Question

A33m by 6 m wall consists of a long 18 cm cm cross-section of horizontal bricks (k = 0.72 W/m 0C) separated by b30 y a 3 cm thick plaster layer (k = 0.22 W/m 0C). There are also a 2 cm thick plaster layers on each side of the wall and a 2 cm thick rigid foam (k = 0.026 W/m "C) on the inner side of the wall. The indoor and outdoor temperatures are 22 "C and - 4 °C respectively. Assuming one-dim ional heat tran\f'e,.(.-C(.)y'-fer detennine the rate of hL-.. a s.fer

Hgh vide 1. A3m by 6 m wall consists of a long 18 cm by 30 cm cross-section of horizontal bricks (k-0.72 Wm C) separated by a

0 0
Add a comment Improve this question Transcribed image text
Answer #1

--/laata am Bnc scm 2cm Ru uchvi of brick, 나뉘 -072 wo/mocP0-026x 33 K, A K2 A 0-22x 33 0.15 #322x .OIS k, A 22 C lokd y3198 a o 33

Add a comment
Know the answer?
Add Answer to:
A33m by 6 m wall consists of a long 18 cm cm cross-section of horizontal bricks...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Consider an ocean-facing room in a high-rise building (L/W of 1).  The ocean-facing wall (with window) is...

    Consider an ocean-facing room in a high-rise building (L/W of 1).  The ocean-facing wall (with window) is 10m by 4 m, contains two windows (3m by 1m, each). Assume the room is located 30 m above the neutral pressure level and the inside air temperature is maintained at 24°C with RH of 50%.  Outside air is of 35°C with RH of 60%. Assume the convective heat transfer coefficients on inner side and outer side of the wall and window are 0.5 and...

  • sir which thing is not given..you can assume..and kindly sir post answer fastly Project Statement A...

    sir which thing is not given..you can assume..and kindly sir post answer fastly Project Statement A cold storage is to be built in Lahore city with given dimensions in the figure below. It is required that the inside temperature shouldn't exceed -2 °C and inside average convection heat transfer coefficient is estimated to be 7 W/mp. °C. You are given a task to insulate the walls of cold storage with some suitable insulation which can maintain the given conditions inside...

  • Consider a 1.2-m-high and 2-m-wide double-pane window consisting of two 3-mm-thick layers of glass (k =...

    Consider a 1.2-m-high and 2-m-wide double-pane window consisting of two 3-mm-thick layers of glass (k = 0.78 W/m K) separated by a 12-mm-wide stagnant air space (k = 0.026 W/m K). Determine the steady rate of heat transfer through this double-pane window. R . and all the surface temperatures (inner and outer of each pane) within the circuit (which you will draw and correctly label) for a day during which the room is maintained at 24°C while the temperature of...

  • An exterior wall of a house made in three layers (brick (layer 1) + loosely packed...

    An exterior wall of a house made in three layers (brick (layer 1) + loosely packed rock (layer 2) + gypsum plaster (layer 3)) may be approximated by a L1=10 cm layer of common brick k1=0.7 W/m℃ and a L3=4 cm layer of gypsum plaster k3=1.07 W/m℃. The total wall surface A=55 m2. The thickness L2 of loosely packed rock-wool insulation k2=0.65 W/m℃. The outlet temperature To=45℃, the inner temperature Ti=22℃, The internal wall temperature T1=27℃ . The heat transfer...

  • A wall in a building has a width of 15 m and a height of 3...

    A wall in a building has a width of 15 m and a height of 3 m. It is made of several layers — a layer of motionless air with an R value of 0.12 K m2/ W, a 12.4 mm thick layer of gypsum board with a thermal conductivity of 0.17 W/m K, a layer of brick with an R value of 1.7 K m2/ W, and another layer of motionless air with an R value of 0.12 K...

  • Consider a house that has a 10-m x 20-m base and a 4-m-high wall. All four...

    Consider a house that has a 10-m x 20-m base and a 4-m-high wall. All four walls of the house have an R-value of 2.31m2°C/W. The two 10-m x 4-m walls have no windows. The third wall has five windows made of 0.5-cm-thick glass (k = 0.78 W/m-K), 1.2m x 1.8min size. The fourth wall has the same size and number of windows, but they are double paned with a 1.5-cm-thick stagnant air space (k = 0.026 W/m-K) enclosed between...

  • [6] A 20-cm thick wall of a house made of brick (k = 0.72W/m. C) is...

    [6] A 20-cm thick wall of a house made of brick (k = 0.72W/m. C) is subjected to inside air at 22.C with a convection heat-transfer coefficient of 15 W/m2. C. The inner surface temperature of the wall is 18 C and the outside air temperature is -1 °C. Determine the outer surface temperature of the wall and the heat-transfer coefficient at the outer surface.

  • Heat Transfer -A wall 20 cm thick is to be constructed from material that has an...

    Heat Transfer -A wall 20 cm thick is to be constructed from material that has an average thermal conductivity of 2 W/m C. The wall is to be insulated with 5cm material having an average thermal conductivity of 0.5W/m C. Assuming that the inner and outer surface temperatures of the insulated wall are 200 and 20°C, calculate the heat transfer per unit area and the intermediate Temperature between the insulation and the wall.

  • Assist The inner and outer surfaces of a 6-mx7-m brick wall of thickness 40 cm and...

    Assist The inner and outer surfaces of a 6-mx7-m brick wall of thickness 40 cm and thermal conductivity 0.55 W/m°C are maintained at temperatures of 26°C and T°C, respectively Determine the rate of heat transfer through the wall, in W. Chec Print Questi Report Brick wall 28 C

  • The wall of a house is 3 m high, 10 m long and 30 cm thick;...

    The wall of a house is 3 m high, 10 m long and 30 cm thick; it has an effective thermal conductivity of 10 W/m K. The outer surface of the wall has an emissivity of 0.75. On a winter night, the outer surface of this wall is at a temperature of 0 °C and the air is at a temperature of –10 °C. The heat transfer coefficient for the outside wall is 8 W/m2 K. The outside wall also...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT