1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
{
"metadata": {
"name": "DimensionsSystemUnits"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "Dimensions and systems of units"
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Ex.1.1"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# Ex1.1 pageno 12\npg=40 #negative pressure\npatom=47.2 #atom pressure\npa=patom-pg #absolute pressure of 6000\nprint \" pa = \",round(pa,1), \"kPa\" ",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": " pa = 7.2 kPa\n"
}
],
"prompt_number": 8
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Ex 1.2"
},
{
"cell_type": "code",
"collapsed": false,
"input": "#Ex 1.2 pageno 13\nsigma=0.073 #N/m\nga= 9800 #density\nD= 2*10**-3\nh=(4*sigma)/(ga*D)*10**3\nprint '%s % 2g' %(\"\\n h(meter)= \",h), \"mm\"",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "\n h(meter)= 14.898 mm\n"
}
],
"prompt_number": 94
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Ex 1.3"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# Ex 1.3 pageno 13 \n# from table given in textbook\nimport math\nz=10000 #meter\nT=223.3 #kelvin\nr=287\nk=1.4\nc=math.sqrt(k*r*T)\nprint \" velocity of sound C= \",round(c,1), \"m/s\" \nv=(800*1000) # given speed of aircraft flies 800 km/hr\nt=3600\nspeed= v/t\nprint '%s %.1f %s' %(\"speed of aircraft v= \",speed,\"m/s\" )\nm=speed/c\nprint '%s %.2f'%(\"mach number of aircraft M= \",m)",
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": "*"
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "EX 1.4"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# pageno 13\ns=0.91 #specific gravity of water\nd=1000 #density of water\np=s*d # fluid density of water\nprint \"fluid density\",p,\"kg/m3\"\nd1=25*10**-3\nv1=2.6\nmu=0.38\nre=(p*d1*v1)/mu\nprint '%s %.1f' %(\"Reynolds number Re is \",re)",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "fluid density 910.0 kg/m3\nReynolds number Re is 155.7\n"
}
],
"prompt_number": 50
},
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "Ex 1.5"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# page no 14\nb=3 #pressure bar of gauge\nv2=101.3 #conversion value \nap=(b*v2)+(v2) # absolute pressure in the tank in kpa\nprint '%s %.1f %s' %(\"Absolute pressure in the tank in kpa =\",ap,\"kPa\")\np=ap*10**3\nR=287 # R Radius of Surface tension\nT=288 # Temperature in kelvin\np1=p/(R*T)\nprint '%s %.1f %s' %(\"density p= \",p1,\"Kg/m3\")\nv=0.85 # volume of airtank in m3\ng= 9.8 # gravational force \nw=p1*v*g\nprint '%s %.2f %s'%(\"Weight of air W = pvg= \",w,\"Kg\")",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Absolute pressure in the tank in kpa = 405.2 kPa\ndensity p= 4.9 Kg/m3\nWeight of air W = pvg= 40.84 Kg\n"
}
],
"prompt_number": 57
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Ex 1.6"
},
{
"cell_type": "code",
"collapsed": false,
"input": "#page no 14 \nR=1*10**-3 # radius in meter\nsigma1=72.7*10**-3 # N/M\nE=(2*sigma1)/R\nprint '%s %.1f %s' %(\" Excess pressure p= \",E,\"N/m2\")",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": " Excess pressure p= 145.4 N/m2\n"
}
],
"prompt_number": 61
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Ex 1.7\n"
},
{
"cell_type": "code",
"collapsed": false,
"input": "#page no 15\n# derivation of equation by substuting so no calculations \nprint \"shear stress t=-BD/4\"\nprint \" Also at position r=D/4;t=-BD/8\"",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "shear stress t=-BD/4\n Also at position r=D/4;t=-BD/8\n"
}
],
"prompt_number": 63
},
{
"cell_type": "code",
"collapsed": false,
"input": "",
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}
|
