The effect of source/sink heat location and size on Magneto-hydrodynamic mixed convection in hybrid nanofluid Al2O3-Cu/Water within the L-shaped cavity is studied this paper. Two uniform sources are put at corners bottom walls enclosure beginning end L-shape set to be cold temperature. other parts enclosure's supposed insulated. finite difference method Boussinesq approximation utilized discrete governing equations. fundamental flow physics thermal behavior explored terms pertinent...

The authors undertook a study to evaluate the effectiveness of endoscopic third ventriculostomy in management hydrocephalus before and after surgical intervention for posterior fossa tumors children.Between October 1, 1993, December 31, 1997, total 206 consecutive children with underwent surgery at Hĵpital Necker-Enfants Malades Paris. Excluded were 10 patients whom shunts had been placed referring hospital. medical records neuroimaging studies remaining 196 reviewed categorized into three...

An analysis is presented to investigate the effects of chemical reaction on unsteady free convective heat and mass transfer a stretching surface in porous medium. The governing partial differential equations have been transformed by similarity transformation into system ordinary equations, which are solved numerically using an efficient tri-diagonal implicit finite-difference method. results obtained show that flow field influenced appreciably presence unsteadiness parameter, permeability...

Magnetohydrodynamic natural convection flow and heat transfer in a square porous cavity differentially heated cooled by source sink, respectively, filled with the –water hybrid nanofluid is studied numerically. The active parts of left right side walls are maintained at temperature, top bottom hot temperature. enclosure's inactive its kept insulated. governing equations two-dimensional space discretized using finite difference methodology. A proper upwinding scheme employed to obtain...

The entropy generation due to magnetohydrodynamic mixed convection flow and heat transfer in a Gamma-shaped porous cavity is explored this research by the finite volume technique. There exists an internal heating inside top bottom walls are moving constant velocities induce forced convection. filled with copper/water nanofluid subjected inclined uniform magnetic field. A numerical simulation performed study effects of several key parameters such as Hartmann number, nanoparticle fraction,...

This contribution simulates the impact of partial slip on entropy generation due to magnetohydrodynamic, mixed convection nanofluids in a lid-driven U-shaped cavity with discrete heating. The influence effect is proposed along vertical walls. A uniform heat flux source bottom wall proposed; meanwhile, two portions outer-upper horizontal walls are cooled isothermally. remainder taken adiabatic. governing equations solved using finite volume approach, and outcomes successfully validated...

Carcinoma of the bilharzial bladder in Egypt is a special entity. The disease represents certain particular clinical and pathological features. In this series 304 cases with carcinoma were presented. average age for group was 46.7 years, male to female ratio 4: 1. When first seen 25 per cent inoperable. Nodular fungating tumours accounted 68 cases. Histologically, most (66 7 cent) squamous cell type. regional lymph nodes involved 14

This paper examines numerically the thermal and flow field characteristics of laminar steady mixed convection in a square lid-driven enclosure filled with water-based micropolar nanofluids by using finite volume method. While uniform heat source is located on part bottom enclosure, both right left sidewalls are considered adiabatic together remaining parts wall. The upper wall maintained at relatively low temperature. Both move velocity four different cases moving lid ordinations considered....

A numerical simulation of magneto-hydrodynamic mixed convection flow and heat transfer Cu–water nanofluid in a square cavity filled with Darcian porous medium partial slip is numerically investigated. The left right walls the are moving up constant speed vertical direction, effect considered along these walls. top bottom assumed to be adiabatic. wall kept at lower temperature, while higher temperature. developed equations mathematical model nondimensionalized then solved subject appropriate...

A numerical investigation of magneto-hydrodynamic mixed convection in a square lid-driven cavity filled with gyrotactic micro-organisms is examined.Different magnetic field inclinations are considered and the left wall moving up constant speed vertical direction.The right walls assumed to be adiabatic.The top horizontal kept at features solution.Lower temperature, while bottom higher temperature.The developed equations mathematical model put their dimensionless forms then solved numerically...

The mucosal lesions in the lower urinary tract were examined 86 cystectomy specimens of bilharzial bladder cancer. Squamous cell carcinoma occurred 66 cases, transitional 18 and adenocarcinoma two cases. Multiple infiltrative carcinomas found 19 cases (22.1%), these commonly type (63.9%). metaplasia was 65.1%, columnar 52.3%, situ 40.7%. ureters, trigone, urethra rarely affected by lesions. Carcinoma more associated with multiple (68.4%) than single tumors (32.8%). 81.8% squamous 16.7%...

Purpose – The purpose of this paper is to investigate natural convection fluid flow and heat transfer inside C-shaped enclosures filled with Cu-Water nanofluid numerically using the finite difference method. Design/methodology/approach In investigation, method employed solve governing equations boundary conditions. Central quotients were used approximate second derivatives in both X Y directions. Then, obtained discretized are solved a Gauss-Seidel iteration technique. Findings It was found...

Numerical investigation for heat transfer with steady MHD natural convection cooling of a localized source at the bottom wall an enclosure filled nanofluids subjected to changeable thermal boundary conditions sidewalls has been studied in presence inclined magnetic field. Finite difference method was employed solve dimensionless governing equations problem. The effects parameters, namely, Hartmann number, solid volume fraction, different values length and locations on streamlines isotherms...

This paper discusses the natural convection heat transfer in an inclined triangular enclosure filled with Cu-water nanofluid saturated porous medium presence of generation effect. Two symmetric sources are located at bottom and left walls while remaining parts thermally insulated. The wall is considered to be cold. partial differential equations governing problem transformed a dimensionless form solved numerically using implicit finite difference method. obtained results presented terms...