Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 46, Issue 13, Pages 18049-18066Publisher
WILEY
DOI: 10.1002/er.8148
Keywords
compressed air engine; energy conversion efficiency; parallel operation mode; pneumatic motor; power performance
Categories
Funding
- Beijing Natural Science Foundation [3222024]
- State Key Laboratory of Engines, Tianjin University [K2020-08]
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This study investigates the effects of parallel operation mode on the power performance of pneumatic motors (PMs) and finds that the parallel operation mode can improve the power performance, economy, and energy conversion efficiency of compressed air vehicles (CAVs).
Power performance of pneumatic motor (PM) limits its application in compressed air vehicle (CAV) as an auxiliary power. This study presents an investigation of the power system with parallel operation mode based on experiments to improve the power performance of PM. First, the test bench of PM in parallel operation mode is built. Then, a series of experiments are conducted to investigate the effect of key parameters on the power performance, economy and energy conversion efficiency of CAV. The interaction among the key parameters of the PM and the influence of them on the power performance are discussed. Subsequently, the power performance, economy and energy conversion efficiency of the PM working in single and parallel operation modes are compared. Experimental results show that the maximum power output of the PM is 979 W, and the energy conversion efficiency of PMs 1 and 2 are 6.54% and 6.80% when the PM works in parallel operation mode. The parallel operation mode of PM can improve the power performance, economy and energy conversion efficiency of CAV.
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