微型燃机的特点决定了这种回热器必须具有体积小、重量轻、回热度高、可靠性好以及易于生产制造等特点。
It must be a kind of recuperator which has small volume, light weight, high recuperated effectiveness and high reliability for using on micro gas turbine.
通过改变微燃机回热度、温比、压比，分析了不同季节联供系统的系统效率、制冷或供热效率、微燃机发电效率、二次余热回收效率的变化；
The system efficiency, cooling or heating efficiency, residual heat efficiency on CCHP in different seasons are analyzed through changing heat recover ratio, temperature ratio and pressure ratio.
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