Tag: HEAT EXCHANGER DESIGN

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Training case study: Vibration concern in U-tube reactor effluent cooler—beyond initial screening

September 08, 2025

Andy Mountford, Senior Technical Lead, Training Peter Joosten, Manager, Technical Support In this case study, a TEMA DEU heat exchanger design must cool high pressure reactor effluent from 180 °C to 40 °C. The corrosive reactor gas is assigned to the tube side, with cooling water on the shell side. The...
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• XVIB
• XIST
• VIBRATION
• TUBE LAYOUT
• HEAT EXCHANGER DESIGN
• CASE STUDY

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Goodbye to bad vibes: A comparison of HTRI's tube vibration analysis tools (Part II)

July 07, 2025

Andy Mountford, Senior Technical Lead, Training Peter Joosten, Manager, Technical Support In a previous article, we reviewed the differences between the Xist® and Xvib® vibration analysis methods for straight-tube heat exchanger configurations. These differences are summarized in the table below. Straight-tube method Xist Xvib Vibration mechanisms analyzed Fluidelastic instability, vortex shedding,...
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• XVIB
• XIST
• VIBRATION
• TUBE LAYOUT
• HEAT EXCHANGER DESIGN

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RR-6 The Second Law Efficiency of Process Heat Exchangers

April 12, 2024

An efficiency is defined for process heat exchangers using the second law of thermodynamics. This parameter accounts for the unavoidable sources of irreversibility in a real heat exchanger—e.g., heat transfer over a finite temperature difference and flow friction. Its definition is based on the destruction of flow availability, which is a function of the...
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• THERMODYNAMICS
• THERMAL EFFICIENCY
• HEAT EXCHANGER DESIGN
• EFFECTIVENESS

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ASME UHX Fixed Tubesheet and Expansion Joint Analysis

June 07, 2023

Fixed tubesheet heat exchangers are often designed with expansion joints to handle the differential thermal growth between the tubes and the shell. Learn how to use Exchanger Optimizer 6.1.8 to specify operating metal temperatures and evaluate the cost impact of adding a flanged and flued or bellows expansion joint modify designs...
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• HEAT EXCHANGER DESIGN
• EXCHANGER OPTIMIZER
• ASME

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Assessing the Impact of Design Decisions in Exchanger Optimizer

August 17, 2022

Are you interested in finding the best solutions for your shell-and-tube and air-cooled heat exchangers? Focused on issues that EPCs, processors, and fabricators face when making design decisions, this webinar will discuss the importance of heat exchanger design and introduce software, Exchanger Optimizer, to help you evaluate the impacts of these...
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• HEAT EXCHANGER DESIGN
• EXCHANGER OPTIMIZER

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TT-27 Modeling air-cooled heat exchangers with redundant fans

April 14, 2019

Component: Xace Date posted: 15 April 2019 Last updated: 9 April 2025   Air-cooled heat exchangers are typically designed for operation with all fans on. A bay with two, three, or four operating fans is commonly identified as 2×50%, 3×33%, or 4×25% fans, indicating that each operating fan supplies 50%, 33%,...
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• AIR COOLED
• HEAT EXCHANGER DESIGN
• TECHTIP
• XACE

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