Search results

...description|Formula that relates characteristics of the pipe and internal pressure it can withstand}} ...at a [[pipe (material)|pipe]]<ref>Or pressure vessel, or other cylindrical pressure containment structure.</ref> can withstand to its dimensions and the [[Stre ...

The single curved geometry and pressure differential causes a [[Geometric term of location|longitudinal]] crack to ...this phenomenon becomes rather complex due to the [[biaxial]] and internal pressure load and structural configuration.<ref name="America. Federal Aviation Admi ...

...ing or stretching, under conditions of lower internal pressure relative to pressure outside the tube.<ref>Biomechanics Circulation Y.C. Fung 1996</ref> Such co ...ad to a variety of biologically significant phenomena, including nonlinear pressure-drop/flow-rate relations, wave propagation, ...

{{Short description|Method to launch vessels with marine air bags}} '''Airbag launching''' refers to a method to launch vessels with marine air bags. It is a methodology for [[ceremonial ship launching|s ...

...al Reynolds and Womersley Numbers the functions of velocity (u’,v’,w’) and pressure (P’) for any variation of flow.<ref>Jones, Robert T. "Blood Flow," ''Annual ...n shape, and the center-line velocity oscillates in phase with the driving pressure gradient.<ref>Ku, David N. "Blood Flow in Arteries," ''Annual Review of Flu ...

...ter-filled glass tube in air at [[standard conditions for temperature and pressure]], {{nowrap|''γ'' {{=}} 0.0728 N/m}} at 20 °C<!-- ...sures]] are also important.<ref>{{cite web | title=The Physics of Negative Pressure | url=http://discovermagazine.com/2003/mar/featscienceof | publisher=[[Disc ...

...l, and food and pharmaceutical equipment like [[Storage tank|tank]]s and [[Pressure vessel|vessel]]s. Chemical equipment that range in size from less than a me ...al strength requirements to withstand design conditions such as internal [[pressure]] or [[vacuum]], hydrostatic loads, [[seismic]] loads (including fluid slos ...

...Microvascular"] Merriam-Webster. N.p., n.d. Web. 21 May 2012.</ref> As the vessels decrease in size, they increase their surface-area-to-volume ratio. This al Diffusion occurs through the walls of the vessels due to a concentration gradient, allowing the necessary exchange of ions, m ...

...eat can induce an alternating and localized pressure change. This periodic pressure change generates an acoustic wave with a specific frequency. Among various ...limited to high flow rates (<math>>1 </math>cm/s) generally found in large vessels due to the high background ultrasound signal from biological tissue.<ref na ...

...two stationary, parallel plates. This flow is essential for understanding pressure-driven fluid motion, providing insight into velocity profiles and viscous e ...y evaluating the relative importance of various terms, making the study of pressure-driven flows more manageable. ...

* ''p'' is the pressure field, * ''ΔP'': pressure difference across the channel. ...

...is low-temperature distillation (LTD). The LTD process runs under partial pressure in the evaporator and condenser chambers, and with process temperatures of ...been the examination of the influence of non-condensable gases in lowered pressure environments on the [[heat transfer]] during the [[condensation]] process o ...

...e.g. resistances to blood flow), it allows to study the changes in [[blood pressure]]s or flow rates throughout the cardiovascular system.<ref name=":3">{{Cite ...[Kirchhoff's circuit laws|Kirchoff's laws]], under the action of the blood pressure (voltage drop).<ref name=":4" /> ...

...upercritical’ when its temperature and pressure exceed the temperature and pressure at the critical point”. In the studies of supercritical extraction, however ...ercritical region, [[condensation]] cannot happen, no matter how great the pressure is. ...

...ergs/sec. by the product {{math|''pf''}}, where {{mvar|p}} is the fall in pressure in dynes/cm., and {{mvar|f}} is the rate of blood flow in cc./sec., and (2) ...d itself is inert and nonliving, as in the airways of the lungs, where the vessels are filled with air (of no metabolic cost) rather than with blood."</ref> ...

Below then establishes the heat-pressure relationship for a photoacoustic signal.<ref name=":0" /> ...d of sound in the substance of interest, t is time, <math>p(z,t)</math> is pressure as a function of both time and space, β is the thermal expansion coefficien ...

[[File:Tas P U.png|alt=P & U|thumb|'''Figure 1.''' The pressure and velocity measured in the ascending aorta in an elderly man.]] ...es that give rise to [[arterial blood pressure]], based on measurements of pressure, P, and velocity, U, waveforms ('''Figure 1'''). Wave intensity analysis is ...

...risers, etc. and in the petrochemical industry for pipelines and pressure vessels. ...vantage when strength is important. This is the case in bridges, pressure vessels or tie bars. ...

...ulse wave velocity''' ('''PWV''') is the [[velocity]] at which the [[blood pressure]] [[pulse]] propagates through the [[circulatory system]], usually an [[art ...e <math>V</math> is [[volume]] per unit [[length]] and <math>P</math> is [[pressure]]. This is the [[equation]] derived by [[Otto Frank (physiologist)|Otto Fra ...

...to a moving boundary at position ''k'' while ''p''_''k'' is the pressure behind that boundary; ''P'' represents all other forms of power application In case of a volume flow rate <math>\dot V</math> from a pressure ''p''₁ to ''p''₂ ...