Definition

1. Noun:
   • A device for transferring thermal energy between two or more fluids: A "heat exchanger" is a piece of equipment built for efficient heat transfer from one medium to another, typically without allowing the mediums to mix. The fluids are often separated by a solid wall to prevent mixing or direct contact.

Usage Examples

• Noun:
  • The car's radiator is a type of heat exchanger that cools the engine coolant.
  • Industrial plants use large heat exchangers to recover waste heat from exhaust gases.
  • The efficiency of the heating system depends on a properly functioning heat exchanger.

Advanced Usage

• "Primary heat exchanger": Often refers to the main exchanger in a system where the initial, high-energy heat transfer occurs.
  • The furnace's primary heat exchanger is designed to withstand very high temperatures.
• "Plate heat exchanger": A specific type where heat is transferred through a series of metal plates.
  • For this application, a compact plate heat exchanger is more efficient than a shell-and-tube design.

Variants and Related Words

• Heat exchange (n): The process or action of transferring thermal energy between systems.
  • The heat exchange between the ocean and the atmosphere influences climate.
• Exchanger (n): A general term for a device that facilitates an exchange (e.g., heat exchanger, ion exchanger).
  • The technician inspected the exchanger for any signs of corrosion.

Synonyms

• Thermal exchanger: A less common but technically accurate synonym.
• Recuperator: Specifically refers to a type of heat exchanger that recovers waste heat, often from exhaust streams.

Related Phrases

• Shell and tube heat exchanger: A common design consisting of a shell (a large pressure vessel) with a bundle of tubes inside it.
  • The chemical process requires a robust shell and tube heat exchanger.
• Fouling of a heat exchanger: A technical phrase describing the accumulation of unwanted material on heat transfer surfaces, which reduces efficiency.
  • Regular maintenance is required to prevent fouling of the heat exchanger.

Noun

1. device that transfers heat from one liquid to another without allowing them to mix