A reaction turbine whose runner radii are r1 =300 mm, r2 = 150 mm, operates under...

A reaction turbine whose runner radii are r₁ =300 mm, r₂ = 150 mm, operates under the following conditions; Q = 2.3 m³/s, w = 25 rad/s, α1 = 26 ⁰ , α2 = 83 ⁰ , V₁ = 9.3 m/s, V₂ = 4.5m/s. for an efficiency of 93 %, find;
(i) Torque applied,
(ii) Power of fluid and
(iii) Head on turbine.

Expert Solution

samet mamat answered 2 years ago

Two hoops have the same mass M. Their radii are R1 and R2 = 2 R1....

Two hoops have the same mass M. Their radii are R1 and R2 = 2 R1. Similarly, two uniform disks also have mass M and the radii, R1 and R2. Which of these objects has the largest moment of inertia about the axis perpendicular to the screen and through the center of the hoop or disk? The moment of inertia of a uniform disk of mass mand radius r about its center is (1/2)mr2; for a hoop it is mr2....

Consider a spherical capacitor consisting of two concentric spherical shells of radii R1 and R2 that...

Consider a spherical capacitor consisting of two concentric spherical shells of radii R1 and R2 that carry surface charge densities of σ0 and –σ0, respectively. The capacitor is filled with a linear but inhomogeneous dielectric whose relative permittivity is a function of distance from the center of the sphere εr = εr (r). (a) If energy density inside the capacitor (R1< r < R2) is constant and εr (R2) = 2, find εr (r). (b) Find the polarization P within...

Consider two spherical shells with radii R1 < R2 with the inner shell having the potential...

Consider two spherical shells with radii R1 < R2 with the inner shell having the potential Φ(ϑ)=Φ1×cos^2(ϑ), ϑ being the azimuthal angle in spherical coordinates. The outer shell is metallic and uncharged (Q2 = 0). Calculate the potential Φ(r) on the entire space. Thanks a lot.

Two isolated, concentric, conducting spherical shells have radii R1 = 0.470 m and R2 = 1.00...

Two isolated, concentric, conducting spherical shells have radii R1 = 0.470 m and R2 = 1.00 m, uniform charges q1 = +1.50 μC and q2 = +2.00 μC, and negligible thicknesses. What is the magnitude of the electric field E at radial distance (a) r = 4.70 m, (b) r = 0.610 m, and (c) r = 0.220 m? With V = 0 at infinity, what is V at (d) r = 4.70 m, (e) r = 1.00 m, (f)...

Two isolated, concentric, conducting spherical shells have radii R1 = 0.450 m and R2 = 1.50...

Two isolated, concentric, conducting spherical shells have radii R1 = 0.450 m and R2 = 1.50 m, uniform charges q1 = +1.70 μC and q2 = +2.30 μC, and negligible thicknesses. What is the magnitude of the electric field E at radial distance (a) r = 3.40 m, (b) r = 0.840 m, and (c) r = 0.360 m? With V = 0 at infinity, what is V at (d) r = 3.40 m, (e) r = 1.50 m, (f)...

A sample of concrete which is a cylinder 150 mm in diameter and 300 mm in...

A sample of concrete which is a cylinder 150 mm in diameter and 300 mm in length is placed in a test fixture. A load of 12,000 N is applied to the concrete specimen along the cylindrical axis and the length is observed to change 1 mm. Calculate Young's modulus in GPa.? Please reply as soon as possible

A horizontal Venturimeter with inlet diameter 300 mm and throat diameter 150 mm is used to...

A horizontal Venturimeter with inlet diameter 300 mm and throat diameter 150 mm is used to measure the flow of water. The pressure at inlet is 24 N/cm2 and the vacuum pressure (p2)at the throat is 320 mm of mercury. Find the discharge and velocity through the pipe .The value of Cd may be taken as 0.98.

A vertical shaft Kaplan turbine operating under a head of 9.8 m has a runner diameter...

A vertical shaft Kaplan turbine operating under a head of 9.8 m has a runner diameter of 9.3 m. At the maximum optimum point, the turbine runs at 51.7 rpm and develops 45,000 kW power discharging 535 m 3 /s water. Determine the values of unit speed, unit discharge, unit power and specific speed of the turbine. If the critical value of cavitation coefficient for the runner is 0.95, determine the location of the runner with respect to the tail...

Two isolated concentric conducting spherical shells have radii R1=0.5 m and R2=1 m, uniform charges q1=+2.0...

Two isolated concentric conducting spherical shells have radii R1=0.5 m and R2=1 m, uniform charges q1=+2.0 μC and q2=+1 μC, and negligible thickness. Assume that V=0 at infinity. (a) What is the magnitude of the electric field at a radial distance of r=4 m? (b) What is the magnitude of the electric field at a radial distance of r=0.7 m? (c) What is the magnitude of the electric field at a radial distance of r=0.2 m? (d) What is the...

A turbine flowmeter has a bore of internal diameter 150 mm. The rotor consists of eight...

A turbine flowmeter has a bore of internal diameter 150 mm. The rotor consists of eight blades, each of mean thickness 5 mm, mounted on a hub of mean diameter 35 mm. The clearance between each blade tip and the bore is 1 mm, and the inlet blade angle at tip is 20°. Estimate the meter factor K in pulses/m3.

Question