...一定义，助燃空气温度低于燃气自燃温度时，无法被称之为高温 空气（Highly PreheatedAir），只能称之为预热空气（Preheated Air）。J．Wiinning［12】认为 无焰燃烧的实现不一定涉及高温空气及低氧。
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preheated-air blast 预热送风
preheated air temperature 预热风温
gasification with preheated air 预热空气气化
air-preheated 空气预热器
rotary air preheated 空气预热器
The simulation results show that when preheated air temperature increases the maximum temperature gets larger, the temperature gradient becomes lower and the flame length longer.
模拟计算结果表明，提高空气预热温度，炉内温度的峰值相应增大，温度梯度降低，温度分布更均匀，火焰更长。
Using the car's vents might circulate enough air to keep you comfortable on days when the weather isn't particularly hot or when the car's interior hasn't been preheated by sitting in the sun.
利用车内的出风口可能就有足够的空气流通，让你在天气不太热、或是车内没有被太阳晒得很热的情况下感到舒适。
Before mixing with the products of combustion, the air is preheated.
空气在与燃烧生成物混合之前要进行预热。
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