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The figure shows a spray dryer operating at steady state. The mixture of liquid water and suspended solid particles entering through the spray head contains 30% solid particles by mass. Dry air enters at 177°C, 1 atm, and moist air exit at 85°C, 1 atm, and 21% relative humidity with a volumetric flow rate of 310 m3/min. The dried particles exit separately. Determine: the volumetric flow rate of the entering dry air, in m3/min. the rate that dried particles exit, in kg/min.

The figure shows a spray dryer operating at steady state. The mixture of liquid water and suspended solid particles entering through the spray head contains 30% solid particles by mass. Dry air enters at 177°C, 1 atm, and moist air exit at 85°C, 1 atm, and 21% relative humidity with a volumetric flow rate of 310 m3/min. The dried particles exit separately. Determine: the volumetric flow rate of the entering dry air, in m3/min. the rate that dried particles exit, in kg/min.

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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The figure shows a spray dryer operating at steady state. The mixture of liquid water and suspended solid particles entering through the spray head contains 30% solid particles by mass. Dry air enters at 177°C, 1 atm, and moist air exit at 85°C, 1 atm, and 21% relative humidity with a volumetric flow rate of 310 m3/min. The dried particles exit separately. Determine:

  1. the volumetric flow rate of the entering dry air, in m3/min.
  2. the rate that dried particles exit, in kg/min.
Solid-liquid mixture 70% liquid 30% solid Moist air 310 m/min, D 85°C. 1 atm, O = 21% Dry air, 177°C, Dried particles 1 atm
Transcribed Image Text:Solid-liquid mixture 70% liquid 30% solid Moist air 310 m/min, D 85°C. 1 atm, O = 21% Dry air, 177°C, Dried particles 1 atm
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