Aineistot 41-50 / 635
Experimental study of centrifugal compressor vaneless diffuser width
(Korean Society of Mechanical Engineers, 2013)
Seven different vaneless diffuser designs for a centrifugal compressor, varying only in diffuser width, were studied experimentally. The studied diffuser widths versus impeller exit width were 1.0, 0.903, 0.854, and 0.806. ...
Design and Drive-Cycle Based Analysis of Direct-Driven Permanent Magnet Synchronous Machine for a Small Urban Use Electric Vehicle
A direct-driven permanent magnet synchronous machine for a small urban use electric vehicle is presented. The measured performance of the machine at the test bench as well as the performance over the modified New European ...
(SAGE Publications, 2016)
Ball Bearing Model Performance on Various Sized Rotors with and without Centrifugal and Gyroscopic Forces
Bearing performance signi cantly a ects the dynamic behaviors and estimated working life of a rotating system. A common bearing type is the ball bearing, which has been under investigation in numerous published studies. ...
Evaluation of methods for estimating energy performance of biogas production
This study focused on identifying various system boundaries and evaluating methods of estimating energy performance of biogas production. First, the output-input ratio method used for evaluating energy performance from the ...
Evaluation of the Efficiency of Line-Start Permanent-Magnet Machines as a Function of the Operating Temperature
The standard squirrel-cage induction machine has nearly reached its maximum efficiency. In order to further increase the energy efficiency of electrical machines, the use of permanent magnets in combination with the robust ...
Effect of loading type on the fatigue strength of asymmetric and symmetric transverse non-load carrying attachments
This study considers the effect of bending loading and the symmetry of joints on the fatigue strength of transverse non-load carrying attachments. Conventionally, the fatigue strength of a welded joint has been determined ...
Towards a better energy efficiency through a systems approach in an industrial forklift
(SAGE Publications, 2014)
The purpose of this study is to improve the potential energy recovery to electric energy in an electrohydraulic forklift system. The initial achieved result for energy saving ratio after structural optimization is 40 %. ...
Determination of the thermal parameters of high-power batteries by local heat
A new approach to the determination of the thermal parameters of high-power batteries is introduced here. Application of local heat flux measurement with a gradient heat flux sensor (GHFS) allows determination of the cell ...
Effect of heat input on the mechanical properties of welded joints in high strength steels
(Taylor & Francis, 2015)
Experiments were carried out to determine the properties of the welded joints in 8mm thick high-strength steels produced by quenching and tempering and thermomechanical rolling with accelerated cooling (tensile strength ...