Results 11 to 20 of about 20,017 (219)
Realization of physical circuit modeling method for substation drawings
电力工程技术, 2023 At present, the original drawing information of the substation is stored in a single way, and the degree of digital analysis is not high. In order to reduce the huge workload of manually analyzing the original drawing of the substation, a method is ...
HOU Jin +5 more
doaj +1 more source
Applied Sciences, 2023 It is difficult to adapt traditional screw motors with rubber stators to the high-temperature and high-pressure conditions in ultra-deep wells, where rubber stators age, deform and carbonize, resulting in motor failure.
Xin Fang +6 more
doaj +1 more source
Abnormal variation of P-wave velocity of red sandstone after cyclical thermal shock in water
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023 Hot dry rock (HDR) has great development potential because of its advantages of clean, environmental protection and renewable. The study of physical and mechanical properties of HDR is one of the important links in the process of geothermal energy ...
Jianjun Hu +5 more
doaj +1 more source
A Piezoelectric Linear Actuator Controlled by the Reversed-Phase Connection of Two Bimorphs
IEEE Access, 2021 A linear actuator controlled by the reversed-phase connection of two piezoelectric bimorphs is proposed in this study to solve the problem of drawback in the existing piezoelectric linear actuators.
Tianyu Jiang +5 more
doaj +1 more source
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023 Liquid nitrogen (LN2) fracturing is recognized as an innovative reservoir enhancement technique, demonstrating significant potential in establishing high permeability pathways in geothermal development. Understanding the physico-mechanical properties and
Zhouqian Wu +4 more
doaj +1 more source
An Integrated Piezoelectric Inertial Actuator Controlled by Cam Mechanisms
IEEE Access, 2021 This paper presents a battery-supplied piezoelectric actuator controlled by cam mechanisms. The actuator moves by matching the phase difference between the clamp and the excitation cams.
Qitao Lu +4 more
doaj +1 more source
Materials & Design, 2020 Nickel nanowires (Ni NW) with high aspect ratio and excellent electrical conductivity were prepared by liquid phase chemical reduction. Polyvinylidene fluoride (PVDF)/Ni NW composite films were fabricated by solution mixing casting and compression ...
Sunjie Hu +7 more
doaj +1 more source
Reorganization of Brain Functional Network during Task Switching before and after Mental Fatigue
Sensors, 2022 Mental fatigue is a widely studied topic on account of its serious negative effects. But how the neural mechanism of task switching before and after mental fatigue remains a question.
Hongyang Zhong +7 more
doaj +1 more source
Nanomaterials, 2022 Soaring developments in wearable electronics raise an urgent need for stretchable electrets. However, achieving soft electrets simultaneously possessing excellent stretchability, longevity, and high charge density is still challenging.
Jianbo Tan +7 more
doaj +1 more source
IEEE Access, 2020 To meet the dual requirement of high flow rate and high output pressure in water-cooling system of electronic chip, a quintuple-bimorph tenfold-chamber piezoelectric pump (QTPP) is presented, which owns the comprehensive advantages of parallel and serial
Song Lu +6 more
doaj +1 more source