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    Mechanisms of Heat Loss or Transfer | EGEE 102: Energy …

    • Conduction is a process by which heat is transferred from the hot area of a solid object to the cool area of a solid object by the collisions of particles. In other words, in solids the atoms or molecules do not h… See more

    Convection

    Convection is a process by which heat is transferred from one part of a fluid (liquid or gas) to another by the bulk movement of the fluid itself. Hot regions of a fluid or gas are less de… See more

    John A. Dutton e-Education Institute
    Radiation

    Radiation is the transfer of heat through electromagnetic waves through space. Unlike convection or conduction, where energy from gases, liquids, and solids is transferred … See more

    John A. Dutton e-Education Institute
    Test Yourself

    First, identify the type of home heat loss pictured in images A-J as either: conduction, convection or radiation. Then click and drag each image down to the correct cat… See more

    John A. Dutton e-Education Institute
    Reducing Energy Consumption

    There are two ways in which we can reduce energy consumption. 1. The most cost-effective way is to improve the home’s “envelope”—the walls, windows, doors, roof, and fl… See more

    John A. Dutton e-Education Institute
    How does the body lose heat?
    Core body tissues transfer heat in subcutaneous blood vessels which emit infrared rays from the skin surface to lose heat by radiation. Evaporation is the next major source accounting for about 22% of heat loss. Water vaporization requires energy and consumes heat facilitating heat loss. This process occurs even when the body is not sweating.
    ncbi.nlm.nih.gov
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    Table of Contents
    Convection
    Radiation
    Test Yourself
    Reducing Energy Consumption
    How does the body lose heat?
     
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