Energy Science and Engineering

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Spectral response measurements of multijunction solar cells with low shunt resistance and breakdown voltages
Energy Science and Engineering - Tập 4 Số 6 - Trang 372-382 - 2016
Juan Pablo Babaro, Kevin G. West, Behrang H. Hamadani
AbstractSpectral response measurements of germanium‐based triple‐junction solar cells were performed under a variety of light and voltage bias conditions. Two of the three junctions exhibited voltage and light bias‐dependent artifacts in their measured responses, complicating the true spectral response of these junctions. To obtain more insight into the observed ph...... hiện toàn bộ
Magnetization influence analysis of the casing and drill pipe in shale gas dual horizontal well Rotating Magnet Ranging System drilling process
Energy Science and Engineering - Tập 8 Số 9 - Trang 3186-3199 - 2020
Pan Wu, Minghui Wei
AbstractRotating Magnet Ranging System (RMRS) is one of the core guiding technologies for shale gas extraction, and its magnetic measurement data will inevitably be affected by the downhole magnetic objects in the target magnetic field. The casing and drill pipe, which are apt to be magnetized by the magnetic sub, are major influencing factors of the measurement re...... hiện toàn bộ
Experimental and numerical study on thermal‐hydraulic performance of printed circuit heat exchanger for liquefied gas vaporization
Energy Science and Engineering - Tập 8 Số 2 - Trang 426-440 - 2020
Zhongchao Zhao, Xu‐Dong Chen, Zhang Xiao, Xiaolong Ma, Shan Yang
AbstractThe thermal‐hydraulic performance of printed circuit heat exchanger (PCHE) through an experimental vaporization process of supercritical nitrogen was investigated. The inlet temperature of supercritical nitrogen was controlled between 113 K and 129 K, while its pressure was controlled between 4.5 MPa and 6 MPa. The mass of supercritical nitrogen corresponds...... hiện toàn bộ
Parametric analysis and systems design of dynamic photovoltaic shading modules
Energy Science and Engineering - Tập 4 Số 2 - Trang 134-152 - 2016
Johannes Hofer, Abel Groenewolt, Prageeth Jayathissa, Zoltán Nagy, Arno Schlueter
AbstractShading systems improve building energy performance and occupant comfort by controlling glare, natural lighting, and solar gain. Integrating PV (photovoltaics) in shading systems opens new opportunities for BIPV (building integrated ph...... hiện toàn bộ
Enhanced oil recovery mechanism and recovery performance of micro‐gel particle suspensions by microfluidic experiments
Energy Science and Engineering - Tập 8 Số 4 - Trang 986-998 - 2020
Wenhai Lei, Tong Liu, Chiyu Xie, Haien Yang, Tianjiang Wu, Moran Wang
AbstractMicro‐gel particle suspensions (MGPS) have been proposed for enhanced oil recovery (EOR) in reservoirs with harsh conditions in recent years, yet the mechanisms are still not clear because of the complex property of MGPS and the complex geometry of rocks. In this paper, the micro‐gel particle‐based flooding has been studied by our microfluidic experiments o...... hiện toàn bộ
How green is blue hydrogen?
Energy Science and Engineering - Tập 9 Số 10 - Trang 1676-1687 - 2021
Robert W. Howarth, Mark Z. Jacobson
AbstractHydrogen is often viewed as an important energy carrier in a future decarbonized world. Currently, most hydrogen is produced by steam reforming of methane in natural gas (“gray hydrogen”), with high carbon dioxide emissions. Increasingly, many propose using carbon capture and storage to reduce these emissions, producing so‐called “blue hydrogen,” frequently...... hiện toàn bộ
Advances on waste valorization: new horizons for a more sustainable society
Energy Science and Engineering - Tập 1 Số 2 - Trang 53-71 - 2013
Rick Arneil D. Arancon, Carol Sze Ki Lin, King Ming Chan, Tsz Him Kwan, Rafael Luque
AbstractIncreasingly tighter regulations regarding organic waste, and the demand for renewable chemicals and fuels, are pushing the manufacturing industry toward higher sustainability to improve cost‐effectiveness and meet customers’ demand. Food waste valorization is one of the current research areas that has attracted a great deal of attention over the past few y...... hiện toàn bộ
Numerical investigation of casing shear deformation due to fracture/fault slip during hydraulic fracturing
Energy Science and Engineering - Tập 8 Số 10 - Trang 3588-3601 - 2020
Hu Meng, Hongkui Ge, Fu DengWei, Xiaoqiong Wang, Yinghao Shen, Zhenxin Jiang, Jianbo Wang
AbstractThe frequent occurrence of casing failure has significantly affected the development of shale gas in the Sichuan Basin. Based on engineering and geology analyses, natural fracture/fault slip leads to casing shear deformation during hydraulic fracturing. Hence, natural fracture/fault slip and casing‐cement sheath‐formation assembly finite element models were...... hiện toàn bộ
Characteristics of energy storage and dissipation of coal under one‐time cyclic load
Energy Science and Engineering - Tập 8 Số 9 - Trang 3117-3135 - 2020
Kang Peng, Shaowei Shi, Quanle Zou, Junhui Mou, Jin Yu, Yongjiang Zhang, Yanying Cheng
AbstractEnergy is an important research parameter in rock mechanics. To explore the law of energy evolution of coal, a one‐time loading and unloading test under uniaxial compression was conducted on coal taken from four different coal mines. By utilizing the area integral method, the total input, elastic, and dissipated energy densities in coal at different unloadi...... hiện toàn bộ
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