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Based on: Industry Standards and Best Practices

Languages: English

Sample Transcript

Heat exchangers can also be classified by their design and construction. There are four basic designs. One, tubular. Two, plate. Three, extended surface. And four, regenerative. A tubular heat exchanger consists of a set of tubes, the tube bundle typically contained within a shell. Thus, the name Shell and Tube Heat Exchanger. The tubes contain one fluid and the second fluid runs over or around the tubes, to either supply heat to or remove heat from the tube surfaces.

Heat Exchanger Basics

Training Time: 23 minutes

Heat exchangers are typically used to transfer heat between fluids using conduction, convection, and radiation. This course details the three heat transferring methods used by heat exchangers as well as how heat exchangers are classified. It also illustrates common heat exchangers types such as shell-and-tube, plate, extended surface, and regenerative heat exchangers.

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Training Content + Interactive Quizzes
Heat transfer transmits energy from one region to another as a result of temperature differences.

Heat transfer transmits energy from one region to another as a result of temperature differences.

In a regenerative heat exchanger, a heat storage medium is utilized to transfer heat between fluids.

In a regenerative heat exchanger, a heat storage medium is utilized to transfer heat between fluids.

Shell and tube heat exchangers are the most common type of heat exchanger used in industrial applications.

Shell and tube heat exchangers are the most common type of heat exchanger used in industrial applications.

Learning Objectives

  • Describe the purpose of heat exchangers
  • Differentiate between co-current and counter-current flow arrangements
  • List some variables which affect heat transfer
  • Describe the construction of a typical heat exchanger
  • Describe different exchanger types and their strengths
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Heat Exchanger Basics FAQs

What is a heat exchanger?
Heat exchangers are typically used to transfer heat between fluids, and their theory of operation is based on the 2nd law of thermodynamics.

What is the definition of heat transfer?
Heat transfer is defined as the transmission of energy from one region to another as a result of a temperature difference between them.

How are heat exchangers classified?
Heat exchangers can be classified in several different ways, and include: transfer process, design and construction, flow arrangement, and surface compactness.

What variables determine the rate of heat transfer in a heat exchanger?
The rate of heat transfer in a heat exchanger depends on: surface area of the contacting surface, the temperature different between the two fluids, and the thermal conductivity of the surface materials and the heat transfer coefficient.

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