Results 31 to 40 of about 77,613 (310)

Study of Heat and Mass Transfer in Electroosmotic Flow of Third Order Fluid through Peristaltic Microchannels

open access: yesApplied Sciences, 2019
An analysis is carried out to evaluate the effects of heat and mass transfer in an electro-osmotic flow of third order fluid via peristaltic pumping. Solutions are derived for small wave number and Peclet number.
Sadia Waheed   +2 more
doaj   +1 more source

Exploring the Impact of Nanomaterials on Heat- and Mass-Transfer Properties of Carreau-Yasuda Fluid with Gyrotactic Bioconvection Peristaltic Phenomena

open access: yesMathematics, 2023
This research aims to investigate the impact of nanomaterials on the heat and mass transfer properties of fluids, with a particular focus on exploring the bioconvection phenomena.
Hani Alahmadi, Mohammed Omar Alkinidri
doaj   +1 more source

Bifurcations in valveless pumping techniques from a coupled fluid-structure-electrophysiology model in heart development [PDF]

open access: yes, 2017
We explore an embryonic heart model that couples electrophysiology and muscle-force generation to flow induced using a $2D$ fluid-structure interaction framework based on the immersed boundary method.
Battista, Nicholas A., Miller, Laura A.
core   +2 more sources

Accelerometer-Based Assessment of Intestinal Peristalsis: Toward Miniaturized Low-Power Solutions for Intestinal Implants

open access: yesIEEE Journal of Translational Engineering in Health and Medicine, 2018
Intestinal electrical stimulation via implants is already used to treat several disorders like constipation or incontinence. Stimulation parameters are most often empiric and not based on systematic studies.
Nora Vanessa de Camp   +3 more
doaj   +1 more source

Entropy Analysis of the Peristaltic Flow of Hybrid Nanofluid Inside an Elliptic Duct with Sinusoidally Advancing Boundaries

open access: yesEntropy, 2021
Peristaltic flow of hybrid nanofluid inside a duct having sinusoidally advancing boundaries and elliptic cross-section is mathematically investigated. The notable irreversibility effects are also examined in this mathematical research by considering a ...
Luthais B. McCash   +3 more
doaj   +1 more source

A Mathematical Simulation of the Ureter: Effects of the Model Parameters on Ureteral Pressure/Flow Relations [PDF]

open access: yes, 2011
Ureteral peristaltic mechanism facilitates urine transport from the kidney to the bladder. Numerical analysis of the peristaltic flow in the ureter aims to further our understanding of the reflux phenomenon and other ureteral abnormalities.
Fatouraee, Nasser   +3 more
core   +1 more source

Ultrasonographic changes in fetal gastrointestinal motility during the last ten days before parturition in dogs

open access: yesFrontiers in Veterinary Science, 2022
Fetal gastrointestinal motility (FGM) was suggested as useful to assess fetal maturity. Our study aimed to quantify FGM in relation to days before parturition (DBP), maternal size, and sex ratio of pups.
Giulia Siena   +5 more
doaj   +1 more source

The Effect of Slip Velocity on Unsteady Peristalsis MHD Blood Flow through a Constricted Artery Experiencing Body Acceleration

open access: yesInternational Journal of Applied Mechanics and Engineering, 2019
In this analysis, we present a theoretical study to examine the combined effect of both slip velocity and periodic body acceleration on an unsteady generalized non-Newtonian blood flow through a stenosed artery with permeable wall.
J. Nandal, S. Kumari, R. Rathee
doaj   +1 more source

The clinical significance of disorders of the motor function of the esophagus, stomach and duodenum [PDF]

open access: yesТерапевтический архив, 2019
The purpose of the review is to determine the relationship between the clinical symptoms of diseases and disorders of the motor function of the esophagus, stomach and duodenal bulb, to present modern methods of their diagnosis and pathogenetic principles
A S Trukhmanov, N Yu Ivashkina
doaj   +1 more source

Morphology of the Esophageal Hiatus: Is It Different in 3 Types of Hiatus Hernias? [PDF]

open access: yes, 2020
Background/aimsThe esophageal hiatus is formed by the right crus of the diaphragm in the majority of subjects. Contraction of the hiatus exerts a sphincter-like action on the lower esophageal sphincter (LES). The aim is to study the hiatal anatomy (using
Ghahremani, Gary   +5 more
core   +1 more source

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