develops a new type of swirling cold air diffuser and tests its performance in aspects of aerodynamics, cold air supply and noise.
研制了一种旋流式低温 送风口,并进行了空气动力学、低温送风及噪声测试。
a new swirling cold air diffuser has been researched after tests of aerodynamics, the velocity field, the temperature field and yawp.
对新研制的一种旋流式低温送风口进行了空气动力、速度场、温度场及噪声测试。
therefore, it has important meaning to introduce in and digest the present cold air diffuser products from foreign countries and do some research on it.