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  • Users: ehestnes
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  1. ehestnes

    Airflow direction for cooling acoustic engine enclosures

    We have engines installed in acoustic enclosures. The noise inside is up to 120 dBA and we reduce this to 82dBA (Average) The rooms are cooled by a cooling fan. For our application we require approximately 1.7 m^3/s airflow, so it is significant. (ducting etc is kept large enough to have max air...
  2. ehestnes

    Testing of silver soldered joints

    We have a large fleet of Nitrogen hoses that has a brass end connector fitted onto it. This brass end connector are silver soldered to the hose end pipe. Brass end are smallest part. Currently we are doing this without any other means of Q.C than pressure testing and using high skilled welders...

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