DX Upper treehouse measurements with fan on/off

  • Note that turning the treehouse fan on or off does not introduce a dominant peak at the fan frequency. Instead there is a rise of the

Below Fan Enclosure

Acceleration

  • Acceleration PSD from surface near bottom of fan enclosure:
    Paa_00.jpg

  • Acceleration PSD from surface near bottom of fan enclosure (fwd sum):
    Paa_fwd_00.jpg

Displacement

  • Displacement PSD from surface near bottom of fan enclosure:
    Pxx_00.jpg

  • Displacement PSD from surface near bottom of fan enclosure (fwd sum):
    Pxx_fwd_00.jpg

  • Displacement PSD from surface near bottom of fan enclosure (to 100-Hz):
    Pxx_02.jpg

  • Displacement PSD from surface near bottom of fan enclosure (fwd sum; to 100-Hz):
    Pxx_fwd_02.jpg

  • Displacement PSD from surface near bottom of fan enclosure (fwd sum; to 100-Hz; linear ):
    Pxx_fwd_04.jpg

Above Fan Enclosure

Acceleration

  • Acceleration PSD from surface near top of fan enclosure:
    Paa_01.jpg

  • Acceleration PSD from surface near top of fan enclosure (fwd sum):
    Paa_fwd_01.jpg

Displacement

  • Displacement PSD from surface near top of fan enclosure:
    Pxx_01.jpg

  • Displacement PSD from surface near top of fan enclosure (fwd sum):
    Pxx_fwd_01.jpg

  • Displacement PSD from surface near top of fan enclosure (to 100-Hz):
    Pxx_03.jpg

  • Displacement PSD from surface near top of fan enclosure (fwd sum; to 100-Hz):
    Pxx_fwd_03.jpg

  • Displacement PSD from surface near top of fan enclosure (fwd sum; to 100-Hz; linear ):
    Pxx_fwd_05.jpg

-- JorgeEsguerra - 24 Jun 2010

I Attachment Action Size Date Who Comment
DX_Upper_Treehouse_Fan.pptxpptx DX_Upper_Treehouse_Fan.pptx manage 4 MB 24 Jun 2010 - 06:53 UnknownUser Summary and pictures of DX upper treehouse fan
Topic revision: r3 - 24 Jun 2010, JorgeEsguerra
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