Chemical Engineering » Heat Transfer

Focus on Heating and Cooling Systems

Chemical Engineering — Thu, 01 Jun 2017 04:00:00 +0000

Guard against gasket wear in plate heat exchangers Gaskets used in plate heat exchangers (photo) wear over time, due to natural aging, and the effect of temperature, pressure and stress that results from

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Special Flange Joints Used in Floating-Head Shell-and-Tube Heat Exchangers

Chemical Engineering — Wed, 01 Feb 2017 00:00:00 +0000

Single-pass, floating-head heat exchangers are common in certain process operations, but they often use flange joints that are not covered in existing design codes. Design details, advantages and disadvantages

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Heat Exchanger Standards for Shell-and-Tube Equipment

Chemical Engineering — Wed, 01 Feb 2017 00:00:00 +0000

Reliable operation of shell-and-tube heat exchangers begins with an appropriate standard. This article provides an overview of those that are applicable Shell-and-tube heat exchangers are the backbone of the

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Heat Transfer in Wiped Film Evaporators

Chemical Engineering — Tue, 01 Nov 2016 00:00:00 +0000

Simulations demonstrate the complex, changing properties of materials within the evaporator. Such information can help in both designing and selecting the proper evaporator A wiped film or agitated thin-film

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New Ways to Deal With Old Heat-Transfer Issues

Chemical Engineering — Wed, 01 Jun 2016 00:00:00 +0000

Chemical processors are no strangers to heat exchanger problems, such as corrosion, fouling and thermal expansion, which interfere with reliability of the units and adversely affect process uptime. Because

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Insulating Heat-Transfer-Fluid Piping

Chemical Engineering — Sun, 01 May 2016 00:00:00 +0000

Department Editor: Scott Jenkins Heat-transfer-fluid (HTF) system piping is insulated to reduce heat loss and prevent worker contact with hot surfaces. Insulated piping minimizes the effects of changes in

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Bio-based heat-transfer fluid for solar-thermal applications

Chemical Engineering — Fri, 01 Apr 2016 00:00:00 +0000

A recently introduced heat-transfer fluid is made from corn sugar, rather than from petroleum. Known as So-Blu, the fluid was developed through a joint effort of Dupont Tate & Lyle BioProducts (Loudon

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This gas-standard generator allows for automatic control

Chemical Engineering — Tue, 01 Mar 2016 00:00:00 +0000

The 491Flex Calibration Gas Standards Generator (photo) is an update of the 491M manual system, retaining the modular construction and expandability of the previous model, but replacing the analog

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Shell-and-Tube Heat Exchangers: The Design Cycle

Chemical Engineering — Tue, 01 Mar 2016 00:00:00 +0000

Saheli Bhattacharyya and Siddhartha Mukherjee Air Liquide Global E&C Solutions India Shell-and-tube heat exchangers are among the most commonly used equipment in the chemical process industries (CPI)

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Superheater Problems in Steam Generators

Chemical Engineering — Mon, 01 Feb 2016 00:00:00 +0000

Viswanathan Ganapathy Boiler Consultant Oil- and gas-fired package steam generators (or boilers; Figure 1) are used in chemical plants, power plants, petroleum refineries and in cogeneration plants to generate

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