Sökning: "said zahrai"

Hittade 2 avhandlingar innehållade orden said zahrai.

1. 1. Mechanical models for electrical cables

   Författare :Kenta Inagaki; Said Zahrai; Mårten Olsson; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical cable; Industrial robot; Multi order helical struc- ture; mechanical model; fatigue; Fluid mechanics; Strömningsmekanik;

   Sammanfattning : A theoretical and experimental study of mechanical properties of electrical cables with multi order helical structure has been performed. Relations between applied deformations and local strains in the first order helical structure have been developed. LÄS MER

3. 2. CFD in the design of gas quenching furnace

   Författare :Olivier Macchion; Said Zahrai; Bengt Sunden; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Numerical analysis; Gas quenching; modeling; CFD; gas mixtures; uniformity.; Numerisk analys; Numerical analysis; Numerisk analys;

   Sammanfattning : This thesis focuses on the numerical and theoretical studies of gas quenching in industrial furnaces. Gas quenching is the rapid cooling of metal pieces, aiming at forcing a phase transformation of the metal structure to improve its mechanical properties. LÄS MER