Xu, Xiao Xiao; Chen, Guang Ming; Tang, Li Ming; Zhu, … - In: Energy 44 (2012) 1, pp. 870-877
Since the fixed ejector cannot adjust the optimum high-side pressure, the adjustable ejector is designed and built based on a transcritical CO2 heat pump system model results. The adjustable ejector is subjected to electrical pulses through the stepper motor which drives needle forward or...