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The patterns of primary flow jet core in steam ejector were investigated using computational fluid dynamics (CFD) method. Simulations based on ideal gas model at different operating conditions were performed. The results demonstrate the pattern of primary pseudo-shock flow was affected by the operating conditions obviously when value of operating condition was bigger than that of the critical condition...
In this study, the cause of the boundary layer separation, the determination of the separated region and the effect of the boundary layer separation on ejector performance were comprehensively investigated. The boundary layer separation inside the ejector was studied by using CFD method. A steam ejector refrigeration experimental system was set up to verify the numerical model. The degree of boundary...
In order to improve the energy efficiency of air conditioning systems in computer rooms, this paper proposed a new concept of integrating evaporative cooling air-conditioning system with heat pipes. Based on a computer room in Shenyang, China, a mathematical model was built to perform transient simulations of the new system. The annual dynamical performance of the new system was then compared with...
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