Results 191 to 200 of about 4,542 (246)

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang   +3 more
wiley   +1 more source

Protocol to interrogate the role of creeping fat and mechanical tension in Crohn's disease using a surgical mouse model of intestinal fibrosis. [PDF]

open access: yesSTAR Protoc
Suh EJ   +10 more
europepmc   +1 more source

Tagging Very Small Fish: Two Effective and Low Impact Methods. [PDF]

open access: yesJ Exp Zool A Ecol Integr Physiol
Bradley DD   +4 more
europepmc   +1 more source

Blade Crack Detection using Blade Tip Timing

IEEE Transactions on Instrumentation and Measurement, 2021
The harsh working environment of compressor threats the integrality of bladed disk. Crack is one of the most fatal faults of rotating blades. Detecting the crack of blades at early stage could ensure the safe operation of gas turbine and save economic costs.
Shuming Wu   +7 more
openaire   +1 more source

OPR-free single probe blade tip timing for monitoring rotating blade

International Journal of Mechanical Sciences, 2023
Xuefeng Chen, Ruo-Bin Sun, Zhibo Yang
exaly   +2 more sources

An OPR-Free Blade Tip Timing Method for Rotating Blade Condition Monitoring

IEEE Transactions on Instrumentation and Measurement, 2021
Blade tip timing (BTT) is a noncontact blade vibration measurement method for rotating blade condition monitoring. However, it is difficult to install a once-per-revolution (OPR) probe due to the internal environment limitation of an engine. To solve this problem, an OPR-free BTT method is proposed in this article.
Zengkun Wang   +7 more
openaire   +1 more source

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