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The first of the cooling load factors used in this method is the CLTD, or the Cooling Load Temperature Difference. This factor is used to represent the temperature difference between indoor and outdoor air with the inclusion of the heating effects of solar radiation. [1] [5] The second factor is the CLF, or the cooling load factor.
Newton's law is most closely obeyed in purely conduction-type cooling. However, the heat transfer coefficient is a function of the temperature difference in natural convective (buoyancy driven) heat transfer. In that case, Newton's law only approximates the result when the temperature difference is relatively small.
Conversely, cool air falls to the floor as it is heavier than the surrounding warmer air. [citation needed] In a stratified building, temperature differentials of up to 1.5°C per vertical foot is common, and the higher a building's ceiling, the more extreme this temperature differential can be. [2]
The temperature settings for air conditioning in stores and businesses can vary based on several factors, including the type of business, the climate, and the comfort preferences of customers and ...
A 2021 Consumer Reports survey found people with central air conditioning set it to a median temperature of 72 degrees, considerably cooler than the energy-saving recommendation. None of the ...
The maximum EER decreases as the difference between the inside and outside air temperature increases, and vice versa. In a desert climate where the outdoor temperature is 120 °F (49 °C), the maximum COP drops to 13, or an EER of 46 (for an indoor temperature of 80 °F (27 °C)).
In thermal engineering, the logarithmic mean temperature difference (LMTD) is used to determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers. The LMTD is a logarithmic average of the temperature difference between the hot and cold feeds at each end of the double pipe exchanger.
The third most popular AC temperature, with 243 votes, is 76 to 78 degrees. Among the least popular poll results were temperatures of 68 or lower and 79 or higher.