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Simplified water-source heat pump models for predicting heat extraction and rejection

Author

Listed:
  • Bordignon, Sara
  • Spitler, Jeffrey D.
  • Zarrella, Angelo

Abstract

Simplified heat pump models are needed for the design of ground heat exchangers used with ground-source heat pump systems. Design engineers commonly have only manufacturer's data with which to construct a heat pump model that can predict heat extraction and heat rejection given building heating and cooling loads and take account of the entering fluid temperatures to the heat pump. Earlier work has used simple polynomials to predict the ratio of heat extraction to heating and heat rejection to cooling. Unfortunately, manufacturers' catalog data do not always provide sufficient support to calculate the polynomial coefficients. Therefore, in the absence of experimental data, simplified and acceptably accurate models are needed to exploit a limited number of operating points.

Suggested Citation

  • Bordignon, Sara & Spitler, Jeffrey D. & Zarrella, Angelo, 2024. "Simplified water-source heat pump models for predicting heat extraction and rejection," Renewable Energy, Elsevier, vol. 220(C).
    • Handle: RePEc:eee:renene:v:220:y:2024:i:c:s0960148123016166
    DOI: 10.1016/j.renene.2023.119701
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