题目内容
The thermal conductivity of the insulation material outside the tube is 0.08W/m.K. The convection heat transfer coefficient outside the tube is 8W/m2.K. What is the critical insulation diameter of the tube?
查看答案
搜索结果不匹配？点我反馈
更多问题
A heat exchanger had an overall heat transfer coefficient of 70W/m2K when it was firstly used, and the heat transfer coefficient decreased to 50W/m2K after 1 year of use. What is the thermal resistance of fouling ?
Which of the shell and tube heat exchanger is easier to scale, helical baffles or segmental baffles?
Which of the following methods cannot be used to reduce the thermal resistance of fouling inside the tube
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?
微信支付 
支付宝支付