A fan heater has an output of 500j/s and is to heat air from 10°C to 40°C. If air has a density of 1.225kg/m3 and heat capacity c=1010jkg-1°C-1 . Ignoring losses, use dimensional analysis of the units to form an equation to calculate the volume that can be heated in 25 minutes.
A fan heater has an output of 500j/s and is to heat air from 10°C to 40°C. If air has a density of 1.225kg/m3 and heat capacity c=1010jkg-1°C-1 . Ignoring losses, use dimensional analysis of the units to form an equation to calculate the volume that can be heated in 25 minutes.
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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A fan heater has an output of 500j/s and is to heat air from 10°C to 40°C. If air has a density of 1.225kg/m3 and heat capacity c=1010jkg-1°C-1 . Ignoring losses, use dimensional analysis of the units to form an equation to calculate the volume that can be heated in 25 minutes.
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Would the time not be equal to 1500sec ?
25minutes x 60 = 1500sec
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