Lecture

Heat Exchangers: Fundamentals and Applications

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In course

ChE-204: Introduction to transport phenomena

This course aims at understanding the basic equations behind macroscopic and microscopic transport phenomena (mass, heat and momentum). ...

Description

This lecture covers the fundamentals of heat exchangers, focusing on conduction, convection, and Fourier's Law. It explains the linear temperature profiles, Newton's Law, and the role of heat transfer coefficients. The instructor discusses the design and operation of heat exchangers, emphasizing parallel and counter flow configurations. Additionally, the lecture delves into the concept of thermal resistances and the derivation of the log mean temperature. Practical examples and calculations are provided to illustrate the principles of heat exchangers.

Instructor

Raffaella Buonsanti

Teaching & PhD PhD Students Riya Gupta, Jennifer Calderon Mora, Coline Boulanger, Moritz Tritschler, Marco Fabbiano, Seyedmohamadjavad Chabok, Hugh Andrew Warkentin Past EPFL PhD Students Chethana Janardhana Gadiyar, Seryio Saris, Valeria Mantella, Seyedehbehnaz Varandili, Pranit Srinivas Iyengar, Yannick Thomas Guntern, Jan Vávra, Laia Castilla Amorós, Valery Okatenko, Ona Segura Lecina, Ludovic Emile Frédy Zaza, Petru Pasquale Albertini Courses Introduction to chemical engineering Laboratory Works

Official source

Related concepts (32)

Type system

In computer programming, a type system is a logical system comprising a set of rules that assigns a property called a type (for example, integer, floating point, string) to every "term" (a word, phrase, or other set of symbols). Usually the terms are various constructs of a computer program, such as variables, expressions, functions, or modules. A type system dictates the operations that can be performed on a term. For variables, the type system determines the allowed values of that term.

Type safety

In computer science, type safety and type soundness are the extent to which a programming language discourages or prevents type errors. Type safety is sometimes alternatively considered to be a property of facilities of a computer language; that is, some facilities are type-safe and their usage will not result in type errors, while other facilities in the same language may be type-unsafe and a program using them may encounter type errors.

Type theory

In mathematics, logic, and computer science, a type theory is the formal presentation of a specific type system, and in general, type theory is the academic study of type systems. Some type theories serve as alternatives to set theory as a foundation of mathematics. Two influential type theories that were proposed as foundations are Alonzo Church's typed λ-calculus and Per Martin-Löf's intuitionistic type theory. Most computerized proof-writing systems use a type theory for their foundation, a common one is Thierry Coquand's Calculus of Inductive Constructions.

Heat sink

A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature. In computers, heat sinks are used to cool CPUs, GPUs, and some chipsets and RAM modules.

Type inference

Type inference refers to the automatic detection of the type of an expression in a formal language. These include programming languages and mathematical type systems, but also natural languages in some branches of computer science and linguistics. Types in a most general view can be associated to a designated use suggesting and restricting the activities possible for an object of that type. Many nouns in language specify such uses. For instance, the word leash indicates a different use than the word line.

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