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2022 Vol.64, Issue 1
Estimation of Adequate Capacity of Ground Source Heat Pump in Energy-saving Pig Farms Using Building Energy Simulation

BES를 사용한 에너지 절감형 양돈장의 지열히트펌프 적정 용량 산정

Seong-Won Leea
,
Byung-Wook Ohb
,
Kwang-Woo Parkc
,
Il-Hwan Seod†
이 성원a
,
오 병욱b
,
박 광우c
,
서 일환d†
aPh.D. Student, Department of Rural Construction Engineering, Jeonbuk National University
bPh.D. Student, Department of Rural Construction Engineering, Jeonbuk National University
cResearcher, WP Co., Ltd
dAssistant Professor, Department of Rural Construction Engineering, Jeonbuk National University
a전북대학교 농촌건설공학과 박사과정 학생
b전북대학교 농촌건설공학과 박사과정 학생
c(주)연구위원
d전북대학교 농촌건설공학과 조교수
† Corresponding author Tel.: +82-63-270-2520, Fax: +82-63-270-2517 E-mail: ihseo@jbnu.ac.kr
2022. pp. 1-13
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Abstract

In Korea, attention is being paid to the use of renewable energy in the livestock industry, and Ground Source Heat Pump (GSHP), which is advantageous for temperature control, is considered as one of the ways to reduce the use of fossil fuels. But GSHP is expensive to install, which proper capacity calculation is required. GSHP capacity is related to its maximum energy load. Energy loads are affected by climate characteristics and time, so dynamic analysis is required. In this study, the optimal capacity of GSHP was calculated by calculating the heating and cooling load of pig farms using BES (Building Energy Simulation) and economic analysis was performed. After designing the inside of the pig house using TRNSYS, one of the commercial programs of the BES technique, the energy load was calculated based on meteorological data. Through the calculated energy load, three heating devices and GSHP used in pig farms were analyzed for economic feasibility. As a result, GSHP’s total cost of ownership was the cheapest, but the installation cost was the highest. In order to reduce the initial cost of GSHP, the capacity of GSHP was divided, and a scenario was created in which some of it was used as an auxiliary heating device, and economic analysis was conducted. In this study, a method to calculate the proper capacity of GSHP through dynamic energy analysis was proposed, and it can be used as data necessary to expand the spread of GSHP.

Keywords
Ground source heat pump
heating system
pig farm
energy capacity
economic analysis
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Information
  • Publisher :The Korean Society of Agricultural Engineers
  • Publisher(Ko) :한국농공학회
  • Journal Title :Journal of Korean Society of Agricultural Engineers
  • Journal Title(Ko) :한국농공학회논문집
  • Volume : 64
  • No :1
  • Pages :1-13
  • Received Date : 2020-11-18
  • Revised Date : 2021-11-11
  • Accepted Date : 2021-11-22
  • DOI :https://doi.org/10.5389/KSAE.2022.64.1.001
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