CFD simulation of length to diameter ratio effects on the energy separation in a vortex tube

RA Bramo, N Pourmahmoud - Thermal Science, 2011 - doiserbia.nb.rs
The objective of the present computational fluid dynamics analysis is an attempt to
investigate the effect of length to diameter ratio on the fluid flow characteristics and energy …

A geometric model for a vortex tube based on numerical analysis to reduce the effect of nozzle number

R Shamsoddini, B Abolpour - International Journal of Refrigeration, 2018 - Elsevier
A vortex tube is a simple device with an interesting role and different industrial applications,
and it contains one or more tangential inlets and two outlets. It has been most commonly …

CFD analysis of helical nozzles effects on the energy separation in a vortex tube

N Pourmahmoud, HA Zadeh, O Moutaby… - Thermal science, 2012 - doiserbia.nb.rs
In this article computational fluid dynamics (CFD) analysis of a three-dimensional steady
state compressible and turbulent flow has been carried out through a vortex tube. The …

[PDF][PDF] A numerical simulation of the effect of inlet gas temperature on the energy separation in a vortex tube

N Pourmahmoud, M Rahimi, SE Rafiee… - Journal of Engineering …, 2014 - academia.edu
The main objective of this paper is to study the effect of inlet gas temperature change on the
fluid flow characteristics and energy separation phenomenon within a counter-flow vortex …

[HTML][HTML] Thermal scaling of transient heat transfer in a round cladded rod with modern dimensional analysis

BP Gálfi, I Száva, D Șova, S Vlase - Mathematics, 2021 - mdpi.com
Heat transfer analysis can be studied efficiently with the help of so-called modern
dimensional analysis (MDA), which offers a uniform and easy approach, without requiring in …

A new approach to study and optimize cooling performance of a Ranque–Hilsch vortex tube

R Shamsoddini, AF Khorasani - International journal of refrigeration, 2012 - Elsevier
Vortex tube is a simple device usually used to obtain desired hot and cold gas and is widely
used for spot cooling in industry. This pipe with its interesting function has been studied …

[HTML][HTML] Modern dimensional analysis involved in polymers additive manufacturing optimization

Z Asztalos, I Száva, S Vlase, RI Száva - Polymers, 2022 - mdpi.com
The paper aims to use Modern Dimensional Analysis (MDA) to study the polymers additive
manufacturing optimization. The original part of the work is represented by the application of …

Computational fluid dynamic simulation of single and two-phase vortex flow—A comparison of flow field and energy separation

G Sharma, S Ghosh… - Journal of Heat …, 2016 - asmedigitalcollection.asme.org
In the present work, a computational fluid dynamic (CFD) simulation has been performed to
investigate single and two-phase vortex tube. Air in compressed form and partially …

[HTML][HTML] Modern Dimensional Analysis-Based Steel Column Heat Transfer Evaluation Using Multiple Experiments

RI Száva, I Száva, S Vlase, PB Gálfi, K Jármai… - Symmetry, 2022 - mdpi.com
In order to foresee the response during the fire of a real symmetrical structure (prototype),
nowadays engineers apply methods which involve the associated reduced-scale model's …

Modern method to analyze the Heat Transfer in a Symmetric Metallic Beam with Hole

D Șova, RI Száva, K Jármai, I Száva, S Vlase - Symmetry, 2022 - mdpi.com
The paper aims to use Modern Dimensional Analysis to study the heat transmission through
a rectangular bar with a hole. The problem is very important for monitoring a structure, made …