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  1. Journal of Mechanical Science and Technology
  2. Journal of Mechanical Science and Technology : Volume 29
  3. Journal of Mechanical Science and Technology : Volume 29, Issue 12, December 2015
  4. Numerical study on proximal ischemia
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Journal of Mechanical Science and Technology : Volume 31
Journal of Mechanical Science and Technology : Volume 30
Journal of Mechanical Science and Technology : Volume 29
Journal of Mechanical Science and Technology : Volume 29, Issue 12, December 2015
The effects of a spray slurry nozzle on copper CMP for reduction in slurry consumption
Investigation of thermoplastic hot embossing process using soft polydimethylsiloxane (PDMS) micromold
Fast stabilization of web tension in drying process of roll-to-roll printing equipment for printed electronics
Muscle activity and spinal loading in lifting symmetrical loads beside the body compared to in front of the body
A study on modeling customer preferences for conceptual design
Improvement of structural design accuracy using a casting-structural interface (CSI) method in large-scale sand castings
Manufacture of a large-sized flat panel airlift photobioreactor (FPA PBR) case with characteristic shapes using a thermoforming process
Superhydrophobic hierarchical structures produced through novel low-cost stamp fabrication and hot embossing of thermoplastic film
Verification of product design using regulation knowledgebase and Web services
The effect of cryogenic cooling and minimum quantity lubrication on end milling of titanium alloy Ti-6Al-4V
An investigation into the anti-releasing performance of a serrated bolt
Research for improved flexible tactile sensor sensitivity
Slicing algorithms for multi-axis 3-D metal printing of overhangs
Aiming error analysis of guns in ground combat vehicles operating on bumpy roads
Case study: Hybrid model for the customized wrist orthosis using 3D printing
A component mode synthesis method for 3-D finite element models of aero-engines
Analysis of vibro-impacts in a torsional system under both wide open throttle and coast conditions with focus on the multi-staged clutch damper
Experimental investigation of friction noise in lead screw system under mode-coupling
Optimal design of planar slider-crank mechanism using teaching-learning-based optimization algorithm
Temporal and spectral characteristics of BSR noises and influence on auditory perception
Dynamic analysis of the machine drive system
Ultrasonic signal analysis according to laser ultrasound generation position for the detection of delamination in composites
Influence of heat treated microstructures on the dynamic deformation characteristics of Ti-6Al-4V alloy
The effect of mechanical properties on hole flangeability of stainless steel sheets
Crack initiation and propagation under fretting fatigue of inconel 600 alloy
A computational study on the influence of a bleed slot on the flowfield of a bump-type inlet
Effect of the number of blades on the performance and cavitation instabilities of a turbopump inducer with an identical solidity
Large eddy simulation of cooling flows in underground subway station according to different psd operating conditions
Numerical investigation of flow-induced deformation along the human respiratory upper airway
Temporal discretization of viscous stress terms of incompressible Navier–Stokes equations with surface tension effect
Three-dimensional wing behaviors of a rhinoceros beetle during takeoff flights
Enhanced volume decomposition minimizing overlapping volumes for the recognition of design features
Optimal design of a composite space shield based on numerical simulations
Semi-analytic formulation and its experimental verification to determine the radiation patterns of ultrasonic guided waves generated on a plate by a magnetostrictive patch transducer
MHD mixed convection slip flow in a vertical parallel plate microchannel heated at asymmetric and uniform heat flux
Effect of carbon nano tube (CNT) particles in magnetic abrasive finishing of Mg alloy bars
A parametric study of the confined spraying distance, solution concentration, and spraying time for the spraying technique used to fabricate PS superhydrophobic surfaces
Risk assessment of remanufacturing arm structure for crane based on potential failure mode
Mechanism of rock breaking by pick assisted with water jet of different modes
Fabrication and evaluation of 3D β-TCP scaffold by novel direct-write assembly method
Direct-print/cure as a molded interconnect device (MID) process for fabrication of automobile cruise controllers
Prediction of punch life in notching process for automatic transmission retainer considering fatigue and wear
Control of spool position of on/off solenoid operated hydraulic valve by sliding-mode controller
Coordinated control with electronic stability control and active steering devices
Trajectory following control of mobile inverted pendulum robot with pre-determined tilt angle
Object tracking and following six-legged robot system using Kinect camera based on Kalman filter and backstepping controller
A modified perturbation/correlation method for force-guided assembly
Experimental study of R134a/R410A cascade cycle for variable refrigerant flow heat pump systems
Effect of corrugation geometry on the moisture transfer and pressure drop for humidifying element made of cellulose and PET
Thermal analysis of high-speed permanent magnet motor with cooling flows supported on gas foil bearings: part I - coupled thermal and loss modeling
Thermal analysis of high-speed permanent magnet motor with cooling flows supported on gas foil bearings: part II - bearing modeling and case studies
Investigation on the effect of strut configurations and locations on the combustion performance of a typical scramjet combustor
Effects of mass transfer time relaxation parameters on condensation in a thermosyphon
Review of technologies for snow melting systems
Numerical study on proximal ischemia
Journal of Mechanical Science and Technology : Volume 29, Issue 11, November 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 10, October 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 9, September 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 8, August 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 7, July 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 6, June 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 5, May 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 4, April 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 3, March 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 2, February 2015
Journal of Mechanical Science and Technology : Volume 29, Issue 1, January 2015
Journal of Mechanical Science and Technology : Volume 28
Journal of Mechanical Science and Technology : Volume 27
Journal of Mechanical Science and Technology : Volume 26
Journal of Mechanical Science and Technology : Volume 25
Journal of Mechanical Science and Technology : Volume 24
Journal of Mechanical Science and Technology : Volume 23
Journal of Mechanical Science and Technology : Volume 22
Journal of Mechanical Science and Technology : Volume 21
Journal of Mechanical Science and Technology : Volume 20
Journal of Mechanical Science and Technology : Volume 19
Journal of Mechanical Science and Technology : Volume 18
Journal of Mechanical Science and Technology : Volume 17
Journal of Mechanical Science and Technology : Volume 16
Journal of Mechanical Science and Technology : Volume 15
Journal of Mechanical Science and Technology : Volume 14
Journal of Mechanical Science and Technology : Volume 13
Journal of Mechanical Science and Technology : Volume 12
Journal of Mechanical Science and Technology : Volume 11

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Numerical study on proximal ischemia

Content Provider SpringerLink
Author Kim, Myunjoon Min, Taegee Kwon, O. Ki Kim, Hojoong Seto, Takafumi Kim, Yeongseok Kim, Jang Ah Kim, Taesung
Copyright Year 2015
Abstract Brain artery occlusion is a major cause of cerebral stroke. During a stroke, perfusion decreases at tissues distal to the occlusion, but ischemia or hypoperfusion at tissues supplied by arterial branches proximal to the occlusion is not expected. However, ischemia proximal to the occlusion site has been observed without mechanical occlusion of the proximal branches. The mechanism of this unexpected ‘proximal ischemia’ is not well understood yet. In this study, transient three-dimensional computational fluid dynamics simulations of hemodynamic flow were performed to investigate ‘proximal ischemia’ using three non-Newtonian models and Newtonian model of a simple blood vessel consisting of an artery with one branch. Blood velocity of the artery dropped sharply after occlusion, resulting in shear rates low enough to cause red blood cell aggregation. The average shear rate in a cross-section of the artery during diastole was around 0.1 s$^{−1}$, resulting in large red blood cell clots. Large aggregates formed in the artery have the potential to block the artery or the entrance of the branch.
Starting Page 5523
Ending Page 5529
Page Count 7
File Format PDF
ISSN 1738494X
Journal Journal of Mechanical Science and Technology
Volume Number 29
Issue Number 12
e-ISSN 19763824
Language English
Publisher Korean Society of Mechanical Engineers
Publisher Date 2015-12-12
Publisher Place Seoul
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Proximal ischemia Non-newtonian model Computational fluid dynamics Shear rate Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type Text
Resource Type Article
Subject Mechanics of Materials Mechanical Engineering
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