抄録
Numerical simulation of heat and fluid flow has been performed to clarify the thermal conditions using for transient one-dimensional numerical simulations of a miniature standing wave thermoacoustic oscillator. Transient one-dimensional equations of continuity, momentum and energy were solved utilizing a TVD scheme. A simple physical model was used for the numerical simulation. As a result, it was found that the consideration of thermal radiation for the numerical analysis of a thermoacoustic oscillator is necessary because the temperature is very high at a heater. It was also found that the heat transfer between heater and wall has great influence on initial sudden temperature changes of a stack.
