Motion of bacteria and CaOx particles via urine flow modulated by the electro-osmosis

D Ram, DS Bhandari, D Tripathi, K Sharma - Physics of Fluids, 2023 - pubs.aip.org
Kidney stones and Escherichia coli bacterial particles are mineral aggregates found inside
the kidney and bladder that cause urinary tract infections and complications during urination …

[HTML][HTML] Electro-osmotic transport and thermal energy dynamics of tetra-hybrid nano fluid in complex peristaltic flows

NB Khedher, N Ijaz, M Medani, K Barghout… - Case Studies in Thermal …, 2024 - Elsevier
Background This study explores the use of tetra-hybrid nanoparticles consisting of gold,
silver, alumina, and titania nanocomposites dispersed in a non-Newtonian Casson fluid …

Longitudinal wall motion during peristalsis and its effect on reflux

K Kalayeh, H Xie, JB Fowlkes, BS Sack… - Journal of Fluid …, 2023 - cambridge.org
In this study, for the first time, we consider longitudinal motion of the walls during peristalsis
in a distensible tube and how this affects backward (or retrograde) flow, ie peristaltic reflux …

Effect of ureteral stent length and implantation position on migration after implantation

L Zhu, L Wang, Y Gao, W Feng, Y Fan - Medical & Biological Engineering …, 2023 - Springer
Background Ureteral obstruction is a urinary system disease that causes urinary retention,
renal injury, renal colic, and infection. Ureteral stents are often used for conservative …

Numerical investigation of urethra flow characteristics in benign prostatic hyperplasia

KS Jang, JW Kim, J Ryu - Computer Methods and Programs in Biomedicine, 2022 - Elsevier
Background and objective Conventional practice includes a limited depiction of urethral
pressure and flows based on fragmented gross clinical observations. However, with …

Investigation of flow field characteristics in hose pumps under various operating conditions and their impact on gap leakage

M Wang, L Zhang, X Hu, J Zhao, X Chao, X Fang - Physics of Fluids, 2024 - pubs.aip.org
Addressing the issue of leakage in practical scenarios involving hose pumps, this paper
conducts an analysis on hose pumps with existing compression gaps. The model is …

Investigating the effect of a single peristalsis wave on unobstructed ureter using a computational technique

LG Keni, S Shenoy, P Hegde, K Prakashini… - Engineered …, 2022 - espublisher.com
The ureter transports the urine from the kidney to the bladder. During the peristalsis, the
contraction of the ureter helps to move the urine in bolus form. In the current work, the ureter …

[HTML][HTML] CFD investigation of mechanical heart valve orientations in modulating left ventricular hemodynamics

R Murty, P Pabsetti, R Harish - Results in Engineering, 2024 - Elsevier
This study provides a comprehensive computational analysis of how mechanical heart valve
orientations impact left ventricular (LV) hemodynamics, with potential implications for …

[HTML][HTML] Impact of obstruction size on ureter dynamics: A computational investigation

LG Keni, S Shenoy, KN Chethan, P Hegde… - Results in …, 2024 - Elsevier
Kidney stones, known medically as nephrolithiasis, present a significant health concern
globally, particularly in regions such as India and the Middle East. Despite extensive …

Numerical analysis of an obstacle motion in the human ureter using the dynamic mesh approach

S Abbasian, R Maddahian - International Journal for Numerical …, 2024 - Wiley Online Library
Peristalsis is a common motion in various biological systems, especially the upper urinary
tract, where it plays a pivotal role in conveying urine from the kidneys to the bladder. Using …