A heat transfer calculation method and primary verification for high-temperature fluid transmission and distribution network from EAST

Li, Yilong; Zhang, Xiaodong; Zhou, Tong

doi:10.1016/j.fusengdes.2019.111403

Cited by 5 publications

(2 citation statements)

References 15 publications

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“…(2) Heat loss of pipe network. The delivery efficiency of China's heating pipe network is between 70% and 80%, while the delivery efficiency of foreign countries reaches 92-95% [34]. The reason for such a large gap is that the heat loss of the pipe network abroad is only insulation loss, while China has insulation loss, imbalance loss and leakage loss, of which imbalance loss is more serious.…”

Section: Energy Consumption In Northern Townsmentioning

confidence: 99%

A Forecasting Method for Macro-Control Policy of Heating Energy Consumption and Carbon Emissions Based on Building Area and Energy Intensity: A Case Study of Northern China

et al. 2022

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In response to extreme climate change, China has set a goal of reaching emission peak by 2030 and achieving carbon neutrality by 2050. Energy conservation and emission reduction of building heating in northern China are key to achieving this goal. Based on building area prediction and energy consumption intensity, this paper establishes a model for calculating heating energy consumption and carbon emissions in northern residential buildings at the macro level, which provides a basis for formulating policies related to heating and emission reduction in northern buildings. Based on the research method of scenario projection, combining the carbon emission subsets and future heating energy mix projections in northern China, the heating energy consumption in northern China decreases to 175, 149 and 135 Mtce in 2050 under the baseline, medium control and strict control scenarios, respectively. The heating energy consumption in the northern region should be controlled at least under the medium control scheme. Under this scenario, building heating carbon emissions in the north could be reduced to 450 MtCO2 by 2050, or 280 MtCO2 if more stringent abatement technologies are adopted. In order to achieve this goal, a combination of energy-saving technologies must be used. The use of biomass and solar technologies should be emphasized in rural heating, while envelope renovation makes the greatest contribution to heating energy savings, with envelope renovation contributing up to 92 Mtce to urban heating.

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Section: Energy Consumption In Northern Townsmentioning

confidence: 99%

A Forecasting Method for Macro-Control Policy of Heating Energy Consumption and Carbon Emissions Based on Building Area and Energy Intensity: A Case Study of Northern China

et al. 2022

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“…The circulating flow rate and the circulating pressure are usually chosen as the design criteria to support a reasonable circulating solution. To this end, the circulating flow will firstly be decided according to the heat exchanging requirement inside the cooling structure, and then the actuating pressure can be determined based on the circulating flow requirement (Li et al , 2020).…”

Section: Circulating Cooling System Designmentioning

confidence: 99%

Design and experimental tests of an active cooling system for a kind of in-vessel inspection manipulator

Zhang

Yuan

2020

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Purpose This paper aims to present the design and experimental tests of an active circulating cooling system for the Experimental Advanced Superconducting Tokamak in-vessel inspection manipulator, which will help the current manipulator prototype to achieve a full-scale in-vessel high temperature environment compatibility. Design/methodology/approach The high-temperature effects and heat transfer conditions of the manipulator under in-vessel environment were analyzed. An active circulating cooling system was designed and implemented on the manipulator prototype. A simulative in-vessel inspection task in a high temperature environment of 100°C was carried out to evaluate the performance of the active circulating cooling system. Findings The proposed active circulating cooling system was proved effective in helping the manipulator prototype to achieve its basic in-vessel inspection capability in a high temperature environment. The active circulating cooling system performance can be further improved considering the cooling structure coefficient differences in different manipulator parts. Originality/value For the first time, the active circulating cooling system was implemented and tested on a full-scale of the in-vessel inspection manipulator. The experimental data of the temperature distribution inside the manipulator and the operating status of the circulating system were helpful to evaluate the current active circulating cooling system design and provided effective guidance for improving the overall system performance.

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Comparison of heat transfer characteristics between natural ester oil and mineral oil in large oil-immersed transformer

Shen

et al. 2022

Heat Mass Transfer

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A heat transfer calculation method and primary verification for high-temperature fluid transmission and distribution network from EAST

Cited by 5 publications

References 15 publications

A Forecasting Method for Macro-Control Policy of Heating Energy Consumption and Carbon Emissions Based on Building Area and Energy Intensity: A Case Study of Northern China

A Forecasting Method for Macro-Control Policy of Heating Energy Consumption and Carbon Emissions Based on Building Area and Energy Intensity: A Case Study of Northern China

Design and experimental tests of an active cooling system for a kind of in-vessel inspection manipulator

Comparison of heat transfer characteristics between natural ester oil and mineral oil in large oil-immersed transformer

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