TEST ANALYSES ON ENERGY CONSUMPTION OF RURAL RESIDENTIAL BUILDING ENVELOPE WITH ATTACHED SUNSPACE IN COLD REGION

Qin Li; Liu Jianan; Shi Wei

doi:10.19912/j.0254-0096.tynxb.2020-0715

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (4) : 264-270. DOI: 10.19912/j.0254-0096.tynxb.2020-0715

Topics on Key Technologies for Safety of Electrochemical Energy Storage Systems and Echelon Utilization of Decommissioned Power Batteries

TEST ANALYSES ON ENERGY CONSUMPTION OF RURAL RESIDENTIAL BUILDING ENVELOPE WITH ATTACHED SUNSPACE IN COLD REGION

Qin Li, Liu Jianan, Shi Wei

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Abstract

In the coldest month during the heating period, the energy consumption of the typical envelope enclosure of attached sunspace houses in villages and towns in cold regions was measured on-site. It helps to provide data for further understanding and mastering the energy consumption defects of typical houses. The test contents include thermal environment, heating consumption, thermal defects and heat transfer coefficient of envelope enclosure. The results show that the airtightness of the residence is poor, the heat transfer coefficient fails to meet the specified requirements, and the exterior wall exceeds the standard by 165.23%. The theoretical values of exterior walls, roofs and exterior windows is 16.82%, 3.04% and 23.07% higher than the measured values respectively. The energy consumption of heating exceeds the standard by 109.43%. The attached sunspace temperature is 7.47 ℃ higher than the outdoor average temperature, but its temperature is unstable. Only 47% of the days during the test, the temperature of the heated bedroom reached 14 ℃. On the basis of the analysis of the test data, this paper proposes energy-saving design suggestions such as how to choose the form of attached sunspace and the envelope enclosure reasonably, so as to promote the application of attached sunspace in villages and towns in cold regions.

Key words

passive solar building / cold region / energy consumption / field measurement / attached sunspace / energy saving

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Qin Li, Liu Jianan, Shi Wei. TEST ANALYSES ON ENERGY CONSUMPTION OF RURAL RESIDENTIAL BUILDING ENVELOPE WITH ATTACHED SUNSPACE IN COLD REGION[J]. Acta Energiae Solaris Sinica. 2022, 43(4): 264-270 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0715

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