Pressure coefficient
J. Braz. Soc. Mech. Sci. & Eng. vol.30 número1
... The recent development of computer-based tools with more efficient algorithms has allowed a substantial improvement in hydraulic turbine design. The definition of an initial geometry capable to assist certain ...
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Computational Investigation on the Effects of Two-Way Wing Morphing Strategy in the Critical Mach Number
... the pressure coefficient (C p ) and Mach number distributions are computed using CFD flow analysis tool to ensure the M cr boundary in the shape morphing process at the time of cruising flight ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.26 número2
... the pressure coefficient in the lines starting from the tip of the baffles to the opposite ...walls. Pressure measurements were performed at the sidewall of the ...the pressure ...
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Braz. J. Phys. vol.33 número2
... flux, pressure coefficient and skin friction coefficient over the satellite surface, the density and temperature distribu- tions in the front of the satellite and streamlines in the gas around the ...
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Aerodynamic Study about an Automotive Vehicle with Capacity for Only One Occupan
... It evaluated in principle the frontal division between the hood and the bumper. Referencing the graph in Figure 4, there was a sharp drop in the pressure coefficient (Cp) in the area indicated by ARROW A. ...
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The Computational Fluid Dynamics Study of Orientation Effects of Oar Blade
... local pressure coefficient using the CFD ...local pressure coefficient is not similar on all the surface of the paddle, with different values between the front and rear faces, (ii) the drag ...
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NUMERICAL AND EXPERIMENTAL ANALYSIS OF THE FLOW OVER A COMMERCIAL VEHICLE- PICKUP
... The use of add-ons to reduce aerodynamic drag is a relatively cheap solution and can be easily design to not affect the functionality of the vehicle. Ha; Jeong; Obayashi (2011) studied the effects of a downward flap on ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.26 número4
... of pressure coefficient distributions along the central body for plane 1 (see ...second pressure peak (x/L ≅ ...experimental pressure distributions, however, show no evidence of a separation ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.26 número2
... dissipation coefficient (CC) of 1.0. It should be observed that this coefficient value is ten times lower than the value used on the supersonic test case and this is justified by the fact that the shock ...
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HYDRAULIC PERFORMANCE OF DRIPPERS APPLYING SANITARY LANDFILL LEACHATE DILUTED IN WATER
... The results of CUC, DUC, and SUC for the operating time of 160 hours showed that the dripper G2 operating at operating pressure P1 was more susceptible to clogging. This was probably due to its longer labyrinth ...
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Manning’s roughness coefficient for the Doce River
... Manning’s coefficient, also promoted discussion about the uncertainty associated to ...roughness coefficient and showed that a 20% change in its value can cause the calculated flood peak to vary by up to ...
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Steady State Thermo-Hydrodynamic Analysis of Two-Axial groove and Multilobe Hydrodynamic Bearings
... the pressure distributions in four lobe bearings both experimentally and ...supply pressure on the performance of single axial groove journal ...feed pressure on the control of film extent and ...
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THEORETICAL BASIS AND SIGNIFICANCE OF THE VARIANCE OF DISCHARGE AS A BIDIMENSIONAL VARIABLE FOR THE DESIGN OF LATERAL LINES OF MICRO-IRRIGATION
... As outlined by Wu (1997), the sum of squares re- lationship shown in the second term of eq. (27) indi- cates the effect that the hydraulic design will be less significant when the emitters have high manufacturer ...
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EFFECT OF BODY SHAPE ON THE AERODYNAMICS OF PROJECTILES AT SUPERSONIC SPEEDS
... For the projectile configuration comprising conical forebody and boattail, the effect of boattail shape on the drag is shown in Fig. 5(a) as a function of Mach number. For all the investigated configurations, the ...
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Evaluation of intraocular pressure and ocular perfusion pressure during hemodialysis
... intraocular pressure and ocular perfusion pressure during hemodialysis sessions, in the pre, intra (hourly) and post dialytic periods, in patients treated at Hemodialysis Reference Services in Fortaleza - ...
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Determination of Turbulence Coefficient using Genetic Algorithms
... loss coefficient, C f , are set in accordance with suggestions made by Walton, ...loss coefficient, n, whereas Rorabaugh [2], Lennox [3], Sheahan [4], Todd's [5] and Louwyck, ...
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Gas content derivative data versus diffusion coefficient
... In the last years, gas diffusion process has been the main topic in several investigations related to gas flow or gas circulation in coal seams (Busch et al., 2004; Cui et al., 2004a; Siemons et al., 2007). In fact, the ...
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Rev. Bras. Reumatol. vol.55 número2
... correlation coefficient (ICC) for intraobserver reproducibility; and Spearman correlation coefficient for validity by comparing with Patient Global Assessment (PaGA), EULAR Sjögren’s Syndrome Patient ...
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J. bras. pneumol. vol.38 número5 en v38n5a10
... a pressure transducer, and the estimated values for the parameters peak pressure (Ppeak), plateau pressure (Pplateau), mean maximal pressure (Pmean), and pressure according to the area ...
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A STUDY OF RELATIONSHIP BETWEEN ARTERIAL BLOOD PRESSURE AND BODY MASS INDEX IN YOUNG ADULTS
... countries as in industrialized developed ones, affecting at least 10% of the adult population in most countries. Hypertension is an entity associated with high morbidity and mortality. This disease is a silent threat to ...
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