Showing posts with label thermal radiation. Show all posts
Showing posts with label thermal radiation. Show all posts

Monday, 16 October 2023

Thermal Radiation and Chemical Reaction Effects on an Optically Thin Grey Gas in a Moving Vertical Plate | Chapter 7 | Advances and Challenges in Science and Technology Vol. 7

 In this study, we have considered the fluid as the gray gas and medium is assumed to be non-scattering medium and radiation is absorbing –emitting radiation. The effects of heat radiation and chemical reaction on an infinite vertical isothermal plate with variable mass diffusion are examined. The temperature of the plate is increased to T’W, and the concentration near the plate increases linearly over time. The governing momentum, energy, and concentration equations are solved using simplifying assumptions, and analytical solutions for fluid velocity, temperature distribution, and mass concentration are obtained. MATLAB software is used to generate the various parameter graphs. We found that the temperature rises as the radiation parameter falls and Chemical process diminishes the concentration resulting in thinner the boundary layer.

Author(s) Details:

R. Kavitha,
Department of Mathematics and Statistics, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur Campus, Chennai, India.

Please see the link here: https://stm.bookpi.org/ACST-V7/article/view/12204

Thursday, 20 July 2023

The Optimization of Boundary Layer Flow and the Role of Nanoparticles’ Radius in Thermal Performance | Chapter 9 | Fundamental Research and Application of Physical Science Vol. 7

 The hearing on magnetohydrodynamic micropolar tangent embellished waterbased Al2O3 nanofluid flow over a stretching surface with the impact of heat that radiates, heat source, and convective edge condition is discussed. This study combed the significance of growing size of nanoparticles and its impact on account of the concentration and hotness gradients in the dynamics of nanofluids endanger magnetic field. Proper converts yield highly nonlinear differential methods, which are resolved by using the bvp4c method. The velocity sketches, temperature distribution, calculating-rotation, and the skin resistance factor in addition to the heat transfer rate have presented under the effect of differing physical parameters. It is noticed that the variation in the speed and temperature descriptions occurred on account of the increasing size of nanoparticle and the impact of complicated parameters. Furthermore, it causes an increase in heat transfer rate, while the warm boundary coating becomes thicker accompanying intensifying Biot number. The impact of influential parameters on tangible quantities is illustrated through graphs.

Author(s) Details:

Liaqat Ali,
School of Sciences, Xi’an Technological University, Xi’an, 710021, China.

Please see the link here: https://stm.bookpi.org/FRAPS-V7/article/view/11126

Saturday, 29 October 2022

Impact of Thermal Radiation and Buoyancy Forces on MHD Fluid Flow with Heat and Mass Transfer over a Permeable Stretching Sheet | Chapter 7 | Current Overview on Science and Technology Research Vol. 7

 This item engages the mathematical approach to examine the impact of heat that radiates and Buoyancy belongings of the nonlinear MHD fluid flow accompanying heat and bulk transfer characteristics of an firm, sticky, electrically attending and Boussinesq fluid ahead a absorbent vertical elongated coating. A magnetic field of currents is used across to the direction of the flow. The fundamental equatings commanding flow, heat transfer, and aggregation are decreased to a set of nonlinear ordinary characteristic equatings through likeness metamorphosis. Quasi-linearization is used to first linearize the nonlinear common differential equatings before they are numerically answered utilizing an inherent limited difference procedure. The Gauss-Seidal repetitive means is before used to solve bureaucracy of concerning manipulation of numbers equatings. Graphical likenesses are used to show the influence of material parameters on the speed, hotness, and aggregation characterizations. Drawing speed, temperature, and aggregation characterizations for differing ruling factors tells that the life of resilience belongings, heat that radiates, and magnetic field considerably influences the flow field.


Author(s) Details:

J. Venkata Madhu,
Department of Science and Humanities, Sreenidhi Institute of Science and Technology, Ghatkesar, Hyderabad-501301, Telangana State, India.

Please see the link here: https://stm.bookpi.org/COSTR-V7/article/view/8509

Wednesday, 15 September 2021

Solution of Modern Thermo Physical Problems of Applied External and Internal Aerodynamics with Dark Matter-Energy Simulation: Scientific Explanation | Chapter 12 | New Approaches in Engineering Research Vol. 11

 The use of radial bearings with segments on a self-generated hydrostatic suspension has been substantiated in order to satisfy the requirements for precision positioning of axes and efficiency of stabilisation of shaft oscillations of power-consuming rotary machines. The methods of turbomachine dynamical analysis based on the modelling of the quasistationary processes in lubricating films that balance the harmonic loads on the rotor by redistributing the lubricant flow parameters in the bearing with integrated liquid dampers have been further developed. The complex approach for improving functional properties of turbomachine bearings on the basis of multicriteria optimization of hydraulic tracts parameters and lubrication system operating modes is presented.


Author (S) Details

Mikhail Ja. Ivanov
Department of Gas Turbines, Central Institute of Aviation Motors, Moscow 111116, Russia.


View Book :- https://stm.bookpi.org/NAER-V11/article/view/3572