Techno-economic analysis of a combined cooling, heating and power system based on hot sedimentary aquifer for hotel building in tropical countries

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ID: 22647
2019
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Abstract
Low enthalpy geothermal based Combined Cooling, Heating and Power (CCHP) system for building is expected can increase energy efficiency and reduce carbon dioxide emission. The aim of this study is to assess techno-economic performances of a CCHP for hotel building in tropical countries with total energy demand of 7.64 MW. The fresh geothermal fluid was divided by 15% to power generation system of Organic Rankine Cycle (ORC) and the waste heat merged with the rest fresh geothermal to absorption refrigeration system and heating systems. Cycle Tempo and COMSOL are used to simulate CCHP system and a borehole of hot sedimentary aquifer (HSA), respectively. The simulation results indicate that total CCHP system efficiency is 36.61% consist of ORC efficiency and absorption cycle efficiency are 12.77% and 57.88%, respectively with emission reduction of 1.4 ton CO2 eq. per year compare to conventional grid electricity. The best business scheme was BOO with financial incentives, which were tax allowance, soft loan, and grant. Therefore, the production prices were 0.08 USD/kWth, 0.10 USD/kWeh, and 12.03 USD/MMBtu for cooling, electricity, and heating respectively.
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heru2019technoeconomicmatec Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Heru, Prasetio;Dara, Euodia Kezia;Wahyu, Purwanto Widodo;
Journal matec web of conferences
Year 2019
DOI
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URL
https://www.matec-conferences.org/articles/matecconf/pdf/2019/17/matecconf_rsce18_06006.pdf
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