Chemical Engineering - Heat Transfer - Discussion
Discussion Forum : Heat Transfer - Section 1 (Q.No. 7)
7.
Steam consumption in kg/hr in case of an evaporator is given by (where, C & E are capacity the economy of the evaporator respectively)
C/E
E/C
CE
Discussion:
12 comments Page 1 of 2.
Pushpendra singh said:
1 decade ago
capacity is the ratio of kg of vapor generated per hour, and Economy is the ratio of kg of vapor generated per kg of steam.
Rajesh kumar said:
1 decade ago
Capacity = steam generated/hour.
And economy = steam generated/steam utilised.
So economy = capacity/steam utilised.
Therefore steam utilised = capacity/economy.
And economy = steam generated/steam utilised.
So economy = capacity/steam utilised.
Therefore steam utilised = capacity/economy.
Muhammad Arslan Jameel Malik said:
10 years ago
Capacity = Vapor generated/hr.
Economy = Vapor generated/kg of steam.
So, Kg of steam = Vapor generated/economy.
And dividing both sides by hour.
We get, Kg of steam/hr = (Vapor generated/hr)/economy.
Kg of steam/hr = Capacity/economy (C/E).
Economy = Vapor generated/kg of steam.
So, Kg of steam = Vapor generated/economy.
And dividing both sides by hour.
We get, Kg of steam/hr = (Vapor generated/hr)/economy.
Kg of steam/hr = Capacity/economy (C/E).
(2)
Mahesh said:
7 years ago
Nice answer @Malik.
SALMAN Ali said:
7 years ago
Capacity = vapour generated/hr.
Ritik gupta said:
7 years ago
Nice method, Thanks @Malik.
Shire Leta said:
7 years ago
Capacity = steam generated/hour (kg/hr).
And economy = steam generated/steam utilized (kg of steam).
steam utilized(kg of steam)= steam generated/economy.
Then (kg of steam)*1/hr=(steam generated/economy)*1/hr
kg of steam/hr= (steam generated/hr)*1/economy.
Since steam generated/hr=capacity because capacity is a rate.
So steam utilized(kg of steam/hr) = capacity/economy.
Therefore steam utilised = capacity/economy.
And economy = steam generated/steam utilized (kg of steam).
steam utilized(kg of steam)= steam generated/economy.
Then (kg of steam)*1/hr=(steam generated/economy)*1/hr
kg of steam/hr= (steam generated/hr)*1/economy.
Since steam generated/hr=capacity because capacity is a rate.
So steam utilized(kg of steam/hr) = capacity/economy.
Therefore steam utilised = capacity/economy.
(2)
Pankaj Sawai said:
6 years ago
Nice, Thanks @Malik.
Om Prakash kannaujiya said:
6 years ago
Nice, Thanks @Malik.
Joy said:
4 years ago
Thanks @Malik.
(1)
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