Advancements in Designing, Producing, and Operating Off-Earth Infrastructure [PDF]
, 2021 Sending humans to the Moon and Mars in the near future requires appropriate infrastructure to support and subsequently sustain human activities. This includes infrastructure to shield from environmental conditions, generate energy, and facilitate ...
Bier, Henriette +2 more
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The stress distribution in the joints of vehicles chassis frames subject to torsion [PDF]
, 1978 The problem of warping inhibition in the joints, of commercial vehicle chassis frames is very important for the estimation. of stress distribution in the joints and the overall torsional stiffness of frames.
Alvi, M. S. I.
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Design and Method in Architectural Research: From Objective Quantification to Material Speculation [PDF]
, 2023 This issue of SPOOL introduces a new thread: ‘Method and Design’, titled “Design and Method in Architectural Research: From Objective Quantification to Material Speculation”.
Schrijver, Lara +3 more
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Spool Seal Design and Testing for the Spool Compressor [PDF]
, 2012 Several seals, designed to minimize leakage between the rotating spool assembly’s endplates and the stationary compressor housing, are introduced, constructed and tested. Some designs are deemed impractical due to either high leakage or high torque.
Bradshaw, Craig +3 more
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A Comprehensive Model of a Novel Rotating Spool Compressor [PDF]
, 2012 A comprehensive simulation model of a novel rotating spool compressor is presented. The spool compressor provides a new rotating compression mechanism with easily manufactured components.
Bradshaw, Craig +3 more
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Phase-compensation-based dynamic time warping for fault diagnosis using the motor current signal [PDF]
, 2012 Dynamic time warping (DTW) is a time-domain-based method and widely used in various similar recognition and data mining applications. This paper presents a phase-compensation-based DTW to process the motor current signals for detecting and quantifying ...
Gu, Fengshou +11 more
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A Study of Non-stationary Signal Processing for Machinery Condition Monitoring [PDF]
Machinery condition monitoring techniques are carried out based on the knowledge of the characteristics of signals obtained from a machine or plant. These signals are often non stationary signals whose frequency changes over time due to the time-varying ...
Zhen, Dong
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Performance and Operating Characteristics of a Novel Rotating Spool Compressor [PDF]
, 2012 The basic mechanism of the novel rotary spool compressor has been described previously by Kemp et al. (2008, 2010). The device combines various aspects of rotary and reciprocating devices currently well understood to achieve high efficiency at a low ...
Bradshaw, Craig +3 more
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Fault diagnosis of motor drives using stator current signal analysis based on dynamic time warping [PDF]
, 2013 Electrical motor stator current signals have been widely used to monitor the condition of induction machines and their downstream mechanical equipment. The key technique used for current signal analysis is based on Fourier transform (FT) to extract weak ...
Gu, Fengshou +6 more
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Spool Compressor Tip Seal Design Considerations and Testing [PDF]
, 2012 The simple analysis, design, construction and testing of the spool compressor’s tip seal is presented. Analysis yields key design considerations for seal geometry, preloading and pressure balance.
Bradshaw, Craig +3 more
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