Comparison of energy efficiency determination methods for the induction motors [PDF]
, 2017 In the paper the effects on the induction motor efficiency determination due to the introduction of the EU, USA, Canada, Japan and Russian Standards have been analyzed and discussed. Industrial induction motor has been tested and a comparison between the
Beyerlein (Beierlein), Evgeny Viktorovich +2 more
core +1 more source
Operational Influence on Thermal Behavior of High-Speed Helical Gear Trains [PDF]
, 2006 An experimental effort has been conducted on an aerospace-quality helical gear train to investigate the thermal behavior of the gear system as many important operational conditions were varied.
Handschuh, Robert F. +1 more
core +1 more source
The fabrication and test of a dual spin gas bearing reaction wheel [PDF]
The design and fabrication of a dual spin gas bearing reaction wheel are discussed. Numerical analyses, data, and conclusions from performance tests are reported.
Opper, R. L., Owen, W. J.
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Numerical Investigation of Rim Seal Flow in a Single-Stage Axial Turbine
EngThis study investigates rim seal flow in axial turbine configurations through a combined experimental–numerical approach, with the objective of identifying sealing-flow conditions that minimize ingestion while limiting aerodynamic losses.
Tuong Linh Nha +4 more
doaj +1 more source
Thermal management analyses of induction motor through the combination of air-cooling and an integrated water-cooling system. [PDF]
Sci Rep, 2023 Madhavan S +7 more
europepmc +1 more source
Experimental and analytical evaluation of efficiency of helicopter planetary stage [PDF]
The efficiency of a helicopter transmission planetary stage was studied both experimentally and analytically. Experiments were done by using a back-to-back, test-and-slave arrangement.
Krantz, Timothy L.
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Hemocompatibility and hemodynamic comparison of two centrifugal LVADs: HVAD and HeartMate3. [PDF]
Biomech Model Mechanobiol, 2023 Gil A, Navarro R, Quintero P, Mares A.
europepmc +1 more source
Jetting Phenomenon in Meshed Spur Gears [PDF]
Rotorcraft gearbox transmissions are required to efficiently transfer power from the turbine engine to the main and tail rotor blades. Losses in transmission efficiency impacts mission payload and aircraft range.
Delgado, Irebert, Hurrell, Michael
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The Jetting Phenomena in Meshed Spur Gears [PDF]
Rotorcraft gearbox transmissions are required to efficiently transfer power from the turbine engine to the main and tail rotor blades. Losses in transmission efficiency impact mission payload and aircraft range. These systems are expected to deliver high
Delgado, Irebert, Hurrell, Michael
core +1 more source
Baseline Experimental Results on the Effect of Oil Temperature on Shrouded Meshed Spur Gear Windage Power Loss [PDF]
Rotorcraft gearbox efficiencies are reduced at increased surface speeds due to viscous and impingement drag on the gear teeth. This windage power loss can affect overall mission range, payload, and frequency of transmission maintenance.
Delgado, Irebert R. +1 more
core +2 more sources