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An evaluation and model of the Chinese Kang system to improve indoor thermal comfort in northeast rural China – Part-1: Model development

Author

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  • (John) Zhai, Zhiqiang
  • Yates, Andrew Porter
  • Duanmu, Lin
  • Wang, Zongshan

Abstract

In the rural area of northern China, residents often use a traditional stove-Kang system to heat their homes, which is an effective way of using locally-produced biomass to solve the energy and environment problems. However, many of these homes are not heated sufficiently during the winter months. The current system is inefficient and requires high levels of fuel consumption. This paper researches the Kang system by creating a simplified and modular system modeling program with the aim to assist in accurate real-time design and optimization of the domestic Kang heating system. This part-1 introduces the structure, principles and the underlying equations of the modular simulation system. A variety of improvement measures were modeled and tested, upon the base model, including the use of a water heat exchanger and radiator system to the existing Kang set up, solar hot water system, bathing system, and the use of phase change material at the surface of the Kang. The program demonstrates good flexibility of implementing different technical solutions as well as fast simulation capability.

Suggested Citation

  • (John) Zhai, Zhiqiang & Yates, Andrew Porter & Duanmu, Lin & Wang, Zongshan, 2015. "An evaluation and model of the Chinese Kang system to improve indoor thermal comfort in northeast rural China – Part-1: Model development," Renewable Energy, Elsevier, vol. 84(C), pages 3-11.
    • Handle: RePEc:eee:renene:v:84:y:2015:i:c:p:3-11
    DOI: 10.1016/j.renene.2015.06.003
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    Citations

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    Cited by:

    1. Zhang, Xinghui & Yang, Jiaojiao & Fan, Yi & Zhao, Xudong & Yan, Ruimiao & Zhao, Juan & Myers, Steve, 2020. "Experimental and analytic study of a hybrid solar/biomass rural heating system," Energy, Elsevier, vol. 190(C).
    2. Simin Yang & Bart J. Dewancker & Shuo Chen, 2021. "Study on the Passive Heating System of a Heated Cooking Wall in Dwellings: A Case Study of Traditional Dwellings in Southern Shaanxi, China," IJERPH, MDPI, vol. 18(7), pages 1-31, April.
    3. Zhu, Jiayin & Tong, Liping, 2017. "Experimental study on the thermal performance of underground cave dwellings with coupled Yaokang," Renewable Energy, Elsevier, vol. 108(C), pages 156-168.
    4. Min He & Pei Liu & Linwei Ma & Chinhao Chong & Xu Li & Shizhong Song & Zheng Li & Weidou Ni, 2018. "A Systems Analysis of the Development Status and Trends of Rural Household Energy in China," Energies, MDPI, vol. 11(7), pages 1-23, July.
    5. Li, Gang & Bi, Xiaoxuan & Feng, Guohui & Chi, Lan & Zheng, Xianfang & Liu, Xueting, 2020. "Phase change material Chinese Kang: Design and experimental performance study," Renewable Energy, Elsevier, vol. 150(C), pages 821-830.

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