Why Laminar Flow in Narrow Channels (Heat Transfer Analysis)

Slides:



Advertisements
Similar presentations
HEAT TRANSFER Final Review # 1.
Advertisements

Objectives Heat transfer Convection Radiation Fluid dynamics Review Bernoulli equation flow in pipes, ducts, pitot tube.
Convection.
Estimation of Convective Heat Transfer Coefficient
External Convection: Laminar Flat Plate
Computer Aided Thermal Fluid Analysis Lecture 10
Chapter 2: Overall Heat Transfer Coefficient
Internal Convection: Fully Developed Flow
Internal Flow: Heat Transfer Correlations
1 Dept. of Energy Technology, Div. of Applied Thermodynamics and Refrigeration Tube diameter influence on heat exchanger performance and design. Single.
Flow over an Obstruction MECH 523 Applied Computational Fluid Dynamics Presented by Srinivasan C Rasipuram.
Wind Chill Factor Regie Hyppolite and Justin Hyatt.
Design of Systems with INTERNAL CONVECTION P M V Subbarao Associate Professor Mechanical Engineering Department IIT Delhi An Essential Part of Exchanging.
Anoop Samant Yanyan Zhang Saptarshi Basu Andres Chaparro
Cooling of Chips in Circuit Boards. Problem One way to cool chips mounted on circuit boards is to encapsulate the boards in metal frames that provide.
CHE/ME 109 Heat Transfer in Electronics LECTURE 17 – INTERNAL FORCED CONVECTION FUNDAMENTALS.
CHE/ME 109 Heat Transfer in Electronics LECTURE 18 – FLOW IN TUBES.
CHE/ME 109 Heat Transfer in Electronics
Introduction to Convection: Flow and Thermal Considerations
Kern Method of SHELL-AND-TUBE HEAT EXCHANGER Analysis
Thermal Development of Internal Flows P M V Subbarao Associate Professor Mechanical Engineering Department IIT Delhi Concept for Precise Design ……
Correlations for INTERNAL CONVECTION P M V Subbarao Associate Professor Mechanical Engineering Department IIT Delhi An Essential Part of Exchanging Heat……..
Recent Advances in Condensation on Tube Banks P M V Subbarao Professor Mechanical Engineering Department I I T Delhi Reduce the Degree of Over Design!!!
Heat Transfer and Fluid Flow Over a Flat Plate MANE 4020 Fall 2005.
Flow and Thermal Considerations
External Flow: The Flat Plate in Parallel Flow
Momentum Heat Mass Transfer
Introduction to Convection: Flow and Thermal Considerations
Boundary Layer and separation Flow accelerates Flow decelerates Constant flow Flow reversal free shear layer highly unstable Separation point.
1 CHAPTER 6 HEAT TRANSFER IN CHANNEL FLOW 6.1 Introduction (1) Laminar vs. turbulent flow transition Reynolds number is where  D tube diameter  u mean.
Condensation and Boiling Heat Transfer Source: Vishwas V. Wadekar, HTFS, Aspen Technology J.P. Holman boiling, condensation : high heat transfer rates.
Lesson 13 CONVECTION HEAT TRANSFER Given the formula for heat transfer and the operating conditions of the system, CALCULATE the rate of heat transfer.
Chapter 6 Introduction to Forced Convection:
CHAPTER 3 EXACT ONE-DIMENSIONAL SOLUTIONS 3.1 Introduction  Temperature solution depends on velocity  Velocity is governed by non-linear Navier-Stokes.
Optimization Of a Viscous Flow Between Parallel Plates Based On The Minimization Of Entropy Generation Presentation By Saeed Ghasemi.
CLIC Prototype Test Module 0 Super Accelerating Structure Thermal Simulation Introduction Theoretical background on water and air cooling FEA Model Conclusions.
Convection: Internal Flow ( )
FREE CONVECTION 7.1 Introduction Solar collectors Pipes Ducts Electronic packages Walls and windows 7.2 Features and Parameters of Free Convection (1)
Reynolds Analogy It can be shown that, under specific conditions (no external pressure gradient and Prandtle number equals to one), the momentum and heat.
INTRODUCTION TO CONVECTION
Sarthit Toolthaisong FREE CONVECTION. Sarthit Toolthaisong 7.2 Features and Parameters of Free Convection 1) Driving Force In general, two conditions.
Internal Flow: Heat Transfer Correlations. Fully Developed Flow Laminar Flow in a Circular Tube: The local Nusselt number is a constant throughout the.
External Flow: The Flat Plate in Parallel Flow
External Flow: The Flat Plate in Parallel Flow Chapter 7 Section 7.1 through 7.3.
Heat Transfer Su Yongkang School of Mechanical Engineering # 1 HEAT TRANSFER CHAPTER 6 Introduction to convection.
Transport process In molecular transport processes in general we are concerned with the transfer or movement of a given property or entire by molecular.
CONVECTION : An Activity at Solid Boundary P M V Subbarao Associate Professor Mechanical Engineering Department IIT Delhi Identify and Compute Gradients.
Date of download: 6/22/2016 Copyright © ASME. All rights reserved. From: Turbulent Heat Transfer Over a Moving Surface Due to Impinging Slot Jets J. Heat.
Heat Transfer Su Yongkang School of Mechanical Engineering # 1 HEAT TRANSFER CHAPTER 8 Internal flow.
CHAPTER 6 Introduction to convection
Thermal Considerations in a Pipe Flow (YAC: 10-1– 10-3; 10-6) Thermal conditions  Laminar or turbulent  Entrance flow and fully developed thermal condition.
Date of download: 9/18/2016 Copyright © ASME. All rights reserved. From: Infrared Based Wall Shear Stress Measurement Techniques J. Thermal Sci. Eng. Appl.
Internal Flow: Heat Transfer Correlations Chapter 8 Sections 8.4 through 8.8.
Internal Flow: Heat Transfer Correlations
FRICTION FACTOR A common parameter used in LAMINAR and especially in TURBULENT flow is the Fanning friction factor, f ‘f ’is as the ratio defined of wall.
Date of download: 11/15/2017 Copyright © ASME. All rights reserved.
Boundary Layer and separation
Pressure drop prediction models
Fundamentals of Convection
Convection.
Natural Convection New terms Volumetric thermal expansion coefficient
Heat Transfer Coefficient
Today’s Lecture Objectives:
Heat Transfer from Extended Surfaces (Fins)
Heat Transfer In Channels Flow
HW ) a), b) F1-2 = 0.07 c) F1-2 = ) Q3 = 781 W.
Chapter 19 FORCED CONVECTION
Chapter 19 FORCED CONVECTION
Internal Flow: Heat Transfer Correlations Chapter 8 Sections 8.4 through 8.8.
Chapter 9 Analysis of a Differential Fluid Element in Laminar Flow
Presentation transcript:

Why Laminar Flow in Narrow Channels (Heat Transfer Analysis)

Nusselt Number Defination Ratio between the observed heat flux and that which would be generated by conduction

Turbulent Flow -Wall Shear Stress Expression For smooth plate surface and 3000 < Re < 10 5

Turbulent Flow - Heat Transfer Capacity for a given matrix volume

Turbulent Flow - Comparison between the heat flux achieved and the fluid power dissipation incurred

Laminar Flow - Constant Wall temperature

Laminar -Wall Shear Stress Expression

Laminar Flow - Heat Transfer Capacity for a given matrix volume

Laminar Flow - Comparison between the heat flux achieved and the fluid power dissipation incurred

Laminar vs. Turbulent

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2025 SlidePlayer.com. Inc. All rights reserved.