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Variation law of roof stress and permeability enhancement effect of repeated hydraulic fracturing in low-permeability coal seam

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

Hydraulic fracturing experiments were conducted to study the change of initial fracture pressure and roof stress under repeated hydraulic fracturing i......

An effective approach of dropping the backfire possibilities of a hydrogen-fuelled opposed rotary piston engine

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (8)

Backfire of hydrogen-fuelled internal combustion engines limits the hydrogen fuel applications and drops the power output. Opposed rotary piston (ORP)......

Research on the reliability allocation calculation method of a wind turbine generator set based on a vine copula correlation model

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

To consider the failure correlation among key subsystems, based on the reliability allocation method of the series system, a wind turbine reliability ......

A brief review of electrocatalytic reduction of CO2-Materials, reaction conditions, and devices

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (7)

Global warming caused by the rapid increase in atmospheric CO2 concentration is regarded as one of the most serious problems faced by human being. Ele......

Fracturing and production analysis of the efficacy of hydraulic fracture stage reduction in the improvement of cost-effectiveness in shale oil development: A case study of Jimsar shale oil, China

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

The effective production of shale oil is important for the cost-effectiveness in the oil and gas industry. Oil price volatility and uncertainty requir......

Safety challenges and safety measures of Li-ion batteries

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

Lithium-ion batteries (LIBs) have become the main choice for electric vehicles (EVs). However, the thermal runaway problems of LIBs largely limit the ......

Preparation of energy platform chemicals by hydrothermal conversion of citrus peel

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (7)

In recent years, there has been a great interest in the conversion from agricultural waste to high value-added chemicals. Citrus peel is a low-cost an......

Study on the pressure relief effect in gob-side coal body during mining an inclined longwall panel

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

This study combined multi-field coupled numerical calculations and field measurements to analyze the gas pressure relief and the outburst elimination ......

Combining experimental and logging data for calculation of the true skin factor of a horizontal well

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

Horizontal wells are an effective way to develop oil and gas fields with large drain areas, leading to high production rates and recoveries. They have......

Predicting the critical drawdown pressure of sanding onset for perforated wells in ultra-deep reservoirs with high temperature and high pressure

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

Perforated wells in ultra-deep sandstone reservoirs are characterized by high reservoir temperature, high formation pressure, and high production, and......

Credit evaluation method of generating companies considering the market behavior in China electricity market

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

Since the reformation of the electricity market of China is increasing and the modernization of the national governance system is being promoted, the ......

Investigation on pressure pulsation and modal behavior of the impeller in a nuclear reactor coolant pump

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

As the unique rotating component, the impeller is the core component of a nuclear reactor coolant pump (RCP), the dynamic properties of the impeller a......

Numerical simulations of depressurization-induced gas production from hydrate reservoirs at site GMGS3-W19 with different free gas saturations in the northern South China Sea

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

Class 1 hydrate reservoirs are regarded as the most promising targets for gas production. Previous investigations in the northern South China Sea have......

Optimization of wavy fin-and-elliptical tube heat exchanger using CFD, multi-objective genetic algorithm and radical basis function

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

This article presents an accurate and efficient optimization method for heat exchanger. The structure of the original heat exchanger was optimized by ......

Effects of air cooling structure on cooling performance enhancement of prismatic lithium-ion battery packs based on coupled electrochemical-thermal model

期刊: ENERGY SCIENCE & ENGINEERING, 2021; 9 (9)

The increasing temperature of lithium-ion batteries during charging and discharging affects its operational performance. The current studies mainly ad......

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