A finite-difference model is used to simulate the effects of thermal mass on thermal load. A sinusoidal function is used to simulate the exterior air temperature. The interior air temperature set point remains constant. The mechanism by which thermal mass affects thermal load is described. Equations are given to calculate thermal load as a function of the exterior air temperature amplitude, the temperature above and below the mean temperature. Equations are given to calculate the minimum thermal load resulting from thermal mass and therefore the maximum thermal load reduction with thermal mass. Equations and methods are given to calculate the minimum thermal load resulting from thermal mass from weather data files, TMY or TMY2 files. A design equation is given as a guideline to determine the amount of thermal mass required to reduce the thermal load with given weather conditions.
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ASME 2007 Energy Sustainability Conference
July 27–30, 2007
Long Beach, California, USA
Conference Sponsors:
- Solar Energy Division and Advanced Energy Systems Division
ISBN:
0-7918-4797-7
PROCEEDINGS PAPER
The Effect of Thermal Mass on Thermal Transmission Loads
Robert B. Gilbert
,
Robert B. Gilbert
University of Dayton, Dayton, OH
Search for other works by this author on:
Kelly Kissock
Kelly Kissock
University of Dayton, Dayton, OH
Search for other works by this author on:
Robert B. Gilbert
University of Dayton, Dayton, OH
Kelly Kissock
University of Dayton, Dayton, OH
Paper No:
ES2007-36101, pp. 511-519; 9 pages
Published Online:
February 24, 2009
Citation
Gilbert, RB, & Kissock, K. "The Effect of Thermal Mass on Thermal Transmission Loads." Proceedings of the ASME 2007 Energy Sustainability Conference. ASME 2007 Energy Sustainability Conference. Long Beach, California, USA. July 27–30, 2007. pp. 511-519. ASME. https://doi.org/10.1115/ES2007-36101
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