Sökning: "friction diameter"

Visar resultat 16 - 20 av 28 avhandlingar innehållade orden friction diameter.

  1. 16. Design of composite structures containing bolt holes and open holes

    Författare :Tomas Ireman; KTH; []
    Nyckelord :;

    Sammanfattning : This thesis is concerned with stress analysis and strengthprediction in composite laminates containing bolt holes andopen holes. It covers both two- and three-dimensional analyses,and experiments have been carried out to determine criteriaparameters and to validate the analysis methods. LÄS MER

  3. 17. An Experimental and Numerical Study of Heat Transfer and Pressure Drop on the Bend Surface of a U-duct

    Författare :Tareq Salameh; Värmeöverföring; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : This work concerns experimental and numerical studies of pressure drop and heat transfer for turbulent flow inside a U-duct and in particular the bend part. Such duct geometries can be found in many engineering applications where cooling air extracts heat from hot internal walls of the duct, e.g., passage cooling inside gas turbine blades. LÄS MER

  4. 18. Single Phase Convective Heat Transfer with Nanofluids : An Experimental Approach

    Författare :Ehsan Bitaraf Hgahighi; Björn E. Palm; Elena V. Timofeeva; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nanofluid; convective heat transfer; thermal conductivity; viscosity; heat transfer coefficient; performance; pumping power; Reynolds number; shelf stability;

    Sammanfattning : Nanofluids (NFs) are engineered colloids of nanoparticles (NPs) dispersed homogenously within base fluids (BFs). Due to the presence of NPs, the thermophysical and transport properties of BFs are subject to change. LÄS MER

  5. 19. ONSHORE WINDMILL FOUNDATIONS - Evaluation of new proposals

    Författare :Wael Mahmoud Mohamed Mohamed; Byggnadsmekanik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Onshore windmill foundations; Reuse of foundations; Active stabilisation systems; Conical footings;

    Sammanfattning : Windmill structures must withstand very high horizontal loading giving an extremely large overturning moment on the foundation. These structures have very low stability loads in comparison to the overturning loads. LÄS MER

  7. 20. Coining Residual Stresses in Aluminium Ship Structures: Experiments and FE- simulations

    Författare :Rutger Ogeman; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The build-up and redistribution of residual stresses obtained by stress coining of aluminium plates containing a hole have been studied experimentally and numerically. The foil strain gauge technique has been employed to measure strains at the bore of a hole during and after the coining process. LÄS MER