Water is heated in a double-pipe heat exchanger. Water passes through the inner tube, and steam passes through the annulus. The steam is saturated and condenses at a temperature of 115.6°C on the outer surface of the inner tube. The water is to be heated from an inlet temperature of 21.1°C to an outlet temperature of 60°C. The inner tube is 1 standard type M copper tubing = 0.2680 m). The exchanger is (D, 6.10 m long. Calculate the average convection coefficient (in W/m-K) if inner the mass flow rate is 40.82 kg/min. Aasalar-duid (vapor) inlt Tabefuid Tube-fluid ialet outlet Aanular-laid (condensate) outlet

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Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.