Study on the Development of Optimal Heat Supply Control Algorithm in Group Energy Apartment Building According to the Variation of Outdoor Air Temperature

Byun, Jae-Ki; Lee, Kyu‐Ho; Cho, Young-Don; Shin, Jongkeun

doi:10.6110/kjacr.2011.23.5.334

Cited by 2 publications

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“…The specifications of the object building (11,12) 총 수입액의 약 26%를 차지하며 에너지 소비량은 세 계 9위, 온실가스 배출량은 세계 16위에 이르고 있다. 특히 가정과 산업부문의 에너지 소비량은 매년 크게 증가하고 있으므로 효율적인 에너지활용 노력이 절실 히 필요한 실정이다.…”

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A Study on the Development of a Multi-Heat Supply Control Algorithm in a District Heating Apartment Building in Accordance with the Variation of Outdoor Air Temperature

Byun¹,

Yun²,

Nam³

et al. 2013

Korean Journal of Air-Conditioning and Refrigeration Engineerin

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In this study, we developed a heat supply control algorithm that minimizes the heat loss in the heat distribution pipelines used for supplying heat energy to shared group housing. Controlling the temperature and flow rate of the hot water supplied to the heat exchanger for shared group housing enables us to develop a heat supply control technique that meets the heating load required by each household in a shared apartment building in accordance with changes in the outdoor air temperature, and that minimizes the heat loss occurring in the heat distribution pipeline. A one-year study in 2008 on a 1,473-household D-apartment building in Hwaseong, Gyeonggi-do, South Korea, compared the heat capacity used by each household, as well as the heat capacity supplied to the heat exchanger room of the apartment housing building, to calculate the amount of heat loss in the heat distribution pipeline. The results confirmed that 24.1% of the heat supplied was lost in the piping. 기호설명 Cp:

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“…3 Heat loss rate of the distribution line for the model district heating supply of the apartment building with respect to the outdoor air temperature. (11,12) 2.2 연구 수행 방법…”

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A Study on the Development of a Multi-Heat Supply Control Algorithm in a District Heating Apartment Building in Accordance with the Variation of Outdoor Air Temperature

Byun¹,

Yun²,

Nam³

et al. 2013

Korean Journal of Air-Conditioning and Refrigeration Engineerin

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Recent Progress in Air-Conditioning and Refrigeration Research: A Review of Papers Published in the Korean Journal of Air-Conditioning and Refrigeration Engineering in 2011

Han¹,

Lee²,

Kim³

et al. 2012

Korean Journal of Air-Conditioning and Refrigeration Engineerin

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This article reviews the papers published in the Korean Journal of AirConditioning and Refrigeration Engineering during 2011. It is intended to understand the status of current research in the areas of heating, cooling, ventilation, sanitation, and indoor environments of buildings and plant facilities. Conclusions are as follows. (1) Research trends of thermal and fluid engineering have been surveyed as groups of fluid machinery and fluid flow, thermodynamic cycle, and new and renewable energy. Various topics were presented in the field of fluid machinery and fluid flow. Research issues mainly focused on the rankine cycle in the field of thermodynamic cycle. In the new and renewable energy area, researches were presented on geothermal energy, fuel cell, biogas, reformer, solar water heating system, and metane hydration. (2) Research works on heat transfer area have been reviewed in the categories of heat transfer characteristics, pool boiling and condensing heat transfer, nanofluids and industrial heat exchangers. Researches on heat transfer characteristics included heat transfer above liquid helium surface in a cryostat, methane hydrate formation, heat and mass transfer in a liquid desiccant dehumidifier, thermoelectric air-cooling system, heat transfer in multiple slot impinging jet, and heat transfer enhancement by protrusion-in-dimples. In the area of pool boiling and condensing heat transfer, researches on pool boiling of water in low-fin and turbo-B surfaces, pool boiling of R245a, convective boiling two-phase flow in trapezoidal microchannels, condensing of FC-72 on pin-finned surfaces, and natural circulation vertical evaporator were actively performed. In the area of nanofluids, thermal characteristics of heat pipes using water-based MWCNT nanofluids and the thermal conductivity and viscosity were measured. In the area of industrial heat exchangers, researches on fin-tube heat exchangers for waste gas heat recovery and Chevron type plate heat exchanger were implemented.

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Study on the Development of Optimal Heat Supply Control Algorithm in Group Energy Apartment Building According to the Variation of Outdoor Air Temperature

Cited by 2 publications

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A Study on the Development of a Multi-Heat Supply Control Algorithm in a District Heating Apartment Building in Accordance with the Variation of Outdoor Air Temperature

A Study on the Development of a Multi-Heat Supply Control Algorithm in a District Heating Apartment Building in Accordance with the Variation of Outdoor Air Temperature

Recent Progress in Air-Conditioning and Refrigeration Research: A Review of Papers Published in the Korean Journal of Air-Conditioning and Refrigeration Engineering in 2011

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