Results 11 to 20 of about 219,485 (307)
Journal of Marine Science and Engineering, 2023 To conduct a precise shock assessment of marine diesel engines, a 200 t floating shock platform was utilized to simulate realistic testing conditions. The testing generated the acceleration time curve and the shock response spectrum for the diesel engine.
Yu Zhang +5 more
doaj +2 more sources
Numerical analysis on shock environment in different ship regions subjected to underwater explosion
Zhongguo Jianchuan Yanjiu, 2018 [Objectives] The shock environment of a warship in an underwater explosion is the basic input for the design and shock resistance ability evaluation of ship equipment.
DONG Jiuting +3 more
doaj +2 more sources
Damage Boundary Study of Crystal Oscillators under Shock Environment
Shock and Vibration, 2020 The crystal oscillator is a widely used electronic component in a circuit, whose accuracy is strongly affected by the external mechanical environment. To depict the failure mechanism of the crystal oscillator, the damage boundary of this component under ...
Changjian Zhao +5 more
doaj +2 more sources
On the interplay between cosmological shock waves and their environment [PDF]
Astrophysics and Space Science, 2017 Cosmological shock waves are tracers of the thermal history of the structures in the Universe. They play a crucial role in redistributing the energy within the cosmic structures and are also amongst the main ingredients of galaxy and galaxy cluster formation.
Sergio Martin-Alvarez +2 more
openaire +3 more sources
Performance Analysis of a Travelling-Wave Ultrasonic Motor under Impact Load
Micromachines, 2020 With the increased application of ultrasonic motors, it is necessary to put forward higher demand for the adaptability to environment. Impact, as a type of extreme environment, is widespread in weapon systems, machinery and aerospace.
Jiahan Huang, Dong Sun
doaj +1 more source
Development of Impact Test Device for Pyroshock Simulation Using Impact Analysis
Aerospace, 2022 Pyrotechnic-separation devices are widely used in the separation mission of satellites and projectiles. The pyroshock generated by the pyrotechnic-separation device can cause serious damage to surrounding electronic equipment owing to its high-frequency ...
Bae-Seong Kim, Juho Lee
doaj +1 more source
Maximum self‐generated electric field induced by pyroelectricity of PZT 95/5
International Journal of Ceramic Engineering & Science, 2021 Electric field induced by pyroelectric effect is often observed in the ferroelectric devices when they subject to temperature change. But the maximum value of ferroelectric field is still unknown.
Fu‐Ping Zhang +7 more
doaj +1 more source
Jurnal Ners, 2021 Introduction: Indonesian nurses living and working in Japan with a culture likely to be very different from their own may be additional sources of culture shock, feeling confusion and discomfort when living in a new country.
Erwin Yektiningsih +2 more
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Nihon Kikai Gakkai ronbunshu, 2023 Marman clamp band separation mechanism is often used to separate a satellite from a launch vehicle. During the separation, the Marman clamp band releases its clamped force and to expose the satellite to a harsh environment of high-magnitude acceleration ...
Naoki AKITA +3 more
doaj +1 more source
The effect of specimen thickness on the shock propagation along the in-fibre direction of an aerospace-grade CFRP laminate [PDF]
, 2009 In-fibre measurements of the Hugoniot have been carried out on a carbon fibre-reinforced polymer composite. For this material, we have shown at high shock stresses, a two component wave was formed consisting of a fast moving ramped portion and a slower ...
Cooper, G. +2 more
core +1 more source