An elbow is to be attached to a pressurized water tank ptank = 15 kPa (gauge). Water is to flow out of the elbow into the ambient, atmospheric environment. The inner diameter of the elbow is 2 cm. The loss coefficient of the elbow is K = 0.3. Neglect gravitational and entrance effects. Assume the elbow is massless. Use properties of water at 20°C. Tank Prank=15 kPa(gauge) Flange Tank walk (a) What is the flow rate out of the elbow? (b) Treating the elbow as a tube, what is the Reynolds number? Is the flow laminar or turbulent? (c) What horizontal force on the flange, F, is required to secure the elbow to the tank while the fluid is flowing?

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.