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What is a heat exchanger?

A heat exchanger is a device that circulates a liquid or gas through tubing inside it. Depending on whether your HVA unit is set to heating of cooling, the liquid or gas will be warmer or cooler than the ambient temperature. As air blows over the tubes of the heat exchanger, it absorbs the heat or cold from the tubes and changes the temperature on the home. Heat exchanger are found in refrigerators, water boilers and a wide range of appliances. Read below where Experts have given answers to heat exchanger questions.

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تم إضافة السؤال من قبل Salman Ahmed Rasheed , Sales Engineer - Danfoss Industrial & Refrigeration Controls / Copeland - Refrigerant Compressor , Khan Brothers
تاريخ النشر: 2015/11/20
Taher Abdel rahman Mohamed gamal
من قبل Taher Abdel rahman Mohamed gamal , Project & Sales Engineer , Dar Al bawadi For A/C contracting

heat exchanger is a device used to transfer heat between one or more fluids. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact.They are widely used in space heatingrefrigerationair conditioningpower stationschemical plantspetrochemical plantspetroleum refineriesnatural-gas processing, and sewage treatment. The classic example of a heat exchanger is found in an internal combustion engine in which a circulating fluid known as engine coolant flows through radiator coils andair flows past the coils, which cools the coolant and heats the incoming air.

akshay garg
من قبل akshay garg

heat exchanger is an equipment in that transfer of heat takes place from one substance to another by conduction ,convaction and radiation.

 

Abdulrahman Mohammed
من قبل Abdulrahman Mohammed , Mechanical Engineer , ABCD- SBG

In Simple sentence "Heat Exchanger" is a device used to transfer fluids from one or more fluids.... In Car Radiator is a Heat Exchanger transferring the heat in a liquid that has circulated through the engine to the air.

Abdu Samad
من قبل Abdu Samad , Mechanical Project Engineer , Tech Engineering L.L. C

A heat exchanger is a device to transfer heat between two fluids having diffrent temperature 

Depending on the purpose of usage heat exchanger can be classified into diffrent types like parallal flow&cross flow,shell&tube heat exchanger etc...

there are many engineering application we use heat exchangers

examples are:-

condensor and evoperator coils of vapour compression refrigration system

cooling coil of summer&winter air conditioning system

car radiator etc...

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abdul kareem
من قبل abdul kareem

A device for transferring heat from one medium to another body

suhail sha
من قبل suhail sha , chief artisan , department of health

its a device used to tranfer heat between fluids 

Usmanafzal Muhammad afzal
من قبل Usmanafzal Muhammad afzal , Chemical Engineer , Rupali Polyester

A heat exchanger is a device used for transferring heat. It finds it's application in energy conservation,either heating up or cooling down a process fluid, changing the phase of process fluid like in condensation of any fluid and refrigeration processes.

The size of exchanger depends upon the duty requirement. The type of exchanger depends upon the temperature range, allowable pressure drop and nature of fluids.

Common examples of application of heat exchangers are vapor compression and absorption chillers, condensers and reboilers in distillation process and air conditioners.

Mrityunjai jha
من قبل Mrityunjai jha , Technical & Business development executive. , Shivaji Technical Accociation

Heat which is the most crucial source of energy. 

But overheating can damage the machines, or systems. 

 

Exchange of heat are by.

A) By plates, increasing the circumference, for reduction of Temperatures. 

B) By water air, or any other coolant to extract heat.

Hussein Hussein
من قبل Hussein Hussein , PhD Student , Ulster University

Simply, the heat exchaner is a device or a machine that contains two materials (liquids, gases or both) which one of them is a higher temperature than the other to cause a heat transfer process from the hot to the cold. 

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