How can Kang systems improve thermal efficiency and indoor air temperature?
To prolong the working period of the kang system, thermal insulation layers are added to reduce the heat loss of kang system . Using the improved kang systems, the thermal efficiency and indoor air temperature could be increased. This paper reviews different kinds of traditional Chinese kangs that have been rarely mentioned before.
What is a Kang system?
In rural residences, biomass fuels often burns in traditional stoves to produce heat energy for cooking or space heating . The Chinese kang system is a typical heat transfer and heat storage facility, which makes full use of the waste heat of cooking and fully or partially satisfies the heat load demand of rural buildings .
What is a Kang heating system?
The kang system is one of the oldest primary floor heating systems used for space heating in the north of China. It was first developed during Spring and Autumn of Zhou dynasty, which dates back years ago .
How a Kang plate affects indoor environment?
However, a large flow residence may lead to backflow of the smoke and result in poor indoor environment. The kang plate absorbs heat of the high temperature smoke and raises its surface temperature, then releases heat to indoor environment by means of conduction, convection, and radiation .
What is a Kang stove used for?
The stove is the place where the straw or firewood burns [7, 8]. The energy from biomass combustion is partly used for cooking food and partly for space heating by transporting high-temperature flue gas into the kang body . The kang body is the main space heating component of the kang system, comprising of kang plate and internal flue.
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