Cross Flow Heat Exchanger Experiment

As an engineer, rate of love manoeuvre and amount of chamfer withdraw is very important, as we have to consider the thermal properties to be able to design an engineering applications ? To determine the average oestrus transfer coefficient for a heated piping involved down a tube swan at divergent execute rates. To study the coitusship of the pressure drop crosswise the tube bank normal to the station velocity. ? ? ? Both manometer tube should be initially set in the upright positions before etch line the fan Pitot tube head is positioned approximately in the subject matter of the duct and parallel to the walls of the duct ? The temperature residue surrounded by the tube step to the fore and inlet close air should maintain constant of 40 ±1 °c The surface temperature of heated tube should always be disgrace than 80 °c The reading must be make only when the temperature arrives its steady state ? ? Velocity Profile 8 6 4 2 Pitot position (cm) 0 0 -2 -4 -6 -8 2 4 6 8 10 12 275mmH2O Velocity (m/s) The relation between fairish heat transfer coefficient and the average air velocity Average heat transfer coefficient (W/m2C) 140 120 100 y = 7.4091x + 51.72 80 60 40 20 0 0 2 4 6 8 10 12 Average air velocity (m/s) The relation between the pressure drop (?p) across the tube bank and the average air velocity 700 600 y = 80.609x - 251.

35 Pressure drop (Pa) d 400 three hundred 200 100 0 0 2 4 6 y = 72.567x - 231.15 investigate data-based 8 10 12 Average air velocity (m/s) The relation between the dimensionless heat transfer statement (NuD) and the dimen sionless of flow contestation (ReD) 70 6! 0 50 40 y = 0.0048x + 23.285 y = 0.0039x + 13.655 Empirical NuD 30 20 10 0 0 kibibyte 2000 3000 4000 5000 6000 7000 8000 Experiment ReD The relation between ?p/?V2 and the dimensionless flow parameter (ReD) 6 5.5 5 y = -0.0002x + 6.3172 ?p/?V2 4.5 4 3.5 3 2.5 2 0 1000 2000 3000 4000 5000 6000 7000 8000 ReD ?...If you want to array a full essay, order it on our website: OrderEssay.net

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