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Heat Transfer - 1st Edition - ISBN: 9780080165974, 9781483154480

Heat Transfer

1st Edition

Non-Stationary Heat Transfer Through Walls, Measurement of Thermal Conductivity, Heat Transfer with Two Phase Refrigerants

Author: Unknown Author
eBook ISBN: 9781483154480
Imprint: Pergamon
Published Date: 1st January 1971
Page Count: 608
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Heat Transfer: Current Applications of Air Conditioning deals with problems and applications of air conditioning. The discussions are organized around non-stationary heat transfer through walls; study of confined rooms or enclosures; calculation of cooling loads; heat transfer with two-phase refrigerants; measurement of thermal conductivity and water vapour permeability of insulating materials; and tests on air handling equipment (room air-conditioners, induction or fan coil air-conditioners). This book is comprised of 60 chapters and begins with an assessment of the unit-system controversy in the United States and the quest for an ultimate resolution. The following chapters explore the resolution of conductive heat transfer problems using the finite element method; thermal behavior of composite walls under transient conditions; thermal and electrical models for solving problems of non-stationary heat transfer through walls; and use of a radiometer to measure the average temperature of a wall. Experimental results for mixed air convection along a vertical surface are also presented. This monograph will be a valuable resource for electronics engineers.

Table of Contents


List of Participants


Section 1 Generalities

The Quest for Ultimate Resolution of the Unit-System Controversy in U.S.A

Time-Wise Persistence of Error in Presentation of Thermodynamic Data Such as on "Entropy"

Section 2 Non-Stationary Heat Transfer through Walls Study of Confined Enclosures Calculation of Cooling Loads

The Resolution of Conductive Heat Transfer Problems Using the Finite Element Method

The Solution of Unsteady Heat Conduction Problems in Composite Walls via the Monte Carlo Method

Thermal Behavior of Composite Walls under Transient Conditions. Their Characterization by Two Parameters. Simplified Calculation Method

Analytical Study of Thermally Active Structures in Unsteady State Conditions

Resistance Network Analogue Method for Two-Dimensional Unsteady Temperature Distribution under Refrigeration Installations

Electrical Representation of Unsteady State Thermal Fields by Means of a Continuous Resistive and Capacitive Medium

Thermal and Electrical Models for Solving Problems of Non-Stationary Heat Transfer through Walls

Calculation of the Solar Heat Gain through Composite Constructions by the Matrix Method

Detection of the Superficial Heat Flux Density via Probes of Low Inertia and High Space Resolution

Mixed Air Convection along a Vertical Surface. Experimental Results

A Simple Thermo-Anemometer of Very Low Directional Effect

Visualizing a Convective Field in a Confined Space

Measuring the Average Temperature of a Wall with the Aid of a Radiometer

Unsteady State Air Temperature Measurements in the Proximity of Radiating Walls

Periodic Heat Flow through Lightweight Walls: Influence of the Heat Capacity of Solid Bodies upon Room Temperature

System for the Calculation of Transient Thermal Responses of Rooms

On Computing the Temperature of a Room under Solar Radiation

Electrical Analog Model of a System with Transient Radiation Heat Transfer

Problems of Room Heat-up in Summer

Heat Capacity of Buildings

Actual Cooling Loads from Solar Radiation through Windows of Air Conditioned Rooms

Experiments on Stationary and Oscillating Heat Transfer in Large Walls

Examination of Convective Heat Transport in an Airproof Cased Plate of Mineral Wool

Heat Transfer in a Porous Insulation with Gas Diffusion through the Walls

On the Water Vapor Transmission through Porous Materials

Urethane Rigid Foams: a Review of the Factors Affecting the Attainment and Retention of Optimum Thermal Conductivity and Their Significance in Service Applications

A Simple Transient Method for the Rapid Comparison of the Thermal Diffusivities of Poor Conductors

Section 3 Measurement of Thermal Conductivity

On the Design of a Guarded Hot Plate Apparatus

Influence of the Mode of Construction of Guard-Ring Heating Plates on the Thermal Conductivity Measurements of Insulating Materials

Some Remarks on a Non-Steady-State Method for Measuring the Thermal Conductivity of Materials

Modified Guarded Hot Plate Apparatus for Measuring Thermal Conductivity of Moist Materials

Revolving Apparatus with a Doubly-Guarded Hot Plate for Measuring the Thermal Conductivity of Insulating Materials

A Calorimeter for Measuring Very Small Heat Fluxes

A Bubble-Column-Apparatus for Measuring the Thermal Conductivity and the Diffusion Resistance Factor of Insulating Materials

Measuring the Thermal Diffusivity of Insulating Materials by Means of a Plate Apparatus Used for Measurements of Thermal Conductivity

The Reproducibility of Thermal Diffusivity Measurements in Quasi-Steady Periodic Conditions

Section 4 Heat Transfer with Two-Phase Refrigerants

Liquid-Vapor Phase Equilibrium N Solutions of R-22 in Dibutyl Phthalate and Tetraethylene Glycol Dimethyl Ether

Heat Transfer in Flooded Evaporator Tubes: Mutual Influence between Tubes

High Velocity Condensation of R-11 Vapor Inside Vertical Tubes

Freezing of Liquids in Pipes with Turbulent Flow

Model with Variable Slip for the Study of Two-Phase Critical Flows

Temperature Distribution in a Frost Layer Formed on a Cylindrical Tube in Cross Flow

Possibilities for Intensifying the Heat Exchange in "Dry" Evaporators through Influence on the Dynamics of Two Phase Flow

Section 5 Testing Air Treatment Equipment

Some Experience with a New Air Conditioning Test Room

Tests on Induction Air Conditioners

Heat Transfer in Fan-Coils for Air Conditioning

Heat Losses from Jet-Convectors in 4-Pipe Installations Having Air-Side Regulation

Observations with Respect to Damper and Water Controlled Induction Units

Noise in Jet-Convectors

Noise in Fan-Convectors

Noise Control of Air Conditioning Cooling Towers

Section 6 Topical Problems and Special Applications of Air Conditioning

New Tendencies for Designing Comfort Air-Conditioning Plants

Optimizing the Fresh Air Flow in an Air Conditioning System Using a Ventilated Luminaire

Maximum Exploitation of Installed Capacity in Air Conditioning of Hospitals

The Total Energy System as an Energy Producer in Air Conditioning Installations

Economic Conditions for the Use of Gas-Engine-Driven Refrigerating Compressors in Air-Conditioning Plant

Individual Automatic Central Stations for the Production of Total Energy with Boiling-Cooling Gas Engines and Absorption Machines

Evolution of Central Plant toward a Heat Reclaim Loop


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© Pergamon 1971
1st January 1971
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