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Nationwide Determination of Required Total Lengths of Multiple Borehole Heat Exchangers under Variable Climate and Geology in Japan

Acceso

en línea

Yoshitaka Sakata, Takao Katsura and Katsunori Nagano

This study determined the required lengths of borehole heat exchangers (BHEs) in ground-source heat pump systems for heating/cooling a building (with 300 m2 of floor area) across Japan?s four main islands through a simulation approach. Hourly thermal loa... ver más

Revista: ISPRS International Journal of Geo-Information Formato: Electrónico

Tabla de contenido: Vol: 10 Num: 0 Par: 4 Año: 2021

Field Analysis of Stepwise Effective Thermal Conductivity along a Borehole Heat Exchanger under Artificial Conditions of Groundwater Flow

Acceso

en línea

Yoshitaka Sakata, Takao Katsura, Katsunori Nagano and Manabu Ishizuka

Revista: Hydrology Formato: Electrónico

Tabla de contenido: Vol: 4 Num: 2 Par: June Año: 2017

Field Analysis of Stepwise Effective Thermal Conductivity along a Borehole Heat Exchanger under Artificial Conditions of Groundwater Flow

Acceso

en línea

Yoshitaka Sakata, Takao Katsura, Katsunori Nagano and Manabu Ishizuka

Heat advection caused by groundwater flow can potentially improve the performance of a borehole heat exchanger. However, the required flow velocity is not achieved under most natural conditions. This study focuses on artificial groundwater flow generated... ver más

Revista: Hydrology Formato: Electrónico

Tabla de contenido: Vol: 4 Num: 0 Par: 2 Año: 2017

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