Search for dissertations about: "gear noise"

Showing result 6 - 10 of 11 swedish dissertations containing the words gear noise.

  1. 6. Contact mechanics and noise in gears

    University dissertation from Linköping : Linköpings universitet

    Author : Olle Lundvall; Linköpings universitet.; Linköpings universitet.; [2004]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY; TEKNIKVETENSKAP;

    Abstract : In this thesis, recent findings in the area of computational contact mechanics are applied to gear technology. The focus of this application is gear noise. One of the main goals is to calculate the so called transmission error, which is a measure that relates structural properties of a gear to gear noise. READ MORE

  2. 7. On Noise Generation and Dynamic Transmission Error of Gears

    University dissertation from Stockholm : KTH

    Author : Mats Henriksson; KTH.; [2009]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Engineering mechanics Vehicle engineering; TEKNIKVETENSKAP Teknisk mekanik Farkostteknik; TECHNOLOGY Engineering physics Acoustics; TEKNIKVETENSKAP Teknisk fysik Akustik;

    Abstract : Noise from heavy trucks is an important environmental issue. Several sources contribute to the total noise level of a vehicle, such as the engine, gearbox, tires, etc. The tonal noise from the gearbox can be very disturbing for the driver, even if the noise level from the gearbox is lower than the total noise level. READ MORE

  3. 8. On Contact Mechanisms and Mechanical Transmission Performance

    University dissertation from Stockholm : KTH

    Author : Lars Maclennan; Lunds universitet.; Lund University.; [2004]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; vacuum technology; vibration and acoustic engineering; Maskinteknik; hydraulik; vakuumteknik; vibrationer; akustik; hydraulics; Mechanical engineering; artificial neural network; experimental study; disc brake; dynamic analysis; shaft; Spur gear;

    Abstract : This thesis consists of four papers, which treat the modelling of a spur gear set and a disc brake, and the interaction between the machine elements. Features of the performance are studied in relation to the initial stated assumptions. READ MORE

  4. 9. Efficiency and wear properties of spur gears made of powder metallurgy materials

    University dissertation from KTH Royal Institute of Technology

    Author : Li Xinmin; KTH.; [2016]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Powder Metallurgy Gears; Efficiency; Wear; Friction; Porosity Structure; FZG gear test rig; Machine Design; Maskinkonstruktion;

    Abstract : Powder metallurgy (PM) is usually used in manufacturing parts with complex geometries, such as gears and structural parts. The main attractions of PM are the high rate of material utilization, environmental friendliness of production, economic advantages (especially for complex geometries), and possibility of obtaining lighter components. READ MORE

  5. 10. Multistage gearboxes vibration based quality control

    University dissertation from Stockholm : KTH

    Author : Johan Wändell; KTH.; [2006]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Engineering physics Acoustics; TEKNIKVETENSKAP Teknisk fysik Akustik;

    Abstract : In this thesis, vibration based techniques for detection of localised surface damages in multistage gearboxes are presented and evaluated.A modern vehicle gearbox is a complex system and the number of potential errors is large. For instance, surface damages can be caused by rough handling during assembly. READ MORE