Experimental Investigation on the Development Process of Large-Scale Low-Speed Stall Disturbance in Contra-Rotating Compressor
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Science"
DOI: 10.1007/s11630-020-1341-z
Abstract: In order to better understand the stall process of a contra-rotating compressor, the detailed characteristic and multi-channel unsteady pressure signals have been achieved by a special layout of high-frequency response pressure sensors. The array consists… read more here.
Keywords: compressor; stall; speed; process ... See more keywords
Effect of Contra-Rotating Basecutter Parameters on Basecutting Losses
Sign Up to like & getrecommendations! Published in 2020 at "Sugar Tech"
DOI: 10.1007/s12355-020-00856-5
Abstract: Basecutter of sugarcane chopper harvester plays an important role in reducing the harvesting losses and the stubble damage rate. Previous studies have shown that the parameters of contra-rotating basecutter could be optimized for better cutting… read more here.
Keywords: rotating basecutter; sugarcane; effect; basecutting losses ... See more keywords
Analyzing Interaction Noise from a Small Contra-Rotating Fan Enclosed with Lined and Unlined Casings
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Aerospace Engineering"
DOI: 10.1061/(asce)as.1943-5525.0001285
Abstract: AbstractThe interaction noise that radiates from ducted contra-rotating (CR) fans are theoretically characterized using Green’s analytical functions for lined and unlined circular ducts containing ... read more here.
Keywords: lined unlined; noise small; interaction noise; contra rotating ... See more keywords
Enhancing the roll dynamics of an AUV by contra-rotating-propellers
Sign Up to like & getrecommendations! Published in 2020 at "Ships and Offshore Structures"
DOI: 10.1080/17445302.2020.1786233
Abstract: ABSTRACT Roll control of the Autonomous Underwater Vehicles (AUVs) is a significant issue in the current field of research for many researchers in the subject of AUV control system designation. Especially at higher speeds, the… read more here.
Keywords: rotating propellers; system; roll; roll dynamics ... See more keywords
Numerical investigation of differential speed operation of two impellers of contra-rotating axial-flow fan
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DOI: 10.1177/1687814017720083
Abstract: A contra-rotating axial-flow fan is prone to stalling and motor overload at partial flow rates. Moreover, its efficiency decreases sharply at a high flow rate, which is accompanied by disparity between the shaft powers of… read more here.
Keywords: rotating axial; flow; speed; fan ... See more keywords
Sugarcane Cutting Quality Using Contra-Rotating Basecutters
Sign Up to like & getrecommendations! Published in 2019 at "Transactions of the ASABE"
DOI: 10.13031/trans.12716
Abstract: Abstract. The basecutter is a key component of a sugarcane harvester, and its performance affects cane basecutting quality. This quality is an important indicator of harvester performance because good cutting quality can reduce cane loss… read more here.
Keywords: rotating basecutter; cane; basecutter; cutting quality ... See more keywords
Investigation of the Interaction Tones Produced by Contra-Rotating Unmanned Aerial Vehicle Rotor Systems
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DOI: 10.2514/1.j062531
Abstract: This paper investigates the interaction tones produced by the periodic unsteady loading on the blades of two different contra-rotating unmanned aerial vehicle (UAV) rotor systems using computational, analytical, and experimental methods. Computational fluid dynamics (CFD)… read more here.
Keywords: interaction; tones produced; unsteady loading; rotor ... See more keywords
Effect of the Radial Velocity Distribution on the Loss Generation of a Contra-Rotating Fan in a Ventilation System
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DOI: 10.3390/e25030433
Abstract: Quantification of the loss generation of ducted contra-rotating fan (CRF) blades is difficult to achieve, since there are no guide vanes between rotors. A blade design program was established to investigate the relationship between radial… read more here.
Keywords: loss; velocity distribution; radial velocity; distribution ... See more keywords