The meaning of HYDRAULIC RADIUS is the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wetted perimeter of the conduit.
As you can see, the hydraulic radius of a full pipe is simply half of its radius. 2. Pipe (less than full) The problem gets a bit more complicated when the pipe is only partially filled. We already calculated this wetted perimeter in the wetted perimeter of a pipe section: P = r ×...
Therefore, the number of proppants npr in each fracture element can be computed as [5] npr=ae/lpr2. Based on the proppant radius, the initial fracture width can also be calculated. For example, if the proppant radius is represented as R, then the initial fracture width, x0 is 2R. ...
1.A water pump in which the downward flow of naturally running water is intermittently halted by a valve so that the flow is forced upward through an open pipe into a reservoir. 2.The large output piston of a hydraulic press. American Heritage® Dictionary of the English Language, Fifth ...
Radius of curvature of pipe bend (m) r Radius of the pipe (m) Re Reynolds number (−) s Specific gravity (−) SA Surface area (m2) S Spacing (m) t Thickness (m) V Velocity (m/sec) Vo Volume (m3) X X direction (m) Y Y direction (m) Greek symbols ϒ Specific weight ...
R = Hydraulic radius, m; i = Average slope of the river mouth region, m/m; n = Roughness coefficient of the riverbed and walls, m−1/3 s, Table A1. where: R=B+2×hAMR=B+2×hAM (15) where: B = Width of the river mouth runoff section, m; h = Height of the river mou...
After that, the second stage is initiated, which leads to the main focus of the present paper, where thirty vapour nuclei (bubble seeds), represented as a half-sphere with a radius of 10 μmμm, are patched onto the conjugate heat transfer boundary (interface between the fluid and solid ...
The primary parameters influencing the suction force coefficient ratio 𝑘𝑐kc of particles in the flow field of the cone-shaped collection hood are as follows: fluid density 𝜌ρ, the inlet radius R of the cone-shaped collection hood, the height HH of the cone-shaped hood from the ...
It is known that by a conformal mapping it is possible to map the area outside the plate to the area outside the circle with radius R (Figure 5). Figure 5. Plate mapping on a circle. Map has the form of 𝑍=𝑙4(𝜉+1𝜉) (R=1)Z=l4ξ+1ξ R=1 (17) where 𝑍Z ...
That is why various TC estimation methods can bring differences of up to 500% [7]. Such differences are arisen from ignoring the flow path conditions such as bed roughness, topography, vegetation cover, and hydraulic radius at various sections. Empirical TC formulas have been developed through ...