Analysis of Power Planning Deviation Influence on the Non-fossil Energy Development Goal

Xu, Weiting; Li, Ting; Ye, Qiang; Zhu, Mingxuan; Liu, Ying; Tao, Yu-xuan

doi:10.1088/1757-899x/199/1/012098

Cited by 1 publication

(1 citation statement)

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“…China has pledged that its carbon footprint will peak by 2030 and become carbon neutral by 2060. Although fossil fuels are not sustainable and result in severe environmental and health problems, they are still the basis for human survival and development for a long time in the future [ 8 , 9 , 10 ]. Renewable energy resources (RES) are the most promising alternatives to fossil fuels, but it is worth mentioning that the current realization of renewable energy resources has to overcome many challenges and barriers [ 11 , 12 ].…”

Section: Introductionmentioning

confidence: 99%

Influence of Rotational Speed on Isothermal Piston Compression System

Ren

Wang

et al. 2023

Entropy

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An isothermal piston is a device that can achieve near-isothermal compression by enhancing the heat transfer area with a porous media. However, flow resistance between the porous media and the liquid is introduced, which cannot be neglected at a high operational speed. Thus, the influence of rotational speed on the isothermal piston compression system is analyzed in this study. A flow resistance mathematical model is established based on the face-centered cubic structure hypothesis. The energy conservation rate and efficiency of the isothermal piston are defined. The effect of rotational speed on resistance is discussed, and a comprehensive energy conservation performance assessment of the isothermal piston is analyzed. The results show that the increasing rate of the resistance work increases significantly proportional to the rotational speed, and the proportion of resistance work in the total work increases gradually and sharply. The total work including compression and resistance cannot be larger than the compression work under adiabatic conditions. The maximum rotational speed is 650 rpm.

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