Ercang Luo

Chinese Academy of Sciences

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Jianying Hu

Technical Institute of Physics and Chemistry

Zhanghua Wu

Technical Institute of Physics and Chemistry

Guoyao Yu

Technical Institute of Physics and Chemistry

Wei Dai

Guangxi University

Jingyuan Xu

Aerospace Information Research Institute

Wei Dai

Technical Institute of Physics and Chemistry

Xiaotao Wang

Technical Institute of Physics and Chemistry

Kaiqi Luo

Tsinghua University

Yanyan Chen

Chongqing Metrology Quality Inspection and Research Institute

Yuan Zhou

Fuzhou University

Cooperative Institutions

Chinese Academy of Sciences

206

Fermi National Accelerator Laboratory

178

Linde (United States)

176

Michigan State University

169

Cryogenic Industries (United States)

167

European Organization for Nuclear Research

167

Technical Institute of Physics and Chemistry

160

Cryomagnetics (United States)

150

University of Chinese Academy of Sciences

142

Tsinghua University

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EXPERIMENTAL DEMONSTRATION OF A NOVEL HEAT EXCHANGE LOOP USED FOR OSCILLATING FLOW SYSTEMS

AIP conference proceedings (2008)

Bin Gao Zhanghua Wu Ercang Luo Wei Dai J. G. Weisend

This paper describes a non-resonant self-circulating heat exchanger which uses a pair of check valves to transform oscillating flow into steady flow that allows the oscillating flow system's own working gas to go through a physically remote high-temperature or cold-temperature heat source. Unlike traditional heat exchangers used in thermoacoustic systems, the length of the non-resonant self-circulating heat exchanger is not limited by the peak-to-peak displacement. In addition, it is also different from the resonant self-circulating heat exchanger that needs a specific resonant length. This invention may lead to easy design and fabrication of heat exchangers for oscillating-flow refrigeration system with large capacity. To verify this idea, we have built an experimental system by incorporating such a heat exchanger loop with a mechanical pressure wave generator. Measurements of heat transfer of the heat exchanger loop under different operating conditions including mean pressure, and operating frequency, etc. have been made. Our experiments have demonstrated its feasibility and flexibility for practical applications.

10.1063/1.2908462

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Citations (3)

Dynamic and thermodynamic characterization of a resonance tube-coupled free-piston Stirling engine-based combined cooling and power system

Applied Energy (2022)

Haojie Sun Guoyao Yu Wei Dai Limin Zhang Ercang Luo

Thermoacoustics

Piston (optics)

Thermoacoustic heat engine

Carnot cycle

Exergy efficiency

10.1016/j.apenergy.2022.119437

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Citations (16)

Experimental study of the influence of cold heat exchanger geometry on the performance of a co-axial pulse tube cooler

Cryogenics (2016)

Xiaomin Pang Wei Dai Xiaotao Wang Srinivas Vanapalli Ercang Luo

Cooling capacity

10.1016/j.cryogenics.2016.07.008

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Citations (6)

Thermoacoustic refrigeration with compressible liquid as working fluid

International Journal of Refrigeration (2024)

Rui Yang Yupeng Yang Jingyuan Xu Zhanghua Wu Ercang Luo

Working fluid

10.1016/j.ijrefrig.2024.03.016

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Citations (2)

Performance of a 260 Hz pulse tube cooler with metal fiber as the regenerator material

AIP conference proceedings (2014)

Xiaotao Wang Shuang Zhang Guoyao Yu Wei Dai Ercang Luo

Pulse tube coolers operating at higher frequency lead to a high energy density and result in a more compact system. This paper describes the performance of a 300 Hz pulse tube cooler driven by a linear compressor. Such high frequency operation leads to decreased thermal penetration, which requires a smaller hydraulic diameter and smaller wire diameter in the regenerator. In our previous experiments, the stainless steel mesh with a mesh number of 635 was used as the regenerator material, and a no-load temperature of 63 K was obtained. Both the numerical and experimental results indicate this material causes a large loss in the regenerator. A stainless steel fiber regenerator is introduced and studied in this article. Because this fiber has a wide range of wire diameter and porosity, such material might be more suitable for higher frequency pulse tube coolers. With the fiber as the regenerator material and after a series of optimizations, a no-load temperature of 45 K is acquired in the experiment. Influences of various parameters such as frequency and inertance tube length have been investigated experimentally.

Inertance

Pulse tube refrigerator

10.1063/1.4860753

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Citations (0)

Performance of a Stirling-Type Pulse Tube Cooler for High Efficiency Operation at 100 Hz.

Xiaotao Wang Wei Dai Jianying Hu Ercang Luo Yuan Zhou

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Citations (9)

Study of the single-stage mixed-gases refrigeration cycle for cooling temperature-distributed heat loads

International Journal of Thermal Sciences (2003)