25.Unsteady Flow Interactions Within the Inlet ... - Limmat Scientific AG
variation in the gap has a major effect on flow structures and turbine loss. ... different than the steady model as proposed by Pfau et al. . In the present work ..... Traupel. ¯. ¯. 0.52. Journal of Turbomachinery. OCTOBER 2005, Vol. 127 / 683 ...
26.GAS TURBINE TUTORIAL-MAINTENANCE AND OPERATING ...
requirements for particle removal, pressure loss, cost, and service life, for various ..... losses are approximately linear with the clearance (Traupel, 1988) and there ..... that models the gas turbine or manufacturer-supplied performance curves.
27.MAXIMIZING MULTISTAGE TURBINE EFFICIENCY BY ... - MAIDROC
an inviscid code with high ﬁdelity distributed losses. The loss model developed by Traupel (1988) was adapted to 2-D calcula- tions and applied in order to ...
28.Simulation of the Dynamic Behavior of Steam Turbines with Modelica
adjusted to the necessary model depth as described in this paper. Steam turbines in a .... mola/Modelica model the pressure loss over the re- heater is calculated according to ....  Traupel W. Thermische Turbomaschinen II.,. 3. edition. Berlin ...
29.Rotordynamic Forces Due to Turbine Tip Leakage: Part I I — Radius ...
This paper presents a radius scale actuator disk model, which describes the flow response to a ... ing for the localized effects (e.g., losses) associated with the ...... Traupel. +0.8-+0.9. +1.9. +3.5. Farokhi. +1.0. +1.9. +3.5. Dunham & Came. +1.7 ...
ROTORDYNAMIC FORCES DUE TO TURBINE TIP LEAKAGE (PART2-RADIUS SCALE EFFECTS AND EXPERIMENTAL VERIFICATION)
30.Modelling of steam turbines for mixed integer nonlinear ...
turbine modelling discussed in this paper are the more ... and the exhaust losses at the end of the turbine to the model. In addition, the ......  W Traupel.
31.Numerical modelling of small supersonic axial flow turbines - Doria
Five axial gaps (axial space between stator and rotor) are modelled using three- ..... 2.2: An example of the velocity triangles of a Curtis turbine stage (Traupel ( 1977)). ... which reduced secondary losses, 2) weakened shock system in the stator ...
32.Conventional water/steam cycle - Cycle-Tempo
The calculations demonstrate in particular a few options of the models for steam ... drop of the live steam (4% of inlet pressure HP-turbine) (pipe 37) and the throttling losses of .... turbine-inlet pressure can be calculated with Traupel's formula.