• Convergent Nozzle Flow Velocity and Area Equation and Calculator Nozzles are used in steam and gas turbines, in rocket motors, in jet engines and in many other applications. Two types of nozzle are considered: the ‘convergent nozzle’, where the flow is subsonic; and the ‘convergent divergent nozzle’, for supersonic flow.
• When steam f lows through a nozzles expansion process take place. As the steam expand there is drop in pressure and enthalpy of steam and consequently its velocity and specific volume both increases .The smalls section of the nozzle is known as throat. Types of nozzles: There are two types: 1-Convergent nozzle. (fig.(1)) 2-Convergent-Divergent ...
• Dec 12, 2016 · Reduction in exit velocity: The kinetic energy of the steam increases at the expense of its pressure energy in the steam nozzle. Some kinetic energy gets lost to overcome the friction in nozzle. Therefore, exit velocity of steam decreases due to nozzle friction.
Sep 15, 2020 · 1. Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s, and leaves at 300°C and 200 kPa while losing heat at a rate of 25 kW. For an inlet area of 800 cm?, determine the velocity and the volume flow rate of the steam at the nozzle exit. Determine the following: a. Velocity at the exit (m/s) b.
Mar 31, 2016 · A convergent-divergent nozzle is required to discharge he steam at a rate of 2 kg/sec. The nozzle is supplied a steam with a pressure at 7 bar and temp 180 0 C. The back pressure is 1 bar. The frictional resistance between throat and exit is 63 kJ/kg. Taking approach velocity 75 m/s and throat pressure is 4 bar.
Equation 1 – Valve Trim Exit Velocity Head . Valve trim exit velocity head is calculated using the following equation: KE = ½ • ρ • V 2 . Where: • KE = Trim exit velocity head (Pascals); • ρ = Fluid density at the trim exit in kilograms per cubic meter (kg/m3); • V = Fluid velocity at the trim exit in meters per second (m/s).
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• # Exit velocity of steam nozzle

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The steam expands in a nozzle with an efficiency of 90%. The blade speed is 250 m/s and the nozzles are inclined at 20oto the plane of the wheel. The blade angle a t the exit of the moving blade is 30o. Neglecting friction losses in the moving blade, determine.

• PROBLEM # 11.2 The steam from a nozzle of a single impulse turbine discharges with a velocity of 600 m/s and at 20 o to the plane of the wheel. The blade wheel rotates at 3000 rpm and the mean blade radius is 590 mm. The axial velocity of the steam at exit from the blade is 164 m/s and the blades are symmetrical. Calculate:
• For an inlet area of $800 \mathrm{cm}^{2}$ determine the velocity and the volume flow rate of the steam at the nozzle exit. Problem 31 A nozzle receives $0.1 \mathrm{kg} / \mathrm{s}$ of steam at $1 \mathrm{MPa}$ and $400^{\circ} \mathrm{C}$ with negligible kinetic energy.

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At the inlet, pressure is 15 bar, temperature 700 K, velocity 100 m/s, and cross-sectional area 0.1 m^2. At the exit, pressure is1 bar and temperature is 330 K. Determine exit velocity and exit cross-sectional area. Air can be assumed as an ideal gas. Adiabatic steam nozzle. Water steam at 600 kPa and 200oC enters aninsulated (adiabatic) nozzle ...

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• Steam at 0.6 MPa and 300oC steadily enters a nozzle whose inlet area is 0.07 m2. The velocity of the steam at the inlet is 5 m/s. Steam leaves the nozzle at 250oC and 0.2 MPa.
• PROBLEM # 11.2 The steam from a nozzle of a single impulse turbine discharges with a velocity of 600 m/s and at 20 o to the plane of the wheel. The blade wheel rotates at 3000 rpm and the mean blade radius is 590 mm. The axial velocity of the steam at exit from the blade is 164 m/s and the blades are symmetrical. Calculate:

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In most feed nozzle designs, the steam flow for atomization of the hydrocarbon is set by the fixed orifices. Unless you are throttling the steam supply, the steam flow rate is not adjustable without modifying the nozzle internals.

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It can be seen that the specific enthalpy of the steam has dropped in passing through the nozzle from 2 576.25 to 2 489.30 kJ/kg, that is, a heat drop of 86.95 kJ/kg. This seems to contradict the adiabatic principle, which stipulates that no energy is removed from the process.

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A.The velocity of jet of steam entering a de-Laval turbine is 500 mis. The nozzles are inclined at 20° to the direction of blades. The blade speed is 200 mis and the exit angle of the moving blades is 25°.

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about 10 to 15%. The velocity of steam will be then Where, k is the co-efficient which allows for friction loss. It is also known as nozzle efficiency. Velocity of Steam at Nozzle Exit: 3.5 Mass of steam discharged through nozzle:

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At the inlet, pressure is 15 bar, temperature 700 K, velocity 100 m/s, and cross-sectional area 0.1 m^2. At the exit, pressure is1 bar and temperature is 330 K. Determine exit velocity and exit cross-sectional area. Air can be assumed as an ideal gas. Adiabatic steam nozzle. Water steam at 600 kPa and 200oC enters aninsulated (adiabatic) nozzle ...

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PROBLEM # 11.2 The steam from a nozzle of a single impulse turbine discharges with a velocity of 600 m/s and at 20 o to the plane of the wheel. The blade wheel rotates at 3000 rpm and the mean blade radius is 590 mm. The axial velocity of the steam at exit from the blade is 164 m/s and the blades are symmetrical. Calculate:

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