Investigation of different valve geometries and valve timing strategies and their effect on regenerative efficiency for a pneumatic hybrid with variable valve actuation

SAE International Journal of Fuels and Lubricants

Volumn 1, Issue 1, 2009, Pages 1206-1223

  Trajkovic, Sasa ^a   Tunestål, Per ^a   Johansson, Bengt ^a  

^a LUND UNIVERSITY   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

CYLINDER PRESSURES; DIFFERENT MODES; ENGINE INLETS; ENGINE OPERATIONS; INLET PORTS; PNEUMATIC VALVE; PRESSURE TANKS; PRESSURIZED AIR; VALVE GEOMETRY; VALVE HEADS; VALVE OPERATION; VALVE PRESSURE; VALVE TIMING; VARIABLE VALVE ACTUATION; VEHICLE ACCELERATION; VEHICLE DECELERATION;

AUTOMOBILE ELECTRONIC EQUIPMENT; AUTOMOBILE PARTS AND EQUIPMENT; CAISSONS; COLD STORAGE; COMPRESSED AIR; COMPRESSORS; DIESEL ENGINES; ENGINE CYLINDERS; ENGINES; GEOMETRY; INLET FLOW; PNEUMATIC EQUIPMENT; PNEUMATICS; PRESSURE VESSELS;

VALVES (MECHANICAL);

EID: 77953249026     PISSN: 19463952     EISSN: 19463960     Source Type: Journal    
DOI: 10.4271/2008-01-1715     Document Type: Article

References (7)

1. S. Trajkovic, P. Tunestål, and B. Johansson, Introductory Study of Variable Valve Actuation for Pneumatic Hybridization", SAE Paper 2007-01-0288, 2007.
2. C. Thai, T-C Tsao, M. Levin, G. Barta and M. Schechter, "Using Camless Valvetrain for Air Hybrid Optimization", SAE Paper 2003-01-0038, 2003.
3. M. Andersson, B. Johansson and A. Hultqvist, "An Air Hybrid for High Power Absorption and Discharge", SAE paper 2005-01-2137, 2005.
4. M. Schechter, "Regenerative Compression Braking - A low Cost Alternative to Electric Hybrids", SAE Paper 2000-01-1025, 2000.
5. M. Schechter, "New Cycles for Automobile Engines", SAE paper 1999-01-0623, 1999.
6. P. Higelin, A. Charlet, Y. Chamaillard, "Thermodynamic Simulation of a Hybrid Pneumatic-Combustion Engine Concept International Journal of Applied Thermodynamics, Vol 5, No. 1, pp 1-11, ISSN 1301 9724, 2002.
7. S. Trajkovic, A. Milosavljevic, P. Tunestål, B. Johansson, "FPGA Controlled Pneumatic Variable Valve Actuation", SAE Paper 2006-01-0041, 2006.