INSTRUCTIONS: Solve theproblems neatly and systematically. Use free-floating decimals in all your calculations and in expressing your answers. Box your final answers KINDLY FOLLOW THIS FORMAT GIVE,REQUIRED,SOLUTION ADDITIONAL: USE THE OTHER PICTURE AS BASIS FORMULA IF NEEDED IN YOUR SOLUTION THANK YOU NPS versus DNPipes are identified by "nominal" or "trade" names that are loosely related to the actualdimensions. For instance, a 2-inch galvanized steel pipe has an inside diameter of about 21/8 inches and an outside diameter of about 2 5/8 inches.In plumbing pipe size is referred to as nominal pipe size - NPS, or "Nominal Pipe Size". Themetric equivalent is called DN or "diametre nominel". The metric designations conform toInternational Organization for Standardization (ISO) usage and apply to all plumbing,natural gas, heating oil, and miscellaneous piping used in buildings.Based on the NPS and schedule of a pipe, the pipe outside diameter (OD) and wallthickness can be obtained from reference tables such as those above, which are basedon ASME standards B36.10M and B36.19M.For example, NPS 14 Sch 40 has an OD of 14 inches and a wall thickness of 0.437 inches.However the NPS and OD values are not always equal, which can create confusion.1) For NPS % to 12, the NPS and OD values are different. For example, the OD of an NPSS12 pipe is actually 12.75 inches. To find the actual OD for each NPS value, refer tothe tables below.2) For NPS 14 and up, the NPS and OD values are equal. In other words, an NPS 14 pipeis actually 14 inches OD.DiameterNominalNominal Pipe SizeNPS(inches)1 1/41 1/2NominalDiameterNominal Pipe SizeNPSDiameterNominalDNNominalPipe SizeNPS(inches)DNDN(mm)(inches)(mm)(mm)10-78TRANSPORT AND STORAGE OF FLUIDS61/83210081/4401506103/8502008TABLE 10-22 Properties of Steel Pipe151/2652 1/225010Circumference,ft, or surface,ft/ft of length30012Capacity at 1-ft/svelocityU.S. gal/203/4803100435014Cross-sectional area25Weight ofplain-endpipe, Ib/ft1Wallthickness,NominalOutsideInsideMetal,in?diameter,Schedulediameter,pipesize, ininininFlow, ftOutsideInsideminIb/h waterno.0.3070.055.072.0930.4050.00051.00040.000250.106.106.1060.0804.0705.05630.231.179.113115.589.556.510S0.0490.1940ST, 40S80XS, 80S.068.095.269.215.24.31.00092.00072.107.095.079206.5161.5112.01/40.54010S40ST, 40S80XS, 80S.065.088.097.125.157.141.141.412.323.22433.42.410.364.302.119.00050.141.5410S40ST, 40S80XS, 80S.125.167.217363.5298.0220.00.675.545.493.423.177.727.065.091.126.00162.00133.00098.177.177.143.129.111.4257.74.596440.065.083.109.1471.2341.1120.9450.7300.5270.155.710.674220.186.176.163.143.122.066617.0556.0472.0365.0263.577.51/2.00275.00248.00211.00163.00117.000350.8405S.158.54.67.197.250.320385.504220.220.220.220.22010S.622.54640ST, 40S80XS, 80S160XX.851.09.188294.4641.311.712522.0721.9031036.0951.5832.5672.5458.5230.5341.0505S10S40ST, 40S80XS, 80S160XX.065.083.113.154.219.308.920.884.824742.612.434.201.252.333.433.572.718.00461.00426.275.275.275.275.275.275.241.231.216.194.160.1140.690.86.00371,00300.00204.001031.131.471.942.441.6651.3450.9170.461.00768.00656.00600.00499.003621725147313451120812.5439.011.3155S10S40ST, 40S80XS, 80S160XX.065.109.133.179.250.3581.1851.097.255.413.344.344.344.344.344.344.310.287.275.250.213.1573.4492.9462.6902.2401.6250.8780.871.401.682.172.843.661.049.4940.9570.815.639.8361.0760.599.00196 2) The internal diameter of a pipe is doubled. What is the factor of pressure loss due to frictionper unit length of a pipe for same flowrate?

Given: Internal pipe diameter is doubled Factor of pressure loss due to friction per unit length of…

Answered: 2) The internal diameter of a pipe is…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Related questions

Question

100%

INSTRUCTIONS: Solve theproblems neatly and systematically. Use free-floating decimals in all your calculations and in expressing your answers. Box your final answers

KINDLY FOLLOW THIS FORMAT GIVE,REQUIRED,SOLUTION

ADDITIONAL: USE THE OTHER PICTURE AS BASIS FORMULA IF NEEDED IN YOUR SOLUTION THANK YOU

NPS versus DN
Pipes are identified by "nominal" or "trade" names that are loosely related to the actual
dimensions. For instance, a 2-inch galvanized steel pipe has an inside diameter of about 2
1/8 inches and an outside diameter of about 2 5/8 inches.
In plumbing pipe size is referred to as nominal pipe size - NPS, or "Nominal Pipe Size". The
metric equivalent is called DN or "diametre nominel". The metric designations conform to
International Organization for Standardization (ISO) usage and apply to all plumbing,
natural gas, heating oil, and miscellaneous piping used in buildings.
Based on the NPS and schedule of a pipe, the pipe outside diameter (OD) and wall
thickness can be obtained from reference tables such as those above, which are based
on ASME standards B36.10M and B36.19M.
For example, NPS 14 Sch 40 has an OD of 14 inches and a wall thickness of 0.437 inches.
However the NPS and OD values are not always equal, which can create confusion.
1) For NPS % to 12, the NPS and OD values are different. For example, the OD of an NPSS
12 pipe is actually 12.75 inches. To find the actual OD for each NPS value, refer to
the tables below.
2) For NPS 14 and up, the NPS and OD values are equal. In other words, an NPS 14 pipe
is actually 14 inches OD.
Diameter
Nominal
Nominal Pipe Size
NPS
(inches)
1 1/4
1 1/2
Nominal
Diameter
Nominal Pipe Size
NPS
Diameter
Nominal
DN
Nominal
Pipe Size
NPS
(inches)
DN
DN
(mm)
(inches)
(mm)
(mm)
10-78
TRANSPORT AND STORAGE OF FLUIDS
6
1/8
32
100
8
1/4
40
150
6
10
3/8
50
200
8
TABLE 10-22 Properties of Steel Pipe
15
1/2
65
2 1/2
250
10
Circumference,
ft, or surface,
ft/ft of length
300
12
Capacity at 1-ft/s
velocity
U.S. gal/
20
3/4
80
3
100
4
350
14
Cross-sectional area
25
Weight of
plain-end
pipe, Ib/ft
1
Wall
thickness,
Nominal
Outside
Inside
Metal,
in?
diameter,
Schedule
diameter,
pipe
size, in
in
in
in
Flow, ft
Outside
Inside
min
Ib/h water
no.
0.307
0.055
.072
.093
0.405
0.00051
.00040
.00025
0.106
.106
.106
0.0804
.0705
.0563
0.231
.179
.113
115.5
89.5
56.5
10S
0.049
0.19
40ST, 40S
80XS, 80S
.068
.095
.269
.215
.24
.31
.00092
.00072
.107
.095
.079
206.5
161.5
112.0
1/4
0.540
10S
40ST, 40S
80XS, 80S
.065
.088
.097
.125
.157
.141
.141
.412
.323
.224
33
.42
.410
.364
.302
.119
.00050
.141
.54
10S
40ST, 40S
80XS, 80S
.125
.167
.217
363.5
298.0
220.0
0.675
.545
.493
.423
.177
.727
.065
.091
.126
.00162
.00133
.00098
.177
.177
.143
.129
.111
.42
57
.74
.596
440
.065
.083
.109
.147
1.234
1.112
0.945
0.730
0.527
0.155
.710
.674
220
.186
.176
.163
.143
.122
.066
617.0
556.0
472.0
365.0
263.5
77.5
1/2
.00275
.00248
.00211
.00163
.00117
.00035
0.840
5S
.158
.54
.67
.197
.250
.320
385
.504
220
.220
.220
.220
.220
10S
.622
.546
40ST, 40S
80XS, 80S
160
XX
.85
1.09
.188
294
.464
1.31
1.71
252
2.072
1.903
1036.0
951.5
832.5
672.5
458.5
230.5
34
1.050
5S
10S
40ST, 40S
80XS, 80S
160
XX
.065
.083
.113
.154
.219
.308
.920
.884
.824
742
.612
.434
.201
.252
.333
.433
.572
.718
.00461
.00426
.275
.275
.275
.275
.275
.275
.241
.231
.216
.194
.160
.114
0.69
0.86
.00371
,00300
.00204
.00103
1.13
1.47
1.94
2.44
1.665
1.345
0.917
0.461
.00768
.00656
.00600
.00499
.00362
1725
1473
1345
1120
812.5
439.0
1
1.315
5S
10S
40ST, 40S
80XS, 80S
160
XX
.065
.109
.133
.179
.250
.358
1.185
1.097
.255
.413
.344
.344
.344
.344
.344
.344
.310
.287
.275
.250
.213
.157
3.449
2.946
2.690
2.240
1.625
0.878
0.87
1.40
1.68
2.17
2.84
3.66
1.049
.494
0.957
0.815
.639
.836
1.076
0.599
.00196

2) The internal diameter of a pipe is doubled. What is the factor of pressure loss due to friction
per unit length of a pipe for same flowrate?

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2) The internal diameter of a pipe is doubled. What is the factor of pressure loss due to friction per unit length of a pipe for same flowrate?