TY - JOUR
AU - Jin, Tao
AB - Thermoacoustic engine is a kind of novel heat engine based on thermoacoustic effect, with the merits of environmental benignity, simplicity, and reliability. In this work, looped travelling‐wave thermoacoustic electric generators (LTTEGs) with one to four thermoacoustic stages have been developed and experimentally studied. It is observed that adding thermoacoustic stages can improve the thermal‐electric efficiency of LTTEGs, while whether the extra stages lead to efficiency gain depends on the number of existing stages and other operating parameters (hot temperature, for instance). One main reason is that the Gedeon streaming, which might cause severe heat loss, can be enhanced by adding thermoacoustic stages and increasing hot temperature. The results suggest that the suppression of streaming in the looped thermoacoustic engine with multiple stages is even more urgent than in the traditional travelling‐wave engine with only one stage.
TI - Performance comparison of looped thermoacoustic electric generators with various thermoacoustic stages
JF - International Journal of Energy Research
DO - 10.1002/er.4998
DA - 2020-02-01
UR - https://www.deepdyve.com/lp/wiley/performance-comparison-of-looped-thermoacoustic-electric-generators-nBNAKGjNps
SP - 1103
EP - 1112
VL - 44
IS - 2
DP - DeepDyve
ER -