Intercoolers for aerospace propulsion applications are heat-transfer devices installed between compression stages to reduce charge-air temperature, covering air-to-air and air-to-liquid core designs fabricated from titanium, aluminium alloy, or nickel superalloy, and encompassing plate-fin, tube-and-fin, and corrugated-passage architectures manufactured via brazing, diffusion bonding, or additive layer manufacturing to meet demanding pressure-drop and thermal-efficiency requirements.
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