Numerical investigation on a travelling wave thermoacoustic heat pump

Autor: Maroua BEN NASR, Mohamed Mehdi BASSEM, Yuki UEDA, Amenallah GUIZANI
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Journal of Thermal Science and Technology, Vol 13, Iss 2, Pp JTST0022-JTST0022 (2018)
Druh dokumentu: article
ISSN: 1880-5566
DOI: 10.1299/jtst.2018jtst0022
Popis: A thermoacoustic heat pump heater is a device having the ability to produce heat from acoustic power. The heat pump investigated was composed of an acoustic driver, a branched tube, and a looped tube. A porous component composed of many stacked steel screen meshes, called regenerator, was installed inside the looped tube. When an acoustic wave is supplied to the looped tube, filled with nitrogen gas at 0.5 MPa, heat pumping spontaneously occurs inside the regenerator. A numerical code was developed and tested. Then, the coefficient of performance was calculated for different temperatures by optimizing the regenerator flow channel radius and position inside the looped tube. It was found that the temperature affects considerably the regenerator optimum parameters.
Databáze: Directory of Open Access Journals