结果表明，U型弧底节流孔具有更大的压降和更高的热力学效率。
It is shown that the U-bottom orifice has higher total pressure drop and (thermodynamic) efficiency.
由于热力学和实际限制，发电的效率只有33%。
However, due to various thermodynamic and practical constraints, the efficiency of the plants is only about 33%.
本文从有限时间热力学观点出发，导出有限时间约束条件下闭式燃气轮机循环的最大功率输出及其相应的效率界限。
Based upon the theory of finite time thermodynamics, this paper derives the maximum power output and the corresponding efficiency bound for a finite time closed-Brayton cycle gas turbine.
本文研究了温差能驱动装置的循环过程，从热力学的角度分析了它的热循环机理，给出了装置热效率的估算方法。
This thesis investigates the circulation processes of the drive-device, analyses the principle of heat circulation processes and shows the way to estimate the device's thermal efficiency.
根据间接蒸发冷却过程的热力学特性，定义了间接蒸发冷却器的火用效率计算公式。
The exergy efficiency of indirect evaporative cooler is defined based on analyzing the thermodynamic performance of heat and mass transfer process.
同时介绍利用上述基本热力学数据计算石油天然气膨胀机制冷过程等熵效率；
The basic data thus obtained could be used for the calculation of the isentropic efficiency in the expanding process of natural gas in refrigeration.
对金属化胶体推进剂的热力学、流变学、燃烧及燃烧效率等的分析研究表明，金属化胶体推进剂性能与金属粉末的添加量和金属半径有关；
The thermodynamics, rheology, combustion of metallized gelled propellants(MGPs) are analysed. It is showed that the performance of MGPs is related to the amount and grain size of metal power added.
对金属化胶体推进剂的热力学、流变学、燃烧及燃烧效率等的分析研究表明，金属化胶体推进剂性能与金属粉末的添加量和金属半径有关；
The thermodynamics, rheology, combustion of metallized gelled propellants(MGPs) are analysed. It is showed that the performance of MGPs is related to the amount and grain size of metal power added.
应用推荐