Explore: Fan Noise

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Source: The Open Library

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1Broadband noise of fans-with unsteady coupling theory to account for rotor and stator reflection/transmission effects

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“Broadband noise of fans-with unsteady coupling theory to account for rotor and stator reflection/transmission effects” Metadata:

  • Title: ➤  Broadband noise of fans-with unsteady coupling theory to account for rotor and stator reflection/transmission effects
  • Author:
  • Language: English
  • Number of Pages: Median: 86
  • Publisher: ➤  Available from NASA Center for Aerospace Information - National Aeronautics and Space Administration, Glenn Research Center
  • Publish Date:
  • Publish Location: ➤  [Cleveland, Ohio] - Hanover, MD

“Broadband noise of fans-with unsteady coupling theory to account for rotor and stator reflection/transmission effects” Subjects and Themes:

Edition Identifiers:

Access and General Info:

  • First Year Published: 2001
  • Is Full Text Available: No
  • Is The Book Public: No
  • Access Status: No_ebook

Online Access

Downloads Are Not Available:

The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.

Online Borrowing:

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    2Linearized unsteady aerodynamic analysis of the acoustic response to wake/blade-row interaction

    By

    “Linearized unsteady aerodynamic analysis of the acoustic response to wake/blade-row interaction” Metadata:

    • Title: ➤  Linearized unsteady aerodynamic analysis of the acoustic response to wake/blade-row interaction
    • Author:
    • Language: English
    • Publisher: ➤  Available from NASA Center for Aerospace Information - National Aeronautics and Space Administration, Glenn Research Center
    • Publish Date:
    • Publish Location: ➤  Hanover, MD - [Cleveland, Ohio]

    “Linearized unsteady aerodynamic analysis of the acoustic response to wake/blade-row interaction” Subjects and Themes:

    Edition Identifiers:

    Access and General Info:

    • First Year Published: 2001
    • Is Full Text Available: No
    • Is The Book Public: No
    • Access Status: No_ebook

    Online Access

    Downloads Are Not Available:

    The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.

    Online Borrowing:

      Online Marketplaces

      Find Linearized unsteady aerodynamic analysis of the acoustic response to wake/blade-row interaction at online marketplaces:



      Wiki

      Source: Wikipedia

      Wikipedia Results

      Search Results from Wikipedia

      Fan (machine)

      of fan speed; halving speed reduces noise by about 15 dB. The perceived loudness of fan noise also depends on the frequency distribution of the noise. This

      Computer fan control

      to provide adequate cooling, and different fan control mechanisms balance their cooling capacities and noise they generate. This is commonly accomplished

      Turbofan

      noise associated with jet flow, the aerospace industry has sought to disrupt shear layer turbulence and reduce the overall noise produced. Fan noise may

      Artificial noise

      pollution. These noises are an unintended consequence of urban development and can affect the quality of life for residents. Initially, fan noise in sports came

      Propfan

      reduction in fuel consumption over turbo-fan powered MD-80, full Stage 3 noise compliance, and low levels of interior noise/vibration. The GE36 would have the

      Aircraft noise pollution

      noise—rotation of the engine parts, most noticeable when fan blades reach supersonic speeds. Aerodynamic noise—from the airflow around the surfaces of the aircraft

      Computer fan

      given fan. Where noise is an issue, larger, slower-turning fans are quieter than smaller, faster fans that can move the same airflow. Fan noise has been

      Mini-ITX

      architecture, which made them useful for home theater PC systems, where fan noise can detract from the cinema experience. The four mounting holes in a Mini-ITX

      Quiet PC

      hence noise. The main causes of PC noise are: Mechanical friction generated by disk drives and fan bearings Vibration from disk drives and fans Air turbulence

      Overclocking

      50 dB or more of noise. When maximum cooling is not required, in any equipment, fan speeds can be reduced below the maximum: fan noise has been found to