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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.
The cooling load [3] is calculated to select HVAC equipment that has the appropriate cooling capacity to remove heat from the zone. A zone is typically defined as an area with similar heat gains, similar temperature and humidity control requirements, or an enclosed space within a building with the purpose to monitor and control the zone's temperature and humidity with a single sensor e.g ...
Sol-air temperature (T sol-air) is a variable used to calculate cooling load of a building and determine the total heat gain through exterior surfaces.It is an improvement over:
Thermal comfort calculations in accordance with the ANSI/ASHRAE Standard 55, [1] the ISO 7730 Standard [7] and the EN 16798-1 Standard [8] can be freely performed with either the CBE Thermal Comfort Tool for ASHRAE 55, [9] with the Python package pythermalcomfort [10] or with the R package comf.
According to CEDEnginereing, "For strictly manual cooling load calculation method, the most practical to use is the CLTD/SCL/CLF method as described in the 1997 ASHRAE Fundamentals. This method, although not optimum, will yield the most conservative results based on peak load values to be used in sizing equipment." Link to document here. Thoughts?
External and internal environment of buildings: wind loading, ventilation analysis and heating/cooling load calculations. Previously, most building-related issues such as ventilation analysis, wind loading, wind environment etc. were examined using wind tunnel tests, but today all these tests can be done effectively with CFD.
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The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [1] [2] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs. The COP is used in thermodynamics.
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