SIMPLIFIED FORMULAS FOR EXTERNAL PRESSURE DESIGN

William M. Kirkland; Christopher R. Bett

doi:10.1115/PVP2022-78354

SIMPLIFIED FORMULAS FOR EXTERNAL PRESSURE DESIGN

William M. Kirkland, Christopher R. Bett

Radioisotope Infrastructure Development

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Design of vessels for external pressure currently requires a chart-based solution or analytical approaches which are not necessarily intuitive. In this paper, we propose simple formulas for the external pressure evaluation of pipes and other cylindrical pressure vessels. We present a conceptual comparison between the elastic and elastic-plastic stability of structural columns and that of cylindrical vessels of long, intermediate, and short length. Their common features allow an accurate and straightforward approach for external pressure design. The approach is also extended to spherical caps, conical vessels, and formed heads. We compare the method presented to the current acceptance criteria from various design codes, including the ASME Boiler and Pressure Vessel Code Section VIII, Code Case 2286, and EN 13445-3, as well as codes for steel and aluminum structures. In further discussion, the simplified method is compared against the results of more than 500 experiments on the buckling of cylindrical and spherical vessels published over the past two centuries. This simple but accurate approximation is conceptually intuitive, analytically straightforward, and shows potential utility in pressure vessel design codes, as well as piping design codes such as B31 that currently reference ASME VIII for external pressure design.

Original language	English
Title of host publication	Computer Technology and Bolted Joints; Design and Analysis
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791886151
DOIs	https://doi.org/10.1115/PVP2022-78354
State	Published - 2022
Event	ASME 2022 Pressure Vessels and Piping Conference, PVP 2022 - Las Vegas, United States Duration: Jul 17 2022 → Jul 22 2022

Publication series

Name	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume	2
ISSN (Print)	0277-027X

Conference

Conference	ASME 2022 Pressure Vessels and Piping Conference, PVP 2022
Country/Territory	United States
City	Las Vegas
Period	07/17/22 → 07/22/22

Funding

1This manuscript has been authored in part by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The publisher acknowledges the US government license to provide public access under the DOE Public Access Plan (http://energy.gov/downloads/ doe-public-access-plan). Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the US Department of Energy under Contract No. DE-AC05-00OR22725. This manuscript has been authored in part by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The publisher acknowledges the US government license to provide public access under the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). For helpful reviews, discussions, support, and encouragement, the authors would like to thank Robert Bett, George Sanders, Phil Buchanan, Chad Chavis, Christopher Crawford, Bruce Bates, and Danny Schappel. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the US Department of Energy under Contract No. DEAC05-00OR22725.

Funders	Funder number
DOE Public Access Plan
U.S. Department of Energy	DE-AC05-00OR22725
Oak Ridge National Laboratory	DEAC05-00OR22725

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10.1115/PVP2022-78354

Cite this

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title = "SIMPLIFIED FORMULAS FOR EXTERNAL PRESSURE DESIGN",

abstract = "Design of vessels for external pressure currently requires a chart-based solution or analytical approaches which are not necessarily intuitive. In this paper, we propose simple formulas for the external pressure evaluation of pipes and other cylindrical pressure vessels. We present a conceptual comparison between the elastic and elastic-plastic stability of structural columns and that of cylindrical vessels of long, intermediate, and short length. Their common features allow an accurate and straightforward approach for external pressure design. The approach is also extended to spherical caps, conical vessels, and formed heads. We compare the method presented to the current acceptance criteria from various design codes, including the ASME Boiler and Pressure Vessel Code Section VIII, Code Case 2286, and EN 13445-3, as well as codes for steel and aluminum structures. In further discussion, the simplified method is compared against the results of more than 500 experiments on the buckling of cylindrical and spherical vessels published over the past two centuries. This simple but accurate approximation is conceptually intuitive, analytically straightforward, and shows potential utility in pressure vessel design codes, as well as piping design codes such as B31 that currently reference ASME VIII for external pressure design.",

author = "Kirkland, {William M.} and Bett, {Christopher R.}",

note = "Publisher Copyright: Copyright {\textcopyright} 2022 by ASME.; ASME 2022 Pressure Vessels and Piping Conference, PVP 2022 ; Conference date: 17-07-2022 Through 22-07-2022",

year = "2022",

doi = "10.1115/PVP2022-78354",

language = "English",

series = "American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP",

publisher = "American Society of Mechanical Engineers (ASME)",

booktitle = "Computer Technology and Bolted Joints; Design and Analysis",

}

Kirkland, WM & Bett, CR 2022, SIMPLIFIED FORMULAS FOR EXTERNAL PRESSURE DESIGN. in Computer Technology and Bolted Joints; Design and Analysis., V002T03A025, American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, vol. 2, American Society of Mechanical Engineers (ASME), ASME 2022 Pressure Vessels and Piping Conference, PVP 2022, Las Vegas, United States, 07/17/22. https://doi.org/10.1115/PVP2022-78354

SIMPLIFIED FORMULAS FOR EXTERNAL PRESSURE DESIGN. / Kirkland, William M.; Bett, Christopher R.
Computer Technology and Bolted Joints; Design and Analysis. American Society of Mechanical Engineers (ASME), 2022. V002T03A025 (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - Design of vessels for external pressure currently requires a chart-based solution or analytical approaches which are not necessarily intuitive. In this paper, we propose simple formulas for the external pressure evaluation of pipes and other cylindrical pressure vessels. We present a conceptual comparison between the elastic and elastic-plastic stability of structural columns and that of cylindrical vessels of long, intermediate, and short length. Their common features allow an accurate and straightforward approach for external pressure design. The approach is also extended to spherical caps, conical vessels, and formed heads. We compare the method presented to the current acceptance criteria from various design codes, including the ASME Boiler and Pressure Vessel Code Section VIII, Code Case 2286, and EN 13445-3, as well as codes for steel and aluminum structures. In further discussion, the simplified method is compared against the results of more than 500 experiments on the buckling of cylindrical and spherical vessels published over the past two centuries. This simple but accurate approximation is conceptually intuitive, analytically straightforward, and shows potential utility in pressure vessel design codes, as well as piping design codes such as B31 that currently reference ASME VIII for external pressure design.

AB - Design of vessels for external pressure currently requires a chart-based solution or analytical approaches which are not necessarily intuitive. In this paper, we propose simple formulas for the external pressure evaluation of pipes and other cylindrical pressure vessels. We present a conceptual comparison between the elastic and elastic-plastic stability of structural columns and that of cylindrical vessels of long, intermediate, and short length. Their common features allow an accurate and straightforward approach for external pressure design. The approach is also extended to spherical caps, conical vessels, and formed heads. We compare the method presented to the current acceptance criteria from various design codes, including the ASME Boiler and Pressure Vessel Code Section VIII, Code Case 2286, and EN 13445-3, as well as codes for steel and aluminum structures. In further discussion, the simplified method is compared against the results of more than 500 experiments on the buckling of cylindrical and spherical vessels published over the past two centuries. This simple but accurate approximation is conceptually intuitive, analytically straightforward, and shows potential utility in pressure vessel design codes, as well as piping design codes such as B31 that currently reference ASME VIII for external pressure design.

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SIMPLIFIED FORMULAS FOR EXTERNAL PRESSURE DESIGN

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