Results 191 to 200 of about 20,129 (306)

Research on Optimal Width of Coal Pillars in Both Sides of Abandoned Mining Areas and Tunnel Control Technology

Energy Science &Engineering, EarlyView.
This study primarily investigates the optimal width for coal pillar retention in both sides of the worked‐out face section. Taking the 42201 haulage roadway of the 42201 working face at Shengxin Coal Mine as the primary research target, it analyses the optimum width for coal pillar retention through theoretical calculations, numerical simulations, and ...
Shuaifeng Yin, Kanglei Han, En Wang, Yitao Yan, Xubo Zhao   +4 more
wiley   +1 more source

Wavy collector design for high-efficiency solar chimney power plants. [PDF]

Sci Rep
Elsayed AM, Aziz MA, Elshimy H.
europepmc   +1 more source

Stability Evaluation and Parametric Optimization of Coal‐Concrete Composite Bearing Systems Under Mine‐Water‐Induced Deterioration: Experiments and FEINN Analysis

Energy Science &Engineering, EarlyView.
Mine‐water immersion tests reveal pronounced coal weakening (vs. minor concrete degradation), identifying coal pillars as the stability‐limiting component in composite dams. A coupled FEINN framework quantifies extreme‐pressure stability and ranks multi‐parameter designs via a normalized multi‐indicator scheme, enabling optimized dam configuration for ...
He Wen, Hongchuan Dai, Guixin Zhang, Pengzhe Li, Tong Yang, Cang Gong, Renbo Gao   +6 more
wiley   +1 more source

Cryoballoon Roof Line and Pulmonary Vein Isolation for Persistent Atrial Fibrillation: A Randomized Trial. [PDF]

Circ Arrhythm Electrophysiol
Li C, Zhao Y, Ju R, Liu C, Dong S, Song J, Qin A, Cao J, Yu M, Huang X, Guo Z, Huang S.   +11 more
europepmc   +1 more source

Discussion of Paper by Chin, Cheng, Lepage, and Lequesne

Earthquake Engineering &Structural Dynamics, EarlyView.
Prateek Shah, Santiago Pujol, Liam Pledger, Lucas Laughery   +3 more
wiley   +1 more source

A Novel Bipolar DC Connection Strategy for Photovoltaic Power Plants With a 50% Reduction in DC Cabling Length

Energy Science &Engineering, EarlyView.
Bipolar configuration is a new topology in the direct current (DC) system of photovoltaic power plants, which is topologically analogous to the bipolar configuration utilised in High‐Voltage Direct Current power transmission systems. DC cable length and copper usage are reduced by 50% using a bipolar configuration.
Duško M. Tovilović, Željko R. Đurišić, Vladan R. Durković   +2 more
wiley   +1 more source

Wind-induced response analysis of flat-elliptical pipe skeleton plastic greenhouse considering dynamic wind effects. [PDF]

Sci Rep
Xie H, Wei C, Zheng X, Xu W.
europepmc   +1 more source

Hotel Roof, De Smet SD, Kingsbury County

35 mm slide, flat roof of brick building with windowsDrawer info: Hutchinson - Lawrence; Kingsbury CountyKodachrome Slide (De Smet - Kingsbury Co.

core  

Thermal Analysis of Cells Behavior in Modular Lithium Iron Phosphate Battery System in Urban Electric Bus Fleet

Energy Science &Engineering, EarlyView.
Real‐world analysis of lithium iron phosphate battery systems in electric buses shows minimal short‐term temperature impact on energy but significant long‐term degradation at higher temperatures. Efficient cooling and thermal uniformity are critical to prevent accelerated aging, maintain performance, and ensure safety under dynamic operating conditions.
Wiktoria Kaczmarek, Przemyslaw Galek, Dariusz Michalak, Leszek Kasprzyk, Anna Hanc   +4 more
wiley   +1 more source

Influence of Ground Granulated Blast-Furnace Slag on Solar Reflectance, Lightness, and Temperature of Hardened Cement Paste Surface. [PDF]

ACS Omega
Shafigh P, Loh PY, Aslam M, Yap SP.
europepmc   +1 more source