Theoretical study on volatile organic compound removal and energy performance of a novel heat pump assisted solid desiccant cooling system

Jinzhe Nie, Lei Fang, Ge Zhang, Ying Sheng, Xiangrui Kong, Yufeng Zhang, Bjarne W. Olesen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A theoretical model was established for predicting the volatile organic compound (VOC) removal and energy performance of a novel heat pump assisted solid desiccant cooling system (HP-SDC). The HP-SDC was proposed based on the combination of desiccant rotor with heat pump, and was designed for cooling, dehumidification and indoor air cleaning in normal office, commercial or residential buildings. The desiccant rotor was used for dehumidification and indoor air cleaning; the heat pump provided sensible cooling and regeneration heat for the desiccant rotor. The theoretical model consisted of two sub-models. One sub-model was used to simulate the heat, moisture and VOC transfer in the desiccant rotor; the other sub-model was used to predict the energy performance of the heat pump. Combining the two sub-models, the energy performance and VOC removal effect of the HP-SDC could be simulated and predicted. The theoretical model was validated by experimental data. Validating results showed that the model could be used to predict the performance of HP-SDC. The results also showed that the HP-SDC could clean air borne contaminants effectively and could provide an energy efficient choice for ventilation.
Original languageEnglish
JournalBuilding and Environment
Volume85
Pages (from-to)233-242
Number of pages10
ISSN0360-1323
DOIs
Publication statusPublished - 2015

Keywords

  • Air cleaning
  • Desiccant rotor
  • Energy performance
  • Heat pump
  • Theoretical model
  • Air cleaners
  • Cleaning
  • Computer simulation
  • Cooling
  • Cooling systems
  • Driers (materials)
  • Forecasting
  • Heat pump systems
  • Humidity control
  • Pumps
  • Thermoelectric equipment
  • Volatile organic compounds
  • Desiccant rotors
  • Heat pumps
  • Theoretical modeling
  • Energy efficiency

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