Category: Article

  • Australia’s strong sun

    Australia’s strong sun

    Australia gets stronger sun than most developed countries. This advantage could help Australia become a renewable energy superpower, as each solar panel in Australia generates more electricity. . This graph shows the range of latitudes of various landmasses; e.g., Antarctica extends from the South Pole at 90 degrees to about 63 degrees. The greater a…

  • How Heat Pumps Work

    How Heat Pumps Work

    The example heat pump I show how heat pumps work using an example heat pump, including the refrigerant temperatures and pressures. This heat pump: The heat pump works by repeatedly moving the propane refrigerant through this anticlockwise cycle of processes: Condensation:Propane at 16 atm condenses at 74°C, releasing heat to warm 50°C water. Throttling/Expansion Compression…