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- The research of Reverse Brayton cycle cryogenic refrigerator will prompt the development of space technology. 同时 ,对逆布雷顿循环低温制冷机的研究有利于空间和宇航制冷技术的发展。
- According to the results,Rankine cycle and Brayton cycle are advised to recycle LNG physical exergy. 依据研究结果,提出了采用Rankine循环和Brayton循环的方法来实现LNG物理回收利用。
- The Brayton cycle with LN_2 precooling and internal cryogenic adsorption purifier are adopted. 采用了液氮预冷的布雷顿循环和低温吸附内纯化器。
- With analysis, the program as best as possible is selected: the mixed refrigerant Brayton cycle. 该流程结构简单,设备可靠,便于集成一体化以适应车辆装载要求,可实现快速机动部署;
- A small air refrigerator test rig based on reverse Brayton cycle with foil journal bearings was rebuilt. 本文在原有试验样机的基础上,进行了必要的优化和改进,重新搭建了一套采用逆布雷顿循环,流量为30Nm3/h的小型空气制冷机系统实验台,重新设计了系统各部件:透平膨胀机,换热器和冷箱等。
- The results obtained here may provide theoretical basis for the design of a Brayton cycle working under quantum degeneracy conditions. 所得结论可对量子简并条件下工作的布雷顿热机的设计提供理论依据.
- The hybrid system of Brayton cycle and ambient pressure gas turbine cycle(APGC)was described and the results of performance study was presented. 环境压力吸热燃气轮机循环(APGC)能够吸收发电装置排出的低压废气能量,增加系统本身的做功能力和效率,达到节能、减少燃料消耗的目的。
- Theoretical analysis shows that the ratio of the heating load for Brayton cycle to that for Carnot cycle approaches a value of one when the factor approaches infinity. 理论分析表明,只有当工质的热容率趋于无穷大时,布雷顿循环才能达到卡诺循环的性能。
- Finite-time thermodynamics is applied to analyze the performance of a real closed inter-cooled regenerated Brayton cycle coupled to variable-temperature heat reservoirs. 用有限时间热力学方法分析了变温热源条件下实际闭式中冷回热布雷顿循环的性能,导出了无因次功率及效率的解析式。
- Wang Wenhua,Chen Lingen,Sun Fengrui.New analysis of a real closed intercooled regenerated brayton cycle[J].Journal of Engineering Thermophysics,2003,24(3):371-374. [7]王文华;陈林根;孙丰瑞.;实际闭式中冷回热布雷顿循环新析[J]
- A small air refrigerator test rig based on reverse Brayton cycle and a cryogenic turboexpander( )with self-acting gas bearings were rebuilt and developed. 本文在原有试验样机的基础上,进行了必要的优化和改进,重新搭建了一套采用逆布雷顿循环,流量为 的小型空气制冷机系统实验台,并成功地将全动压气体轴承低温透平膨胀机应用在空气制冷机上。
- The proposed Brayton cycle and supercritical Rankine cycle are simulated and compared, with the integration of LNG supercritical and subcritical evaporation processes, respectively. 作为前期研究,本文建议了两种新循环,分别基于Brayton循环与超临界Rankine循环,且分别适用于LNG超临界及亚临界汽化过程。
- Exergy analysis of the cycle based on the simplifying the hybrid gas turbine cycle model (Braysson) has been performed using the second law of thermodynamics and been compared with the performance of Brayton cycle. 在对混合燃气透平布雷逊( Braysson)循环原有模型作适当简化的基础上用热力学第二定理对此循环作火用分析,并与布雷顿( Brayton)循环特性作了比较
- A small cold air refrigerator based on the reverse Brayton cycle is developed,and a new type of foil journal bearing is used in the turbo expander which is the key component of cold air refrigerator. 设计了一台小型透平 逆布雷顿循环空气制冷机 ,并将一种新型的箔片径向气体轴承应用在该制冷机系统的透平膨胀机上。
- Finite-time thermodynamics is applied to analyze the performance of a real closed inter-cooled regenerated Brayton cycle coupled to variable-temperature heat reservoirs. Analytical formulae of dimensionless power and efficiency are derived. 用有限时间热力学方法分析了变温热源条件下实际闭式中冷回热布雷顿循环的性能,导出了无因次功率及效率的解析式。
- It can be seen that solar dynamic power system is an advanced project of power supply in space station, among which closed Brayton cycle is likely to be technically realized in the near future. 太阳能热动力系统具有高效率 ,紧凑和可靠性好等优点 ,长期运行的费用低 ,是一种先进的太阳能电源方案 ,其中闭式Brayton循环是技术上最有可能近期实现的电源
- Theoritical analysis shows that the optimal power output of the Brayton cycle is higher than that ofthe Carnot cycle under the same specified boundary conditions. The former can be twice as high as thelatter in the limit case. 理论分析表明,在相同的边界条件和热效率下,布雷顿循环的功率可以高于卡诺循环的功率,极限情况下前者是后者的两倍。
- It has been proved by computation and experimental verification that the mixture of R290,R152a, R600a having larger unit mass refrigerating capacity and unit mass output work is an ideal working medium for the reverse Brayton cycle. 计算及实验验证表明由R2 90、R1 5 2a、R6 0 0a组成的混合物具有较大的单位质量制冷量和单位质量输出功 ,是逆向布莱顿循环较理想的制冷工质。
- It is shown that the work output of a Brayton heat engine working with ideal Bose gases is greater that of a classical Brayton cycle and the quantum degeneracy of the gas does not affect the efficiency of the cycle. 结果表明;以理想玻色气体为工质的布雷顿热机的输出功比以理想气体为工质的大;而热机效率不受量子简并性的影响.
- Reverse Brayton cycles of helium, the primary form of helium refrigeration, are widely used in cryogenic engineering. 在大量的科学研究和低温工程领域中,氦气制冷技术被广泛应用,逆布雷顿制冷循环则是其主要的循环制冷方法。