Abstract
In this study, hot water panels were laid in the three walls as well as the floor of a small leisure cabin to implement radiant heating with the heat supplied by the hot water circulating inside the hot water tubes in the hot water panels. As a result of the study as such, compared to the forced convection heating at the current technology level in which air is forced to circulate by the air conditioner, the radiant heat transfer by the hot water panels laid in the floor and walls of the small leisure cabin in this study implemented more comfortable heating and wellbeing heating beneficial to health because it implemented heating without any movement or circulation of air. In addition, this study investigated heater accessories suitable for small leisure cabins not larger than 6 m2 to significantly reduce thermal energy and manufacturing costs. The thermal energy lost by hot water per unit time and the thermal energy obtained by air inside the small leisure cabin per unit time coincided well at the accuracy of ±5%. Therefore, the reliability of the result of the heat transfer rate accuracy experiment in this study was secured. As the mass flow rate of the hot water increased, the heat transfer rate performance of the small leisure cabin improved. In addition, as the mass flow rate of hot water increased, the heat transfer rate performance of the small leisure cabin improved linearly.
Highlights
Studies on heating device technologies suitable for small leisure cabins are urgently required because the demand for construction of small leisure cabins is gradually increasing [1]
There are many reports of studies on heating devices that supply heat from hot water by laying a hot water panel in the floor of a small leisure cabin and configuring a system so that hot water circulates inside the hot water panel, and many study reports indicate that wellbeing heating beneficial to health is implemented by hot water panels laid in the floor of small leisure cabins because the heating is implemented by radiant heat transfer [8,9,10]
As a result of the study as such, compared to the forced convection heating at the current technology level in which air is forced to circulate by the air conditioner, the radiant heat transfer by the hot water panels laid in the floor and walls of the small leisure cabin in this study implemented more comfortable heating and wellbeing heating beneficial to health because it implemented heating without any movement or circulation of air
Summary
Studies on heating device technologies suitable for small leisure cabins are urgently required because the demand for construction of small leisure cabins is gradually increasing [1]. This study was conducted to implement radiant heat transfer heating with the thermal energy supplied by the hot water circulating inside the hot water tubes by laying hot water panels in the three walls as well as the floor of the small leisure cabin. An experimental study was conducted after installing a hot water boiler for hot water heat supply to the hot water panels laid inside the walls and floor of the small leisure cabin.
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