To study the performance of high and low stage compressors and that of the system as a whole, a two-stage turbocharging system was matched, and a special two-stage turbocharging system test bench was built. For each test curve, the speeds of the two stage turbochargers were adjusted to the fixed data, and a compressor performance experiment was performed. The results showed many differences between the corrected mass flow and the actual mass flow of the high pressure (HP) stage compressor. To find out the actual supercharging effect of the two-stage turbocharging system, it is better to adopt the actual mass flow. The two-stage turbocharging system in this paper has much higher efficiency under most operating conditions if the pressure ratio assignment is 1:1. The system can get very high supercharging pressure when the speeds of the two stage turbochargers are rather low, which ensures the system’s security and reliability.
HE Yituan, MA Chaochen, WEI Mingshan, ZHU Zhifu, HE Yituan
. Compressor performance of two-stage turbocharging
system[J]. Frontiers of Mechanical Engineering, 2008
, 3(2)
: 218
-221
.
DOI: 10.1007/s11465-008-0027-0
1. Ma Chaochen Zhang Chen Yang Ce et al.Calculation and analysis of the outflow field ofthe adjustable inlet equipment on a compressorJournal of Beijing Institute of Technology 2004 24(4)294296(in Chinese)
2. Wei Mingshan Ji Kai Ma Chaochen Two-phase supercharging of automotive diesel enginesAutomobile Technology 2005 (1)2528(in Chinese)
3. Hao Qiang Zhu Meilin He Qiyu Review on high pressure ratio turbocharging system of dieselengineVehicule Engine 1994 (4)18(in Chinese)
4. Wang Yansheng Huang Yousheng Vehicular Engine Exhaust GasTurbochargingBeijingNational Defence Industry Press 1984 (inChinese)
5. Zhu Daxin Turbo Boosting and TurbochargerBeijingChina Machine Press 1992 (in Chinese)
6. Jiang Deming Internal Combustion Engine TurbochargingBeijingChina Machine Press 1986 (in Chinese)
