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Any location that has 46 or more buildings intended for human occupancy or any area where the pipeline lies within 100 yards (91 meters) of a building or a small, well-defined outdoor area (such as a playground, recreation area, outdoor theater, or place of public assembly) that is occupied by 20 or
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The formula is also common in the pipeline industry to verify that pipe used for gathering, transmission, and distribution lines can safely withstand operating pressures. The design factor is multiplied by the resulting pressure which gives the maximum operating pressure (MAOP) for the pipeline. In
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The design of a complex pressure containment system involves much more than the application of Barlow's formula. For example, in 100 countries the
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more persons at least five days a week for 10 weeks in any 12-month period—weeks need not be consecutive
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An offshore area or any class location unit that has 10 or fewer buildings intended for human occupancy
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Any class location that has more than 10 but fewer than 46 buildings intended for human occupancy
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Any class location unit where buildings with four or more stories above the ground are prevalent
396:. IADC/SPE Drilling Conference and Exhibition. Fort Worth, Texas, USA. pp. SPE-189681-MS.
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the United States, this design factor is dependent on Class locations which are defined in
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Formula that relates characteristics of the pipe and internal pressure it can withstand
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Part 192. There are four class locations corresponding to four design factors:
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Or pressure vessel, or other cylindrical pressure containment structure.
33:(called "Kesselformel" in German) relates the internal pressure that a
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Adams, A.J.; Grundy, K.C.; Lin, B.; Moore, PW. (6 March 2018).
416:"2017 Boiler and Pressure Vessel Code: An International Code"
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This formula (DIN 2413) figures prominently in the design of
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The Barlow
Equation for Tubular Burst: A Muddled History
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stipulates the requirements for design and testing of
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93:{\displaystyle P={\frac {2\sigma _{\theta }s}{D}}}
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338:Barlow's Formula Calculator for Copper Tubes
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41:. This approximate formula is named after
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37:can withstand to its dimensions and the
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328:Barlow's Equation and Calculator
157:{\displaystyle \sigma _{\theta }}
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323:Barlow's Formula Calculator
524:Mathematical analysis stubs
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333:Barlow's Formula Solver
39:strength of its material
364:(in German), 2022-08-18
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208:{\displaystyle D}
186:{\displaystyle s}
128:{\displaystyle P}
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43:Peter Barlow
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260:Definition
518:Categories
368:2022-08-20
344:References
223:and other
221:autoclaves
445:9 October
424:9 October
166:allowable
150:θ
146:σ
77:θ
73:σ
164: :
105:Cylinder
265:factor
534:Piping
263:Design
257:Class
169:stress
112:where
469:This
419:(PDF)
310:0.40
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276:0.72
475:stub
447:2021
426:2021
35:pipe
398:doi
249:DOT
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270:1
203:D
181:s
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123:P
108:,
86:D
82:s
69:2
63:=
60:P
20:)
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