Thermal Engergy

Beschreibung

Thermal Energy Topic Edexcel Physics IGCSE
Noah Swanson
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Noah Swanson
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Zusammenfassung der Ressource

Thermal Engergy
  1. Thermal Energy Transfer
    1. Conduction
      1. Through Substanses
        1. No Movement
        2. Metals Are Good Conductors
          1. Wood Is A Good Insulator
          2. Convection
            1. Through Fluids

              Anmerkungen:

              • Fluids = Liquids And Gases
              1. Upward Movement Of Warmer Fluids

                Anmerkungen:

                • Warmer Fluids Are Less Dense
              2. Radiation
                1. Thermal Radiation
                  1. Through IR Waves

                    Anmerkungen:

                    • IR Waves = Infa Red Waves 
                  2. Travels In Straight Lines
                    1. Shiney Surfaces Reflect It
                      1. Emmit Less Heat Through Thermal Radiation
                      2. Matt Black And Darker Surfaces Are Good Absorbers
                    2. Energy Efficient Homes
                      1. Where Heat Is Lost
                        1. The Walls
                          1. 35%
                          2. The Windows
                            1. 10%
                            2. The Doors
                              1. 15%
                              2. The Roof
                                1. 25%
                                2. The WIndows
                                  1. 15%
                                3. Reduction Of Heat Loss
                                  1. The Walls
                                    1. Good Insulation Building Materials. Must Be:
                                      1. Strong
                                        1. Durable
                                          1. Easily Available
                                          2. Cavity Gap
                                            1. To Stop Convection
                                              1. Can Be Filled With Fiber Glass
                                                1. Outer Wall Of Brick, Inner Wall Of Thermal Bricks
                                              2. The Windows
                                                1. Glass
                                                  1. Poor Conductor Of Heat
                                                    1. Double Glazing
                                                      1. 2 Thin Layers Of Glass To Improve Insulation
                                                        1. Triple Glazing In Very Cold Countries
                                                    2. The Roof
                                                      1. Similar To Insulation Of Walls
                                                        1. Cavity Gap
                                                        2. Loft Insulation
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