Heat Exchanger Design Articles & Analysis

AHED (Advanced Heat Exchanger Design) is a powerful design tool for the calculation of one of the most used items of process equipment: shell and tube and heat exchangers (STHE’s). STHE’s are used in widespread process industries including Chemical, Oil & Gas, Wastewater, Food, Pharmaceutical & Automotive. The design of STHE’s is fundamental for a process installation ...

By HRS Heat Exchangers Ltd.

In the present work, an improved Entropy Generation Minimisation (EGM) approach aiming at minimising the revised entropy generation number which is the non-dimensionalised entropy by the ratio of heat flow to the input temperature of the cold fluid is developed for a plate-fin heat exchanger design with multiple design variables with the help of genetic algorithm. It is found that the approach ...

By Inderscience Publishers

1. The heat transfer coefficient of plate heat exchanger is higher than that of other heat exchangers. When designing plate heat exchangers, some special corrugates are designed on the plates. Never underestimate the role of these corrugates. They can make the fluid flow with strong turbulence at very low flow rates. The self-purification effect of turbulence can prevent fouling. The heat ...

By Shanghai Accessen Group Co., Ltd.

HRS Heat Exchangers’ Cameron Creech, General Manager for HRS North America, explains why the HRS R Series is a better option than traditional single tube scraped surface heat exchangers. The R Series Scraped Surface Heat Exchangers have been designed to maximise energy and product recovery, reduce footprint and be cost effective to maintain. For highly viscous products, the RHD Series is a ...

By HRS Heat Exchangers Ltd.

This material aims to give an overview of the fundaments of Pinch Technology. You will learn: • How to obtain energy targets by the construction of composite curves.• The three rules of the pinch principle by which energy efficient heat exchanger network designs must abide.• About capital-energy trade off for new and retrofit designs.• The best way to make energy saving process modifications.• ...

By KBC A Yokogawa Company

Shell and tube heat exchangers are used for the flow of in-line heating and cooling. The innovative design allows the movement of fluids through the tubes and exterior shell delivering changeability. The movement of fluid can be run in a counterflow, cross flow, or parallel mode. The flow of the fluids can not be reversed, so the development of dirty pockets is then eliminated during the ...

By Fluorostore

This paper investigates how temperature changes affect the efficiency of thermal exergy transfer at near-environmental temperatures. Depending on the combinations of heat exchanger and environmental temperatures, different values of functional exergy efficiency can be obtained for the same heat transfer effectiveness. Some temperature combinations can lead to unexpected values of functional ...

By Inderscience Publishers

The Challenge Twisted tube designed heat exchangers are exceptionally difficult to clean. This particular fouling process is extra challenging due to the steam in the tube side which bakes the bitumen on to the shell side faster than other designs. This heat exchagner was brought to ABSOLUTE after a previous service provider was not successful in their attempt to clean it. When previously ...

By Absolute Throughput Solutions Inc.

This document aims to give an overview of the fundaments of Pinch Technology. The reader will learn: How to obtain energy targets by the construction of composite curves. The three rules of the pinch principle by which energy efficient heat exchanger network designs must abide. About the capital-energy trade off for new and retrofit designs. Of the best way to make energy saving process ...

By KBC A Yokogawa Company

A Generalised Mean Temperature Difference (GMTD) method instead of the Logarithmic Mean Temperature Difference (LMTD) method for heat exchangers is proposed. Unlike the LMTD method, the GMTD method allows the performance analysis of heat exchangers with distributed physical properties. GMTD is calculated by a new method to take fluid temperature profiles as a function of heat load. Mathematical ...

By Inderscience Publishers

This installation was Glosfume's first use of a new process designed to incorporate an innovative 'radiant heating tube' which allows fumes to cool prior to filter without the need for dilution air and/or a heat exchanger. This design has subsequently been successfully utilised on several similar rotary incinerator installations. The plant was the first to comply with strict Waste Incineration ...

By Glosfume

When operating in exceptionally challenging conditions, or handling difficult materials such as sewage and wastewater sludges, even the best designed heat exchangers will be susceptible to fouling. Understanding the different types of fouling and what causes them will help engineers and operators pick the best type of heat exchanger for their particular application and keep it running in optimum ...

By HRS Heat Exchangers Ltd.

All but the most basic heat exchangers are created to a bespoke brief, designed to take into account the material/s being heated or cooled, the heating or cooling medium, the amount of product being processed, product velocity, risk of fouling and a host of other factors. However, over the years some standard design types have emerged (as well as more specific types) and understanding the ...

By HRS Heat Exchangers Ltd.

Ensuring product safety is the number one priority for any producer of pharmaceutical products, and a key aspect of this is avoiding contamination during production. Design and construction plays a key role in achieving this, and the heat exchangers used for processes such as pasteurisation and sterilisation are no exception. There are three main elements to preventing contamination occurring in ...

By HRS Heat Exchangers Ltd.

Biogas/Heat-to-Power Application using a Dreyer & Bosse CHP power unit Location: Trechwitz, Germany Site Gross Power Output Range 500Kwe + 30-35kWe from Electratherm ORC Thermal Heat Input Range: ?375-450kWt Hot Water Input Range:? 90-95°C (118-203°F) Hot Water Flow Range:? 39 m3/hour (172 GPM) Ambient Temperature: 0-15°C (32-59°F) ElectraTherm installed its first ...

By Wolf Power Systems GmbH

We're continually inspired and excited by new innovations; in fact, we're always pursuing new applications and uses for our products and find that the rise of emerging industries like green technology holds limitless possibilities for innovators. Our work with fluoropolymers, which are known for their unique properties and exceptional versatility, makes us well-positioned to embrace new ...

By Fluorostore

A new ceramic particle CSP receiver soon to be tested in the U.S. could lower the cost of energy by up to 20% and accelerate industrial heat deployment through particle transport innovations, Reiner Buck, Head of Solar Tower Systems at German Aerospace Centre (DLR), told New Energy Update. Last month, the U.S. Department of Energy allocated $750,000 of funding to Sandia National Laboratories ...

By New Energy Update - Reuters Events

Overview A bread and bun bakery was faced with installing air pollution control equipment to control the volatile organic compounds (VOCs) emitted during their baking process. The local regulatory agency requires bakeries that generate over 25 tons of ethanol per year to reduce emissions by 95% by installing control devices on their ovens. The airstream that needed to be treated included ethanol ...

By Anguil Environmental Systems, Inc.

Overview A manufacturer of insulation films for the electronics industry needed to evaluate the capabilities of four existing oxidizers that treated emissions from its coating lines. The company was concerned that, due to oxidizer deficiencies, it would not meet regulatory requirements. The oxidizers had been manufactured by two different companies. One of them was no longer in business; the ...

By Anguil Environmental Systems, Inc.

With 40 years’ experience as a company, our engineers and sales staff have encountered a wide range of issues on sites. Here are ten of the most common mistakes that can occur as a result of poorly-specified or badly-installed heat exchanger systems – and how you can avoid ...

By HRS Heat Exchangers Ltd.