1 r A55OCIAZIONf Tfr NjOA WIL AuTOMOBllf Sczione Toscana INTERNATIONAL SETC SMALL ENGINE TECHNOLOGY CONFERENCE UNDER THE PATRONAGE OF University of Pisa on its 650th Anniversary since the foundation WITH THE PATRONAGE OF Federation Internationale des Societes des Ingenieurs et Techniciens de 1'Automobile WITH THE SUPPORT OF: The Institution of Mechanical Engineers • Automobile Division Ufl Societe des Ingenieurs de l'Automobile Consiglio Nazionale delle Ricerche Progetto Finalizzato Trasporti 2 December 1-3, 1993 PALAZZO DEI CONGRESSI Via Matteotti, 1 UB/TIB Hannover 89 PISA- ITALY 111 743 354 XII CONTENTS Paper No. Page No. 931471 1 L I TORIELLO - Mercury Marine Division of Brunswick Corp. - Fond du Lac (USA) The green environment and its impact on the recreational marine industry 931472 17 M YAMANOUCHI - Mazda Motor Corp. - Hiroshima (Japan) Automotive engines; the search for environmental harmony 931473 27 G P BLAIR - The Queen's University of Belfast (Northern Ireland) The consumer, the environment and the small engine 931474 31 B BREUER, J PRACKEL, M SCHMIEDER, A WEIDELE - Darmstadt University (Germany) Motorcycle/Rider/Road - Complex and demanding interfaces 931475 41 C CAPUTO - Universita di Roma La Sapienza (Italy) What novelties can be applied to small I.C. engines ? 931477 61 C STAN - College of Technology and Economics - Zwickau (Germany) Concepts for the development of two stroke engines 931478 71 G MONNIER, P DURET - Institut Francais du Petrole - Rueil Malmaison (France) R PARDINI, M NUTI - Piaggio V.E. - Pontedera (Italy) IAPAC two-stroke engine for high efficiency low emissions scooters 931479 81 A ARMANNI, G BIDINI, C N GRIMALDI - Universita di Perugia (Italy) Small two stroke diesel engine prototype XIII 931480 91 S GLOVER, P DURET - Institut Francais du Petrole - Rueil Malmaison (France) The ROTAPAC fuel injection concept for low emissions two- stroke engines 931482 103 A FRANCO, L MARTORANO - Universita di Pisa (Italy) A mathematical model to simulate combustion in a two-stroke engine simulation computer program 931484 113 P S MEHTA - Indian Institute of Technology - Madras (India) K A MALIK - Aligarh Muslim University (India) C P GUPTA - University of Roorkee (India) An analytical model and parametric investigation of a small two- stroke SI engine 931485 127 M FURUYAMA - Chiba University (Japan) Y ISHII - Isuzu Motors (Japan) R HORIGUCHI - KAO (Japan) Prediction of fuel supply characteristics on motor cycle by intake system simulation 931486 137 G L BERTA - Universita di Catania (Italy) Engines for hybrid vehicles: requirements and perspectives 931487 977 D DINI - Universita di Pisa (Italy) On board constant power hydrogen fuelled engine for electrically driven vehicle 931490 145 A ARLOTTI, F CAGNOLATI - Lombardini FIM - Reggio Emilia (Italy) Evaluation of potential emission and performance levels of a single cylinder three-valve direct injection diesel engine 931491 985 V DELLE SITE, O LANDOLFI - CNR, Progetto Finalizzato Trasporti 2 - Roma (Italy) F CARICCHI - Universita di Roma La Sapienza (Italy) Evaluation of design problems related to the adaptation of a small commercial diesel engine to marine use XIV 931492 155 U PANZERI - Dott. Vittorio Gilardoni - Mandello Lario (Italy) Bimetal heads for two-stroke engines 931493 173 D W PROCKNOW - Briggs & Stratton - Milwaukee (USA) The design and development of a gaseous fueled engine for residential heat pump use 931494 183 C R JOHNSON, M F ROSE - Auburn University - Alabama (USA) B D GUENTHER, J KRUGER - US Army Research Office - North Carolina (USA) W R GOODWIN, Jr. - US Army Natick Research, Development and Engineering Center - Natick (USA) R P HAMLEN - US Army Research Laboratory - Fort Monmouth (USA) S NAWROCKI - US Army Belvoir Research, Development and Engineering Center - Fort Belvoir (USA) Small energy conversion machinery for manned systems: a summary of workshop proceedings 931496 193 V I PANIN, V B UDOVICHENKO - VNIIMotoprom - Serpukhov (Russia) V I KOSAREV - Ministry of Science of the Russian Federation - Moscow (Russia) Some aspects of efficiency of composites and ceramics for engine applications 931497 201 V I PANIN, A N VASHCHENKOV - VNIIMotoprom - Serpukhov (Russia) S M BOROVSKAYA - VIAM - Moscow (Russia) F E GRISHAYEV - Ministry of Science of the Russian Federation - Moscow (Russia) The findings of work on the development of composite connecting rod (CFRP) for small capacity engines 931498 207 G CHIATTI, R RUSCITTI, G SARACENO - Universita di Roma La Sapienza (Italy) Thermal barriers in small diesel engines XV 931499 217 R HIPPOLITI - Piaggio V.E. - Pontedera (Italy) FEM method for design and optimization of connecting rods for small two-stroke engines 931500 231 M PEROTTI- Politecnico di Milano (Italy) T TOSCHI - Cagiva Motor Italia - Varese (Italy) Simulation and data acquisition of exhaust systems for high performance two-stroke engines 931502 245 W HEIMBERG - Ficht - Kirchseeon (Germany) Ficht pressure surge injection system 931503 . 263 Y-Q DONG - Wuxi Fuel Injection Equipment Research Institute - Wuxi City (P.R. of China) Z-H YU - Jintan Diesel Engine General Works - Jintan (P.R. of China) The investigation on the development of fuel injection systems for small IDI diesel engines 931504 273 A CHIRU, C COFARU, H R ANCA - Transylvania University - Brasov (Romania) R I MOUCHA, P PASCA, T KLEIN - Roman - Brasov (Romania) Possibilities of increasing the energetic and environmental performances of diesel engines with direct injection through acoustical supercharge 931505 283 P RAMESH BABU, B NAGALINGAM, K V GOPALAKRISHNAN - Indian Institute of Technology - Madras (India) Study of a new scavenging system to reduce the loss of fresh charge in three different types of two-stroke SI engines 931506 295 R FLECK - The Queen's University of Belfast (Northern Ireland) Expanding the torque curve of a two-stroke motorcycle race engine by exhaust water injection 931507 305 H KAWABE - Yamaha Motor - Iwata (Japan) Y KONISHI - Kyodo Oil Technical Research Center (Japan) Effect of polybutene on prevention of clogging in the exhaust system of two-stroke engines XVI 931508 315 C M BARTOLINI, G VINCENZI - Universita di Ancona (Italy) G CHIATTI - III Universita di Roma (Italy) Performance analysis of a two-stroke gasoline engine with direct-injection 931509 323 K-H BENDIX - Bombardier-Rotax - Gunskirchen (Austria) Optimizing of the nonsteady operational behaviour of high performance two-stroke engines 931510 333 S R MARATHE, R G CHIKHALIKAR, H A MALEKAR, V SARVESWARAN - Bajaj Auto - Pune (India) Study of the effect of combustion chamber design on performance of the small, two stroke gasoline engine 931511 345 H NAKAHARA, K NAKAMURA - Kawasaki Heavy Industries - Akashi (Japan) Assessing the performance of internal combustion engines of different volumes 931512 355 Y MOTOYAMA, T GOTOH - Yamaha Motor - Iwata (Japan) The effect of higher compression ratio in two-stroke engines 931513 365 M NUTI, D CUNDARI - Piaggio V.E. - Pontedera (Italy) Experimental analysis for internal losses in two-stroke SI engine 931514 375 T KATSUOKA, H KOYAMA, S NAKAMICHI, K IKUMA - Yamaha Motor - Iwata (Japan) Research and development of electro hybrid bicycle with PAS (Power Assist System) 931515 383 M KATO, K NONAKA - Sanshin Industries - Hamamatsu (Japan) Sensing of air mass in a two-stroke outboard engine using crankcase pressure 931518 391 P M AZZONI, G CANTONI - ENEA-INN-FIS-C.R.E.E. Clementel - Bologna (Italy) G MINELLI, D MORO - Universita di Bologna (Italy) Indirect pressure measurement in a small diesel engine XVII 931519 999 A C CAPUTO, G CAVANNA - Universita di Roma La Sapienza (Italy) A ARLOTTI, F CAGNOLATI - Lombardini FIM - Reggio Emilia (Italy) Feeding of small diesel engines with water in diesel oil emulsion 931520 403 F E CORCIONE, A FUSCO, G VALENTINO - CNR, Istituto Motori - Napoli (Italy) R BOSISIO, N SCINICARIELLO - Lombardini FIM - Reggio Emilia (Italy) F PAPETTI - IBM Semea - Roma (Italy) Development of a DI diesel combustion system by Kiva-ll numerical code and engine tests 931523 413 S SUZUKI - Yamaha Motor - Iwata (Japan) T MAEDA - Mazda Sangyo (Japan) Development of car engine-based, low-NOx, highly reliable GHP engine 931524 423 T YAMAOKA, C HIRATA - Suzuki Motor - Hamamatsu (Japan) Analysis of valve system behaviour 931525 431 R GENTILI, G FORASASSI - Universita di Pisa (Italy) P BRUNO, M GIORDANO Variable compression ratio system for reciprocating SI engines 931526 447 H ODA, S TSUTSUMIKOSHI, T SHINKAI - Suzuki Motor - Hamamatsu (Japan) Development of variable valve timing and lift mechanism for motorcycle 931528 457 T MUROKI, M SUZUKI - Chiba University (Japan) M ISHIHARA - Nissan Motor (Japan) Research and development of the rotary valve XVIII 931529 1017 L ARNONE, R COZZOLINO, M MIGLIACCIO - Universita di Napoli "Federico II" (Italy) M GAMBINO - CNR, Istituto Motori - Napoli (Italy) Using an orbital type compressor for charging a single-cylinder SI two-stroke engine 931530 465 H KOBAYASHI, H YOSHIDA, Y IKEDA - Riken - Kashiwazaki (Japan) Y MISHIMA - Honda R&D (Japan) Narrow width top ring behaviour for gasoline engine 931532 475 J P SHARMA - Escorts - Patiala (India) G SINGH - Thapar Institute of Engineering and Technology - Patiala (India) Review of design concepts and performance evaluation of a small symmetrical crank case loop flow scavenged two stroke engine in the light of latest developments in ring materials 931533 487 M SOUGAWA, S OKUMURA - Sanshin Industries - Hamamatsu (Japan) Development of piston rings treated with composite electroplating