نتایج جستجو برای: blast pressure

تعداد نتایج: 428914  

2016
Sherry Adams Jillian A. Condrey Hsiu-Wen Tsai Stanislav I. Svetlov Paul W. Davenport

Overpressurization blast (OB) exposure used to induce traumatic brain injury (TBI) in the rodent model can result in somatomotor and behavioral changes. Increased anxiety is evidenced after OB TBI in Dorsal and Frontal blast-wave exposed injured animals. Sustained impaired somatosensory functions occur after multiple OB injuries in Dorsal animals. Somatomotor function is impaired acutely but pa...

2015
G C Poddar Asha Kumar Shilpa Das Deepa Srivastava G S Singh

Optical fiber based Extrinsic Fabry-Perot Interferometric (EFPI) sensor significantly emerged as an advanced optical sensor for the health monitoring of civil, mechanical and aeronautical structures. This sensor responds its well capability also towards the measurement of acoustic/shock wave pressure. This paper presents an approach for high blast (acoustic/shock wave) pressure measurement usin...

2011
E. Wang A. Shukla

An experimental investigation was conducted to evaluate the dynamic performance of E-glass Vinyl Ester composite face sheet / foam core sandwich panels when subjected to pre-compression and subsequent blast loading. The sandwich panels were subjected to 0 kN, 15 kN and 25 kN of in plane compression respectively, prior to transverse blast wave loading with peak incident pressure of 1 MPa and vel...

Journal: :Journal of neurotrauma 2015
Nam Pham Thomas W Sawyer Yushan Wang Ferdous Rastgar Jazii Cory Vair Changiz Taghibiglou

Traumatic brain injury (TBI) is deemed the "signature injury" of recent military conflicts in Afghanistan and Iraq, largely because of increased blast exposure. Injuries to the brain can often be misdiagnosed, leading to further complications in the future. Therefore, the use of protein biomarkers for the screening and diagnosis of TBI is urgently needed. In the present study, we have investiga...

Journal: :Engineering Structures 2021

This paper investigates the response of steel columns to combined pre-cursor thermal and long duration blast loads. Blast waves are primary damage mechanism from explosive events. However, events also emit Depending upon size standoff distance, effective load can reach a structure prior arrival blast. An structures such that total is different to, or greater than alone. There limited research d...

Journal: :Journal of Insect Science 2001
Jean-Luc Thomas Jérôme Bardou Sebastien L'hoste Bernard Mauchamp Gérard Chavancy

To compensate for the extremely low penetration efficiency of the original PDS/1000-He Bio Rad biolistic device and the deleterious blast effect, design modifications have been made to the launching module. These modifications were evaluated on Bombyx mori embryos and fragile tissues, such as oocytes and imaginal wing disks. The original floppy macrocarrier was replaced by a rigid macrocarrier ...

Journal: :Transactions of the Iron and Steel Institute of Japan 1975

Journal: :Ortopediia travmatologiia i protezirovanie 2023

Blast injury (BI) is a combat multifactorial resulting from the impulse action of complex traumatic factors by mine munition explosion, characterized an interconnected and increasingly severe impact, massive deep tissue damage development general contusion-shock syndrome. For BI with large skin soft defects, it advisable to use negative pressure wound therapy (NPWT). Objective. To analyze effec...

ژورنال: مواد پرانرژی 2015

In this study, the impulses of explosion within an aluminum truncated cone cylinder shells, effective parameters in explosion of these structures and structure effect on blast wave have been investigated. The goals of this study have listed as follows: a) determining critical value of explosives or necessary dynamic pressure for structure failure, b) formability limit during dynamical deforma...

2010
Ibolja Cernak

Due to complex injurious environment where multiple blast effects interact with the body parallel, blast-induced neurotrauma is a unique clinical entity induced by systemic, local, and cerebral responses. Activation of autonomous nervous system; sudden pressure increase in vital organs such as lungs and liver; and activation of neuroendocrine-immune system are among the most important mechanism...

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