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Transformerless Ultrasonic Ranging System with the Feature of Intrinsic Safety for Explosive Environment [PDF]
The transformer used in the conventional ultrasonic ranging system could provide a huge instantaneous driving voltage for the generation of ultrasonic wave, which leads to the safety problem in the explosive mixture. This paper proposes a transformerless
Yu Wang +7 more
doaj +2 more sources
Intrinsic safety principle and phenomenon which influence the intrinsic safety of the circuitry involued [PDF]
When an electric circuit is getting opening by a switch, we notice of course that the current stopS.to flow but we can also observe a very brief flash more or less bright depending on circumstances between the metallic separating parts of the switch ...
Davrou, Claude
core +3 more sources
Intrinsic Safety Risk Control and Early Warning Methods for Lithium-Ion Power Batteries
Since 2014, the electric vehicle industry in China has flourished and has been accompanied by rapid growth in the power battery industry led by lithium-ion battery (LIB) development. Due to a variety of factors, LIBs have been widely used, but user abuse
Yi Cui +7 more
doaj +3 more sources
Dynamic Characteristic Analysis of Centrifugal Pump Impeller Based on Fluid-Solid Coupling
Purpose: Centrifugal pumps are prone to vibration problems during operation due to poor dynamic characteristics of its impellers that serve as the only running parts of such devices; the dynamic characteristics of the impeller during operation are the ...
Yufang Li +4 more
doaj +1 more source
On Intrinsic Safety of Soft Robots [PDF]
The rapidly growing field of soft robotics owes its success to the vast vistas of possibilities they promise. They may be utilized as standalone systems, or work in harmony with the existing robotic technologies. Being based on soft and/or flexible materials, soft robots have usually high dexterity and at the same time, they are also often considered ...
CIANCHETTI, Matteo +1 more
openaire +4 more sources
Experimental Study and Optimization of the Impeller in High-speed Centrifugal Pump
【Background and Objective】 Fatigue fracture has become a major cause of failure in centrifugal pump impellers due to their operation at high speeds. Excessive speed leads to various prestresses, resulting in severe vibrations, resonance, and ultimately ...
WANG Yanwei, REN Yancong, LI Yufang
doaj +1 more source
The extract of peanut shell extract (PSE) is firstly utilized as a novel eco-friendly corrosion inhibitor for the mitigation of corrosion on carbon steel in 0.5 M sulfuric acid medium. The corrosion inhibition performance and adsorption properties of PSE
Yufang Li +9 more
doaj +1 more source
The prediction of failure mechanisms in nonlinear elastic materials holds significant importance in engineering applications. In recent years, the phase-field model has emerged as an effective approach for addressing fracture problems.
Gang Zhang +5 more
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Monotonic and pulsating cyclic compression tests were performed systematically based on high density polyethylene (HDPE). The compressive creep behaviors were further implemented to compare with the ratcheting deformation under the same peak stress level.
Peishan Ding, Xiaotao Zheng, Linwei Ma
doaj +1 more source

