A stainless steel (AISI 304) tube used to transport a chilledpharmaceutical has an inner diameter of 36 mm and a wall thickness of 2mm. The pharmaceutical and ambient air are at temperatures of 2°C and23°C, respectively, while the corresponding inner and outer convectioncoefficients are 400 W/m²-K and 10 W/m²-K, respectively. Evaluate theproperties of the stainless steel at T = 280 K.(a) What is the heat gain per unit tube length?9' uninsulated=i!W/m(b) What is the heat gain per unit length if a 10-mm-thicksilicate insulation (kins=SUPPORT0.05 W/m.K) is applied to the tuinsulated--

Approach to solving the question: Detailed explanation: So, the heat gains per unit tube length…

Answered: A stainless steel (AISI 304) tube used…

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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Problem: A solid copper cube of 10-cm edge length(p =8954 kg/m³, c = 383 J/kg.K, k= 386 W/m.K) initially at a uniform temperature T;= 250°C is suddenly immersed in a well-stirred fluid which is maintained at a uniform temperature T = 50 °C. The heat transfer coefficient between cube and the fluid h=20O W/m²K. A. Check whether the lumped system analysis is suitable. B. Determine the temperature of the copper block at t= 5 min after the immersion. TE 250°C 10 cm Tm= 50 °C, h=200 w/mk
I need help on 2b
(B) Stainless steel tube is used to transport pharmaceutical liquids, it has an inner diameter of 40 mm and a wall thickness of 4 mm. The pharmaceutical and ambient air are at temperatures of 6 C and 23C, respectively, while the corresponding inner and outer convection coefficients are 400 W/m² .K and 6 W/m² K, respectively. (a) What is the heat gain per unit length? (b) What is the heat gain per unit length if a 10 mm thickness layer of calcium silicate insulation (kins = 0.050 W/m. K) is applied to the tube? Page 5 of 8 l ri = 20mm 2=22mm Toi=60 hi-400w/m²k insulation kin=0.05w/mk Too,o=23°C ho=6W/m²k
Can someone please help me to solve all of the following question showing all work and explanation as well as graphs needed in excel with formulas. Thank you!
= A long rod of 60-mm diameter and thermophysical properties p 8000 kg/m³, c C = 500 J/kg-K, and k = 50 W/m-K is initially at a uniform temperature and is heated in a forced convection furnace maintained at 750 K. The convection coefficient is estimated to be 1000 W/m².K. What is the centerline temperature of the rod when the surface temperature is 570 K? The centerline temperature of the rod is i K.
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1. Do a project research based on this topic. Gas turbines are used for many purposes from aeroplane engines to industrial electric power generating sets. They are at the heart of most jet engines but also for propeller driven engines. Hence, do a mechanical report on operation for gas turbine plant and justify its operation.
The rear window of an automobile is defogged by passing warm air over its inner surface. If the warm air is at Ti = 40°C and the = 30 W/m2-K, what are the inner and outer surface temperatures, in °C, of 4-mm-thick corresponding convection coefficient is h; window glass, if the outside ambient air temperature is To = -15°C and the associated convection coefficient is h, = 65 W/m²-K? o,0 Evaluate the properties of the glass at 300 K. Tsi i °C Ts,0 i °C
In a manufacturing process, a long 20 cm diameter rods of stainless steel (k = 14.9 W/m.K, p = 7900 kg/m³, c = 477 J/kg.K) are at a uniform temperature of 600°C in a curing oven, from which they are removed and cooled by forced convection in air at 200°C and convection coefficient of 45 W/m2.K. (a) How long does it take for the rod to have a minimum temperature of 360°C? (b) Calculate the maximum temperature at that time?
A common arrangement for heating a large surface area is to move warm air through rectangular ducts below the surface. The ducts are square and located midway between the top and bottom surfaces that are exposed to room air and insulated, respectively. For the condition when the floor and duct temperatures are 30C and 80C, respectively, and the thermal conductivity of concrete is 1.4 W/m*K, calculate the heat rate from each duct, per unit length of the duct. Use a grid spacing with delta x = 2*(delta y), where delta y = 0.125L and L=150mm.

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