题目内容
In the steady-state heat transfer, the temperature difference is constant. In order to increase the heat transfer, which of the following methods cannot be used?
查看答案
搜索结果不匹配？点我反馈
更多问题
To enhance the single-phase forced convection heat transfer on the air side, the commonly used methods generally do not include:
Which of the following is not an effective measure to enhance heat transfer?
The hot fluid A is used to heat oil in a heat exchanger. The inlet and outlet temperature for A is 300℃ and 200℃, and the oil is heated from 25℃ to 175℃, so the downstream logarithmic mean temperature difference of the two fluid is ?
The hot fluid A is used to heat oil in a heat exchanger. The inlet and outlet temperature for A is 300℃ and 200℃, and the oil is heated from 25℃ to 175℃, so the upstream logarithmic mean temperature difference of the two fluid is ?
微信支付 
支付宝支付