  # Heat Transfer

## Video Lectures

Displaying all 66 video lectures.
 Lecture 1 Play Video Heat Transfer BasicsExplains the types of heat transfer and the terms associated with the governing equations. Lecture 2 Play Video Introduction to Heat Transfer - Potato ExampleAn experiment is discussed with a student to demonstrate the main concepts of heat transfer. Lecture 3 Play Video Heat Transfer Parameters and UnitsDiscusses the most common heat transfer parameters and associated units. Lecture 4 Play Video Heat Flux: Temperature DistributionGiven the temperature distribution for a one-dimensional wall, determine the heat flux, the rate of storage, and the heat transfer coefficient. Lecture 5 Play Video Conduction Equation DerivationDerives the equation for conductive heat transfer through a plane wall at steady-state conditions. Lecture 6 Play Video Heat Equation DerivationDerives the heat equation using an energy balance on a differential control volume. Lecture 7 Play Video Heat Equation Derivation: Cylindrical CoordinatesDerives the heat diffusion equation in cylindrical coordinates. Lecture 8 Play Video Boundary ConditionsCompares various boundary conditions for a steady-state, one-dimensional system. Lecture 9 Play Video Thermal Circuits IntroductionIntroduces the concept of thermal circuits to solve for heat transfer through a plane wall. Lecture 10 Play Video Thermal Circuits: Temperatures in a Composite WallCalculates the temperatures in a composite wall using thermal circuits. Lecture 11 Play Video Composite Wall: Maximum TemperatureDetermines the maximum temperature within a composite wall given information about composite materials and heat flux. Lecture 12 Play Video Temperature Distribution for a CylinderSimplifies the heat equation for conduction in a hollow cylinder and solves for the temperature distribution. Lecture 13 Play Video Rate of Heat GenerationDetermines the rate of heat generation for a wall. Lecture 14 Play Video Uniform Heat Generation: Maximum TemperatureCalculates the maximum temperature for a plane wall with uniform heat generation. Lecture 15 Play Video Heat Loss from a Cylindrical Pin FinCalculates the heat transfer coefficient and rate of heat transfer for a cylindrical pin fin. Lecture 16 Play Video Heat Loss from a Rectangular FinModels heat loss from a rectangular fin. Assumes properties similar to fins used in microprocessors. Lecture 17 Play Video Maximum Temperature for a Rectangular FinCalculates the maximum temperature for an isothermal microprocessor chip soldered to a heat sink. Lecture 18 Play Video Methods for Solving Transient Conduction ProblemsCompares lumped capacitance to an analytical solution for a gold sphere dropped into a water bath. Lecture 19 Play Video Lumped Capacitance IntroductionExplains the lumped capacitance model for transient conduction and derives its governing equation. Lecture 20 Play Video Lumped Capacitance: Temperature of a SphereUses the lumped capacitance assumption to find the temperature at the center of a sphere. Lecture 21 Play Video Transient Conduction in a Sphere (Part I)Calculates the time to cool a sphere placed in a water bath. The problem solving approach is determined by calculating the Biot number. Lecture 22 Play Video Transient Conduction in a Sphere (Part II)Calculates the time to cool a sphere placed in a water bath using an analytical approach. Lecture 23 Play Video Transient Conduction: One-Term ApproximationModels the temperature of a sphere suddenly immersed in a hot bath using the one-term approximation method. Lecture 24 Play Video Modeling Heat Transfer along a Semi-Infinite MediumDetermines the temperature in a slab modeled as a semi-infinite solid. Lecture 25 Play Video Solving Convection ProblemsOutlines the procedure to solve convection problems. Lecture 26 Play Video Flow over a Flat PlateDetermines the heat transfer coefficient for laminar flow over a flat plate and the surface temperature of the plate. Lecture 27 Play Video Laminar Flow: Flat Plate Surface TemperatureSolves for the surface temperature of an isothermal flat plate using a laminar flow correlation. Lecture 28 Play Video Solar Cell (Part I): Heat Transfer CoefficientCalculates the convective heat transfer coefficient for a solar cell using the appropriate correlation. Lecture 29 Play Video Solar Cell (Part II): Surface TemperatureCalculates the surface temperature for a solar cell using the thermal circuit method. Lecture 30 Play Video Heat Transfer Rate: Tube BankCalculates the total heat transfer rate for a bank of tubes used to heat air. Lecture 31 Play Video Rod Center-line TemperatureDetermines the center-line temperature of a cylindrical rod heated by convection. Lecture 32 Play Video Introduction to Blasius SolutionsIntroduces Blasius solutions to solve steady-state, two-dimensional boundary layer problems for a semi-infinite plate. Lecture 33 Play Video Blasius Solution for Boundary Layer ThicknessUses flat plate laminar boundary layer functions to solve for boundary layer thickness. Lecture 34 Play Video Shear Stress at a Wall: Blasius SolutionsUses the Blasius solutions to find the shear stress at a wall as a function of plate length. Lecture 35 Play Video Blasius Solution for the y-Component of VelocityUses the Blasius solutions to develop an expression for the y-component of velocity at the edge of a boundary layer. Lecture 36 Play Video y-Component of Velocity at a Boundary LayerShows how to find the y-component of velocity at the edge of a boundary layer at any point along the length of a flat plate. Lecture 37 Play Video Outlet Mean TemperatureCalculates the outlet mean temperature for internal flow through a tube. Lecture 38 Play Video Heat Transfer Rate: Cross-Section OrientationExamines the dependence of the heat transfer rate on the physical orientation of a rectangular cross-section. Lecture 39 Play Video Nucleate Boiling ExampleDetermines the rate of vapor production for saturated water during nucleate boiling. Lecture 40 Play Video Counter-Flow Heat Exchanger: Outlet Temperature (Bio)Determines the outlet temperature for a concentric tube, counter-current heat exchanger used to cool blood during open heart surgery. Lecture 41 Play Video Heat Exchanger: Mass Flow RateCalculates the mass flow rate of cooling water in a concentric, counter-current heat exchanger. Lecture 42 Play Video Sizing a Heat Exchanger: Parallel FlowFinds the length of a concentric, parallel flow heat exchanger using an overall heat transfer coefficient and the log mean temperature. Lecture 43 Play Video Sizing a Heat Exchanger: Counter-FlowCalculates the length of a concentric counter-flow heat exchanger using the same parameters as in 'Sizing a Heat Exchanger: Parallel Flow.' Describes how counter-flow is different from parallel flow. Lecture 44 Play Video Excel Solver IntroductionDescribes how to use the solver function in Excel 2010. Lecture 45 Play Video Laminar, Fully-Developed Internal Flow Through a PipeUses a correlation to calculate the heat transfer coefficient and the outlet temperature of a laminar, fully-developed fluid flowing through a pipe with constant surface temperature. Lecture 46 Play Video NTU Effectiveness MethodIntroduces the NTU effectiveness method to analyze a heat exchanger. Lecture 47 Play Video NTU Effectiveness: Counter-Flow Heat ExchangerUses the NTU effectiveness method to find the overall heat transfer coefficient for a counter-flow, concentric heat exchanger. Lecture 48 Play Video Log Mean Temperature DifferenceExplains how to calculate the log mean temperature difference for a heat exchanger. Lecture 49 Play Video How to Calculate Heat DutyIntroduces heat duty and calculates it for a stream of water heated from 25C to 140C at 30 psi. Lecture 50 Play Video Estimates for Heat Transfer CoefficientsProvides estimates for heat transfer coefficients for different scenarios. Lecture 51 Play Video Local and Average Heat Transfer CoefficientsCompares local and average heat transfer coefficients. Lecture 52 Play Video Internal Flow with Constant Surface TemperatureCalculates the mass flow rate of fluid through a pipe with constant surface temperature. Lecture 53 Play Video Contact ResistanceUses thermal resistances to examine surface contact resistances. Lecture 54 Play Video Contact Resistance ExampleCalculates the contact resistance for a composite wall using the overall heat transfer coefficient. Lecture 55 Play Video Film Pool BoilingDescribes the regime of film pool boiling and uses an example to illustrate how to determine the heat transfer rate. Lecture 56 Play Video Nucleate Pool BoilingThe heat flux and convective heat transfer coefficient are determined for a copper pipe with water undergoing nucleate pool boiling. Lecture 57 Play Video Nucleate Pool Boiling: Unit ConversionGives a detailed explanation of the unit conversions for the Nucleate Pool Boiling screencast. Lecture 58 Play Video Overall Heat Transfer Coefficient Rectangular CoordinatesExplains how to calculate the overall heat transfer coefficient for a system with conduction and convection. Lecture 59 Play Video View FactorsDefines view factors and shows two examples of how to calculate them. Lecture 60 Play Video Surface Temperature for a Cylindrical PipeThe overall heat transfer coefficient for a radial system is used to find the surface temperature of a pipe. Lecture 61 Play Video Internal Flow with Constant Surface Heat FluxCalculates the mass flow rate of a fluid through a pipe with constant surface heat flux. Lecture 62 Play Video Net Radiative Heat Transfer Rate from a SurfaceDefines opaque, diffuse and gray surfaces and discusses how they differ from blackbodies. Lecture 63 Play Video Radiation Exchange Between SurfacesDemonstrates how to calculate radiation exchange between surfaces in an enclosure. Lecture 64 Play Video Temperature of a Radiation ShieldCalculates the temperature of a radiation shield, knowing the heat flux. Lecture 65 Play Video Heat Generation in a PipeCalculates the heat generation needed to heat water in a thick-walled pipe. Lecture 66 Play Video Properties of Radiative Heat TransferExplanation of the process of radiation.