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The system under consideration is an electronic circuit board, oriented vertically in 27 degree C air. Due to electric resistance heating, the circuit board is dissipating a total of 22 Watts. It has dimensions of 16cm by 16cm and is insulated on the back side. The object of this problem is to minimize the temperature of the circuit board. This needs to be done by trying the following four things: (a) free (or natural) convection (b) forced convection (using a fan for flow) (c) free convection with fins (d) forced convection with fins Note: For the finned cases, apply rectangular pure aluminum fins, 3 mm thick, 1.5cm long, vertical, from bottom to top of the circuit board, neglect "contact resistance" and use the same convection heat transfer coefficient as for the "no fin" cases. Consider applying a single fin or more than one fin. You also do not need to consider radiation heat transger in the calculations. However, you should consider how the resuts for the no-fin cases might change if radiation heat transfer is included in the analysis Calculate the circuit board temperature for each case to see which option gives the best results.
Package Design Brief: Assume you are the packaging engineer for a large consumer products company. In this company, the Packaging Design Briefs are initiated by the marketing group and forwarded to the Package Engineering group.
Define dynamic viscosity, Determine the centroid, Pressure due to the height of liquid, Advantage of changing the liquid, Calculate the total moment about the hinge of the seal gate.
DOF system and Find the differential equation describing the system
Write a paper on Boyle's law and describe Compression and Combustion stroke . Also explain Charles's law and illustrate SI engine and CI engine.
To Verify the law for parallelogram of forces, law for triangle of forces and law of polygon of forces. These laws are very useful to calculate unknown forces in very short time.
What is the discharge revised discharge pressure of the compressor.
The role of IFRS in both developing and developed capital markets.
Wind turbines are becoming more and more common as a method of energy production, wind turbines by their very nature are dynamic and are subject to and create their own internal and external kinematics and kinetics.
8 x product engineering and design review (week 2 – 12), ~3 pages per item which must contain a brief description of the product then delve into concepts such as materials selection, manufacturing methods, life cycle analysis, recyclability and overa..
Design of absorption column and the cooler. Process design of other units should be completed along with pipe sizes.
Determine maximum total bending moment (static plus dynamic) of the beam under steady-state conditions.
Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.
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