Sökning: "moving load"
Visar resultat 31 - 35 av 81 avhandlingar innehållade orden moving load.
31. Variable Valve Actuation in a Spark Ignition Engine - A Flow Field and Heat Release Study
Sammanfattning : The objective of this thesis was to find ways of improving part-load efficiency for a spark ignition engine by studying the effects of variable-valve actuation on fluid flow and combustion. The in-cylinder flow was measured with laser doppler velocimetry, LDV, and particle image velocimetry, PIV. LÄS MER
32. Patch loading resistance of plated girders : ultimate and serviceability limit state
Sammanfattning : Patch loading or partial edge loading of steel girder webs is a load case where a concentrated force is introduced perpendicular to the flange of a girder. This usually induces a local failure of the girder web in the vicinity of the loaded flange. LÄS MER
33. Lubrication of sliding bearings for hydropower applications
Sammanfattning : The term "sliding bearing" refers to types of bearing where two conformal surfaces (usually the stationary bearing and a moving shaft) slide relative to one another with load distributed directly across the interface. A suitable lubricant may be employed to reduce the friction between these two surfaces. LÄS MER
34. Assisted Tele-Remote Control of Wheel Loaders in Underground Mining
Sammanfattning : Tele-remote operation of mobile earth-moving machines in underground mines supported byoperator assistance functions is attractive for safety and productivity reasons. This way, operatorscan avoid hazardous underground environments with poor air quality and the productivitycan, in principle, be improved by saving the time required to commute drivers to and fromthe operational areas. LÄS MER
35. Dynamic Train-Turnout Interaction – Mathematical Modelling, Numerical Simulation and Field Testing
Sammanfattning : Two models for simulation of dynamic interaction between train and turnout are developed. The first one is derived using a commercial software for dynamics of multi-body systems. LÄS MER