Discuss the errors and their sources which might occurred in this experiment and affected its results

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
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Chapter1: Basic Modes Of Heat Transfer
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Discuss the errors and their sources which might occurred in this experiment and affected its results
Heat Transfer Lab
EXP3-Part1 – H3: UNSTEADY STATE HEAT TRANSFER
Objective
The observation of unsteady state conduction of heat to the centre of a solid shape when a
step change is applied to the temperature at the surface of the shape.
Equipment used in this experiment
1. Unsteady State Heat Transfer Unit
2. Heat Transfer Service Unit H111
3. Specimens
Transcribed Image Text:Heat Transfer Lab EXP3-Part1 – H3: UNSTEADY STATE HEAT TRANSFER Objective The observation of unsteady state conduction of heat to the centre of a solid shape when a step change is applied to the temperature at the surface of the shape. Equipment used in this experiment 1. Unsteady State Heat Transfer Unit 2. Heat Transfer Service Unit H111 3. Specimens
Time (sec)
T1 (°C)
T2 (°C) | T3 (30 mm brass) (°C) | T3 (20mm brass) (°C) | T3 (20Omm Steel) (°C)
90
25
25.6
26.1
28.1
32.9
36.8
35
10
37
51.3
50.2
15
55.2
68.6
60.1
20
66.9
74.8
66.1
25
70.3
78.7
71
30
76.3
83.5
75
35
79.3
86.3
77.8
40
81.1
87.5
80.3
45
82.8
88.8
82.4
50
83.9
89.9
83.9
55
85.1
91
85.2
60
86
91.5
86.1
65
86.5
92
86.8
70
86.9
92.5
87.5
75
92
27
87
92.9
88.1
Transcribed Image Text:Time (sec) T1 (°C) T2 (°C) | T3 (30 mm brass) (°C) | T3 (20mm brass) (°C) | T3 (20Omm Steel) (°C) 90 25 25.6 26.1 28.1 32.9 36.8 35 10 37 51.3 50.2 15 55.2 68.6 60.1 20 66.9 74.8 66.1 25 70.3 78.7 71 30 76.3 83.5 75 35 79.3 86.3 77.8 40 81.1 87.5 80.3 45 82.8 88.8 82.4 50 83.9 89.9 83.9 55 85.1 91 85.2 60 86 91.5 86.1 65 86.5 92 86.8 70 86.9 92.5 87.5 75 92 27 87 92.9 88.1
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