Post processing of destruction of a rocket

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If a rocket fails whether on the launch pad or after the lift-off, how is it determined what component failed?



What are the different methods by which failure is determined?






rockets failure







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    up vote
    1
    down vote

    favorite












    If a rocket fails whether on the launch pad or after the lift-off, how is it determined what component failed?



    What are the different methods by which failure is determined?






    rockets failure







    share|improve this question























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      If a rocket fails whether on the launch pad or after the lift-off, how is it determined what component failed?



      What are the different methods by which failure is determined?






      rockets failure







      share|improve this question













      If a rocket fails whether on the launch pad or after the lift-off, how is it determined what component failed?



      What are the different methods by which failure is determined?






      rockets failure




      rockets failure






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 1 hour ago









      Amar

      496116




      496116




















          2 Answers
          2






          active

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          up vote
          3
          down vote













          This is pretty standard post incident analysis, with extensive data:



          • All live radio telemetry from the rocket is studied.

          The telemetry stream is incredible. Data from almost every flow, temperature, speed, angle, pressure sensor etc., is fed live to control.



          • Every component that can be retrieved after an explosion or crash is analysed.

          Depending on the type on failure, there may be very little left, or if an explosion happens in space there may be nothing recoverable, however generally there are components and even entire modules that survive in one form or other.



          • All video feeds are analysed frame by frame.

          Video is shot from on board, and from hundreds of cameras on and near the launch site, as well as down range. Combined with thousands of public videos from mobile phones etc., there is usually fotage from every angle imaginable.



          • Simulation is carried out using data.

          Once information is gathered, simulations provide an insight into triggers for particular behaviour. For example, correct telemetry up until a particular sensor failing, followed closely by ctastrophic failure gives a good indication that something near that sensor may have been to blame, so simulations that can model failure near the sensor are considered.



          It's worth looking at the documentaries on the two Shuttle disasters. They go into great detail on all the possible failure modes that match the data they had, used existing samples, ran stress tests and simulations.






          share|improve this answer






















          • The telemetry data is an important part that could need more explanation, I think: is data streamed by radio during the whole ascent or is there some kind of black-box? Are there usually sensors that serve no other purpose than to provide additional data in a post-mortem analysis and are not necessary for the normal operation?
            – DarkDust
            55 mins ago











          • Fault tree analysis is important.
            – Organic Marble
            6 mins ago

















          up vote
          1
          down vote













          See this question and answers there for a bit of information on radio tracking.



          There's an excellent video by Paul Shillito (Curious Droid) How did NASA get those great film shots of Apollo and the Shuttle? that describes the evolution of camera systems used to monitor spacecraft on their way up and down. It states that the launch of STS-114 had over 400 cameras for example.



          An example of some of the largest ones is shown in the image below, and is discussed further in this question as well as the answers there.













          below: Contraves-Goerz Kineto Tracking Mount (KTM), from here.



          enter image description here






          share|improve this answer






















          • This doesn't appear to answer the question, which is not about camera tracking, but about failure mode analysis
            – Rory Alsop
            4 mins ago










          • @RoryAlsop you can not analyze the images of the failure mode without first capturing the failure mode images. It is an essential step. You can not analyze the telemetry data without receiving the telemetry data. This is also an essential step. You may not think it is the most interesting step, but I do. I'll add a bit more from the video to make this clearer.
            – uhoh
            1 min ago











          Your Answer




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          2 Answers
          2






          active

          oldest

          votes








          2 Answers
          2






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          3
          down vote













          This is pretty standard post incident analysis, with extensive data:



          • All live radio telemetry from the rocket is studied.

          The telemetry stream is incredible. Data from almost every flow, temperature, speed, angle, pressure sensor etc., is fed live to control.



          • Every component that can be retrieved after an explosion or crash is analysed.

          Depending on the type on failure, there may be very little left, or if an explosion happens in space there may be nothing recoverable, however generally there are components and even entire modules that survive in one form or other.



          • All video feeds are analysed frame by frame.

          Video is shot from on board, and from hundreds of cameras on and near the launch site, as well as down range. Combined with thousands of public videos from mobile phones etc., there is usually fotage from every angle imaginable.



          • Simulation is carried out using data.

          Once information is gathered, simulations provide an insight into triggers for particular behaviour. For example, correct telemetry up until a particular sensor failing, followed closely by ctastrophic failure gives a good indication that something near that sensor may have been to blame, so simulations that can model failure near the sensor are considered.



          It's worth looking at the documentaries on the two Shuttle disasters. They go into great detail on all the possible failure modes that match the data they had, used existing samples, ran stress tests and simulations.






          share|improve this answer






















          • The telemetry data is an important part that could need more explanation, I think: is data streamed by radio during the whole ascent or is there some kind of black-box? Are there usually sensors that serve no other purpose than to provide additional data in a post-mortem analysis and are not necessary for the normal operation?
            – DarkDust
            55 mins ago











          • Fault tree analysis is important.
            – Organic Marble
            6 mins ago














          up vote
          3
          down vote













          This is pretty standard post incident analysis, with extensive data:



          • All live radio telemetry from the rocket is studied.

          The telemetry stream is incredible. Data from almost every flow, temperature, speed, angle, pressure sensor etc., is fed live to control.



          • Every component that can be retrieved after an explosion or crash is analysed.

          Depending on the type on failure, there may be very little left, or if an explosion happens in space there may be nothing recoverable, however generally there are components and even entire modules that survive in one form or other.



          • All video feeds are analysed frame by frame.

          Video is shot from on board, and from hundreds of cameras on and near the launch site, as well as down range. Combined with thousands of public videos from mobile phones etc., there is usually fotage from every angle imaginable.



          • Simulation is carried out using data.

          Once information is gathered, simulations provide an insight into triggers for particular behaviour. For example, correct telemetry up until a particular sensor failing, followed closely by ctastrophic failure gives a good indication that something near that sensor may have been to blame, so simulations that can model failure near the sensor are considered.



          It's worth looking at the documentaries on the two Shuttle disasters. They go into great detail on all the possible failure modes that match the data they had, used existing samples, ran stress tests and simulations.






          share|improve this answer






















          • The telemetry data is an important part that could need more explanation, I think: is data streamed by radio during the whole ascent or is there some kind of black-box? Are there usually sensors that serve no other purpose than to provide additional data in a post-mortem analysis and are not necessary for the normal operation?
            – DarkDust
            55 mins ago











          • Fault tree analysis is important.
            – Organic Marble
            6 mins ago












          up vote
          3
          down vote










          up vote
          3
          down vote









          This is pretty standard post incident analysis, with extensive data:



          • All live radio telemetry from the rocket is studied.

          The telemetry stream is incredible. Data from almost every flow, temperature, speed, angle, pressure sensor etc., is fed live to control.



          • Every component that can be retrieved after an explosion or crash is analysed.

          Depending on the type on failure, there may be very little left, or if an explosion happens in space there may be nothing recoverable, however generally there are components and even entire modules that survive in one form or other.



          • All video feeds are analysed frame by frame.

          Video is shot from on board, and from hundreds of cameras on and near the launch site, as well as down range. Combined with thousands of public videos from mobile phones etc., there is usually fotage from every angle imaginable.



          • Simulation is carried out using data.

          Once information is gathered, simulations provide an insight into triggers for particular behaviour. For example, correct telemetry up until a particular sensor failing, followed closely by ctastrophic failure gives a good indication that something near that sensor may have been to blame, so simulations that can model failure near the sensor are considered.



          It's worth looking at the documentaries on the two Shuttle disasters. They go into great detail on all the possible failure modes that match the data they had, used existing samples, ran stress tests and simulations.






          share|improve this answer














          This is pretty standard post incident analysis, with extensive data:



          • All live radio telemetry from the rocket is studied.

          The telemetry stream is incredible. Data from almost every flow, temperature, speed, angle, pressure sensor etc., is fed live to control.



          • Every component that can be retrieved after an explosion or crash is analysed.

          Depending on the type on failure, there may be very little left, or if an explosion happens in space there may be nothing recoverable, however generally there are components and even entire modules that survive in one form or other.



          • All video feeds are analysed frame by frame.

          Video is shot from on board, and from hundreds of cameras on and near the launch site, as well as down range. Combined with thousands of public videos from mobile phones etc., there is usually fotage from every angle imaginable.



          • Simulation is carried out using data.

          Once information is gathered, simulations provide an insight into triggers for particular behaviour. For example, correct telemetry up until a particular sensor failing, followed closely by ctastrophic failure gives a good indication that something near that sensor may have been to blame, so simulations that can model failure near the sensor are considered.



          It's worth looking at the documentaries on the two Shuttle disasters. They go into great detail on all the possible failure modes that match the data they had, used existing samples, ran stress tests and simulations.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 12 mins ago

























          answered 58 mins ago









          Rory Alsop

          9,26924070




          9,26924070











          • The telemetry data is an important part that could need more explanation, I think: is data streamed by radio during the whole ascent or is there some kind of black-box? Are there usually sensors that serve no other purpose than to provide additional data in a post-mortem analysis and are not necessary for the normal operation?
            – DarkDust
            55 mins ago











          • Fault tree analysis is important.
            – Organic Marble
            6 mins ago
















          • The telemetry data is an important part that could need more explanation, I think: is data streamed by radio during the whole ascent or is there some kind of black-box? Are there usually sensors that serve no other purpose than to provide additional data in a post-mortem analysis and are not necessary for the normal operation?
            – DarkDust
            55 mins ago











          • Fault tree analysis is important.
            – Organic Marble
            6 mins ago















          The telemetry data is an important part that could need more explanation, I think: is data streamed by radio during the whole ascent or is there some kind of black-box? Are there usually sensors that serve no other purpose than to provide additional data in a post-mortem analysis and are not necessary for the normal operation?
          – DarkDust
          55 mins ago





          The telemetry data is an important part that could need more explanation, I think: is data streamed by radio during the whole ascent or is there some kind of black-box? Are there usually sensors that serve no other purpose than to provide additional data in a post-mortem analysis and are not necessary for the normal operation?
          – DarkDust
          55 mins ago













          Fault tree analysis is important.
          – Organic Marble
          6 mins ago




          Fault tree analysis is important.
          – Organic Marble
          6 mins ago










          up vote
          1
          down vote













          See this question and answers there for a bit of information on radio tracking.



          There's an excellent video by Paul Shillito (Curious Droid) How did NASA get those great film shots of Apollo and the Shuttle? that describes the evolution of camera systems used to monitor spacecraft on their way up and down. It states that the launch of STS-114 had over 400 cameras for example.



          An example of some of the largest ones is shown in the image below, and is discussed further in this question as well as the answers there.













          below: Contraves-Goerz Kineto Tracking Mount (KTM), from here.



          enter image description here






          share|improve this answer






















          • This doesn't appear to answer the question, which is not about camera tracking, but about failure mode analysis
            – Rory Alsop
            4 mins ago










          • @RoryAlsop you can not analyze the images of the failure mode without first capturing the failure mode images. It is an essential step. You can not analyze the telemetry data without receiving the telemetry data. This is also an essential step. You may not think it is the most interesting step, but I do. I'll add a bit more from the video to make this clearer.
            – uhoh
            1 min ago















          up vote
          1
          down vote













          See this question and answers there for a bit of information on radio tracking.



          There's an excellent video by Paul Shillito (Curious Droid) How did NASA get those great film shots of Apollo and the Shuttle? that describes the evolution of camera systems used to monitor spacecraft on their way up and down. It states that the launch of STS-114 had over 400 cameras for example.



          An example of some of the largest ones is shown in the image below, and is discussed further in this question as well as the answers there.













          below: Contraves-Goerz Kineto Tracking Mount (KTM), from here.



          enter image description here






          share|improve this answer






















          • This doesn't appear to answer the question, which is not about camera tracking, but about failure mode analysis
            – Rory Alsop
            4 mins ago










          • @RoryAlsop you can not analyze the images of the failure mode without first capturing the failure mode images. It is an essential step. You can not analyze the telemetry data without receiving the telemetry data. This is also an essential step. You may not think it is the most interesting step, but I do. I'll add a bit more from the video to make this clearer.
            – uhoh
            1 min ago













          up vote
          1
          down vote










          up vote
          1
          down vote









          See this question and answers there for a bit of information on radio tracking.



          There's an excellent video by Paul Shillito (Curious Droid) How did NASA get those great film shots of Apollo and the Shuttle? that describes the evolution of camera systems used to monitor spacecraft on their way up and down. It states that the launch of STS-114 had over 400 cameras for example.



          An example of some of the largest ones is shown in the image below, and is discussed further in this question as well as the answers there.













          below: Contraves-Goerz Kineto Tracking Mount (KTM), from here.



          enter image description here






          share|improve this answer














          See this question and answers there for a bit of information on radio tracking.



          There's an excellent video by Paul Shillito (Curious Droid) How did NASA get those great film shots of Apollo and the Shuttle? that describes the evolution of camera systems used to monitor spacecraft on their way up and down. It states that the launch of STS-114 had over 400 cameras for example.



          An example of some of the largest ones is shown in the image below, and is discussed further in this question as well as the answers there.













          below: Contraves-Goerz Kineto Tracking Mount (KTM), from here.



          enter image description here























          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 10 mins ago

























          answered 29 mins ago









          uhoh

          28.1k1289344




          28.1k1289344











          • This doesn't appear to answer the question, which is not about camera tracking, but about failure mode analysis
            – Rory Alsop
            4 mins ago










          • @RoryAlsop you can not analyze the images of the failure mode without first capturing the failure mode images. It is an essential step. You can not analyze the telemetry data without receiving the telemetry data. This is also an essential step. You may not think it is the most interesting step, but I do. I'll add a bit more from the video to make this clearer.
            – uhoh
            1 min ago

















          • This doesn't appear to answer the question, which is not about camera tracking, but about failure mode analysis
            – Rory Alsop
            4 mins ago










          • @RoryAlsop you can not analyze the images of the failure mode without first capturing the failure mode images. It is an essential step. You can not analyze the telemetry data without receiving the telemetry data. This is also an essential step. You may not think it is the most interesting step, but I do. I'll add a bit more from the video to make this clearer.
            – uhoh
            1 min ago
















          This doesn't appear to answer the question, which is not about camera tracking, but about failure mode analysis
          – Rory Alsop
          4 mins ago




          This doesn't appear to answer the question, which is not about camera tracking, but about failure mode analysis
          – Rory Alsop
          4 mins ago












          @RoryAlsop you can not analyze the images of the failure mode without first capturing the failure mode images. It is an essential step. You can not analyze the telemetry data without receiving the telemetry data. This is also an essential step. You may not think it is the most interesting step, but I do. I'll add a bit more from the video to make this clearer.
          – uhoh
          1 min ago





          @RoryAlsop you can not analyze the images of the failure mode without first capturing the failure mode images. It is an essential step. You can not analyze the telemetry data without receiving the telemetry data. This is also an essential step. You may not think it is the most interesting step, but I do. I'll add a bit more from the video to make this clearer.
          – uhoh
          1 min ago


















           

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