Example 4The sketch shows air flowing through a nozzle. Th e inletpressure is p₁ = 105 kPa abs, and the air exhausts into theatmosphere, where the pressure is 101.3 kPa abs. The nozzlehas an inlet diameter of 60 mm and an exit diameter of 10 mm,and the nozzle is connected to the supply pipe by flanges.Assume the air has a constant density of 1.22 kg/m³. Neglectthe weight of the nozzle.Find the force required to hold the nozzle stationary.FlowF.2P₁A₁(1)mv₁1)FDMDFlanges2mv2

Answered: Example 4 The sketch shows air flowing…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The jet engine on a test stand, shown in the figure, admitsair at 20oC and 1 atm at section 1, where the area is 0.5 m2and the velocity is 250 m/s. The fuel-to-air ratio is 1:30.The air leaves at section 2 at atmospheric pressure and ahigher temperature. The exit velocity is 900 m/s and thearea is 0.4 m2. Compute the horizontal test stand reactionRx needed to hold the engine fixed.
A bicycle tire is fi lled with air at an absolute pressure of169.12 kPa, and the temperature inside is 30.0 °C. Supposethe valve breaks, and the air starts to exhaust out of the tireinto the atmosphere (pa = 100 kPa absolute and Ta =20.0 °C). The valve exit is 2.00 mm in diameter and is thesmallest cross-sectional area of the entire system. Frictionallosses can be ignored here; one-dimensional isentropicflow is a reasonable assumption. (a) Find the Machnumber, velocity, and temperature at the exit plane of thevalve (initially). (b) Find the initial mass flow rate out ofthe tire. (c) Estimate the velocity at the exit plane using theincompressible Bernoulli equation. How well does thisestimate agree with the “exact” answer of part (a)? Explain.
Air enters a constant duct at M1= 0.3 , p 1 =1atm. and T1 = 273 K. Inside the duct the heat added is per unit mass is q = 300 kJ/kg. a. Calculate M2, p2, T2, b. Repeat when q is increased to 800 kJ/kg. Do the inflow conditions change? If yes evaluate the new conditions.
Water steam is running through the nozzle. Inlet pressure is P1=25 bars; T1=300C; V1=90m/s; A1=0.2m2. The exit parameters are: P2=11bars; T2=210C. The mass flow rate is m=2 kg/s. Determine: a.Exit velocity V2=?; b.Inlet and outlet diameters D1 and D2.
A piston moves with constant velocity U0 in a cylinder having radius R. A liquid having density leaves the open end with conical velocity proÖle V~ = V0(1-r/R)^k.Figure for problem 1.(a) If the exhaust port is closed, find the value of V0 in terms of U0. Be sure to define an appropriate control volume for solving this problem.(b) If V0 = U0, find the volume áow rate leaving through the exhaust port (in terms of U0 and R)
! MIN 1/1 米 4:22 PM O O 81% Find a relation between nozzle discharge velocity V2 and tank free surface height h as in figure below. Assume steady frictionless flow. HGL - II Open jet:
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Water steam is running through the nozzle. Inlet pressure is P1=25 bars; T1=300C; V1=90m/s; A1=0.2m2. The exit parameters are: P2=11bars; T2=210C. The mass flow rate is m=2 kg/s. Determine: a.Exit velocity V2=?; b.Inlet and outlet diameters D1 and D2. show all steps
Solve all parts Please help me with complete solution
A very popular toy on the market several years ago was the water rocket. Water (at 10°C) was loaded into a plastic rocket and pressurized with a hand pump. The rocket was released and would travel a considerable distance in the air. Assume that a water rocket has a mass of 50g and is charged with 100g of water. The pressure inside the rocket is 100kPa gage. The exit area is one-tenth of the chamber cross-sectional area. The inside diameter of the rocket is 5cm. Assume that Bernoulli’s equation is valid for the water flow inside the rocket. Neglecting air friction calculate the maximum velocity it will attain.
Two chambers, Chamber 1 and Chamber 2 where pressure at chamber 1 p1=70 kPa, at chamber 2 the pressure p2 = 5kPa. There is an orifice between the two chambers with diameter of 6 cm, Cc= 1.00, Cv=0.95 and the head of the liquid(s=2.50) over the orifice is 1.80 m. Find the actual flow rate through the orifice. Include the free body diagram if needed. a.45 L/s b.15 L/s c.35 L/s d.25 L/s

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