Homework Help is Here – Start Your Trial Now!
Engineering
Chemical Engineering
(Mass and energy balance in a dryer)² Air at 25°C and 70% relative humidity is heated in an air heater and the hot air is supplied to a dryer. Three hundred kilogram of moisture is removed from the dryer per hour. It is desired that the moist air should leave the dryer at TG 55°C and T₁ = 40°C. Heat required for warming up of the wet solid and the heat losses taken together amount to 15% of that necessary for evaporation of water in the dryer. Calculate the temperature and flow rate of the hot air supplied to the dryer. Saturated steam at 5 atm gauge is used for air heating, and the overall heat transfer coefficient is 32 W/m2.°C. Calculate the area of the air heater. Given: latent heat of vaporization of water in the dryer = 2370 kJ/kg; latent heat of vaporization of saturated steam at 5 atm gauge = 2100 kJ/kg.

(Mass and energy balance in a dryer)² Air at 25°C and 70% relative humidity is heated in an air heater and the hot air is supplied to a dryer. Three hundred kilogram of moisture is removed from the dryer per hour. It is desired that the moist air should leave the dryer at TG 55°C and T₁ = 40°C. Heat required for warming up of the wet solid and the heat losses taken together amount to 15% of that necessary for evaporation of water in the dryer. Calculate the temperature and flow rate of the hot air supplied to the dryer. Saturated steam at 5 atm gauge is used for air heating, and the overall heat transfer coefficient is 32 W/m2.°C. Calculate the area of the air heater. Given: latent heat of vaporization of water in the dryer = 2370 kJ/kg; latent heat of vaporization of saturated steam at 5 atm gauge = 2100 kJ/kg.

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
See similar textbooks
icon
Related questions
Question
in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working!!!!!!!
(Mass and energy balance in a dryer)² Air at 25°C and 70% relative humidity is heated in an air heater and the hot air is supplied to a dryer. Three hundred kilogram of moisture is removed from the dryer per hour. It is desired that the moist air should leave the dryer at TG 55°C and T₁ = 40°C. Heat required for warming up of the wet solid and the heat losses taken together amount to 15% of that necessary for evaporation of water in the dryer. Calculate the temperature and flow rate of the hot air supplied to the dryer. Saturated steam at 5 atm gauge is used for air heating, and the overall heat transfer coefficient is 32 W/m2.°C. Calculate the area of the air heater. Given: latent heat of vaporization of water in the dryer = 2370 kJ/kg; latent heat of vaporization of saturated steam at 5 atm gauge = 2100 kJ/kg.
Transcribed Image Text:(Mass and energy balance in a dryer)² Air at 25°C and 70% relative humidity is heated in an air heater and the hot air is supplied to a dryer. Three hundred kilogram of moisture is removed from the dryer per hour. It is desired that the moist air should leave the dryer at TG 55°C and T₁ = 40°C. Heat required for warming up of the wet solid and the heat losses taken together amount to 15% of that necessary for evaporation of water in the dryer. Calculate the temperature and flow rate of the hot air supplied to the dryer. Saturated steam at 5 atm gauge is used for air heating, and the overall heat transfer coefficient is 32 W/m2.°C. Calculate the area of the air heater. Given: latent heat of vaporization of water in the dryer = 2370 kJ/kg; latent heat of vaporization of saturated steam at 5 atm gauge = 2100 kJ/kg.
Expert Solution
steps

Step by step

Solved in 2 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Process Dynamics and Control, 4e
Process Dynamics and Control, 4e
Chemical Engineering
ISBN:
9781119285915
Author:
Seborg
Publisher:
WILEY
Industrial Plastics: Theory and Applications
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The
SEE MORE TEXTBOOKS