AS& Heat Transfer in Steam Heater Water at an average of 70°F is fiowing in a 2-in. steelpipe, schedule 40. Steam at 220°F is condensing on the outside of the pipe. The convective coefficient for the water inside the pipe is A = 500 btu/h ft2.°F and the con-densing steam cocfficient on the outside is h = 1500(a) Calculate the heat loss per unit length of1 ft of pipe using resistances.(b) Repcat, using the overall based on the inside area Ap(c) Repeat, using U13.2-Ans. (a)q= 26 710 btu/h (7.828 kW). (b) Uj = 329.1 btu/h-ft2."F(1869 W/m2. K), (c) U.= 286.4 btu/h ft2.°F (1626 W/m2. K)

Answered: Image /qna-images/answer/c31b2ed8-19a8-498c-961c-5d0e977f58ed.jpg

Answered: AS& Heat Transfer in Steam Heater Water…

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

See similar textbooks

Similar questions

A 34'11 MWth plant operates at a thermal efficiency of 34%. The waste heat is dumped across a condenser which operates at a shell side pressure of 0.717 psia. For the given information below, determine the condenser tube length. Coolant Flow Rate 4.81 x 108 Ibm/hr Coolant Inlet Temperature 60 F Number of Tubes 62,832 Lattice triangular Pitch 1.5 inch Tube OD 1 inch Tube ID 0.944 inch Tube Thermal Conductivity 10 Btu/hr-ft-F Condensing Heat Transfer Coefficient 1228 Btu/hr-ft2-F
please show full and detailed solution. i need as soon as possible.
A 2kW stainless-steel electrical kettle with capacity 2 liters is used to obtain steam from tap water. The ambient temperature of the water is 20°C, heat of vaporization of water is 2256 kJ/kg and specific heat coefficient of water is 4287 J/kg°C. Thermal resistance of the kettle is 0.1°C/W. a. How long it will the water to reach the boiling temperature? b. How long it will take to obtain 500 g steam?
Note: No rounding off in the solution
It has been found that condensation forms on the outside of the refrigerator when the temperature on the surface is T1 and lower certain parts during the year. If the temperature on the inside of the refrigerator is T2 , how thick insulation needed to avoid condensation? The cooling effect in the refrigerator is ?. The refrigerator wall is built (from the outside) with 1 mm metal (thermal conductivity is k1),mineral wool (thermal conductivity is k2)and an additional layer of 1 mm metal. T1 (°C)= 15 , T2(°C)=3 , ? (W)=70 , k1 (W/m·K)=15 , k2 (W/m·K)=0.04
I need the answer as soon as possible
Prlen # 9. Solve for: a) heat tranefer pate of ayatem ) mass Mow rate bath Atreams. Ueing a double kipe Reat eschunger (imside di anaeten =0.38 m, %3D outside diaetu = 0.40 m total length= 0.14 m steam (0.12 mPa kas wndengme The steam conde na atiin method. wtili ged peservoir water flow, outlet ald fluid temp. = at 306.95 K using 321.85 K countereurrent Uaing ouerall neat tranefer outride Aurface area, Crefficint: Uo-5219.97 W/m² K
Catalogue data of a water-cooled condenser of a manufacturer gives the following details: Condensing temperature 48.9°C Water inlet temperature 37.8°C Water flow rate 20.694 kg/s Capacity 145 tons Estimate the capacity of this condenser with the same water flow rate but with an inlet temperature of 30°C and a condensation temperature of 42°C. The evaporation temperature may be assumed to be constant at 2.2°C.
Given • 1 million people in Hong Kong using low-flush toilet and low-flow shower head.• 1 million leaky toilet and Faucet. Energy needed to treat waterAverage energy use for water treatment drawn from southern California studies is 652 kWh per acre-foot (AF), where one AF = 325,853 gallons.Thermal Energy in CoalThe thermal power plants consume about 0.45 kg of coal per kWh.Energy output/fire power plantA typical 500 megawatt coal power plant produces 3.5 billion kWh per year.CO2 EmissionTaking coal to contain 50 percent carbon, which combines with oxygen during burning to form CO2, we can arrive at 1.83 kg CO2 for every 1 kg of coal burned. Find 4. How many African children (1 liter/kid/day) we can support?
11 MWth plant operates at a thermal efficiency of 34%. The waste heat is dumped across a condenser which operates at a shell side pressure of 0.717 psia. For the given information below, determine the condenser tube length. A Coolant Flow Rate 4.81 x 108 Ibm/hr Coolant Inlet Temperature 60 F Number of Tubes 62,832 Lattice triangular Pitch 1.5 inch Tube OD 1 inch Tube ID 0.944 inch Tube Thermal Conductivity 10 Btu/hr-ft-F Condensing Heat Transfer Coefficient 1228 Btu/hr-ft²-F
helpp
. A 10 TR ammonia ice plant has a two-pass shell-and-tube water-cooled condenser. The water enters at 30°C. The temperature rise of water may be taken as 2.5°C. The refrigerant condensing temperature is 35°C, the heat rejection ratio of the plant is 1.35. The condenser has 24 steel tubes of 21 mm OD and 13.65 mm ID. Determine the length of the tubes.

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS