3. A centrifugal compressor with radial vanes was designed to operate at a rotational speed of 2400 rpm. The compressor requires 1 MW of power to compress the incoming air. Incoming air flow rate is 8 kg/s. The air enters the intake axially and the stagnation conditions are 103 kPa and 288 K. Assuming the slip factor is 0.9 and the specific speed N₁ = $⁰.5/ yº.75=0.7, where ☀ = C x₁ / U₂ and y = AW/(U₂) ². Determine (i) the vane tip speed; (ii) the axial velocity at inlet, C x1 ; (iii) the inlet Mach number, M₁; (vi) the inlet area.

3. A centrifugal compressor with radial vanes was designed to operate at a rotational speed of 2400 rpm. The compressor requires 1 MW of power to compress the incoming air. Incoming air flow rate is 8 kg/s. The air enters the intake axially and the stagnation conditions are 103 kPa and 288 K. Assuming the slip factor is 0.9 and the specific speed N₁ = $⁰.5/ yº.75=0.7, where ☀ = C x₁ / U₂ and y = AW/(U₂) ². Determine (i) the vane tip speed; (ii) the axial velocity at inlet, C x1 ; (iii) the inlet Mach number, M₁; (vi) the inlet area.

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

See similar textbooks

Related questions

Q: Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device…

A: Given, P1=87KPaP2=3000KPaT1=20°C=293KFAD=0.22m3/minLD=1.3n=1.3N=1500rpm We know…

Q: An industrial nozzle as shown in Figure 3 works with an inert gas rush through the nozzle where the…

Q: om the dala given beIOw, calculate the power requin an axial flow compressor. Lo arive the…

A: Handwritten.jpg

Q: A Kaplan turbine has the following specifications: H =25 ft., N= 400 rpm; power = 650 hp. If the…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A centrifugal pump is used to lift water from a water reservoir with level 2 m below the pump center…

Q: Specifications: Altitude = 700m Bypass ratio = 0.5 Speed = 260m/s Total mass flow rate = 15kg/s (in…

A: A turbofan engine is the latest version of the gas turbine engine.In turbofan engine the engine core…

Q: A centrifugal pump has NPSH required of 23 ft. The water temperature is 90°F (Pv = 0.69 psia and p =…

A: According to the given data ρ=62.175lb/ft3 T=90°F NPSH=23 ft hf=1.2ft Pv=0.69 psia=99.36lb/ft2 We…

Q: Question 2 A centrifugal pump delivers 0.1 m³/s of water at a rotational speed of 1200 rev/min. The…

Q: Francis

A: Runner speed u1=πDN60=π*1.4*43060=31.52m/s P=m˙Vw1u1±Vw2u2 For Francis turbine Vw2=0…

Q: Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device…

A: Solution : Given data for the above : Delivery Pressure : 30 bar RPM Speed : 1500 RPM…

Q: Air at 10 ° C temperature and 80 kPa pressure enters the emitter of a jet engine at a speed of 200 m…

Q: 3. At 200C and 98kPaa existing barometric pressure, fan develops a brake power of 95kW. If operates…

A: Note: We'll answer the first question since the exact one wasn't specified. Please submit a new…

Q: 3. Assume the turbine as an incompressible flow machine. The average meridional speed is given as…

A: We can answer the first question for you since the exact one is not specified. Please resubmit the…

Q: A centrifugal pump discharge 7500 L of water per minute against a total head of 25 m when running at…

Q: A centrifugal pump has NPSH required of 20 ft. The water temperature is 90 deg. F and the friction…

A: Write the given data. NPSH=20 fthf=1.6 fthsat=0.69 psia

Q: 5.1 kg/s of air enters the impeller of a centrifugal compressor at a stagnation pressure of 101.3…

Q: Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device…

Q: An axial compressor with diameter of 0.8 m is being designed to run at 1500 rpm. The inlet guide…

A: Given:The diameter of a compressor is The revolution is The mass flow rate is The rotor blade angle…

Q: the buckets. The speed factor is 0.46. Neglecting any losses, determine: 360 m. The wheel is driven…

A: Introduction: The Pelton turbine operates on a basic basis. When a high-speed water jet shot by a…

Q: For a centrifugal compressor designed to have a stagnation pressure ratio of 3.95, determine an…

Q: Assuming the abslute velocit air entering and leaving the Com nne som A0 M O

A: Solution as follows.

Q: A dry gas well equipped 30 MMcfd with 85psig tubing pressure must be compressed to 300 psig for…

A: Saturation Pressure: The pressure exerted by the vapour on the liquid when both liquid and vapour…

Q: This course CHide block A centrifugal pump with the following impeller dimensions is used to pump…

Q: A centrifugal pump is used to lift water from a water reservoir with level 3 m below the pump center…

A: Level of lower reservoir from pump center line, H1=3 mLevel of upper reservoir from pump center…

Q: which is 14.17 m above the tank bottom and discharges to the atmosphere with a velocity in the…

Q: The impeller of the centrifugal pump is 350 mm diameter, and the width of the blade passages at…

A: Diameter of the impeller (d) = 350 mm = 0.35 m width of the balde passage (w2) = 18 mm = 0.018 m…

Q: An atmospheric pressure of 100 kPa exists inside a room. Air is exhausted through a 0.5 m diamter…

Q: Problem 2: A centrifugal pump with an overall efficiency of 0.56 rotates at 1650 rpm. The flow is…

A: (As per our company policy we are asked to solve 3 sub parts only) GIVEN :- Flow rate:Q=72 L/sinlet…

Q: A centrifugal compressor with backward bent blades (B = 75°) handles 20 kg/s of air, where the air…

Q: lbert bought a portable device to pump his truck tyres. On the manual, he found out that the device…

Question

100%

3. A centrifugal compressor with radial vanes was designed to operate at a rotational speed
of 2400 rpm. The compressor requires 1 MW of power to compress the incoming air.
Incoming air flow rate is 8 kg/s. The air enters the intake axially and the stagnation
conditions are 103 kPa and 288 K. Assuming the slip factor is 0.9 and the specific speed N₁
= $⁰.5/ p0.75=0.7, where = C x₁ / U₂ and y = AW/(U₂) ². Determine
(i) the vane tip speed;
(ii) the axial velocity at inlet, C x1 ; (iii) the inlet Mach number, M₁; (vi) the inlet area.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Write the given data and what is to find

VIEW

Step 2: Calculate the vane tip speed

VIEW

Step 3: Calculate the axial velocity at inlet

VIEW

Step 4: Calculate the inlet Mach number

VIEW

Step 5: Calculate the inlet area

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 6 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device is a single stage, single-acting air compressor. Air delivery for this device is 30 bar at a speed of 1500 rev/min. The atmospheric condition of his location is 87 kPa and 20 ˚C, with a FAD of 0.22 m2/min. The clearance volume is 4% of the swept volume and the stoke/bore ratio is 1.3/1. Take “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K 1.What is the swept volume in m3 to 6 decimal places?
A centrifugal pump is used to lift water from a water reservoir with level 3 m below the pump center line. Then, to another reservoir with level 8 m above the center line. Pressure gages readings from the suction and discharge are 1 bar and 4 bars respectively. The flow rate at 1.28 m /s with pipe inside diameters of 400 mm at suction and 250 mm at the discharge. Assume over all head loss due to friction of 4 J/N, what is the suction head in meter?
A centrifugal pump impeller has an external diameter of 1.2 m and internal diameter of 0.8 m. The width of the impeller at outlet is 0.175 m and the blade angle at outlet is 65 degrees. The flow velocities at inlet and outlet are the same (Va1 = Va2). This pump delivers 1.55 m3/s of water at 210 rpm. For theoretical performance, calculate: 1-The flow velocity . 2-blade speed at outlet. 3-blade angle at inlet (in degrees). 4-the developed head. 5-The pressure rise across the impeller. 6-The number of blades . 7-The NPSH . %3D
A forced draft centrifugal fan draws air at 1.32 cubic meter/sec towards a combustion chamber of a steam generator. The static pressures are 15mm. water below atmospheric at suction and 10mm. water above atmospheric at the discharge. The inlet duct is 30cm in diameter and the discharge duct is 27cm in diameter. The fan mechanical efficiency is 70%. The air is measured at 25 degrees Celsius and 760mmHg. Determine: a. the Air Power in kW 0.664 0.464 0.546 b. the Brake Power in kW 0.546 0.464 0.664 c. the static efficiency 50.00 48.77 52.03
Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device is a single stage, single-acting air compressor. Air delivery for this device is 30 bar at a speed of 1500 rev/min. The atmospheric condition of his location is 87 kPa and 20 ˚C, with a FAD of 0.22 m2/min. The clearance volume is 4% of the swept volume and the stoke/bore ratio is 1.3/1. Take “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K 1.What is the induced volume per stroke in m3 to 6 decimal places?
A simple jet carburetor is required to supply 5 kg of air and 0.5 kg of fuel per minute. The fuel specific gravity if 0.75. The air is initially at 1 bar and 300 K. Calculate the throat diameter of the choke for a flow velocity of 100 m/s. Velocity coefficient is 0.8. If the pressure drop across the fuel metering orifice is 0.80 of that of the choke. Calculate orifice diameter assuming Cdf=0.60 and γ = 1.4
A centrifugal purmp is used to lift water from a water reservoir with level 2 m below the pump center line. Then, to another reservoir with level 7 m above the center line. Pressure gages readings from the suction and discharge are 1 bar and 4 bars respectively. The flow rate at 0.74 m /s with pipe inside diameters of 400 mm at suction and 250 mm at the discharge. Assume over all head loss due to friction of 4 J/N, what is the water power in kW?
The pressure gauge at a micro-hydro powerhouse shows a reading of 500KN/m?. The velocity head inside the pipe can be neglected. The 2-jet Pelton wheel is having a diameter of 0.58m. The two nozzles cause a total loss of 2% of their inlet head. At rated water flow rate, the diameter of each jet of water is 2cm. The efficiency of the turbine at the rated speed of 520 rpm is 85%. The density of water is 1000 kg/m3 and gravitation constant is 9.81m/s?. (a) Determine under rated operating condition, (i) Net head available to the turbine (ii) Velocity of water jets (iii) Water flow rate to the turbine (iv) Mechanical power output
Albert bought a portable device to pump his truck tyres. On the manual, he found out that the device is a single stage, single-acting air compressor. Air delivery for this device is 30 bar at a speed of 1500 rev/min. The atmospheric condition of his location is 87 kPa and 20 ˚C, with a FAD of 0.22 m2 /min. The clearance volume is 4% of the swept volume and the stoke/bore ratio is 1.3/1.Take “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K Based on pictures below 1 which formula number will be used to evaluate the mass flow rate of air? 2 which formula number will be used to evaluate the delivery volume?
A gas turbine stage develops 3.4MW for a mass flow of 27 kg/sec. The stagnation pressure and temperature at the stage entry are 772 kPa and 100OK. The axial velocity is constant throughout the stage, the gases entering and leaving the stage without any absolute whirl. At the nozzle exit, the static pressure is 480kPa and the flow direction is at 72°. Let C,=1.148, R=0.287. Determine the following: a) the axial velocity, b) the degree of reaction for the stage given that the entropy increase in the nozzles is 13 J/(kg °C),
ENPY = (+ 3.2 cm. Centrifugal pump rotates at 1500 rpm. Water enters the wings normally and exits by 38 degrees from the radial direction. The volumetric flow rate is given as 0.25 m^3/s. By accepting the yield as 100%; A centrifugal pump impeller has an inlet radius of 15 cm and a blade width of 6.3 cm. Its radius at the exit is 35 cm and its wingspan is (a2 = 38°) (Psu = 998 kg/m³) P1 + as 29 pg P2 + d2 29 pg L V² hg sûrekli= f-52g + zz + hpompa.f + hearbing + hg,toplam Re = p.V. D + z2 1.11 = -1.8 log Re 6.9 ɛ / D hkyerel = KK 29 Wmil = 3.7 hg,toplam= hx,sarekli + hx.yerel Протра H = pg z/1ẠM Nsp = (gH)³/4 ротра giris Wmil,B WmilA WR %3D PR (we PA b) Find the required shaft power for the centrifugal a) Find the manometric head provided by the centrifugal pump. pump. 28092 W 17,05 m O 42087 W 21,28 m O 38085 W 13,67 m O 45765 W 12,23 m O 35063 W 15,56 m
In order to obtain the following desired microstructures of a 1050 carbon steel product, design the correct heat treatment sequences: 1) Draw the heat treatment paths on the correct TTT diagrams. 2) Write out the heat treatment sequences. a. 100% pearlite. b. 40% pearlite and 60% bainite. C. 70% bainite and 30% martensite.