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  2. Liquefied natural gas terminal - Wikipedia

    en.wikipedia.org/wiki/Liquefied_natural_gas_terminal

    NGL is first pumped as liquid to this pressure. A series of heat exchangers are used to regasify the LNG. These may include submerged combustion vaporisers, [15] or an intermediate fluid exchanger (using propane or other fluids), [16] or the use of waste heat from a nearby plant such as a power station. [17]

  3. Building insulation - Wikipedia

    en.wikipedia.org/wiki/Building_insulation

    Minimum roof insulation level by climate – cool temperate; Alpine reducing heat loss is the main priority Example locations Minimum insulation level (total R-value (m 2 ⋅K/W)) Roof/ceiling* [26] Wall [26] Melbourne, Vic 4.1 2.8 Canberra, ACT 4.1 2.8 Hobart, Tas 4.1 2.8 Mt Gambier, SA 4.1 2.8 Ballarat, Vic 4.1 2.8 Thredbo, NSW 6.3 3.8

  4. List of commercially available roofing materials - Wikipedia

    en.wikipedia.org/wiki/List_of_commercially...

    Roofing material is the outermost layer on the roof of a building, sometimes self-supporting, but generally supported by an underlying structure. A building's roofing material provides shelter from the natural elements. The outer layer of a roof shows great variation dependent upon availability of material, and the nature of the supporting ...

  5. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Insulation is a barrier material to resist/reduce substance (water, vapor, etc. ) /energy (sound, heat, electric, etc.) to transfer from one side to another. Heat/ Thermal Insulation is a barrier material to resist / block / reflect the heat energy (either one or more of the Conduction, Convection or Radiation) to transfer from one side to another.

  6. Liquefied natural gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_natural_gas

    The heating value depends on the source of gas that is used and the process that is used to liquefy the gas. The range of heating value can span ±10 to 15 percent. A typical value of the higher heating value of LNG is approximately 50 MJ/kg or 21,500 BTU/lb. [2] A typical value of the lower heating value of LNG is 45 MJ/kg or 19,350 BTU/lb.

  7. Liquefied petroleum gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_petroleum_gas

    LPG is composed mainly of propane and butane, while natural gas is composed of the lighter methane and ethane. LPG, vaporised and at atmospheric pressure, has a higher calorific value (46 MJ/m 3 equivalent to 12.8 kWh/m 3) than natural gas (methane) (38 MJ/m 3 equivalent to 10.6 kWh/m 3), which means that LPG cannot simply be substituted for ...

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