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Air enters an electric furnace at 100 kPa and 28°C with a volume flow rate of 22 m/min. At the exit of the furnace, the air is 100 kPa and 50°C. The air passes through a ducting system consisting of three branches, one duct with 30cm diameter and the other two with 16cm diameter. If the velocity of air in the 16cm ducting vas measured to be 3.7 m/s, determine the mass flow ate, in kg/s of air entering the furnace and the velocity a m/s of air in the 30 cm duct. Ans. 0.4244 kg/s, 3.46 m/s)

Air enters an electric furnace at 100 kPa and 28°C with a volume flow rate of 22 m/min. At the exit of the furnace, the air is 100 kPa and 50°C. The air passes through a ducting system consisting of three branches, one duct with 30cm diameter and the other two with 16cm diameter. If the velocity of air in the 16cm ducting vas measured to be 3.7 m/s, determine the mass flow ate, in kg/s of air entering the furnace and the velocity a m/s of air in the 30 cm duct. Ans. 0.4244 kg/s, 3.46 m/s)

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Air enters an electric furnace at 100 kPa and 28°C with a volume flow rate of 22 m/min. At the exit of the furnace, the air is 100 kPa and 50°C. The air passes through a ducting system consisting of three branches, one duct with 30cm diameter and the other two with 16cm diameter. If the velocity of air in the 16cm ducting was measured to be 3.7 m/s, determine the mass flow rate, in kg/s of air entering the furnace and the velocity in m/s of air in the 30 cm duct. (Ans. 0.4244 kg/s, 3.46 m/s)
Transcribed Image Text:Air enters an electric furnace at 100 kPa and 28°C with a volume flow rate of 22 m/min. At the exit of the furnace, the air is 100 kPa and 50°C. The air passes through a ducting system consisting of three branches, one duct with 30cm diameter and the other two with 16cm diameter. If the velocity of air in the 16cm ducting was measured to be 3.7 m/s, determine the mass flow rate, in kg/s of air entering the furnace and the velocity in m/s of air in the 30 cm duct. (Ans. 0.4244 kg/s, 3.46 m/s)
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