Essays about: "Cooling fan noise"

Showing result 6 - 8 of 8 essays containing the words Cooling fan noise.

  1. 6. Efficient Volvo Bus Cooling System,Using Electrical Fans : A comparison between hydraulic and electrical fans

    University essay from KTH/Kraft- och värmeteknologi

    Author : Rita Fernandes; [2014]
    Keywords : hydraulic fan cooling system; electrical fan drive system; radiator; fan efficiency; fan shroud; static pressure; oil cooler; charge air cooler; built-in-resistance;

    Abstract : Economical and environmental factors together with energy policies towards more efficient systemsare the driving force for the development of the vehicle industry. Significant changes have beenmade to fulfill new emissions legislation but the basic internal combustion vehicle architecture hasbeen kept. READ MORE

  3. 7. Acoustic Fan Noise Cancellation in a Laptop Microphone System

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Anil Chokkarapu; [2012]
    Keywords : Wiener Beamformer; Spectral Subtraction; Filter Bank; Source Localization;

    Abstract : Speech communication involving audio conferencing, video conferencing, teleconferencing via laptops became greatly influenced in office environments i.e. between employer and employee, and also influenced in personal life meetings between friends or in-between parents and children. READ MORE

  4. 8. Thermal Optimization of Veo+ Projectors (thesis work at Optea AB) : Trying to reduce noise of the Veo+ projector by DOE (Design of Experiment) tests to find anoptimal solution for the fan algorithm while considering the thermal specifics of the unit

    University essay from Akademin för innovation, design och teknik

    Author : Cem Hizli; [2010]
    Keywords : Projector; thermal optimization; thermocouple; design of experiments; taguchi;

    Abstract : The Veo+ projector is using a cooling system that consists of fan and blowers. This system is cooling the electronic components of the device and the lamp of the projector, however extracting a high noise. To lower this noise the rpm speeds (rotational speed) of the fan and blowers should be decreased. READ MORE