[PDF] Top 20 Experimental and Numerical Study on Supersonic Ejectors Working with R-1234ze(E)

... like R-404A or R-134a the throttle valve that feeds the evaporator operates at a pressure difference between the condenser and the evaporator of 500 kPa or ... See full document

... The performance line of the ejector can be seen in figure 6. Based on the calculated values of the mass flow rates, the maximum entrainment ratio in the on-design regime is approximately 0.68. This value remains almost ... See full document

... planar E- shaped textile antenna and study its performance numerically and ...wide working band ...to study the performance changes of antenna in different states which may be experienced in ... See full document

... Effective mixing of two supersonic streams in a short mixing chamber is a major challenge. Active and passive methods are used to enhance the mixing. Nozzle geometry, different nozzle configurations a concept of ... See full document

... on ejectors to optimize operating conditions like evaporator temperature, condenser temperature and generator ...the working fluid used. Parametric analysis was performed to study the effect of ... See full document

... A numerical and experimental study of the development and interaction of con- trolled disturbances from two point sources in a supersonic boundary layer on a flat plate with a Mach number ...a ... See full document

... between experimental data and numerical for ...other working fluids. Yarshi [8] theoretical study to analyses the effects of different in the shape of tubes for flat plate solar ...The ... See full document

... A basic one-dimensional analytical model for calculation of the optimum ejector geometry for a wide range of operating conditions is derived by solving a set of coupled differential equations representing the ... See full document

... Further understanding of the micro ramp flow organization was accomplished through numerical methods. By using implicit large eddy simulation (ILES), Li&Liu [9] visualized the ring-shaped vortices shedding ... See full document

... with numerical and experimental investigation of the flow in an air to air supersonic ejector with constant area mixing ...All numerical simulations were performed in the ANSYS Fluent ... See full document

... present numerical investigation aims to study the dynamics of Deflagration to Detonation Transition (DDT) in inhomogeneous hydrogen/air mixtures and examine the effects of obstacle blockage ratio in ...the ... See full document

... the experimental conditions, the bubble volume increased with increases in the shear stress of the liquids, the gas flow rate, gas chamber volume and inner nozzle ... See full document

... Abstract. The article deals with a description of results from research and development of a radial compressor stage with 3D rotor blades. The experimental facility and the measurement and evaluation process is ... See full document

... The numerical algorithm of supersonic-nozzle de- sign is particularly sensitive to stability in the region of su- personic flow ([1 ] to [5]). Although the application of nu- merical methods is very common ... See full document

... 16 In the present study, five-minute time interval was taken to determine theequivalent hourly traffic flow rate. Accordingly, the speed-volume data were collected in terms of 5-minute time intervals. In manual ... See full document

... In this study, the shear test apparatus with shear box size of 6 cm x 6 cm x 6 cm and the concrete specimens of size 6 cm x 6 cm x 1.4 cm. The concrete specimens were prepared by sand, cement, and water mixing ... See full document

... Comparative study of canny edge detection with that of Sobel filter is performed and it has been observed that canny edge detection is better than Sobel ... See full document

... against experimental data despite a two-way ...present study into account, the validity of more elaborately coupled modelling is therefore not only a question of design, gas operating conditions and ... See full document

... an experimental study carried out on chain of simply supported beams under flexure and torsion, concrete beam reinforced with BFRP bars compared to the concrete beam reinforced with steel ... See full document

... [9] Zebbiche T. and Youbi Z., “Supersonic plug nozzle design at high temperature. application for air,” Chinese Journal of Aeronautics, Vol. 20, N° 1, PP. 15-28, 2007. [10] Peterson C. R. and Hill P. G., ... See full document