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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.

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
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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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?
Transcribed Image Text: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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