1. Find the air horsepower of an industrial fan that delivers 22m/s of air through a 800mm by 1000 mm outlet. Static pressure is 167mm of water gauge and air density is1.18 kg/m.2. A fan has a suction pressure of 40mm water vaçuum with air velocity of 4m/s. thedischarge has 100 mm of water gauge and discharge velocity of 11 m/s. Determine thetotal head of fan if air density is 1.2 kg/m.3. A fan is rated to deliver 590 m3/min at a static pressure of 354 cm of water whenrunning at 290 rpm and requiring 3.9 kW. If the fan speed is changed to 315 rpm andair handled were at 75°C instead of the standard 21°C, find the power in kW.4. Air is flowing in a duct with a velocity of 6.62 m/s and static pressure of 4.16 cm ofwater gauge. The duct diameter is 1.42 m, the barometric pressure 109.4 kPa and thegauge fluid temperature and air temperature are 30°C. What is the total pressureagaínst which the fan will operate in cm of water?

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Answered: 1. Find the air horsepower of an…

1. Find the air horsepower of an industrial fan that delivers 22m/s of air through a 800 mm by 1000 mm outlet. Static pressure is 167mm of water gauge and air density is 1.18 kg/m.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.

Question

1. Find the air horsepower of an industrial fan that delivers 22m/s of air through a 800
mm by 1000 mm outlet. Static pressure is 167mm of water gauge and air density is
1.18 kg/m.
2. A fan has a suction pressure of 40mm water vaçuum with air velocity of 4m/s. the
discharge has 100 mm of water gauge and discharge velocity of 11 m/s. Determine the
total head of fan if air density is 1.2 kg/m.
3. A fan is rated to deliver 590 m3/min at a static pressure of 354 cm of water when
running at 290 rpm and requiring 3.9 kW. If the fan speed is changed to 315 rpm and
air handled were at 75°C instead of the standard 21°C, find the power in kW.
4. Air is flowing in a duct with a velocity of 6.62 m/s and static pressure of 4.16 cm of
water gauge. The duct diameter is 1.42 m, the barometric pressure 109.4 kPa and the
gauge fluid temperature and air temperature are 30°C. What is the total pressure
agaínst which the fan will operate in cm of water?

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