Results 1 to 10 of about 59,417 (344)

Prevalence and Grading of Rotator Cuff and Labral Injuries in Shoulder Pain and Instability using MRI: A Cross-sectional Study [PDF]

Journal of Clinical and Diagnostic Research, 2021
Introduction: Shoulder joint is a highly mobile joint but is prone for rotator cuff injuries and dislocations. It is necessary to accurately diagnose rotator cuff and labral injuries so that appropriate plan of action for treatment can be taken ...
Ashok Srikar Chowdhary, Naresh Babu Lakshmipathi Nikhil, Nidhi Hemendra Chandraka, Nidhi Raj Buddaraju   +3 more
doaj   +1 more source

Impact of Surface Roughness on the Impingement of Urea–Water Solution Droplets

Fluids, 2023
The understanding of impingement processes is crucial for optimizing automotive selective catalytic reduction (SCR) systems. An accurate description of this behavior helps design exhaust systems and increases the validity of modeling approaches.
Max Quissek, Thomas Lauer
doaj   +1 more source

Elucidation of target implant orientations with the safety range of hip rotation with adduction or abduction during squatting: Simulation based on in vivo replaced hip kinematics

Frontiers in Bioengineering and Biotechnology, 2022
Objectives: The study aimed to elucidate target cup orientation and stem anteversions to avoid impingement between the liner and stem neck even at hip rotation with adduction during the deeply flexed posture.Methods: A computer simulation analysis was ...
Satoru Harada, Satoshi Hamai, Satoshi Hamai, Satoru Ikebe, Daisuke Hara, Daisuke Hara, Hidehiko Higaki, Hirotaka Gondo, Shinya Kawahara, Kyohei Shiomoto, Tetsunari Harada, Yasuharu Nakashima   +11 more
doaj   +1 more source

Effect of Fatiguing Wheelchair Propulsion and Weight Relief Lifts on Subacromial Space in Wheelchair Users

Frontiers in Rehabilitation Sciences, 2022
ObjectiveThis study aimed to identify targets of intervention for reducing shoulder pain in wheelchair users with spinal cord injury (SCI) by (1) examining changes in subacromial space [acromiohumeral distance (AHD) and occupation ratio (OccRatio)] with ...
Ursina Arnet, Michael L. Boninger, Ann Cools, Fransiska M. Bossuyt, Fransiska M. Bossuyt   +4 more
doaj   +1 more source

A Comparison of Single-Entry and Multiple-Entry Casing Impingement Manifolds for Active Thermal Tip Clearance Control

International Journal of Turbomachinery, Propulsion and Power, 2021
In this paper, we compare using computational fluid dynamics the aero-thermal performance of two candidate casing manifolds for supplying an impingement-actuated active tip clearance control system for an aero-engine high-pressure turbine.
Priyanka Dhopade, Benjamin Kirollos, Peter Ireland, Leo Lewis   +3 more
doaj   +1 more source

A Review of Cooling Studies on Gas Turbine Rotor Blades with Rotation

Inventions, 2023
Increases in power density and thermal efficiency of a highly efficient gas turbine engine motivate an ever-mounting turbine entry temperature. The combined metallurgical and cooling advancements ensure the structural integrity of a gas turbine rotor ...
Shyy Woei Chang, Pey-Shey Wu, Ting-Yu Wan, Wei-Ling Cai   +3 more
doaj   +1 more source

SIMULATION OF WATER DROPLET IMPINGEMENT ON A HEATED SURFACE- SINGLE AND DOUBLE DROPLETS

Journal of Engineering and Sustainable Development, 2021
The present numerical work is concerned with the single drop and double drops impingement on a heated surface. Fluid flow and heat transfer coefficients were modeled using a volume of fluid (VOF) code. The stainless –steel thin plate surface is uniformly
Ruaa B. Namaa, Adnan A. Rasool
doaj   +4 more sources

Association of Chondrolabral Lesions with Ultrasound-Guided Detection of Pathological Head–Neck Contour

Diagnostics, 2023
Objective: This study aimed to investigate whether the asphericity of the neck–head junction of the femur confirmed via ultrasound is associated with further pathology due to femoro-acetabular impingement (FAI).
Christian T. Schamberger, Christopher Tuffs, Arnold J. Suda, Tobias Grossner, Gerhard Schmidmaier, Stephan Stein   +5 more
doaj   +1 more source

Acetabular Parameters in Adults and their Clinical Implications: A Cross-sectional Study [PDF]

International Journal of Anatomy Radiology and Surgery
Introduction: The hip bones comprise the ilium, ischium and pubis. The acetabulum is a bony part of the hip bone derived from the convergence of the ilium superiorly, the ischium posteriorly, and the pubis anteriorly. The dimensions of the acetabulum are
Mathivanan Dharmalingam, Nirmaladevi Murugesan   +1 more
doaj   +1 more source

A Comprehensive Review on the Core Thermal Management Improvement Concepts in Power Electronics

IEEE Access, 2020
A heat sink is a specific type of heat exchanger integrated with heat generating devices - mostly electronics - for the sake of thermal management. In the design procedure of heat sinks, several considerations such as manufacturing cost, reliability ...
Sina Lohrasbi, Rene Hammer, Werner Essl, Georg Reiss, Stefan Defregger, Wolfgang Sanz   +5 more
doaj   +1 more source