Tubular heat exchanger
- These exchangers are generally built of circular tubes, although elliptical, rectangular, or round/flat twisted tubes.
- Tubular exchangers can be designed for high pressures relative to the environment and high-pressure differences between the fluids.
- Tubular exchangers are used primarily for liquid-to-liquid and liquid-to-phase change (condensing or evaporating) heat transfer applications.
- They are used for gas-to-liquid and gas-to-gas heat transfer applications primarily when the operating temperature and/or pressure is very high or fouling is a severe problem on at least one fluid side and no other types of exchangers would work.
- These exchangers may be classified as
- Shell-and tube heat exchangers
- Double-pipe heat exchangers
- Spiral tube heat exchangers
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