Study of technical, economical and environmental viability of ground source heat pump system for Himalayan cities of India

T. Sivasakthivel, K. Murugesan, P.K. Sahoo

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

In recent years applications of ground source heat pump (GSHP) systems are well utilized for space heating and cooling applications in many countries and India also can benefit from the same. This study estimates the possible energy saving and reduction in CO2 emission by the use of GSHP technology for space heating and cooling applications in cities located in and around the Himalayan region. For the purpose of analysis a building with 120 m2 with a medium level of insulation has been considered. Currently, the buildings located in these cities meet their heating and cooling demands by conventional techniques. A detailed study has been carried out to estimate the investment cost, payback period, technical feasibility, greenhouse saving and risk associated with the implementation of GSHP technology using RETScreen tool. The analysis shows that if GSHPs were used in the above cities, they can be ordered based on lower to higher payback period as Darjeeling, Tawang, Shimla, Dehradun, Srinagar, Nangal, Shillong, Chandigarh, Saharanpur and Delhi. The minimum length of ground heat exchanger to supply the required heating and cooling is found to be 140 m for heavy rock ground formation and it is affected by different types of ground formations. In any place if the ground formation is a heavy rock, then the length required to meet the building demand is drastically reduced. If the ground formation is a light soil with no moisture, then the length of the heat exchanger is increased multifold. Whenever the knowledge of ground formation is not known thermal response test has to be performed. Countries like India can offer incentives and tax benefits to promote GSHP technologies in order to achieve significant saving in electricity and reduction in CO2 emission. © 2015 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)452-462
Number of pages11
JournalRenewable and Sustainable Energy Reviews
Volume48
DOIs
Publication statusPublished - 2015

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Geothermal heat pumps
Heat pump systems
Cooling
Space heating
Heat exchangers
Rocks
Heating
Greenhouses
Taxation
Insulation
Energy conservation
Moisture
Electricity
Soils
Costs

Cite this

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abstract = "In recent years applications of ground source heat pump (GSHP) systems are well utilized for space heating and cooling applications in many countries and India also can benefit from the same. This study estimates the possible energy saving and reduction in CO2 emission by the use of GSHP technology for space heating and cooling applications in cities located in and around the Himalayan region. For the purpose of analysis a building with 120 m2 with a medium level of insulation has been considered. Currently, the buildings located in these cities meet their heating and cooling demands by conventional techniques. A detailed study has been carried out to estimate the investment cost, payback period, technical feasibility, greenhouse saving and risk associated with the implementation of GSHP technology using RETScreen tool. The analysis shows that if GSHPs were used in the above cities, they can be ordered based on lower to higher payback period as Darjeeling, Tawang, Shimla, Dehradun, Srinagar, Nangal, Shillong, Chandigarh, Saharanpur and Delhi. The minimum length of ground heat exchanger to supply the required heating and cooling is found to be 140 m for heavy rock ground formation and it is affected by different types of ground formations. In any place if the ground formation is a heavy rock, then the length required to meet the building demand is drastically reduced. If the ground formation is a light soil with no moisture, then the length of the heat exchanger is increased multifold. Whenever the knowledge of ground formation is not known thermal response test has to be performed. Countries like India can offer incentives and tax benefits to promote GSHP technologies in order to achieve significant saving in electricity and reduction in CO2 emission. {\circledC} 2015 Elsevier Ltd. All rights reserved.",
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Study of technical, economical and environmental viability of ground source heat pump system for Himalayan cities of India. / Sivasakthivel, T.; Murugesan, K.; Sahoo, P.K.

In: Renewable and Sustainable Energy Reviews, Vol. 48, 2015, p. 452-462.

Research output: Contribution to journalArticle

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AU - Sivasakthivel, T.

AU - Murugesan, K.

AU - Sahoo, P.K.

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PY - 2015

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SN - 1364-0321

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