Questions from Thermal Fluid Science

Q: A thin electronic component with a surface area of 950 cm2 is

A thin electronic component with a surface area of 950 cm2 is cooled by having a heat sink attached on its top surface. The thermal contact conductance of the interface between the electronic componen...

Q: Consider an 800-W iron whose base plate is made of

Consider an 800-W iron whose base plate is made of 0.5-cm-thick aluminum alloy 2024–T6 (ρ = 2770 kg/m3, cp = 875 J/kgâ‹…K, α = 7.3 Ã&#...

Q: Reconsider Prob. 18–14. Using appropriate software, investigate

Reconsider Prob. 18–14. Using appropriate software, investigate the effects of the heat transfer coefficient and the final plate temperature on the time it will take for the plate to...

Q: Consider an engine cover that is made with two layers of metal

Consider an engine cover that is made with two layers of metal plates. The inner layer is stainless steel (k1 = 14 W/m⋅K) with a thickness of 10 mm, and the outer layer is aluminum (k2 = 237W/m⋅K) wit...

Q: Reconsider Prob. 3–60. Using appropriate software, investigate

Reconsider Prob. 3–60. Using appropriate software, investigate the effect of wind velocity and the blade span diameter on wind power generation. Let the velocity vary from 5 to 20 m/s in increments of...

Q: Metal plates (k = 180 W/m⋅K,

Metal plates (k = 180 W/m⋅K, ρ = 2800 kg/m3, and cp = 880 J/kg⋅K) with a thickness of 1 cm are being heated in an oven for 2 min. Air in the oven is maintained at 800°C with a convection heat transf...

Q: Inconel® refers to a class of nickel-chromium-based

Inconel® refers to a class of nickel-chromium-based superalloys that are used in high temperature applications, such as gas turbine blades. For further improvement in the performance of gas turbine en...

Q: A 5-mm-thick stainless steel strip (k =

A 5-mm-thick stainless steel strip (k = 21 W/m⋅K, ρ = 8000 kg/m3, and cp = 570 J/kg⋅K) is being heat treated as it moves through a furnace at a speed of...

Q: What are the two approaches used in the development of the thermal

What are the two approaches used in the development of the thermal resistance network for two-dimensional problems?

Q: A batch of 2-cm-thick stainless steel plates (

A batch of 2-cm-thick stainless steel plates (k=21W/m⋅K, ρ=8000 kg/m3, and cp =570 J/kg⋅K) are conveyed through a furnace to be heat treated. The plates...