Essays about: "Di Qi"

Found 3 essays containing the words Di Qi.

1. 1. Industry dependent performance of initial public offerings

   University essay from Göteborgs universitet/Graduate School

   Author : Mikael Högberg; Qi Li; [2019-07-02]
   Keywords : IPO; event study; performance; CAR; CAR; buy-and-hold;

   Abstract : We analyze abnormal returns of initial public offerings (IPOs) in different industries from 2007 to 2015 in the main Swedish markets. We find that IPOs outperform a sample of matching firms from the initial time period (first trading day) to the after-market period (a three-year period). READ MORE

3. 2. Development of a Shrouded SteamTurbine Flutter Test Case

   University essay from KTH/Kraft- och värmeteknologi

   Author : Ren Jinghe; [2017]
   Keywords : shrouded blade; flutter; hot-to-cold; CFD; höljet; fladdret; hot-to-cold; CFD;

   Abstract : A shrouded blade was designed as a test case for flutter analysis of steam turbine. Flutter is a self-excitedvibration. It can lead to dramatic blade loss and high-cycle fatigue. Shrouded blade is more complicated onflutter analysis, because the mode shapes are more complex with bending and torsion components atdifferent phases. READ MORE

4. 3. Establishment of an open 3D steam turbine flutter test case

   University essay from KTH/Energiteknik

   Author : Di Qi; [2016]
   Keywords : ;

   Abstract : An open three-dimensional (3D) flutter test case for steam turbines is presented. Unlike previous research on turbine flutter, the geometry is an open resource and is from a test case originally presented by Durham University. READ MORE