Energy Demand Reduction in the Built Environment Using Shallow Geothermal Integrated Energy Systems: Part II—Hybrid Ground Source Heat Pump for Building Heating

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Abstract

The research collection aims at finding the various possible opportunities for the effective integration of shallow geothermal energy (SGE) to decrease the energy demand in the built environment and to reduce emission associated with it. The direct utilization of SGE using a ground source heat pump (GSHP) has been reviewed in comprehensive review Part I. From the extensive review, it is found that the hybrid GSHP is needed to avoid ground thermal imbalance and peak demand. Hybrid GSHP can adopt various supplemental heat sources and sinks according to the local climatic conditions and the balance of energy demands. The primary focus on the integration of subsystems such as biomass, solar energy (photovoltaic (PV), photovoltaic thermal (PVT), and collector), phase change material, micro gas turbine, and absorption heat pump with GSHP is presented for heating application. This comprehensive review Part II highlights the recent research findings and potential research points in the hybrid GSHP for further research and developments.

Original languageEnglish
Article number030802
JournalJournal of Engineering for Sustainable Buildings and Cities
Volume2
Issue number3
DOIs
StatePublished - Aug 2021

Funding

The author worked as a project fellow in a DST-EPSRC funded project title “Zero Peak Energy Building Design for India” (ZED-I) at the Indian Institute of Technology Roorkee. ZED-I is a collaborative research project lead by IIT Roorkee along with IIT Delhi and CSIR-CBRI from India and the University of Bath from the UK. Department of Science and Technology (DST) and Engineering and Physical Sciences Research Council (EPSRC) are jointly funding this research under the “Energy Demand Reduction in the Built Environment” program (Grant numbers: DST/TMD/ UK-BEE/2017/17(c) and EP/R008612/1). This project aims to eliminate peak energy demand and minimize mean energy demand from buildings, under a changing Indian climate, through a new science of zero peak energy building design. This review was carried out as a part of the development and demonstration of low-energy cooling and heating technologies. The part of the work was carried out at IIT Roorkee. Later, the author started working as Assistant Professor at Vellore Institute of Technology, Vellore, India, and the remaining part of the review work was carried out. The author would like to thank Dr. Krishnan Muruge-san, Dr. E. Rajasekar, and Dr. Sukumar Natarajan, for their valuable guidance. The author also would like to thank all the other investigators and team members for their constant support. Finally, I would like to thank the reviewers for their valuable comments. The author worked as a project fellow in a DST-EPSRC funded project title “Zero Peak Energy Building Design for India” (ZED-I) at the Indian Institute of Technology Roorkee. ZED-I is a collaborative research project lead by IIT Roorkee along with IIT Delhi and CSIR-CBRI from India and the University of Bath from the UK. Department of Science and Technology (DST) and Engineering and Physical Sciences Research Council (EPSRC) are jointly funding this research under the “Energy Demand Reduction in the Built Environment” program (Grant numbers: DST/TMD/ UK-BEE/2017/17(c) and EP/R008612/1). This project aims to eliminate peak energy demand and minimize mean energy demand from buildings, under a changing Indian climate, through a new science of zero peak energy building design. This review was carried out as a part of the development and demonstration of low-energy cooling and heating technologies. The part of the work was carried out at IIT Roorkee. Later, the author started working as Assistant Professor at Vellore Institute of Technology, Vellore, India, and the remaining part of the review work was carried out. The author would like to thank Dr. Krishnan Murugesan, Dr. E. Rajasekar, and Dr. Sukumar Natarajan, for their valuable guidance. The author also would like to thank all the other investigators and team members for their constant support. Finally, I would like to thank the reviewers for their valuable comments.

Keywords

  • air conditioning
  • building heating
  • combined heat and power
  • geothermal
  • ground source heat pump
  • heat transfer
  • hybrid GSHP
  • integrated systems
  • optimization
  • peak demand
  • renewable energy
  • storage
  • sustainability

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