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Air cooled clothing is a term for clothing that actively cools down the wearer. It has primarily been used by workers in areas where air conditioning systems cannot be easily installed, such as tunnels and underground construction sites. Air-cooled clothing on the market does not operate by actually cooling down the air, as a room AC unit does.
A liquid cooling garment (LCG) is a form-fitting garment that is used to remove body heat from the wearer. It is commonly used in environments where evaporative cooling from sweating and open-air convection cooling does not work or is insufficient, or when the wearer has a biological problem that hinders self-regulation of body temperature.
A cooling vest is a piece of specially made clothing designed to lower or stabilize body temperature and make exposure to warm climates or environments more bearable. [1] [2] Cooling vests are used by many athletes, construction workers, and welders, as well as individuals with multiple sclerosis, hypohidrotic ectodermal dysplasia, or various types of sports injuries.
Because air movement can provide direct cooling to people, particularly if they are not wearing much clothing, higher temperatures can be more comfortable than the PMV model predicts. Air speeds up to 0.8 m/s (2.6 ft/s) are allowed without local control, and 1.2 m/s is possible with local control.
Camels conserve water by cooling exhaled air during the night, extracting water vapor from the exhaled air, and absorbing and holding onto water molecules from the surrounding air.
This environmental chamber study compared physiological responses of volunteers exercising in MOPP 0, MOPP 1, and MOPP 4 with equivalent SIPE configurations, including SIPE 4 with and without ambient air microclimate cooling (MCC). Responses to all uniforms were compared over 100 minutes of continuous treadmill walking at 30.0 deg C, 50% rh.