Practically all the operations that are carried out by the chemical engineer involve the production or absorption of energy in the form of heat.The laws governing the transfer of heat and the type of apparatus that have for their main object the control of heat flow are therefore of importance. When two objects at different temperatures are brought into thermal contact,heat flows from the object at the highet temperatuer to that at the lower temperat
Practically all the operations that are carried out by the chemical engineer involve the production or absorption of energy in the form of heat.The laws governing the transfer of heat and the type of apparatus that have for their main object the control of heat flow are therefore of importance.
When two objects at different temperatures are brought into thermal contact,heat flows from the object at the highet temperatuer to that at the lower temperature.The net flows is always in the direction of the temperature decrease.The mechanisms by which the heat may flow are three:conduction,convection,and radiation.怎么翻译成中文呢,谁能告诉我,谢谢
事实上,化学工程师所进行的所有操作中,都要涉及到以热量为表现形式的能量的产生和吸收.因此,那些决定了热量转移和为实现控制热量流动需要的仪器种类的法则就很重要了.
当两个不同温度的物体发生热接触时,热量就会从温度高的物体流向温度低的物体.热量流动总是向着温度降低的方向进行的.发生热量流动的三种机制为：热传导,热对流和热辐射.