What are heat exchangers PPT?
A heat exchanger is a piece of equipment built for efficient heat transfer from one medium to another. They are widely used in space heating, refrigeration, air conditioning, power plants, chemical plants, petrochemical plants, petroleum refineries, natural gas processing and sewage treatment.
What is heat exchanger PDF?
A heat exchanger is a heat transfer device that exchanges heat between two or more process fluids. Many types of heat exchangers have been developed for use in steam power plants, chemical processing plants, building heat and air conditioning systems, transportation power systems, and refrigeration units.
What is heat exchanger and types of heat exchanger?
A heat exchanger is a system used to transfer heat between two or more fluids. Another example is the heat sink, which is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant.
What is heat transfer Slideshare?
Heat Transfer Definition: Heat transfer is the process of transfer of heat from high temperature system to a low temperature system. In the thermodynamic system, heat transfer is the movement of heat across the boundary of the system due to temperature difference between the system and surrounding.
What are the types of heating?
Types of Heating Systems
- Furnaces. The majority of North American households depend on a central furnace to provide heat.
- Boilers. Boilers are special-purpose water heaters.
- Heat Pumps.
- Gas-Fired Space Heaters.
- Unvented Gas-Fired Heaters: A Bad Idea.
- Electric Space Heaters.
- Wood-Burning and Pellet Stoves.
- Fireplaces.
What are the 3 modes of heat transfer?
The three types of heat transfer Heat is transfered via solid material (conduction), liquids and gases (convection), and electromagnetical waves (radiation).
What is the function of a heat exchanger?
A heat exchanger is a device that is used to transfer thermal energy (enthalpy) between two or more fluids, between a solid surface and a fluid, or between solid particulates and a fluid, at different temperatures and in thermal contact.
How are the plates arranged in a heat exchanger?
The plates are pressed to form troughs at right angles to the direction of flow of the liquid which runs through the channels in the heat exchanger. These troughs are arranged so that they interlink with the other plates which forms the channel with gaps of 1.3– 1.5 mm between the plates.
Where are heat exchangers found in the food industry?
Heat exchangers are found widely scattered throughout the food process industry. Simplified heat exchanger concepts: the naturally of heat is to flow from lower temperature to higher temperatures.
What is an adiabatic wheel heat exchanger used for?
Adiabatic Wheel Heat Exchanger: Adiabatic heat exchanger, an intermediate fluid is used to store heat, which is transferred to the opposite side of the exchanger unit. What is a Heat Exchanger? Here we are giving you Heat Exchanger Seminar and PPT with PDF report.