نتایج جستجو برای: shock standoff

تعداد نتایج: 104576  

2014
Suresh Krishna

We have recently witnessed the series of bomb blasts in Dilshuknagar, Hyderabad. Bombs killed many and left many injured. On Feb 22nd two explosions took place with in one hour. And left the world in shell shock and the Indians in terror. This situation is not limited to Hyderabad but it can happen any where and any time in the world. People think bomb blasts can’t be predicted before handled. ...

ژورنال: مواد پرانرژی 2018

In the present research, the influences of explosive welding parameters on the corrosion behavior of the three layer explosive welds of the tubes Al 5083 / Al 1050 / stcr18Ni9Ti in the salt environment was investigated. The selected parameters included the stand-off distance and the thickness of the explosive charge. Therefore, two samples A and B were welded with stand-off distances of 6 and 6...

ژورنال: مواد پرانرژی 2022

This paper aims to study the numerical behavior of concrete slabs reinforced with perforated steel plates (PSPs) through nonlinear finite element (FE) analysis performed by ABAQUS. In this regard, conventional steel rebars (CSRs) are replaced with (PSPs) in the concrete slabs. Due to the particular geometry that the configuration of the hole provides, these PSPs are more integrated with surroun...

Journal: :IOP conference series 2023

Abstract In this contribution we present the effect of several parameters that are critical for bonding standoffs onto surface spacecrafts’ panels with polymeric adhesives. Standoffs an integral part thermal management space satellites since they ensure MLI blankets mounted and maintained in correct position during whole mission duration, including launch. recent years, there have been de-bondi...

2011
Stefanos Diamantopoulos Natasa Milickovic Saeed Butt Zaira Katsilieri Vasiliki Kefala Pawel Zogal George Sakas Dimos Baltas

PURPOSE This study investigates the distortion of geometry of catheters and anatomy in acquired U/S images, caused by utilizing various stand-off materials for covering a transrectal bi-planar ultrasound probe in HDR and LDR prostate brachytherapy, biopsy and other interventional procedures. Furthermore, an evaluation of currently established water-bath based quality assurance (QA) procedures i...

Journal: :Journal of Thermophysics and Heat Transfer 2023

Vehicles undergoing hypersonic speed experience extreme aerothermodynamic conditions. Real gas effects cannot be neglected, and thus internal degrees of freedom molecules being partially/fully excited must carefully predicted in order to accurately capture the physics flowfield. Within direct simulation Monte Carlo solvers, a harmonic oscillator (HO) model, where quantum levels are evenly space...

2013
Tyler N. Haladuick Duane S. Cronin Philip A. Lockhart Dilaver Singh Amal Bouamoul Jean-Philippe Dionne Simon Ouellet

Blast wave overpressure has been associated with varying levels of traumatic brain injury in soldiers exposed to blast loading. In realistic blast loading scenarios, the mechanisms of primary blast injury are not well known due to the complex interactions of the blast wave with the human body, and the high acceleration experienced over very short time durations. The purpose of this study was to...

2012
T. I. Farouk

Combustion characteristics of isolated sub-millimeter sized methyl butanoate (MB) droplets are studied at low gravity (10 4 m/s) in a 1.2 s drop tower. In the experiments, droplets were grown and deployed onto the intersection of two 14 lm silicon carbide fibers in a cross-string arrangement and exposed to symmetrically placed spark ignition sources. The initial droplet diameter was fixed at 0....

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