نتایج جستجو برای: wave celerity
تعداد نتایج: 218203 فیلتر نتایج به سال:
Poor planning in the allocation of hospital resources can be devastating on a social level, causing excess mortality and comorbidities associated with its patients. Effective management where demand for health care is controlled essential, allowing decrease budget responding same quality celerity. The fact that study focuses single period, due to SARS-COV-2 pandemic, means conclusions drawn thi...
The objective of this experiment is to better understand the combustion behavior of pulsed, turbulent diffusion flames by conducting experiments in microgravity. The fuel jet is fully-modulated (i.e., completely shut off between pulses) by an externally controlled valve system leading to enhanced fuel/air mixing compared to acoustically excited or partiallymodulated jets[1]. Experiments are con...
Abstract Background Prolonged P-wave duration and P-wave dispersion indicate interatrial conduction disturbance and early predict arrhythmia especially atrial fibrillation. Iron deposition in the atrial tissue might prolonged the atrial conduction time, and this study evaluated the P-wave prolongation and increased P-Wave dispersion in these patients. Materials and Methods Fifty patients w...
in this paper, a two-dimensional reynolds averaged navier-stokes (rans) model is developed to simulate the shoaling, breaking and overtopping of a solitary wave over a vertical breakwater. turbulence intensity is described by using a k turbulence closure model and the free surface configuration is tracked by volume of fluid (vof) technique. to validate the numerical model the simulation result...
Previous modeling studies of hyporheic exchange induced by moving bedforms have used a reference frame, typically corresponding to an individual bedform. However, this approach is not suitable for simulating the and accumulation immobile fine particles beneath bedforms, which commonly occurs in sand-bed streams, as both stationary features must be considered. Here we present novel simulation fr...
a considerable amount of energy is released in the form of shock wave from explosive charge detonation. shock wave energy is responsible for the creation of crushing and fracture zone around the blast hole. the rest of the shock wave energy is transferred to rock mass as ground vibration. ground vibration is conveyed to the adjacent structures by body and surface waves. geological structures li...
optical interferometry is being used as an efficient tool to analyse smooth surfaces for more than a century. although, due to introduction of novel computer assisted analyzing techniques and array detectors, like ccd, the speed and the precision of processing have been increased tremendously, but the main equation involved is not changed. the main equation is the intensity distribution in the ...
in this research, we investigated the glottal wave of persian vowels, using electroglottography. in the first level, the properties of vowels glottal wave were analyzed. in the second level, the glottal wave between male and female speakers were compared. contact quotient is the glottal wave parameter which was analyzed. data included six persian vowels and the glottal wave recorded using elec...
The effects of wave direction, frequency and the waterline shape of floating structures on the wave mean drift force formula have been considered separately by several authors but there isn't a general formula to take into account all of these effects. In this regard, Faltinsen’s wave drift force formula has been modified by adding finite draft coefficient. The results obtained from this formu...
The severity, certainty and celerity (swiftness) of punishment are theorised to influence offending through deterrence. Yet is rarely included in empirical studies criminal activity the three deterrence factors have never been analysed one model. We address this gap with an analysis using unique panel data recorded theft, burglary violence against person for 41 Police Force Areas England Wales ...
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