Heat Exchanger free essay sample

Toward the finish of these talks, you ought to have the option to: †¢ perceive various sorts of warmth exchangers, and arrange them, †¢ build up a familiarity with fouling on surfaces, and decide the general warmth move coefficient for a warmth exchanger, †¢ play out a general vitality examination on heat exchangers, †¢ acquire a connection for the logarithmic mean temperature distinction for use in the LMTD technique, and apply it for various kinds of warmth exchangers utilizing the revision factor, †¢ break down warmth exchangers when outlet temperatures are not known utilizing the viability NTU strategy, and †¢ know the essential contemplations in the determination of warmth exchangers. Prologue to Heat Exchangers ? A warmth exchanger is a gadget which encourages the exchange of warmth between two liquids one more sultry and the other colder. Models: Car radiator, cooler, forced air system. ? Two strategies for structure and rating of warmth exchangers: †Log Mean Temperature Difference (LMTD) †Effectiveness Number of Transfer Units (? †NTU) 3 Scope ? Warmth exchanger types ? By and large warmth move coefficient ? Warmth exchanger examination ? Logarithmic mean temperature contrast technique ? Viability NTU technique Read Chapter 11 of endorsed content, Cengel, Y. We will compose a custom paper test on Warmth Exchanger or on the other hand any comparable theme explicitly for you Don't WasteYour Time Recruit WRITER Just 13.90/page A. furthermore, Ghajar, A. J. Warmth and Mass Transfer: Fundamentals and Applications, fourth Edition (SI Units), McGraw-Hill, 2011. 4 Main Types of Heat Exchangers Double-pipe heat exchanger Cross-stream heat exchanger Shell-and-cylinder heat exchanger 5 Double-Pipe Heat Exchanger †¢ Also known as Concentric Tube Heat Exchanger †¢ Simplest structure. One liquid goes through a funnel and the subsequent liquid streams in the annulus encompassing the channel. Equal stream Counter stream 6 Double Pipe Hair-pin Heat Exchanger with Cross Section View and Return Bend (graciousness of Brown Fintube) 7 Made by uprooting the balances sideways at ordinary spans to create a crisscross impact. 14 Finned Tubes 15 Cross-Flow Heat Exchanger Source: Incropera et al. , 2007. 16 Shell-and-Tube Heat Exchanger (one-shell pass and one-tube pass) 17 Shell-and-Tube Heat Exchangers Multipass stream courses of action One-shell pass and two-tube passes Two-shell passes and four-tube passes 18 Shell-and-Tube Heat Exchanger as a Shell-Side Condenser.