Heat Transfer Lab Report

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TABLE OF CONTENTS

Introduction 1.0
Methodology 2.0
Results 3.0
Theoretical Results 4.0
Discussion 5.0
Conclusion 6.0
References 7.0

i Heat transfer from a flat plate in parallel flow DavidMcLoughlin
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Introduction

Heat travels in three forms; conduction, convection and radiation. In this experiment the process of convection and radiation was investigated. Convection occurs due to the fact that when a gas is heated its pressure will remain the same and its density drops. Therefore, in a system the warmest gas will always travel to the “top” of the system where density is at its lowest.

Heat travels through this form by creating a cycle of cold air replacing the risen warm air. The cold
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316.65 296.65 306.65 58.3 49.1 18.87390389 50.33041037 316.95 296.35 306.65 62.1 49.1 20.55542531 53.2179296

Pressure (Pa) Air Velocity (m/s) Reynold's number

49.05 8.94883415 117747.8178 107.91 13.27326606 174648.2376
147.15 15.49983542 203945.2029 196.2 17.8976683 235495.6355
245.25 20.01020148 263292.1247

Kinematic Viscosity of Air at 300 K (m^2/s) Prandtl Nusselt Thermal Average Numbe Number of Air Conductivi Convection r of Air at 300 K ty of air at Coefficient at 300 K 300 K (W/m^2K) (W/mK) 0.00001589 0.707 202.9789419 0.0263 35.58897447
0.00001589 0.707 247.2046606 0.0263 43.34321716 0.00001589 0.707 267.1353105 0.0263 46.83772445
0.00001589 0.707 287.0555724 0.0263 50.33041037 0.00001589 0.707 303.5243133 0.0263

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