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	1. Study on the identification of natural energy potential and the suitability of heating technology in chongqing rural area
	Weng Daiyin,Liu Meng
	Energy Science and Technology 10 March 2020
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	Abstract:This paper investigates the distribution characteristics of natural energy such as solar energy, outdoor air temperature and humidity in Chongqing rural area. Through the experimental test, the suitability of the heating system (solar water heating system, air source heat pump heating system, solar hybrid air source heat pump heating system) in Chongqing rural area was analyzed. The research shows that the annual total solar radiation in Chongqing is between 3200 and 3900 MJ/m2, and the solar water heating system is greatly affected by the weather. On the sunny days in winter, the average temperature of hot water rises by 21 C, which can\'t meet the use requirements. The average outdoor temperature of Chongqing rural area is 7.9 C, the average relative humidity is above 87%, and the air source heat pump heating system has a COP range of 1.5-2.0, which is not efficient. The energy efficiency ratio of the solar hybrid air source heat pump heating system can reach 3.21, which is far greater than the performance of the air source heat pump when it is separately heating, and overcomes the shortcomings of the solar water heating system whose performance is greatly affected by the weather. Therefore the solar hybrid air source heat pump heating system is more suitable for heating in Chongqing rural area.
	TO cite this article:Weng Daiyin,Liu Meng. Study on the identification of natural energy potential and the suitability of heating technology in chongqing rural area[OL].[10 March 2020] http://en.paper.edu.cn/en_releasepaper/content/4751094


	2. Oxygen ionic conduction in doped ceria-carbonate composite with a controllable structure
	ZHAO Yicheng
	Energy Science and Technology 24 April 2017
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	Abstract: Doped ceria-carbonate composite with a high O2- conductivity has been considered as a promising electrolyte for solid oxide fuel cells, while the irregular distribution of its components leads to difficulties in investigating O2- conduction. In this work, samarium doped ceria-(Li0.52Na0.48)2CO3composite electrolyte is synthesized through a sacrificial NiOtemplate- infiltration method.The content and distribution of ceramic and carbonate phasesare controlled by varying the NiO content and the sintering temperature of SDC-NiO composite.Results of direct current four probe measurement show that molten carbonate dominatesO2- conduction in the composite. The tortuosity and inter-particle neck size of ceramic and carbonate phases, instead of the interface, present significant impact on the conductivity of O2-.
	TO cite this article:ZHAO Yicheng . Oxygen ionic conduction in doped ceria-carbonate composite with a controllable structure [OL].[24 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4727215


	3. New Gas Drive Analysis Method
	Liu Haohan
	Energy Science and Technology 23 February 2011
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	Abstract:For gas reservoir driving, the main gas driving force , the dynamic changes of gas reservoir and the interreaction between gas reservoir and its surrounding water area in each development phase should be considered. The dynamic change of gas reservoir means the changes of gas reservoir pressure and PORV of gas storage; By introducing the least-square method to the material balance equation of gas reservoir and considering the liquid expansion and decreased pore volume caused by the decreased pressure and combining the liquid state equation and the elastic medium state equation , a new method to analyze the gas reservoir driving has been established, and relative new calculating formula of degree of reserve recovery, effective compressibility, relative pressure coefficient, cumulative gas production and geologic reserve of gas reservoir have been produced; This new method lays a theoretical foundation for the traditional formation pressure method, the law of water cutting volume factor and the Havlena-Odeh method, and it can be applied to the driving analysis of normal gas reservoir, abnormally pressured gas reservoir and condensate gas reservoir; By putting this new method into the Anderson 'L' gas reservoir: An abnormally pressured gas reservoir in south Texas of America, we get good analyzing results.
	TO cite this article:Liu Haohan. New Gas Drive Analysis Method[OL].[23 February 2011] http://en.paper.edu.cn/en_releasepaper/content/4411942

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