Thursday, November 17, 2016

BASIC ENERGY PRINCIPLES



It is known that heating cooling and lighting a building can either add or subtract heat. A basic understanding of how this works can benefit and come in handy when it comes to building sustainably.

Sensible: this is defined as heat that is dry. 

Latent Heat: is defined as heat that is released and absorbed by a substance during its change in phase.

Heat transfer: this includes conduction, convection, and radiation.
  • Conduction: physical contact in order for heat to be transferred. 
    • ex: feet touching a warm floor, hands grabbing a cold glass of water.
  • Convection: liquids and gasses absorb and contract as they lose heat by conduction.
    • ex: finding yourself under a shade during a hot summer day and feeling a cool breeze
  • Radiation: energy emitted by particles or waves.
    • ex: sun hitting your skin




HUMAN CONFORT IS ALWAYS KEY. CONSIDER CLIMATE--from warm to cold, to humid and a mixture of all.


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