1-20 of 23
Stefan Stefanov
Close
Save search
Follow your search
Access your saved searches in your account
Close Modal
Sort by
Journal Articles

The impact of mean effective pressure on the thermal state of a cylinder head

Available to Purchase
Sergey Belchev, Delyan Petkov, Stefan Stefanov
Journal: AIP Conference Proceedings
AIP Conf. Proc. 3294, 020021 (2025)
https://doi.org/10.1063/5.0254180
Published: January 2025
View articletitled, The impact of mean effective pressure on the thermal state of a cylinder head
Open the PDF for The impact of mean effective pressure on the thermal state of a cylinder head in another window
Journal Articles

A comparative study of electric car in-cabin temperature and air quality

Available to Purchase
Rosen Hristov, Stefan Stefanov, Georgi Kadikyanov, Gergana Staneva, Pavel Chalakov
Journal: AIP Conference Proceedings
AIP Conf. Proc. 3294, 020024 (2025)
https://doi.org/10.1063/5.0253942
Published: January 2025
View articletitled, A comparative study of electric car in-cabin temperature and air quality
Open the PDF for A comparative study of electric car in-cabin temperature and air quality in another window
Journal Articles

Diagnostics and common failures of eight speed automatic transmissions of AWF8G45 type

Available to Purchase
Stefan Stefanov, Rosen Hristov, Ismail Mehmedov, Stefan Tenev
Journal: AIP Conference Proceedings
AIP Conf. Proc. 3104, 020001 (2024)
https://doi.org/10.1063/5.0199257
Published: February 2024
View articletitled, Diagnostics and common failures of eight speed automatic transmissions of AWF8G45 type
Open the PDF for Diagnostics and common failures of eight speed automatic transmissions of AWF8G45 type in another window
Journal Articles

Diagnostics of electronic pressure regulators used in six-speed automatic transmissions of the type AF40

Available to Purchase
Stefan Stefanov, Rosen Hristov
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2868, 020011 (2023)
https://doi.org/10.1063/5.0165410
Published: August 2023
View articletitled, Diagnostics of electronic pressure regulators used in six-speed automatic transmissions of the type AF40
Open the PDF for Diagnostics of electronic pressure regulators used in six-speed automatic transmissions of the type AF40 in another window
Journal Articles

A novel transient-adaptive subcell algorithm with a hybrid application of different collision techniques in direct simulation Monte Carlo (DSMC)

Available to Purchase
Stefan Stefanov, Ehsan Roohi, Ahmad Shoja-Sani
Journal: Physics of Fluids
Physics of Fluids 34, 092003 (2022)
https://doi.org/10.1063/5.0104613
Published: September 2022
View articletitled, A novel transient-adaptive subcell algorithm with a hybrid application of different collision techniques in direct simulation Monte Carlo (DSMC)
Open the PDF for A novel transient-adaptive subcell algorithm with a hybrid application of different collision techniques in direct simulation Monte Carlo (DSMC) in another window
Journal Articles

A symmetrized and simplified Bernoulli trial collision scheme in direct simulation Monte Carlo

Available to Purchase
Elmira Taheri, Ehsan Roohi, Stefan Stefanov
Journal: Physics of Fluids
Physics of Fluids 34, 012010 (2022)
https://doi.org/10.1063/5.0076025
Published: January 2022
View articletitled, A symmetrized and simplified Bernoulli trial collision scheme in direct simulation Monte Carlo
Open the PDF for A symmetrized and simplified Bernoulli trial collision scheme in direct simulation Monte Carlo in another window
Journal Articles

Load-frequency control of hydraulic dynamometer by means of a valve setting backpressure at the outlet

Available to Purchase
Stefan Stefanov, Rosen Hristov
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2439, 020010 (2021)
https://doi.org/10.1063/5.0069036
Published: October 2021
View articletitled, Load-frequency control of hydraulic dynamometer by means of a valve setting backpressure at the outlet
Open the PDF for Load-frequency control of hydraulic dynamometer by means of a valve setting backpressure at the outlet in another window
Journal Articles

Homogeneous relaxation and shock wave problems: Assessment of the simplified and generalized Bernoulli trial collision schemes

Available to Purchase
Ahmad Shoja-Sani, Ehsan Roohi, Stefan Stefanov
Journal: Physics of Fluids
Physics of Fluids 33, 032004 (2021)
https://doi.org/10.1063/5.0039071
Published: March 2021
View articletitled, Homogeneous relaxation and shock wave problems: Assessment of the simplified and generalized Bernoulli trial collision schemes
Open the PDF for Homogeneous relaxation and shock wave problems: Assessment of the simplified and generalized Bernoulli trial collision schemes in another window
Journal Articles

Periodically patterned radiometric pumps: Novel configurations and further applications

Available to Purchase
Ali Lotfian, Ehsan Roohi, Stefan Stefanov
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2132, 190003 (2019)
https://doi.org/10.1063/1.5119675
Published: August 2019
View articletitled, Periodically patterned radiometric pumps: Novel configurations and further applications
Open the PDF for Periodically patterned radiometric pumps: Novel configurations and further applications in another window
Journal Articles

Kinetic theory description of gas adsorption-desorption on a solid surface

Available to Purchase
Ricardo D. Brancher, Stefan Stefanov, Irina Graur, Aldo Frezzotti
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2132, 170003 (2019)
https://doi.org/10.1063/1.5119656
Published: August 2019
View articletitled, Kinetic theory description of gas adsorption-desorption on a solid surface
Open the PDF for Kinetic theory description of gas adsorption-desorption on a solid surface in another window
Journal Articles

DSMC calculations of binary gas mixing in simple micro-sized configurations

Available to Purchase
Stavros Meskos, Stefan Stefanov, Dimitris Valougeorgis
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2132, 070009 (2019)
https://doi.org/10.1063/1.5119563
Published: August 2019
View articletitled, DSMC calculations of binary gas mixing in simple micro-sized configurations
Open the PDF for DSMC calculations of binary gas mixing in simple micro-sized configurations in another window
Journal Articles

A dusty gas model-direct simulation Monte Carlo algorithm to simulate flow in micro-porous media

Available to Purchase
Mohammad Hassan Ahmadian, Ehsan Roohi, Alireza Teymourtash, Stefan Stefanov
Journal: Physics of Fluids
Physics of Fluids 31, 062007 (2019)
https://doi.org/10.1063/1.5094637
Published: June 2019
View articletitled, A dusty gas model-direct simulation Monte Carlo algorithm to simulate flow in micro-porous media
Open the PDF for A dusty gas model-direct simulation Monte Carlo algorithm to simulate flow in micro-porous media in another window
Journal Articles

On the convergence of the simplified Bernoulli trial collision scheme in rarefied Fourier flow

Available to Purchase
Elmira Taheri, Ehsan Roohi, Stefan Stefanov
Journal: Physics of Fluids
Physics of Fluids 29, 062003 (2017)
https://doi.org/10.1063/1.4985712
Published: June 2017
View articletitled, On the convergence of the simplified Bernoulli trial collision scheme in rarefied Fourier flow
Open the PDF for On the convergence of the simplified Bernoulli trial collision scheme in rarefied Fourier flow in another window
Journal Articles

On the accuracy of the simplified Bernoulli trials collision algorithm in treating flows at nano scale and hypersonic regime

Available to Purchase
Ehsan Roohi, Stefan Stefanov
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1786, 090004 (2016)
https://doi.org/10.1063/1.4967610
Published: November 2016
View articletitled, On the accuracy of the simplified Bernoulli trials collision algorithm in treating flows at nano scale and hypersonic regime
Open the PDF for On the accuracy of the simplified Bernoulli trials collision algorithm in treating flows at nano scale and hypersonic regime in another window
Journal Articles

A novel simplified Bernoulli trials collision scheme in the direct simulation Monte Carlo with intelligence over particle distances

Available to Purchase
Bijan Goshayeshi, Ehsan Roohi, Stefan Stefanov
Journal: Physics of Fluids
Physics of Fluids 27, 107104 (2015)
https://doi.org/10.1063/1.4933251
Published: October 2015
View articletitled, A novel simplified Bernoulli trials collision scheme in the direct simulation Monte Carlo with intelligence over particle distances
Open the PDF for A novel simplified Bernoulli trials collision scheme in the direct simulation Monte Carlo with intelligence over particle distances in another window
Journal Articles

Extension of the SBT-TAS algorithm to curved boundary geometries

Available to Purchase
Bijan Goshayeshi, Ehsan Roohi, Stefan Stefanov, Javad Abolfazli Esfahani
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1628, 266–275 (2014)
https://doi.org/10.1063/1.4902602
Published: December 2014
View articletitled, Extension of the SBT-TAS algorithm to curved boundary geometries
Open the PDF for Extension of the SBT-TAS algorithm to curved boundary geometries in another window
Journal Articles

DSMC simulation of micro/nano flows using SBT-TAS technique

Available to Purchase
Ali Amiri-Jaghargh, Hassan Nami, Stefan Stefanov, Ehsan Roohi
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1628, 255–265 (2014)
https://doi.org/10.1063/1.4902601
Published: December 2014
View articletitled, DSMC simulation of micro/nano flows using SBT-TAS technique
Open the PDF for DSMC simulation of micro/nano flows using SBT-TAS technique in another window
Journal Articles

Hanle-effect measurements of spin injection from Mn5Ge3C0.8/Al2O3-contacts into degenerately doped Ge channels on Si

Available to Purchase
Inga Anita Fischer, Li-Te Chang, Christoph Sürgers, Erlend Rolseth, Sebastian Reiter, Stefan Stefanov, Stefano Chiussi, Jianshi Tang, Kang L. Wang, Jörg Schulze
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 222408 (2014)
https://doi.org/10.1063/1.4903233
Published: December 2014
View articletitled, Hanle-effect measurements of spin injection from Mn5Ge3C0.8/Al2O3-contacts into degenerately doped Ge channels on Si
Open the PDF for Hanle-effect measurements of spin injection from Mn5Ge3C0.8/Al2O3-contacts into degenerately doped Ge channels on Si in another window
Includes: Supplementary data
Journal Articles

Rarefied gas flow in a rectangular enclosure induced by non-isothermal walls

Available to Purchase
Manuel Vargas, Giorgos Tatsios, Dimitris Valougeorgis, Stefan Stefanov
Journal: Physics of Fluids
Physics of Fluids 26, 057101 (2014)
https://doi.org/10.1063/1.4875235
Published: May 2014
View articletitled, Rarefied gas flow in a rectangular enclosure induced by non-isothermal walls
Open the PDF for Rarefied gas flow in a rectangular enclosure induced by non-isothermal walls in another window
Journal Articles

DSMC collision algorithms based on Kac stochastic model

Available to Purchase
Stefan Stefanov
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1501, 609–614 (2012)
https://doi.org/10.1063/1.4769598
Published: November 2012
View articletitled, DSMC collision algorithms based on Kac stochastic model
Open the PDF for DSMC collision algorithms based on Kac stochastic model in another window