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It is proposed to air-cool the cylinders of a combustion chamber by joining an aluminum casing with annular fins (k = 240 W/m · K) to the cylinder wall (k = 50 W/m · K).
The air is at 320K and the corresponding convection coefficient is 100 W/m2 · K. Although heating at the inner surface is periodic, it is reasonable to assume steady-state conditions with a time-averaged heat flux of qi'= 105 W/m2. Assuming negligible contact resistance between the wall and the casing, determine the wall inner temperature Ti, the interface temperature T1, and the fin base temperature Tb' Determine these temperatures if the interface contact resistance is Rt,c = 10-4 m2 · K/W.
The stepping stone method is being used to solve a transportation problem. There is only one empty cell having a negative improvement index and this index is -2. The stepping stone path for this cell indicates that the smallest quantity for the ce..
The scenarios are these: You have been asked to help your best friend plan a wedding or a family reunion in another city. You have no concern for schedule or budget at the moment, only defining the work that needs to be done for the wedding or r..
ZMD is an aerospace company manufacturing commercial aircrafts. ZMD's Aircraft_Series_900 design specifications calls for a certain bolt, Bolt_A, with a minimum ultimate tensile strength of 17.4kN. In addition, ZMD's Quality and Manufacturing depa..
Identify the skills you possess that would enhance a virtual team project.
Briefly describe the mechanisms involved in the excavation of rock - What parameters are used when determining the shape of shafts and the size of shafts?
Liquid water at 30.0°C and liquid water at 90.0°C are combined in a ratio (1 kg cold water/2 kg hot water). (a) Use a simple calculation to estimate the final water temperature. For this part, pretend you never heard of energy balances.
What kind of fold is represented on the map? Draw a geological cross section along the line A-B shown on the map.
Prepare a well-researched report that identifies and analyses the existing OHS environment for the offshore petroleum industry in Australia.
Please describe the basic elements in a distillation process and what must be controlled in a distillation tower in order to ensure proper functioning of the distillation process?
Within the Discussion Board area, write 400 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your classmates. Be substantive and clear, and use examples to..
Write a short paper describingyour dream job, regardless of pay or geographical location ?
Calculate the formation factor (F) for both cores and the model (using both values of mf) and plot all your results on a standard log-log cross-plot of F vs. porosity.
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