what is heat exchange. write equation also.
Answers
Answer:
A heat exchanger is a system used to transfer heat between two or more fluids. Heat exchangers are used in both cooling and heating processes.[1] The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact.[2] They are widely used in space heating, refrigeration, air conditioning, power stations, chemical plants, petrochemical plants, petroleum refineries, natural-gas processing, and sewage treatmen
Explanation:
The following equation relates to the heat transferred from one system to another
Q=c×m×ΔT
Where
Q = Heat supplied to the system
m = mass of the system
c = Specific heat capacity of the system and
ΔT = Change in temperature of the system.
The transfer of heat occurs through three different processes, which are mentioned below.
Conduction
Convection
Radiation
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A heat exchanger is a system used to transfer heat between two or more fluids. Heat exchangers are used in both cooling and heating processes.
Q = U A ΔTlm
if values are known or can be estimated for Q, U and ΔTlm. Heat exchanger theory tells us that ΔTlm is the right average temperature difference to use.