STUDY OF THE INFLUENCING

PARAMETERS

MERIEL Bernard DUNOD Isabelle LABERTHONNIERE Joel 763

PREDICTING THE ROAD TRAFFIC NOISE REFLECTIONS AT THE VICINITY OF

ROAD INTERSECTIONS

Bela BUNA 767

PASSENGER CAR EQUIVALENCE OF TRUCK NOISE AT DIFFERENT MIX OF

HEAVY VEHICLES AND TRAFFIC VOLUME

CHUNG Moo Yong KIM Hyung Chul 771

ON THE ENERGY FLOW OF A TRAFFIC NOISE FROM THE COMPLEX ROADS

Akinori FUKUSHIMA Kazuo KONISHI 775

ROAD TRAFFIC NOISE CONTROL IN AUSTRALIA

George GLAZIER Stuart MCLACHLAN 779

A PRACTICAL PREDICTION METHOD USING AN ELEMENTARY RESPONSE WAVE

FORM FOR THE ROAD TRAFFIC NOISE

Yasuo MITANI Mitsuo OHTA 783

COMPARATIVE STUDY OF ROAD TRAFFIC NOISE IN EGYPT AND WEST GERMANY

M. NAGY, 0. Abdel ALIM A. ABOU-ELHASSAN 787

THE PROTECTION OF A NEIGHBOURHOOD FROM TRAFFIC NOISE DUE TO

A NEW HIGHWAY

Dan STRUMPF F. Michael STRUMPF 791

PROPAGATION MODEL OF TRAFFIC NOISE IN ROADSIDE ARCHITECTURAL

COMPLEXES

SUN Guangrong TIAN Jing WU Qixue LI Ningrong 795

APPLICATION OF THE SOUND EXPOSURE LEVEL (Lax) TO TRAFFIC NOISE

MEASUREMENT AND PREDICTION

WU Qi-xue TIAN Jing SUN Guang-rong LI Ning-rong 799

SOME EXAMPLES OF ROAD TRAFFIC NOISE MEASURED FOR ALL DAY LONG

BAISIS ON L^tj AND Lx

Y. YAMASHITA M. MATSUI 803

THE PREDICTION OF URBAN TRAFFIC NOISE BY A STATISTICAL METHOD

ZHAO Renxing 807

RESEARCH ON EFFECT OF VEHICLE HORN SOUND ON URBAN TRAFFIC NOISE

ZHENG Changju JIANG Zhiqing 811

RAILWAY VIBRATION ENVIRONMENT AND ITS PROPAGATION TO RESIDENTIAL

AREAS IN CHINA

MA Jun QIAN De-sheng GU Xiao-an QIAN Cong-ling 815

xx

THE PREDICTION OF NOISE AND VIBRATION FROM UNDERGROUND RAILWAY

LINES

J. MELKE 819

INFLUENCE OF LOW FREQUENCY NOISE AND ITS CONTROL

LU Ruyu GAO Yanliang 823

ENVIRONMENTAL NOISE PROBLEMS, CAUSED BY OPEN AIR THEATRES AND

AMUSEMENT PLACES

E. POTA F. REIS 827

INDUSTRY NOISE- A TOWN-PLANNING TOPIC IN THE VICINITY OF AIRPORTS

Lothar G.S. PRANG 831

NOISE CONTROLS RECOMMENDED ,FOR THE PROPOSED SHENZHEN AIRPORT

Richard E. BURKE'

835

A RESEARCH OF THE COMPREHENSIVE TREATMENT AND PREVENTION OF NOISE

CONTAMINATION IN SMALL AREA

ZHANG Rongfa 839

NOISE CONTROL FOR DESULFURIZATION PLANTS OF LARGE FOSSIL

POWER PLANTS

Enno P. RIEDEL Achim BOEHM 843

NOISE CONTROL IN AN INTEGRATED ALUMINUM COMPANY

Stephen I. ROTH 847

NOISE CONTROL IN NON-CENTRAL COMPACT POWER PLANTS

Michael A. HOFMANN 851

EFFECTS OF DYNAMIC ABSORBERS ON THE VIBRATION AND SOUND RADIATION

CHARACTERISTICS OF A RECTANGULAR PLATE

Hideo SUZUKI Takahiko ONO TIAN Jifang LI Yibing

Kazuto SETO Shigeo YAMASHITA 855

STUDY OF URBAN TRAFFIC NOISE PREDICTION IN CHINA AND

APPLICATION OF COMPUTER IN NOISE CONTROL STRATEGIES

LIU Ke CHEN Qian FANG Dan-gun 859

PLANNING FOR NOISE-CONTROL IN INDUSTRY

G.J. Walma VAN DER MOLEN 863

STUDY ON NOISE ENVIRONMENT OF RESIDENCE AND REACTION OF INHABITANTS

Akinori HAYASHI Kazuhiro KUNO Yoshiaki MISHINA

Kazuo IKEGAYA 867

SURVEY ON NOISE ENVIRONMENT OF RESIDENCE IN URBAN AREA

COMPARATIVE STUDY BETWEEN CHINA AND JAPAN

Kazuhiro KUNO Yoshiaki MISHINA Akinori HAYASHI

Yasaki OISHI Kazuo IKEGAYA Darui ZHENG

Xiulan CAI Tong CHEN 871

xxi

URBAN NOISE IN MADRID

J. S. SANTIAGO J. PONS E. MATEOS P. PERERA 875

IMMISSION: EFFECTS OF NOISE 879

PERCEPTIONS OF ROAD TRAFFIC NOISE, MUSIC AND THE SONGS OF

NIGHTINGALES

Yukiko YAMADA Akihiro TERUI 881

ON THE TRAFFIC ALARM AND THE SUITABLE LEVEL OF A CAR RADIO

K. NAKAMURA S. KUBO H. RYU J. FUJIKI Y. KAWAMURA 885

PROTECTION MECHANISMS OF THE MIDDLE EAR STRUCTURES AGAINST NOISE

INDUCED COCHLEAR DAMAGE

LIN Hua-ying ! LIN Xi HE Zhi-zhou LIANG Zhi-an 889

PSYCHOLOGICAL EVALUATION OF INFRA AND LOW FREQUENCY NOISE

Koichi TAYA Kazuo SHIMIZU Yasuo TOKITA 893

THE EXPERIMENTAL, PROSPECTIVE AND RETROSPECTIVE RESEARCHES OF

WEAVING NOISE EFFECTS ON WORKERS' HEALTH

ZHANG Yifei LI Guilan ZHANG Baizhen 897

ACOUSTIC REFLEX AND PROTECTION AGAINST INTENSE SOUNDS:

QUANTITATIVE ANALYSIS

P. AVAN D. LOTH F. BISARO C. MENGUY M. TEYSSOU 901

HAZARDOUS EFFECTS OF NOISE ON HEARING

Barbara A. BOHNE William W. CLARK 905

TEMPORARY THRESHOLD SHIFT INDUCED BY THE 24-HOUR NOISE EXPOSURE

K. TAKAGI A. ITO K. HIRAMATSU T. YAMAMOTO 909

INVESTIGATION OF MILITARY STANDARD FOR IMPULSE NOISE

CHENG Mingkun LIANG Zhian MENG Zhaohuei LI Xingqi 913

AUDIOMETRIC EVALUATION HEARING LOSS CAUSED BY IMPULSIVE NOISE

GU Rei HANG Dongyi 917

THE EFFECT OF NOISE EXPOSURE ON THE AUDITORY SYSTEM OF THE FETUS

Nicole M. LALANDE 921

INJURY TO THE MIDDLE EAR DUE TO HIGH-INTENSITY SOUND

MENG Zhaohuei CHENG Mingkun SHEN Hao 925

INSIGHTS INTO THE HAZARD FROM INTENSE IMPULSES FROM A MATHEMATICAL

MODEL OF THE EAR

G. Richard PRICE Joel T. KALB 929

THE ROLE OF HYPERBARIC AND HIGHLY CONCENTRATED OXYGEN IN PREVENTION

AND TREATMENT OF NOISE-INDUCED HEARING DAMAGE

SHI Xiufeng HU Zhengyuan CAO Hulqin WEI Jing Wang Xi 933

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