MASS TRANSFER - EXAMPLE 4.1 : A concentric, counter-current heat exchanger is us

MASS TRANSFER - EXAMPLE 4.1 : A concentric, counter-current heat exchanger is used to cool lubricating oil. Water is used as the coolant. The mass flow rate of oil into the heat exchanger is 0.1 kg / s = FO. For oil, the inlet temperature TIO = 100 degree Celsius and the outlet temperature TOO = 55 degree Celsius. For water, the inlet temperature TIW = 35 degree Celsius and the outlet temperature TOW = 42 degree Celsius. What is the mass flow rate of water in kg / s, FW needed to maintain these operating conditions? Constant for heat capacity of oil is CO = 2131 J /(kg K) and for water is CW = 4178 J /(kg K). Use the equation (FO)(CO)(TIO ?TOO) = (FW)(CW)(TOW ?TIW).

Question Posted / kangchuentat

1 Answers
2514 Views
I also Faced
E-Mail Answers

MASS TRANSFER - EXAMPLE 4.1 : A concentric, counter-current heat exchanger is used to cool lubricati..

Answer / kangchuentat

MASS TRANSFER - ANSWER 4.1 : Rearranging the given equation, then FW = (FO)(CO)(TIO – TOO) / [ (CW)(TOW – TIW) ] = (0.1)(2131)(100 – 55) / [ (4178) (42 – 35) ] = 0.327891 kg / s. The answer is given by Kang Chuen Tat; PO Box 6263, Dandenong, Victoria VIC 3175, Australia; SMS +61405421706; chuentat@hotmail.com; http://kangchuentat.wordpress.com.

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Chemical Engineering Interview Questions

What is a 'saltation velocity' and how is it used in designing pneumatic conveying systems?

0 Answers

hai i A neelakanteswara rao ,selected for the interview on 15th july 2008. I completed my diploma in chemical engineering.let me know how to face the interview& the type of technical questions.

0 Answers IOCL,

How many days we are store our cement bags?

4 Answers

all subject of chemical engg

1 Answers

What information is needed to specify a mixer?

0 Answers

What is g and gc in a bernoulli's theorem?

2 Answers TCL,

QUANTUM BIOLOGY - EXAMPLE 33.4 : (a) According to Landauer (1986), the capacity of human memory is approximately X bits. Assume that a human retains 2 bits / second of visual, verbal, tactile and musical memory, find the value of X if a human lifetime is approximately 2.5 billion seconds. (b) The total power consumption of the human brain is about 25 Watts. The bread of 100 grams will produce 1000 kilojoules of energy. How much bread is needed to run a human brain for 1 day?

1 Answers

What are the steps required to design a vapor-liquid separator or flash drum?

0 Answers

Question 56 - The kinetic behavior of an enzyme could be described using Michalis - Menten equation : Vo = Vmax [S] / (Km + [S]). Derive this equation from [ES] = [E]total [S] / (Km + [S]), Vmax = Kcat [E]total, Vo = Kcat [ES].

1 Answers

Cooling water line sizing ?

0 Answers Deepak Fertilisers,

How can separation of chiral chemicals affect the chemical and/or pharmaceutical industries?

0 Answers

QUANTUM BIOLOGY - EXAMPLE 33.5 : (a) In the measurement of the number of photons received by a plant during photosynthesis, quantum meter is used. At 8 AM, 11 AM, 12 PM, 2 PM and 4 PM of the same day, the measured readings of the meter are 10, 70, 60, 120 and 120 units. Find the mode, median and min of the readings of the quantum meter. (b) Microtubule is used to carry information in a cell. If the cross-sectional area of the microtubule has a diameter of 25 nanometers, find the volume of the microtubule of 1 nanometer in height. State the assumption of calculation.

1 Answers

For more Chemical Engineering Interview Questions Click Here