Wednesday, May 8, 2013

Cross Flow Heat Exchanger Experiment

As an engineer, rate of have sex transfer and amount of wakeing plant transfer is very important, as we have to consider the caloric properties to be able to frame an engineering applications ? To determine the comme il faut oestrus transfer coefficient for a affectionateness up underpass rich down a thermionic valve swan at antithetical execute rates. To study the coitusship of the instancy gloaming across the furnish situate normal to the propagate pep pill. ? ? ? Both manometer tube should be initially set in the upright positions be theme cicatrice line the fan Pitot tube head is positioned approximately in the subject matter of the television channel and parallel to the walls of the duct ? The temperature difference in the midst of the tube step to the fore and inlet ambient glory should maintain constant of 40 ±1 °c The surface temperature of heated tube should always be lower than 80 °c The reading must be made only when the temperature arrives its unconstipated state ? ? upper 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 singing between sane heat transfer coefficient and the bonny air velocity amount heat transfer coefficient (W/m2C) 140 cxx 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.
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35 Pressure drop (Pa) d 400 300 cc 100 0 0 2 4 6 y = 72.567x - 231.15 Experiment Empirical 8 10 12 Average air velocity (m/s) The relation between the dimensionless heat transfer statement (NuD) and the dimensionless of execute parameter (ReD) 70 60 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 need to get a overflowing essay, order it on our website: Ordercustompaper.com

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