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English: Cross-section of a straight-tube (2-pass on tube side) shell-and-tube heat exchanger. Arrows indicate fluid flow paths on both shell and tube sides. Arrows indicate fluid flow paths on both shell and tube sides.
Remove this file once wikimedia's servers start rendering mid-marks and dashed strokes correctly. Schematic of a spiral heat exchanger cross-section. The hot medium 1 warms the cold medium 2 flowing in the opposite direction (and, respectively, medium 2 cools medium 1 down)
English: Cross-sectional diagram of a U-tube Heat Exchanger (shell-and-tube type). Arrows show fluid flow pathways on both shell and tube sides. Arrows show fluid flow pathways on both shell and tube sides.
The number of transfer units (NTU) method is used to calculate the rate of heat transfer in heat exchangers (especially parallel flow, counter current, and cross-flow exchangers) when there is insufficient information to calculate the log mean temperature difference (LMTD). Alternatively, this method is useful for determining the expected heat ...
This diagram is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Vector version. The original can be viewed here: Crossflow diagram.PNG: . Modifications made by Zerodamage.
A shell-and-tube heat exchanger is a class of heat exchanger designs. [1] [2] It is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higher-pressure applications. As its name implies, this type of heat exchanger consists of a shell (a large pressure vessel) with a bundle of tubes ...
The total rate of heat transfer between the hot and cold fluids passing through a plate heat exchanger may be expressed as: Q = UA∆Tm where U is the Overall heat transfer coefficient, A is the total plate area, and ∆Tm is the Log mean temperature difference. U is dependent upon the heat transfer coefficients in the hot and cold streams.
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