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Yunho Hwang, Ph.D., University of Maryland
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Suxin Qian, Ph.D., Xi’an Jiaotong University
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Yunlong Geng, Ph.D., University of Maryland
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Yi Wang, Ph.D., University of Maryland
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Jan Muehlbauer, University of Maryland
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Jiazhen Ling, Ph.D., University of Maryland
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Reinhard Radermacher, Ph.D., University of Maryland
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Ichiro Takeuchi, Ph.D., University of Maryland
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This paper presents the design of elastocaloric cooling system driven by hydraulic actuators. Ni-Ti tubes under axial compressive loading mode are used to provide cooling and heating. Those Ni-Ti tubes are enclosed in four identical beds, which are driven by two one-way hydraulic cylinders. Operated under the single-stage reverse Brayton cycle, the system achieves heat transfer and heat recovery by using a heat transfer fluid network controlled by solenoid valves. System coefficient of performance of 11.0 and temperature lift of 24.6 K are estimated based on a dynamic model developed in our previous study.
