Define the terms: specific speed and unit speed of turbine. Also deri…

Question

Define the terms: specific speed and unit speed of turbine. Also derive the expression for specific speed.

Related pages

• Velocity Diagram for Axial and Radial Flow Turbine Blades — topic
• Fluid Machinery syllabus

More PYQs on Velocity Diagram for Axial and Radial Flow Turbine Blades

• A trapezoidal channel is required to carry $6\text{m}^3\text{/sec}$ of water at a velocity of $1.5\text{m/s}$. Find the most economical cross-section if the ch…
• A pitot tube is inserted in a pipe of $300\text{mm}$ dia. The static pressure in a pipe is $100\text{mm}$ of mercury (vacuum). The stagnation pressure at the c…
• Write down the four basic equations which satisfy the state points before and after a normal shock wave and discuss each of them.
• Explain the terms rapidly varied flow and gradually varied flow.
• Write short note on: i) Fuel used for gas turbine. ii) Jet Propulsion.
• Derive the relation for flow through a normal shock. $\frac{C_y}{C_x} = \left( \frac{2}{r+1} \right) \frac{1}{my^2} + \frac{r-1}{r+1}$
• Derive an equation describing a Fen no curve. Show three Fen no curves on the temperature entropy coordinates at three mass flow densities.
• Define the terms: i) International standard atmosphere ii) Karman's rules for supersonic flow. iii) Nozzle coefficients.
• What is Rayleigh flow. Under what conditions the assumption of Rayleigh flow is not valid in a heat exchanger.
• State Bernoulli's theorem for steady flow of an incompressible fluid. Derive an expression for Bernoulli's theorem from first principle and state the assumptio…