(3-5) A composite furnace wall has an inside wall temperature of 1100 C and an outside walltemperature of 38 C. The types of bricks are available as follows:brickk, W/m-kThickness, cmMax allowable temp, °C1.1.4510.520.185.587530.507.0200The heat loss must not exceed 0.73 kw/ m?.3. Determine the minimum wall thickness4. The actual heat loss for (6)5. The temperature between the last two bricks counting from the inside.

Answered: Image /qna-images/answer/a55da4b4-06d7-490d-8e9b-a705229f8f39.jpg

Answered: (3-5) A composite furnace wall has an…

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

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Rank the materials from highest to lowest of which has the best thermal shock resistance without doing any calculations. we know that ceramics with low thermal expansion, low elastic moduli, and high fracture toughness are resistant to thermal shock.
5.10 A flaked cereal is of thickness 2L = 1.2 mm. The density, specific heat, and thermal conductivity of the flake are p = 700 kg/m³, cp = 2400 J/kg K, and k = 0.34 W/mK, respectively. The product is to be baked by increasing its temperature from T₁ = 20°C to T, = 220°C in a convec- tion oven, through which the product is carried on a con- veyor. If the oven is L₁ = 3 m long and the convection heat transfer coefficient at the product surface and oven air temperature are h = 55 W/m² K and T. = 300°C, respectively, determine the required conveyor velocity, V. An engineer suggests that if the flake thickness is reduced to 2L = 1.0 mm the conveyor velocity can be increased, resulting in higher productivity. Determine the required conveyor velocity for the thinner flake. 2L = 1.2 mm Conveyor belt Cereal product V L₂ Oven h = 55 W/m².K T_= 300°C
Please answer to the best of your ability. Please show all necesary work and answers
Please help and show all steps on how answer was solved. Class is Heat Transfer. Thank you.
Qigihar House in Heilongiiang Province, China Heat Loss Problems, BSCl 2101 Climate: Avg. remperature is 3.2°C Degree Days is 5000 Inside Air Temp. is 20°C Wall Construction, Inside to Out: 15mm Gypsum Plaster, Sand Aggregate Concrete Block, rectangular core, Sand and Gravi 15mm Cement Plaster, Sand Aggregate All 4 walls measure the same, 8m wide by 7mtall. The house is heated with electricity at a cost of $0.10kWh Calculate the RSI-total for the walls using the tabular method demonstrated in class, and the temperature drop through each element for the January 2.5% temperature. Calculate the rate of heat flow through the wall again for the January 2.5% temperature. Plot the temperature profile approximately to scale through a vertical cross-section of the wall. Calculate the January heating cost for the building. Calculate the annual heating cost for the building. Now add 2" ( 50.8mm ) of extruded polystyrene, smooth skin surface, 35kgm3 rigid insulation to the inside surfaces…
PLEASE ANSWER WITH COMPLETE AND DETAILED SOLUTION. THANK YOU
THE PROBLEM IS FROM THE BOOK: ENGINEERING THERMOFLUIDS, M. MASSOUD.
What duty is required to cool 1 t of Melons in 12 h from 20°C to 4°C? (Use Table 21.1 data
A ball made of steel alloy with a diameter of 2 millimeters is first heated to 800 degrees and then suddenly immersed in a water bath to cool down to 100 degrees. The materials from which the ball is made have a thermal conductivity coefficient of 54.94 w / mk, a heat capacity of 7860 kg / m3, a heat capacity of 450 j / kg. Also, the heat transfer coefficient is 41.66 2 / m2. a-)Find the temperature of the ball immersed in water after 10 seconds. b-)Find the time required to cool the ball to 400 degrees.
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A 3000 N vehicle, shown in the figure, crosses a rough road at 120 km / h. The amplitude of the sine curve representing the path is 2.5 cm and the wavelength is 5 m. According to this; a) 120 km /h speed is the critical point where resonance occurs. Determine the spring constant (k) in case of velocity. b) Determine the spring constant of the spring that will give a vibration amplitude of 0.5 cm at a speed of 120 km / h.
Some help please (How do I go about this? TIA)...Determine the rate of heat loss per square foot through thr wall of your home if the home is heated to 70F when the outside temperature of -10F. Assume the fiberglass insulation has the same properties as silica glass fiber.

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