Results 151 to 160 of about 15,748 (277)

Blade vibration parameter identification method based on blade tip-timing signals

Journal of Physics: Conference Series
Abstract Blade Tip Timing (BTT) is a widely used non-contact technology for vibration monitoring in rotating machinery. Due to its inherent issue of undersampling, traditional frequency identification methods often struggle to accurately identify asynchronous vibration frequencies of the blades. To address this issue, this paper proposes
openaire   +1 more source

Methods for Validation of a Turbomachinery Rotor Blade Tip Timing System

, 2014
This research developed two innovative test methods that were used to experimentally evaluate the performance of a novel blade tip timing (BTT) system from Prime Photonics, LC.
Pickering, Todd Michael
core  

Arthroscopic Segmental Labral Reconstruction Using a Presutured Iliotibial Band Allograft Soaked in Bone Marrow Aspirate Concentrate

Arthroscopy Techniques, EarlyView.
Abstract Labral reconstruction is a surgical procedure in which a graft is used to replace irreparable acetabular labral tissue. Biologic augmentation with bone marrow aspirate concentrate harvested from the ipsilateral iliac crest is increasingly used to enhance graft incorporation and potentially improve functional outcomes, especially in patients ...
Jacob D. Kodra, Arthur Saroyan, Kevin Lord, Andrew Schab, Jeremy K. Ansah‐Twum, Jon Salandra, Renato Locks, Andrew E. Jimenez   +7 more
wiley   +1 more source

Open Lateral Retinacular Lengthening During an “À La Carte” Step‐by‐Step Surgical Approach for Habitual Patellar Dislocation

Arthroscopy Techniques, EarlyView.
Abstract Habitual patellar dislocation is rare and primarily characterized by superolateral soft‐tissue contractures. The surgical approach described focuses on a step‐by‐step, “à la carte”, release of these contractures. The algorithm and technique described here offer a reproducible surgical strategy applicable to both skeletally immature and mature ...
David Mazy, Gautier Beckers, Amanda Vanasse, Julie Mazy, Alexis Rousseau‐Saine, Marie‐Lyne Nault   +5 more
wiley   +1 more source

Arthroscopic All‐Epiphyseal Button and Anchor Technique Anterior Cruciate Ligament Repair With a Collagen‐Based Implant

Arthroscopy Techniques, EarlyView.
Abstract We describe a modified technique for anterior cruciate ligament (ACL) repair in skeletally immature patients with the bridge‐enhanced ACL restoration (BEAR) implant (Miach Orthopaedics) utilizing an arthroscopic, all‐epiphyseal approach. This technique uses a button on the proximal tibial epiphysis and an extra‐articular knotless anchor on the
Sean Keyes, Katelyn Smith, Braden Woo
wiley   +1 more source

Blade Tip Timing Technique: Theoretical Principles and Simulation of an Experimental Test

, 2015
The Blade Tip Timing (BTT) is a technique that measures the vibration amplitude and frequency of the blades of bladed disks by using a set of probes. The objective of the thesis is to compare the accuracy of the different methods proposed in literature ...
Giovanni Rigosi (7985789)
core  

Proximal Fibular Osteotomy: A Refined Surgical Technique for Medial Compartment Knee Osteoarthritis

Arthroscopy Techniques, EarlyView.
Abstract Proximal fibular osteotomy is a minimally invasive and cost‐effective option for medial compartment knee osteoarthritis. This refined technique, performed under spinal anesthesia using Henry's posterolateral approach, involves a small incision approximately 10 cm distal to the fibular head, careful dissection through the peroneus longus plane,
Mohammad Ayati Firoozabadi, Mohammad Rastegar, Pouya Tabatabaei Irani, Rahmatullah Azimi, Armin Akbarzadeh, Seyed Mohammad Javad Mortazavi   +5 more
wiley   +1 more source

Avoiding Femoral Tunnel Convergence and Graft Damage While Performing Anterior Cruciate Ligament Reconstruction With Lateral Extra‐articular Tenodesis

Arthroscopy Techniques, EarlyView.
Abstract Lateral extra‐articular tenodesis (LET) procedures have become increasingly popular in recent years as adjuncts to anterior cruciate ligament (ACL) reconstruction. One potential complication of combining LET with ACL reconstruction is tunnel convergence, which can lead to inadvertent loss of femoral ACL graft fixation.
Matthew Frederickson, Shannon Tse, Abby Viglione, Cassandra A. Lee, Ryan D. Freshman   +4 more
wiley   +1 more source

A Method for Optical Quantification of Local Oxygen Limitations in Multiphase Bioreactors

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Spatial oxygen limitation is a major source of physiological stress and metabolic, scale‐dependent heterogeneity in aerobic bioprocesses. In gas‐liquid stirred tank reactors, oxygen availability is governed by hydrodynamics and mass transfer and is therefore inherently non‐uniform.
Ryan Rautenbach, Katharina Zörner, Jonas Barczyk, Marko Hoffmann, Ralf Takors, Michael Schlüter   +5 more
wiley   +1 more source

In Situ Dynamic Measurement of Blade Collision Warning Parameters for Coaxial Twin-Rotor Helicopters. [PDF]

Sensors (Basel)
Zheng W, Qiu Z.
europepmc   +1 more source