NDLI: Practical Considerations When Conducting a Transient Analysis of a Heat Exchanger Tube Rupture

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	David, R. Thornton Robert, A. Sadowski Philip, A. Henry
Copyright Year	2012
Abstract	As part of operations, petrochemical and process plants sometimes require the exchange of heat between a high pressure fluid and a lower pressure fluid in shell-and-tube heat exchangers. In most cases, the high pressure fluid exists on the tubeside and the lower pressure is on the shellside. While rare, it is possible for a tube inside the exchanger shell to rupture suddenly, releasing the high pressure fluid into the shellside. If the pressure of the high pressure fluid exceeds the design pressure of the low pressure shell or its attached piping, it might be possible for the resulting pressure in the low pressure side to exceed permitted values. In such cases, API 521 provides guidance on assuring that sufficient pressure relief is available to limit the pressures on the heat exchanger(s)’ low pressure side. An overpressure analysis per API 521 can include both steady-state and transient analysis methods for determining that the pressures remain within acceptable levels. In situations where a large pressure differential exists between the high and low pressure sides of the exchanger, the transient, hydraulic analysis of the tube rupture event can be used as a tool to help mitigate over pressure. After briefly discussing the analysis methodology, this paper discusses some of the practical considerations and decisions that normally go into conducting the analysis.
Sponsorship	Pressure Vessels and Piping Division
Starting Page	755
Ending Page	767
Page Count	13
File Format	PDF
ISBN	9780791855027
DOI	10.1115/PVP2012-78563
Volume Number	Volume 3: Design and Analysis
Conference Proceedings	ASME 2012 Pressure Vessels and Piping Conference
Language	English
Publisher Date	2012-07-15
Publisher Place	Toronto, Ontario, Canada
Access Restriction	Subscribed
Subject Keyword	American petroleum institute Rupture Shells Petrochemicals Heat exchangers Pressure Steady state Transients (dynamics) Design High pressure (physics) Fluids Heat Transient analysis Pipes
Content Type	Text
Resource Type	Article

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