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Flow and Pressure

THE PRESSURE FLOW RELATIONSHIPS OF THE INTRATHORACIC AIRWAY IN MAN

THE PRESSURE FLOW RELATIONSHIPS OF THE INTRATHORACIC AIRWAY IN MAN

... PRESSURE-FLOW BEHAVIOR OF INTRATHORACIC AIRWAYS pressure drop can be calculated for each flow, it is possible to derive a flow versus frictional pressure drop curve by subtracting the co[r] ...

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Quantification of the distribution of blood flow pressure with postures

Quantification of the distribution of blood flow pressure with postures

... The extreme values of the blood flow pressure varied with postures as G ≠ 0 (Figure 4). Hemodynamic vari- ables, such as SBP/DBP, are significantly different from supine values at each tilting angle [5]. ...

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Analysis of Flow Regulating Pressure Valve by using FEA

Analysis of Flow Regulating Pressure Valve by using FEA

... most flow applications require regulating the flow of liquid, and usually the parameter of concern is the ...of flow regulating pressure valve by Finite |Element Analysis by using nonlinear ...

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Flow Unsteadiness and Pressure Pulsations in a Nuclear Reactor Coolant Pump

Flow Unsteadiness and Pressure Pulsations in a Nuclear Reactor Coolant Pump

... circulation flow of the coolant in the main loop ...internal flow in the mixed-flow nuclear reactor coolant pump is one of the key problems for the development of reactor coolant pumps in large ...

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Water flow across the interface of contrasting materials: Pressure discontinuity and its implications

Water flow across the interface of contrasting materials: Pressure discontinuity and its implications

... Change in the effective permeability and the pressure drop over the media interface 405. in the 3D column shown in Figure 4a as the flow rate through it increases.[r] ...

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Caffeine and Pressure Flow Autoregulation

Caffeine and Pressure Flow Autoregulation

... on pressure-flow ...blood pressure, peripheral blood flow, calculated peripheral vascular resistance, and the electrocardiogram during an autoregulatory ma- neuver in the absence and presence ...

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Validation of pressure gradient and peripheral fractional flow reserve measured by a pressure wire for diagnosis of iliofemoral artery disease with intermediate stenosis

Validation of pressure gradient and peripheral fractional flow reserve measured by a pressure wire for diagnosis of iliofemoral artery disease with intermediate stenosis

... Pressure measurements were performed for 37 consecu- tive patients (40 lesions) with claudication and critical limb ischemia who had iliofemoral atherosclerotic artery disease for which EVT was planned according ...

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Portal Blood Flow in Cirrhosis of the Liver

Portal Blood Flow in Cirrhosis of the Liver

... portal flow and pressure in a relatively large number of patients with cirrhosis show a marked reduction in flow associated with a nearly constant plateau of portal ...splanchnic flow between ...

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The selection of electrical analog components from computational model impedance spectra

The selection of electrical analog components from computational model impedance spectra

... the phase angle of the impedance spectra changes slope, as “best” illustrates features present in the impedance spectra that are useful for predicting resistance values, namely the range of harmonics that should be ...

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The sub pulmonary conus and the arterial anastomosis as important sites of cardiovascular regulation in the crocodile Crocodylus porosus

The sub pulmonary conus and the arterial anastomosis as important sites of cardiovascular regulation in the crocodile Crocodylus porosus

... blood flow under normal conditions is derived to a large extent from the RAo via the ...aortic pressure and eventually a ...aortic pressure increased while the left aortic pressure decreased ...

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Interpretation of pressure tests in uniform flux 
		fractured vertical wells with threshold pressure gradient in low 
		permeability reservoirs

Interpretation of pressure tests in uniform flux fractured vertical wells with threshold pressure gradient in low permeability reservoirs

... the pressure behavior of vertical wells in low permeability reservoirs under the influence of ...on pressure tests in uniform-flux hydraulically fractured vertical ...pseudorradial flow regime when ...

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Validation of a flow-structure-interaction computation model of phonation

Validation of a flow-structure-interaction computation model of phonation

... the flow model is separately validated in the absence of VF ...of flow-induced VF motion, comparisons are made of the flow pressure on the VF walls and of the resulting VF ...of flow ...

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Radiator Heat Dissipation Performance

Radiator Heat Dissipation Performance

... Some previous references were found with experimental analysis of the thermal and fluid-dynamic behavior of automotive radiators. Gollin and Bjork [1] experimentally compared the performance of five commercial ra- ...

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A validated numerical experimental design methodology for a movable supersonic ejector compressor for waste heat recovery

A validated numerical experimental design methodology for a movable supersonic ejector compressor for waste heat recovery

... choked flow can occur in two locations: in the throat section of the primary nozzle and in the mixing ...entrained flow accelerates from a low velocity state at the suction port to a sonic flow in ...

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Investigation of Fire Protection Certification for Aircraft Engine Components

Investigation of Fire Protection Certification for Aircraft Engine Components

... Abstract: Fire protection performance is one of the most important capabilities for aircraft engine, since the result may be hazardous in the case of a fire condition. According to fire protection regulation CCAR 33.17 ...

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CFD Analysis of Axial Flow Fans with Skewed Blades

CFD Analysis of Axial Flow Fans with Skewed Blades

... essential to keep manufacturing processes working, Fans may be classified as centrifugal fans and axial-flow fans. Centrifugal fans are further classified as radial fans (with flat blades), forward curved fans, ...

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Subdynamic asymptotic behavior of microfluidic valves

Subdynamic asymptotic behavior of microfluidic valves

... control flow to V despite the adverse pressure drop from V to Y, 2) to reverse the flow at Y by entraining a small purge flow to clear previous sample remnant from stagnant zones in the ...

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Flow Modelling Of Nasal Cavity With Various Flow Rate

Flow Modelling Of Nasal Cavity With Various Flow Rate

... air flow passage for human ventilation and ...the flow behaviour and the flow pattern of air throughout the nasal ...and pressure of air that flow inside the nasal ...

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Thermal effect in pressure fluctuation : internal flow

Thermal effect in pressure fluctuation : internal flow

... Fluid around a structure can significantly change the structure’s vibration characteristics. The presence of a inactive fluid decreases the natural frequencies and increases the damping of the structure. A dense fluid ...

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Study on Characteristics of Cross Flow in the Prismatic VHTR Core

Study on Characteristics of Cross Flow in the Prismatic VHTR Core

... cross flow phenomena, cross flow experiment was designed and the full scale experimental facility was ...Inlet flow rate of upstream block, outlet flow rate of downstream block, ...

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