i need the answer quickly 3.37. A large centrifugal fan is designed to operate at 600 rpm, with an impeller diameter of 60 in.The fan uses 40 hp at 60,000 cfm and 3.0 in. wg static pressure rise. The fan is driven by avariablefrequency motor that can operate at any speed between 600 and 7200 rpm.a. Estimate the flow rate, static pressure rise, and power required at 1200 rpm.b. Estimate the change in efficiency at 1200 rpm compared to the value at 600 rpm.C At what speed (in rpm) would the scaled performance need to be corrected for compressibilityeffects?Part A only

We know from unit quantities for pumps thatQND3 = constant60000600=Q1200Q=120000 cfm

Answered: a. Estimate the flow rate, static…

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

Similar questions

a) Calculate the interstage pressure ratio per stage for a two-stage compressor if the overall pressure ratio is 10. b) What speed should a single acting, reciprocating compressor run at to produce 50 m³/h of air? The data for the compressor is: Piston diameter = 100 mm, Stroke length = 110 mm,
4. A conventional hydropower station in a dam impounds 390 ft of fresh water and has a flow of 24,720 cubic feet per second. a. What is the maximum possible amount of power (in MW) that can be developed by a turbine installed at this station? b. Calculate the power specific speed Nóp assuming a synchronous speed of 90 rpm and determine the appropriate turbine type (Pelton, Francis, or Kaplan) for this installation. c. If the turbine efficiency is 92.7%, what is the actual power developed (in MW)?
A centrifugal fan is operating as shown in Figure 5 at point 1. Estimate the capacity, total pressure, and power requirement when the speed is increased to 1050 rpm. The initial power requirement is 2 hp. 1050 rpm 900 rpm 22 1.5 5000 Capacity, cfm Figure 5 Total pressure, in. wg
A multi-stage centrifugal pump discharges 1200 gpm of water at 1400 rpm with pressurehead of 1200 ft. If the specifc speed during operation is 673 rpm, determine the number ofstages. A. 2B. 3C. 4D. 6
When using a double acting pressure intensifier for continuous pressure increase, we are looking to have pressure intensified brand operate at 5L/min at 30 MPA. If the main pump can supply 10L/min at 10 MPA, what is the diameter ratio needed between actuator and boosting piston?
A single suction, one stage pump has Francis type impeller with specific speed of 3,000 rpm delivers 7560 Ipm of water. The pump is connected to a 1800 rpm motor. Pump efficiency is 83% Determine impeller diameter in mm and kw of motor.
3. An impulse turbine which has a diameter of 60 in., speed of 350 rpm, peripheral speed factor of 0.45, and a jet diameter of 6.0 in. Compute the power in hp. show Complete Solution/s (i.e. transformations, equivalent formula, etc).
This is a fluid machine question. 1. A single stage centrifugal pump delivers 900 m^3/hr of sea water from a source where the water where the pressure is O.125 mpag. The pump discharges into surge tank rated at 300 psig, 3 m above the pump centerline. Loss of head due to friction in suction is 0.8 m and that in the discharge side is 3 m . Calculate the power required by the pump in kW. 2. An atmospheric tank at standard ambient conditions will serve as the source for a pump. It is calculated the length of the suction pipe is 200 m with friction factor of 0.02. What would be the minimum height of water level in the tank that must be maintained above the centerline of the pump to avoid cavitation? Pump specifications are as follows: Flow: 225 cu.m/hrHead: 20 mPower: 15 kNSuction flange and Pipe Diameter: 200 mmDischarge Flange and Pipe Diameter: 150mmNPSHa: 6.5 mNSPHr : 6m
3. Calculate the BHP of the system feed pump with the described details: Total feed water mass flow rate = 100,000 Ib/hr Superheater Outlet pressure: 600 psig DC heater pressure = 50 psig, !3! • Assume: pump efficiency of 70%, water is at saturated conditions, ignore head pressure from DC heater, and no friction loss going to feed pump. What is the steam flow required with the above BHP and a Stream Rate of 25 lbs / HP-hr (this includes Ah of steam into and out of the turbine and turbine efficiency)
2. A centrifugal pump consists out of an impeller, diffuser and casing and is powered by 300 kW (shaft power) and rotates at 96.3 rad/s. The flow rate generated by the machine is54.7 Kilo-litres/min. The impeller blade inlet angle and width is 23° and 180 mmrespectively. The blades occupy 12% of the impeller area and the water is assumed toenter the impeller radially. Suction and delivery pipes are equal in size. Determine:2.1. The impeller inlet (i) diameter and inlet blade velocity. (Hint - Substitution: Vfi in terms of Di and Ui in terms of Di both sub into Tan of Blade inlet angle, only unknown is then solving for Di2) 2.2 If the pump has a mechanical efficiency of 80%, calculate the blade velocity at outlet (Uo) and outlet whirl velocity Vwo. Assume the blade exit angle equal to the guide vane angle. (Hint - Substitution: Write Vwo in terms of Uo sub in Euler equation only unknown then is solve for Vwo 2.3 Impeller outer diameter. 2.4 If the flow through velocity is consistent…
Task 1 The Data: - Clearance volume of 70 cm3, the bore of cylinder is 130 mm, the stroke of compressor is 70 mm, the measured low and high pressures are 120 and 700 kPa, respectively, the volume before and after compression are 900 and 250 cm3, respectively. 1. Determine the volumetric efficiency of a reciprocating compressor 2. Calculate the isothermal and polytropic work of a reciprocating compressor 3. Evaluate the isothermal efficiency
Ex: A centrifugal pump delivers (0.07 m³/s) of water at (1500 rpm) and the velocity of flow through the impeller at exit is (3m/s). The impeller diameter at inlet and out let are (0.18&0.027) respectively, and blades are curved back with an angle of 25° to the tangent at exit (the blade angle is 155° with the direction of motion). The diameter of the section and delivery pipes are (0.15 & 0.1m) respectively. The absolute pressure head at section is (6.5 m) and that at delivery is (29 m). the power taken by the pump is (35 hp). Calculate the van angle at the inlet, the overall efficiency and the monomeric efficiency and the losses across the pump.

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS