Results 51 to 60 of about 4,471,027 (242)
Heat Transfer Performance and Flow Characteristics of Helical Baffle–Corrugated Tube Heat Exchanger
Applied SciencesHeat exchangers are widely used in petrochemical and other industries. Improving the efficiency of heat exchangers to increase energy utilization is crucial.
Junwen Cheng +3 more
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Research on explosion-proof technology for coal mine rescue robot
Gong-kuang zidonghua, 2019 The paper introduced general situation of explosion-proof technology of coal mine rescue robot, and summarized the research status and application of explosion-proof technology of coal mine rescue robot at home and abroad, and pointed out some progress ...
ZHENG Xuezhao +3 more
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Transparent and efficient shared-state management for optimistic simulations on multi-core machines [PDF]
, 2012 Traditionally, Logical Processes (LPs) forming a simulation model store their execution information into disjoint simulations states, forcing events exchange to communicate data between each other. In this work we propose the design and implementation of
PELLEGRINI, ALESSANDRO +3 more
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Research on surge protection technology of coal mine safety monitoring system
Gong-kuang zidonghua, 2018 The conventional surge protection technology was introduced. Based on theoretical research and standard test of electromagnetic compatibility surge protection technology in coal mine safety monitoring system, it was indicated that the conventional surge ...
ZHANG Ziliang
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Intrinsic Safety of Capacitive-Resistive Circuit.
Shigen-to-Sozai, 1994 Electric-arc ignition test of methane gas has been carried out for some capacitive-resistive circuit models. The results of the minmum ignition voltages (Vm) for circuits with paticular parameters and with the discharged energy values, has been evaluated.
Hironori HANEDA, Yasumori TAKAHASHI
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Estimate of intrinsic safety of capacitive circuits [PDF]
E3S Web of Conferences, 2019 A universal method has been developed and tested for computer estimate of intrinsic safety of inductive capacitive circuits, which takes into account the most hazardous discharge type by contact closure and the regression dependences are obtained of minimal igniting energy on discharge time in a capacitive circuit and the comparison is made of results ...
Hladkov Oleksandr +2 more
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Overview of Problems and Solutions in the Design of Intrinsically Safe Apparatuses
Elektronika ir Elektrotechnika, 2023 The article presents selected basic problems occurring in the design of intrinsically safe apparatuses, solutions to some of them, and points out mistakes made during their design.
Sławomir Chmielarz +4 more
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A new approach for bin packing problem using knowledge reuse and improved heuristic
Scientific ReportsThe two-dimensional (2D) irregular packing problem is a combinatorial optimization problem with NP-complete characteristics, which is common in the production process of clothing, ships, and plate metals.
Jie Fang +4 more
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Case Studies in Thermal EngineeringContact melting (CM) enables the formation of an ultrathin liquid film between the phase change material (PCM) and the heated surface, where the extremely low thermal resistance (TR) ensures superior thermal conductivity (TC).
Junkai Li +5 more
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Design of quasi-resonant flyback secondary intrinsically safe power supply [PDF]
Archives of Electrical Engineering, 2019 In order to improve the efficiency and ensure the security of power supply used in a mine, this paper mainly studies the quasi-resonant flyback secondary power supply and analyzes its operational principles based on the requirements of soft-switching ...
Shengnan Lu, Bin Wang
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