A single drum drier, operating at atmospheric pressure, is being used to dry a wet slurry, containing 2.0 kg water per kg dry solids, to a final moisture content of 0.1 kg water per kg dry solids. The drum is heated internally with saturated steam at 500 kN/m², has a diameter and width of 0.5 m. The load factor on the drum is 0.05 kg/m² of dry solids. The product is removed from the drum at a point 2/3 of the circumference from the feed point. Calculate the speed of rotation of the drum in r.p.m. and the rate at which dry product is produced in kg/h. The overall heat transfer coefficient for the complete drying cycle is 850 kJ/m² h °C.
A single drum drier, operating at atmospheric pressure, is being used to dry a wet slurry, containing 2.0 kg water per kg dry solids, to a final moisture content of 0.1 kg water per kg dry solids. The drum is heated internally with saturated steam at 500 kN/m², has a diameter and width of 0.5 m. The load factor on the drum is 0.05 kg/m² of dry solids. The product is removed from the drum at a point 2/3 of the circumference from the feed point. Calculate the speed of rotation of the drum in r.p.m. and the rate at which dry product is produced in kg/h. The overall heat transfer coefficient for the complete drying cycle is 850 kJ/m² h °C.
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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![2. A single drum drier, operating at atmospheric pressure, is being used to dry a wet
slurry, containing 2.0 kg water per kg dry solids, to a final moisture content of 0.1 kg
water per kg dry solids. The drum is heated internally with saturated steam at 500
kN/m², has a diameter and width of 0.5 m. The load factor on the drum is 0.05 kg/m²
of dry solids. The product is removed from the drum at a point 2/3 of the
circumference from the feed point. Calculate the speed of rotation of the drum in
r.p.m. and the rate at which dry product is produced in kg/h. The overall heat transfer
coefficient for the complete drying cycle is 850 kJ/m² h °C.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff982a17f-534d-4728-975e-d0b1286c0e13%2Fac9bfb65-ab03-4cc2-a6bf-f1edc497bc2a%2F1j8ir1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. A single drum drier, operating at atmospheric pressure, is being used to dry a wet
slurry, containing 2.0 kg water per kg dry solids, to a final moisture content of 0.1 kg
water per kg dry solids. The drum is heated internally with saturated steam at 500
kN/m², has a diameter and width of 0.5 m. The load factor on the drum is 0.05 kg/m²
of dry solids. The product is removed from the drum at a point 2/3 of the
circumference from the feed point. Calculate the speed of rotation of the drum in
r.p.m. and the rate at which dry product is produced in kg/h. The overall heat transfer
coefficient for the complete drying cycle is 850 kJ/m² h °C.
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