Prediction of energy efficiency and thermal environment of residential buildings utilizing PEFC-CGS combined floor heating system

Nobuyasu Ayagaki; Akihito Ozaki; Hiroto Takaguchi; Hiroshi Kuroki; Toshiyuki Watanabe

Prediction of energy efficiency and thermal environment of residential buildings utilizing PEFC-CGS combined floor heating system

Nobuyasu Ayagaki, Akihito Ozaki, Hiroto Takaguchi, Hiroshi Kuroki, Toshiyuki Watanabe

School of Creative Science and Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

The systematic numerical simulation program is developed to calculate the total energy efficiency of housing polymer electrolyte fuel cell co-generation system (PEFC-CGS) which is combined with hot water floor heating (HWFH). This simulation program can also predict actual building physics of heat transfer such as mutual radiant heat among interior surfaces and thermal strage relating with piping pitch of hot water and so on. The indoor temperature can be controlled by PMV (Predicted Mean Vote) to take account of thermal sensing affected radiant heat. As the results, it is clarified that the primary energy consumption is reduced up to 12% in winter because of the utilization of exhaust heat from PEFC-CGS and decreasing of indoor temperature for space heating by floor heating utility.

Original language	English
Pages	546-553
Number of pages	8
Publication status	Published - 2007 Dec 1
Event	Building Simulation 2007, BS 2007 - Beijing, China Duration: 2007 Sep 3 → 2007 Sep 6

Conference

Conference	Building Simulation 2007, BS 2007
Country	China
City	Beijing
Period	07/9/3 → 07/9/6

Keywords

Co-generation system
Energy conservation
Fuel cell
Hot water floor heating
Residential building
Thermal environment

ASJC Scopus subject areas

Computer Science Applications
Building and Construction
Architecture
Modelling and Simulation

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Prediction of energy efficiency and thermal environment of residential buildings utilizing PEFC-CGS combined floor heating system. / Ayagaki, Nobuyasu; Ozaki, Akihito; Takaguchi, Hiroto; Kuroki, Hiroshi; Watanabe, Toshiyuki.

2007. 546-553 Paper presented at Building Simulation 2007, BS 2007, Beijing, China.

Research output: Contribution to conference › Paper › peer-review

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abstract = "The systematic numerical simulation program is developed to calculate the total energy efficiency of housing polymer electrolyte fuel cell co-generation system (PEFC-CGS) which is combined with hot water floor heating (HWFH). This simulation program can also predict actual building physics of heat transfer such as mutual radiant heat among interior surfaces and thermal strage relating with piping pitch of hot water and so on. The indoor temperature can be controlled by PMV (Predicted Mean Vote) to take account of thermal sensing affected radiant heat. As the results, it is clarified that the primary energy consumption is reduced up to 12% in winter because of the utilization of exhaust heat from PEFC-CGS and decreasing of indoor temperature for space heating by floor heating utility.",

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AU - Ayagaki, Nobuyasu

AU - Ozaki, Akihito

AU - Takaguchi, Hiroto

AU - Kuroki, Hiroshi

AU - Watanabe, Toshiyuki

PY - 2007/12/1

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N2 - The systematic numerical simulation program is developed to calculate the total energy efficiency of housing polymer electrolyte fuel cell co-generation system (PEFC-CGS) which is combined with hot water floor heating (HWFH). This simulation program can also predict actual building physics of heat transfer such as mutual radiant heat among interior surfaces and thermal strage relating with piping pitch of hot water and so on. The indoor temperature can be controlled by PMV (Predicted Mean Vote) to take account of thermal sensing affected radiant heat. As the results, it is clarified that the primary energy consumption is reduced up to 12% in winter because of the utilization of exhaust heat from PEFC-CGS and decreasing of indoor temperature for space heating by floor heating utility.

AB - The systematic numerical simulation program is developed to calculate the total energy efficiency of housing polymer electrolyte fuel cell co-generation system (PEFC-CGS) which is combined with hot water floor heating (HWFH). This simulation program can also predict actual building physics of heat transfer such as mutual radiant heat among interior surfaces and thermal strage relating with piping pitch of hot water and so on. The indoor temperature can be controlled by PMV (Predicted Mean Vote) to take account of thermal sensing affected radiant heat. As the results, it is clarified that the primary energy consumption is reduced up to 12% in winter because of the utilization of exhaust heat from PEFC-CGS and decreasing of indoor temperature for space heating by floor heating utility.

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KW - Energy conservation

KW - Fuel cell

KW - Hot water floor heating

KW - Residential building

KW - Thermal environment

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