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Learn how to calculate cooling load using the ASHRAE’s Radiant Time Series method that accounts for solar heat gain, conductive heat gain, radiant heat gain and internal heat gain in a 24 hours load profile manner.
Cooling load calculations may be used to accomplish one or more of the following objectives: a) Provide information for equipment selection, system sizing and system design. b) Provide data for evaluating the optimum possibilities for load reduction.
calculating design cooling loads—the heat balance method (HBM) and the radiant time series method (RTSM)—in a thorough, applications-oriented approach that includes extensive step-by-step examples for the RTSM.
Discover essential methods and factors for accurate cooling load calculations to optimize HVAC system performance and energy efficiency.
methods of performing load calculations, or step-by-step instructions on how to perform the load calculations. This guide presents the key criteria required to create accurate heating and cooling load calculations and offers examples of the implications when inaccurate adjustments are applied to the HVAC design process.
After completing the course, you should know: How to use a simple heat loss calculation procedure. How to find and use local climate data. The thermal properties of building materials. The effects of air infiltration and ventilation. The basic concepts and methods to determine cooling loads.
By adding up all the energy sources and accounting for a safety factor, engineers can calculate the total cooling load in a fairly simple way to determine the appropriate air conditioning unit or cooling coil required for a space.
The cooling load temperature difference (CLTD) calculation method, also called the cooling load factor (CLF) or solar cooling load factor (SCL) method, is a method of estimating the cooling load or heating load of a building.
The study, “Literature Review of Building Peak Cooling Load Methods in the United States,” summarizes the method differences that can lead to inaccurate sensible cooling load calculations, according to the authors, Chunliu Mao; Juan-Carlos Baltazar, Member ASHRAE; and Jeff S. Haberl, Fellow ASHRAE.
This article presents the results of a comprehensive comparison of these building peak cooling load calculation methods with a focus on the sensible building envelope cooling loads. The results show that the HBM is the most accurate method, followed by the RTSM, the TFM, the TETD/TA method, and the CLTD/SCL/CLF method.