Insulation used in the plumbing line of the actual rockets

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While using the pipes for plumbing of the liquid propellants at pretty low temperature because of which ice form on the line if not insulated or poorly insulated, which can lead to liquid to gas conversion before reaching the combustion chamber.



What kind of insulation is used now a days, to prevent liquid to gas conversion before reaching the combustion chamber?










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    up vote
    2
    down vote

    favorite












    While using the pipes for plumbing of the liquid propellants at pretty low temperature because of which ice form on the line if not insulated or poorly insulated, which can lead to liquid to gas conversion before reaching the combustion chamber.



    What kind of insulation is used now a days, to prevent liquid to gas conversion before reaching the combustion chamber?










    share|improve this question

























      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      While using the pipes for plumbing of the liquid propellants at pretty low temperature because of which ice form on the line if not insulated or poorly insulated, which can lead to liquid to gas conversion before reaching the combustion chamber.



      What kind of insulation is used now a days, to prevent liquid to gas conversion before reaching the combustion chamber?










      share|improve this question















      While using the pipes for plumbing of the liquid propellants at pretty low temperature because of which ice form on the line if not insulated or poorly insulated, which can lead to liquid to gas conversion before reaching the combustion chamber.



      What kind of insulation is used now a days, to prevent liquid to gas conversion before reaching the combustion chamber?







      propulsion fuel cryogenics insulation plumbing






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      share|improve this question













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      edited 1 hour ago

























      asked 5 hours ago









      Amar

      829319




      829319




















          1 Answer
          1






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          up vote
          2
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          The NASA document "Liquid Rocket Lines, Bellows, Flexible Hoses, and Filters" contains an extensive discussion of propellant line insulation in Chapter 2.1.5.4 Insulation.



          Quick summary: Many types are used, but vacuum-jacketed hard lines with flexible joints were used extensively in the Saturn and Shuttle propulsion systems to maintain propellant quality. Insulation is also used on the exterior of the lines to prevent liquid air formation prior to launch, which can drip down on other components with deleterious effects.



          This schematic shows the external insulation on the Space Shuttle Main Engine liquid hydrogen ducts.



          enter image description here



          (picture from Space Shuttle Main Engine Pocket Data Book RI/RD87-142)






          share|improve this answer




















          • What kind of insulation used now a days by SpaceX, Rocket labs, PLD space, etc.
            – Amar
            1 hour ago











          • If your question is asking about modern systems, please edit it to show that!
            – Organic Marble
            1 hour ago










          • Sure, so will you be editing the answer? BTW this is a good reference.
            – Amar
            1 hour ago










          • No, I know nothing about those vehicles.
            – Organic Marble
            1 hour ago










          • SpaceX and Rocket Labs don't publish about this kind of detail, so an answer about those two is unlikely.
            – Hobbes
            17 mins ago










          Your Answer





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          1 Answer
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          active

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

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          up vote
          2
          down vote













          The NASA document "Liquid Rocket Lines, Bellows, Flexible Hoses, and Filters" contains an extensive discussion of propellant line insulation in Chapter 2.1.5.4 Insulation.



          Quick summary: Many types are used, but vacuum-jacketed hard lines with flexible joints were used extensively in the Saturn and Shuttle propulsion systems to maintain propellant quality. Insulation is also used on the exterior of the lines to prevent liquid air formation prior to launch, which can drip down on other components with deleterious effects.



          This schematic shows the external insulation on the Space Shuttle Main Engine liquid hydrogen ducts.



          enter image description here



          (picture from Space Shuttle Main Engine Pocket Data Book RI/RD87-142)






          share|improve this answer




















          • What kind of insulation used now a days by SpaceX, Rocket labs, PLD space, etc.
            – Amar
            1 hour ago











          • If your question is asking about modern systems, please edit it to show that!
            – Organic Marble
            1 hour ago










          • Sure, so will you be editing the answer? BTW this is a good reference.
            – Amar
            1 hour ago










          • No, I know nothing about those vehicles.
            – Organic Marble
            1 hour ago










          • SpaceX and Rocket Labs don't publish about this kind of detail, so an answer about those two is unlikely.
            – Hobbes
            17 mins ago














          up vote
          2
          down vote













          The NASA document "Liquid Rocket Lines, Bellows, Flexible Hoses, and Filters" contains an extensive discussion of propellant line insulation in Chapter 2.1.5.4 Insulation.



          Quick summary: Many types are used, but vacuum-jacketed hard lines with flexible joints were used extensively in the Saturn and Shuttle propulsion systems to maintain propellant quality. Insulation is also used on the exterior of the lines to prevent liquid air formation prior to launch, which can drip down on other components with deleterious effects.



          This schematic shows the external insulation on the Space Shuttle Main Engine liquid hydrogen ducts.



          enter image description here



          (picture from Space Shuttle Main Engine Pocket Data Book RI/RD87-142)






          share|improve this answer




















          • What kind of insulation used now a days by SpaceX, Rocket labs, PLD space, etc.
            – Amar
            1 hour ago











          • If your question is asking about modern systems, please edit it to show that!
            – Organic Marble
            1 hour ago










          • Sure, so will you be editing the answer? BTW this is a good reference.
            – Amar
            1 hour ago










          • No, I know nothing about those vehicles.
            – Organic Marble
            1 hour ago










          • SpaceX and Rocket Labs don't publish about this kind of detail, so an answer about those two is unlikely.
            – Hobbes
            17 mins ago












          up vote
          2
          down vote










          up vote
          2
          down vote









          The NASA document "Liquid Rocket Lines, Bellows, Flexible Hoses, and Filters" contains an extensive discussion of propellant line insulation in Chapter 2.1.5.4 Insulation.



          Quick summary: Many types are used, but vacuum-jacketed hard lines with flexible joints were used extensively in the Saturn and Shuttle propulsion systems to maintain propellant quality. Insulation is also used on the exterior of the lines to prevent liquid air formation prior to launch, which can drip down on other components with deleterious effects.



          This schematic shows the external insulation on the Space Shuttle Main Engine liquid hydrogen ducts.



          enter image description here



          (picture from Space Shuttle Main Engine Pocket Data Book RI/RD87-142)






          share|improve this answer












          The NASA document "Liquid Rocket Lines, Bellows, Flexible Hoses, and Filters" contains an extensive discussion of propellant line insulation in Chapter 2.1.5.4 Insulation.



          Quick summary: Many types are used, but vacuum-jacketed hard lines with flexible joints were used extensively in the Saturn and Shuttle propulsion systems to maintain propellant quality. Insulation is also used on the exterior of the lines to prevent liquid air formation prior to launch, which can drip down on other components with deleterious effects.



          This schematic shows the external insulation on the Space Shuttle Main Engine liquid hydrogen ducts.



          enter image description here



          (picture from Space Shuttle Main Engine Pocket Data Book RI/RD87-142)







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 2 hours ago









          Organic Marble

          50.4k3130213




          50.4k3130213











          • What kind of insulation used now a days by SpaceX, Rocket labs, PLD space, etc.
            – Amar
            1 hour ago











          • If your question is asking about modern systems, please edit it to show that!
            – Organic Marble
            1 hour ago










          • Sure, so will you be editing the answer? BTW this is a good reference.
            – Amar
            1 hour ago










          • No, I know nothing about those vehicles.
            – Organic Marble
            1 hour ago










          • SpaceX and Rocket Labs don't publish about this kind of detail, so an answer about those two is unlikely.
            – Hobbes
            17 mins ago
















          • What kind of insulation used now a days by SpaceX, Rocket labs, PLD space, etc.
            – Amar
            1 hour ago











          • If your question is asking about modern systems, please edit it to show that!
            – Organic Marble
            1 hour ago










          • Sure, so will you be editing the answer? BTW this is a good reference.
            – Amar
            1 hour ago










          • No, I know nothing about those vehicles.
            – Organic Marble
            1 hour ago










          • SpaceX and Rocket Labs don't publish about this kind of detail, so an answer about those two is unlikely.
            – Hobbes
            17 mins ago















          What kind of insulation used now a days by SpaceX, Rocket labs, PLD space, etc.
          – Amar
          1 hour ago





          What kind of insulation used now a days by SpaceX, Rocket labs, PLD space, etc.
          – Amar
          1 hour ago













          If your question is asking about modern systems, please edit it to show that!
          – Organic Marble
          1 hour ago




          If your question is asking about modern systems, please edit it to show that!
          – Organic Marble
          1 hour ago












          Sure, so will you be editing the answer? BTW this is a good reference.
          – Amar
          1 hour ago




          Sure, so will you be editing the answer? BTW this is a good reference.
          – Amar
          1 hour ago












          No, I know nothing about those vehicles.
          – Organic Marble
          1 hour ago




          No, I know nothing about those vehicles.
          – Organic Marble
          1 hour ago












          SpaceX and Rocket Labs don't publish about this kind of detail, so an answer about those two is unlikely.
          – Hobbes
          17 mins ago




          SpaceX and Rocket Labs don't publish about this kind of detail, so an answer about those two is unlikely.
          – Hobbes
          17 mins ago

















           

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