نتایج جستجو برای: stand off distance

تعداد نتایج: 450434  

Journal: :Journal of Fluid Mechanics 2022

The Rayleigh collapse time is the it would take to shrink an empty spherical bubble in infinite liquid domain zero size, which a function of ambient pressure and initial radius. If solid boundary located vicinity shrinking or collapsing bubble, then flow hindered, such that prolonged. This can be quantified with prolongation factor $k$ . Here, we provide for intermediate smallest wall stand-off...

Objective: The aims of this study were to identify the most appropriate indicator to assess the balance in the sudden perturbation test conditions. Methods: In this study, 13 freestyle national wrestlers at the age of 20.5±2.4 and 13 normal subjects with average age of 23.5±1.4 were used recruited. Balancing test was carried out under two conditions: standing with the guard (gu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعت آب و برق (شهید عباسپور) - دانشکده مهندسی مکانیک 1392

هدف اصلی تست پره توربین بادی، نشان دادن سطح قابل قبولی از اطمینان در مورد این موضوع است که وقتی پره ای بر اساس مشخصات معین تولید میشود، استحکام و طول عمر در نظر گرفته شده در طراحی پره را دارا میباشد. باید نشان داده شود که پره می تواند در برابر هم بارهای نهایی (تست استاتیکی) و هم بارهای خستگی (تست دینامیکی) که در طی طول عمر طراحی خود، انتظار می رود با آن مواجه شود، مقاومت کند. یکی از الزامات اج...

Journal: :AIP Advances 2023

To study the dynamic response of a pressurized thin-walled circular tube structure subjected to near-field underwater explosion, deformation and damage tests cylindrical shell with different internal pressures wall thicknesses effects an explosion from 2 g explosives at stand-off distances were carried out in water tank. LS-DYNA finite element software was used carry relevant numerical simulati...

2011
Jeremy P. Gray James R. Mason Patrick R. Griffin Charles E. Dean

Unmanned Ground Vehicle’s (UGV) are becoming more adapted and have increased mission capabilities to support Warfighter ground forces. Researchers develop and enhance unmanned ground vehicles to better aid Warfighters and increase their mission capabilities while mitigating their risk. High risk missions are often performed for infiltration of potential hazardous points of interests that contai...

Journal: :Journal Of Geophysical Research: Space Physics 2022

In a companion statistical study, we showed that the expression of magnetopause surface as power law an elliptic function zenith angle ? holds at lunar distances, flaring is influenced by Interplanetary Magnetic Field (IMF) By component and IMF Bx had no influence on stand-off distance. As follow-up to these results, this paper presents new empirical analytical asymmetric non-indented model loc...

2016
Yuan Luo Peter Szolovits

In natural language processing, stand-off annotation uses the starting and ending positions of an annotation to anchor it to the text and stores the annotation content separately from the text. We address the fundamental problem of efficiently storing stand-off annotations when applying natural language processing on narrative clinical notes in electronic medical records (EMRs) and efficiently ...

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