The results show that the effect of combustion efficiency on chamber pressure is limited, nozzle loss is mainly caused by its structure and size.
研究表明，补燃室压强的变化对燃烧效率的影响是有限的，喷管损失主要与喷管结构尺寸有关；
The effects of the velocity distribution uniformity on conversion efficiency and durability and pressure loss on engine power and fuel economy have been discussed.
讨论了流速分布均匀性对催化转化器转化效率和载体寿命的影响；压力损失对发动机动力性、经济性的影响。
The pressure loss and separation efficiency under various temperature conditions of cyclones has been numerically studied.
对不同温度条件下旋风分离器的压力损失和分离效率进行了数值研究。
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