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Most nonwoven products are subjected to a variety of loading rates ranging from low‐speed quasi‐static loads to high‐speed dynamic loads during their life cycles. Understanding their response to a wide range of loading rates is critical to proper usage and effects how rapidly one can process them. In this work quasi‐static to high strain rate experiments (10−3 to 100 to 400 strain/s) are investigated...
Introduction Propionic acidemia (PA) and methylmalonic acidemia (MMA) are rare autosomal recessive inborn errors of metabolism characterized by hyperammonemia due to N-acetylglutamate synthase (NAGS) dysfunction. Carglumic acid (Carbaglu®; Orphan Europe Ltd.) is approved by the US Food and Drug Administration (USFDA) for the treatment of hyperammonemia due hepatic NAGS deficiency. Here we report the...
This study investigates the effect of different skewing methods and angles for switched reluctance machines (SRM) having high pole count using multiphysics simulations. A 24/16 SRM is modeled for each skewing method and different skewing angles using 3D electromagnetic finite element analysis (FEA). Mechanical and acoustical analyses are performed to evaluate the effectiveness of different skewing...
Asymmetric half bridge (AHB) converter provides flexibility in the control of switched reluctance machine (SRM). However, because of the non-standard structure of the AHB converter, limited volume production leads to high cost of the driving system. Delta-connected SRM with series diodes driven by three phase full-bridge inverter was proposed as an alternative by the researchers. However, the conduction...
High vibration and acoustic noise are known to be the most dominant disadvantages for utilizing SRMs in Hybrid electric vehicles or home appliance applications. One of the methods for mitigating these disadvantages is to introduce windows in the SRM structure to reduce the magnitude of the radial force responsible for stator deformation. Previous studies are focused on introducing windows in the rotor...
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