Evolution of instability modes in Mach 10 frozen and chemically reacting boundary layers by means of non-linear parabolized stability equations

2021 ◽  
Vol 33 (6) ◽  
pp. 064106
Author(s):  
L. Zanus ◽  
F. Pinna
Keyword(s):  
Boundary Layers ◽  
Parabolized Stability Equations ◽  
Instability Modes ◽  
Non Linear ◽  
Chemically Reacting ◽  
Mach 10

Receptivity of secondary instability modes in streaky boundary layers

2018 ◽  
Vol 30 (11) ◽  
pp. 114102 ◽  
Author(s):  
Anyong Zhang ◽  
Ming Dong ◽  
Yongming Zhang
Keyword(s):  
Boundary Layers ◽  
Secondary Instability ◽  
Instability Modes

Non-linear aspects of Görtler instability in boundary layers with pressure gradient

2016 ◽  
Vol 28 (12) ◽  
pp. 124107 ◽  
Author(s):  
J. K. Rogenski ◽  
L. F. de Souza ◽  
J. M. Floryan
Keyword(s):  
Pressure Gradient ◽  
Boundary Layers ◽  
Non Linear

Instability Modes in Boundary Layers of an Inclined Cone at Mach 6

2014 ◽  
Vol 51 (2) ◽  
pp. 442-454 ◽  
Author(s):  
Federico Muñoz ◽  
Dirk Heitmann ◽  
Rolf Radespiel
Keyword(s):  
Boundary Layers ◽  
Instability Modes

Compressible stability of growing boundary layers using parabolized stability equations

1991 ◽  
Author(s):  
CHAU-LYAN CHANG ◽  
MUJEEB MALIK ◽  
GORDON ERLEBACHER ◽  
M. HUSSAINI
Keyword(s):  
Boundary Layers ◽  
Parabolized Stability Equations

scholarly journals Mass transfer and Cattaneo-Christov heat flux for a chemically reacting nanofluid in a porous medium between two rotary disks

2021 ◽  
Vol 25 (Spec. issue 2) ◽  
pp. 179-184
Author(s):  
Peter Habu ◽  
Noor Noor ◽  
Zailan Siri
Keyword(s):  
Heat Flux ◽  
Porous Medium ◽  
Thermal Radiation ◽  
Differential System ◽  
Thermal Relaxation ◽  
Fluid Temperature ◽  
Partial Differential System ◽  
Non Linear ◽  
Chemically Reacting ◽  
Increasing Functions

This paper examines the transport of a chemically reacting nanofluid in a porous medium between two rotary disks with Cattaneo-Christov?s heat flux. The non-linear ordinary differential system formed under Vonn Karman transformation of a non-linear partial differential system is solved via a shooting method with MATLAB bvp4c. The nanofluid thermodynamics profiles with variation in physical properties of thermal relaxation time, thermal radiation, porosity, and chemical reaction are observed. Axial, radial, and tangential velocities are found to be increasing functions of porous medium. A decrease in the fluid temperature is perceived as thermal radiation and thermal relaxation increase since more heat can be transported to neighboring surroundings. The concentration is enhanced with intensified Cattaneo-Christov?s thermal relaxation but it oscillates with reacting chemicals. The rotary disks bound the oscillating nanofluid from downward to up-ward directions and vice versa. The axial velocity represents the change in force due to porosity and radial stretching of the disks.

Chemically Reacting Radiative MHD Jeffrey Nanofluid Flow over a Cone in Porous Medium

2015 ◽  
Vol 19 ◽  
pp. 75-90 ◽  
Author(s):  
Chakravarthula S.K. Raju ◽  
Macharla Jayachandra Babu ◽  
Naramgari Sandeep
Keyword(s):  
Differential Equations ◽  
Mass Transfer Rate ◽  
Dual Solutions ◽  
Nanofluid Flow ◽  
Shooting Technique ◽  
Non Linear ◽  
Jeffrey Nanofluid ◽  
Presence And Absence ◽  
Chemically Reacting ◽  
Layer Flow

The objective of this paper is to analyze the influence of thermal radiation and chemical reaction on the boundary layer flow of a magnetohydrodynamic Jeffrey nanofluid over a permeable cone in the presence of thermophoresis, Brownian motion effects. The set of non-linear governing partial differential equations are transformed into set of non-linear coupled ordinary differential equations by using self-suitable transformations, which are then solved numerically using Runge-Kutta fourth order along with shooting technique. The obtained results present the effects of various non-dimensional governing parameters on velocity, temperature and concentration profiles. Also, enumerated and analyzed the friction factor, local Nusselt and Sherwood numbers. We presented dual solutions in the presence and absence of the magneticfield and found an excellent agreement of the present results with the existed studies under some special limited cases. Result indicates that an increase in the buoyancy parameter increases the heat and mass transfer rate in the presence and absence of the transverse magneticfield and dual solutions exists only for certain range of magneticfield parameter.

Sign in / Sign up

Export Citation Format

Share Document