Results 11 to 20 of about 309,839 (206)
Reynolds Boundary Condition Approximation in Journal Bearings Based on Dynamic Mesh Method
Tribology Online, 2021 This paper proposed a new approach to Reynolds boundary condition approximation in journal bearing CFD analysis. Dynamic mesh method was applied to approach the location where the rupture of oil film or cavitation started.
Wanjun Xu +4 more
doaj +1 more source
AIP Advances, 2021 Branch tubes are often used in thermoacoustic engines (TAEs) for acoustic power extraction or acoustic field adjustment. Their roles, although critical for the performance of the thermoacoustic system, are not fully understood yet. To address this issue,
Geng Chen, Haitian Hao, Aidong Deng
doaj +1 more source
Thermal Hydraulic Modeling of Once-Through Steam Generator by Two-Fluid U-Tube Steam Generator Code [PDF]
, 2017 The THERMIT U-tube steam generator (THERMIT-UTSG) code was used for evaluation for the parametric study of a scaled once-through pressurized water reactor steam generator (OTSG) made by Babcock & Wilcox.
M. Rahgoshay +7 more
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Generator Kuis untuk Meningkatkan Hasil Belajar Siswa dalam Smart LMS
JOINS (Journal of Information System), 2021 Penelitian ini bertujuan mengembangkan salah satu fitur Learning Management System (LMS) terkait online assessment yaitu kuis. Salah satu fitur didalam LMS ini adalah tersedianya fasilitas kuis bagi mahasiswa yang dapat dilakukan sesuai jadwalnya secara ...
Dina Fitria Murad +2 more
doaj +1 more source
Adaptive Bandwidth Fourier Decomposition Method for Multi-Component Signal Processing
IEEE Access, 2019 Variational mode decomposition (VMD) is a practical signal decomposition approach, which extracts the modes through bandwidth optimization in the frequency domain.
Minqiang Deng +3 more
doaj +1 more source
Early warning signals of failures in building management systems
International Journal of Metrology and Quality Engineering, 2021 In the context of sensor data generated by Building Management Systems (BMS), early warning signals are still an unexplored topic. The early detection of anomalies can help preventing malfunctions of key parts of a heating, cooling and air conditioning ...
Mesa-Jiménez José Joaquín +3 more
doaj +1 more source
发电技术, 2022 When floating power stations use static frequency converters to black-start floating power station units, the harmonic effects are more serious than onshore power stations due to the isolated grid system and the limited electrical structure.
LIU Zhongkang +3 more
doaj +1 more source
Performance of multi-stage axial-flux machines with MMEs
The Journal of Engineering, 2019 This study covers the investigation into the reduction of rare-earth magnets in a permanent magnet (PM) machine via the use of multiple rotors to enable a PM generator to be comprised of mixed magnetic elements, hereafter referred to as MME, by ...
Anthony James Spargo
doaj +1 more source
Shock and Vibration, 2020 As a kind of rotor system, the electric spindle system is the core component of the precision grinding machine. The vibration caused by the mass imbalance is the main factor that causes the vibration of the grinding machine.
Wengui Mao +4 more
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Fluid flow measurement in rotor ventilation ducts
The Journal of Engineering, 2019 Engineers are constantly developing different ways to cool electrical machines more efficiently. Ventilation ducts/channels are common in the stators of large electrical machines.
Christopher Micallef +2 more
doaj +1 more source