Journal
APPLIED ENERGY
Volume 82, Issue 2, Pages 117-132Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2004.10.006
Keywords
hybrid pneumatic-power system; waste-energy recycling; engine's thermal-efficiency
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The hybrid pneumatic power system (HPPS) proposed in this research replaces the battery's electric-chemical energy with flow work and optimizes the management and utilization of the energy. This power system is able to keep the internal-combustion engine working at its optimal condition and turn its waste energy into effective mechanical energy and so enhance the thermal efficiency of the whole system. Using computer simulation software ITI-SIM, this study simulates the overall dynamic characteristics of the system in accordance with the regulated running-vehicle test-mode ECE47, and, with experimental verification and analysis, proves that this system can meet the requirements of the standard running-car mode. As for recycling the waste energy, the experimental results show that this design could offset the shortcomings of the low-density of pneumatic power and so effectively enhance the efficiency of the whole system. (c) 2004 Elsevier Ltd. All rights reserved.
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