Heat Exchange : free online Process Engineering Handbook

Process Engineer's Tools has selected here all the key knowledge Engineers working with heat exchange and heat exchangers need to solve industrial problems or simply get a handy reminder when required. Bookmark the page for future reference !

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HEAT TRANSFER

Heat conduction through walls

Understand and calculate heat conduction for efficient building and heat exchanger design. Learn how materials conduct heat, impacting energy efficiency. Discover the basics, analyze efficiency through heat flux, and explore strategies like variable speed drives. Master the calculations for heat conduction through walls and composite walls. Use the provided Excel calculator for practical applications. Improve your understanding of heat conduction for enhanced insulation and energy savings.

Heat conduction through pipes

This webpage provides a comprehensive overview of heat conduction through pipes, covering both simple and composite pipes. It delves into the underlying principles, introduces relevant formulas, and presents practical examples to illustrate the concepts. Additionally, a free Excel calculator is offered to facilitate heat conduction calculations. Whether you're an engineer designing heat exchangers or a homeowner seeking energy efficiency, this webpage serves as a valuable resource.

Wall temperature profile calculation

This webpage provides a comprehensive guide to calculating temperature profiles for walls subjected to convection on both sides. It outlines a step-by-step procedure, accompanied by a practical example, and emphasizes the applicability of this method in various contexts, such as hot wall insulation and condensation prevention. Additionally, an Excel sheet is provided for customized calculations.

Overall heat transfer coefficient conduction + convection

Learn about the overall heat transfer coefficient, a key factor in heat transfer involving both conduction and convection. Discover its role in various applications like walls and pipes. Understand the calculations for a plane wall, considering materials and thickness. Apply the principles to cylindrical walls, especially pipes, with insights into convection coefficients and geometry. Factor in fouling resistance for real-world scenarios. Grasp the equations for efficient heat transfer, whether in walls or pipes, enhancing your understanding of this critical engineering concept.

Heat flow rate calculation

This webpage provides a straightforward method for calculating the heat required to change the state of a substance. It introduces the concept of enthalpy and demonstrates its application in calculating heat transfer for both with and without phase change scenarios. Additionally, it emphasizes the importance of reference states for enthalpy values and the distinction between specific heat at constant pressure and constant volume.

Tank heating time

Discover a practical guide for calculating the time needed to heat or cool a tank with an internal heating coil. Whether you're designing or operating tanks, this page breaks down the process into simple steps. Gather design data and process parameters, then apply the heat transfer equation. The assumptions and formulas provided make it easy to estimate heating and cooling times. Follow a step-by-step example to enhance your understanding. Access a free Excel calculator for quick calculations, ensuring efficient tank operations.

Shell-Tube Heat Exchanger Design

LMTD calculation

Learn about the Logarithmic Mean Temperature Difference (LMTD) and its significance in heat exchanger analysis. The page introduces the LMTD calculation formula, emphasizing its application in co-axial heat exchangers. Explore temperature profiles for both counter-current and co-current scenarios. An example illustrates LMTD calculation for a counter-current heat exchanger. Additionally, discover the correction factor (F) for cases where heat exchangers exhibit a combination of co-current and counter-current flow. Practical insights and abacus-based correction methods are provided for a comprehensive understanding.

Transfer coefficient on the shell side

The webpage provides a comprehensive guide on the flow pattern and heat transfer in a shell-tube heat exchanger using the Bell-Delaware method. It explains the complexity of fluid flow on the shell side, detailing the five components of the model. The page further elaborates on the calculation of the actual heat exchange coefficient from the ideal one, introducing correction factors for various aspects. It also offers a step-by-step method to calculate the ideal cross-flow heat transfer coefficient, including the determination of the Reynolds number and the coefficient 'J'.

Transfer coefficient on the tube side

Explore the intricacies of pressure drop analysis in shell-and-tube heat exchangers. Learn how to calculate the total pressure drop on the tube side, encompassing components like inlet and outlet nozzle pressure drops, tube pressure drop, and return cover pressure drop. Delve into the Bell Delaware method for determining tube pressure drop, including factors like friction, fluid velocity, and correction for non-isothermal flow. Gain insights into calculating pressure drop in inlet and return nozzles, considering fluid density and velocity. Additionally, grasp the computation of return cover pressure drop, influenced by fluid velocity and the number of tube passes.

Calculation of correction coefficients for shell side heat transfer (Bell Delaware)

Explore the intricacies of the Bell-Delaware method for calculating heat transfer coefficients in Shell-Tube heat exchangers. This comprehensive guide provides detailed explanations on how to calculate each correction coefficient, including factors for baffle cut, baffle leakage effects, bundle bypass flow, and laminar flow. You'll also find helpful diagrams and calculations for determining leakage areas and correction factors. The page even addresses the impact of sealing strips on bundle bypass.

Pressure drop on the shell side

Unlock the intricacies of pressure drop analysis on the shell side of a shell-and-tube heat exchanger. Discover the components contributing to total pressure drop, including inlet and outlet nozzle pressure drops and the complex shell pressure drop. Delve into the Bell Delaware method, unraveling factors like baffles, cross-flow, and correction factors. Gain insights into calculating pressure drop in the shell, considering laminar and turbulent flow conditions. Explore the Reynolds number calculation and its role in understanding mass flow and tube characteristics. Connect with us on Twitter or reach out at contact@myengineeringtools.com for questions or remarks.

Pressure drop calculation on the tubes side

Explore the dynamics of pressure drop in the tubes of a shell-and-tube heat exchanger. Uncover the intricacies of calculating total pressure drop, including factors like inlet and outlet nozzle pressure drops, tube pressure drops, and return cover pressure drops. Dive into the Bell Delaware method, demystifying parameters like friction factor and fluid velocity. Gain practical insights into calculating length of flow, correction factors for non-isothermal flow, and pressure drops in inlet, outlet nozzles, and return covers.

Plate Heat Exchanger Design

Plate Heat Exchangers design : calculation method

Discover the essentials of designing plate heat exchangers with our comprehensive calculation method. Whether you're creating a new design or validating an existing one, follow the step-by-step procedure. Understand the unique characteristics of plate and frame heat exchangers, including their high heat exchange coefficients and compact designs. Dive into our Plate Heat Exchanger Excel calculator for practical sizing. Access the Plate Heat Exchanger calculator Excel for a hands-on approach to sizing and optimizing your heat exchanger design.

Plate Heat Exchangers design : Pressure drop calculation

Explore the world of plate heat exchangers and grasp the significance of pressure drop in these efficient heat exchange devices. Learn the simplified method to estimate pressure drop and understand its critical role in the design. Follow the step-by-step calculation procedure, including insights into pressure drop between plates and in the inlet/outlet collectors. For practical application, access our Plate Heat Exchanger calculator Excel. Utilize this tool to calculate pressure drop accurately, ensuring your heat exchanger design meets the required criteria.

Essential Design Characteristics of Plate Heat Exchangers

Explore the fundamental design parameters, performance capabilities, and limitations of plate heat exchangers. MyEngineeringTools.com provides insights to help you evaluate, understand, and potentially incorporate plate heat exchangers into your industrial processes

Condenser

Condenser design : calculation method

Learn about condensers and their crucial role in diverse industries. Explore their design process step-by-step, from gathering fluid properties to calculating heat flux. Understand the impact of factors like temperature, pressure, and allowable pressure drop. Access a free Excel tool for precise shell-tube condenser sizing, ensuring efficient heat exchange. Dive into the intricacies, but remember, detailed designs demand collaboration with specialized professionals. Optimize your condenser for cost-effectiveness and compactness using the insights gained.