小型セラミックガスタービンを用いた自動車用ハイブリッドシステムの研究(第3報)

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This paper describes potentials on fuel economy and NOx exhaust emissions of a series hybrid urban bus system equipped with a ceramic gas turbine engine (CGT). The simulating program developed inhouse was used to analyze influences of several parameters of each main components of the hybrid vehicle system on the performance of the bus running on the modified bus driving cycle. The basic data used in this analysis for a CGT was derived from the results of "the Automotive 100 kW CGT Project" of Japan. A dynamic response of a CGT-Generator rotating system was very much improved by introducing of "Assisting system" in which the generator was used as an acceleration-deceleration-assisting device when much acceleration or deceleration was needed. This system would make a CGT operate along the optimum operating line (fuel minlmum line) even under the unsteady driving conditions. This analysis showed that the fuel economy of an optimized CGT/Electric hybrid bus system would be expected to be about 2.7 times compared with a conventional diesel engine driven bus, and Nox emission would be approximately l/28.
公益社団法人日本ガスタービン学会の論文
2000-03-20