Conferences

2016

68. Shahbi, V., Roohi, E., Baier, T., Hardt, S., On the Radiometric Flow in a Ratchet-Channel Nano-Pump, 30th International Symposium on Rarefied Gas Dynamics, 10-15 July 2016, Victoria, Canada. 

67. Roohi, E., Stefanov, S., On the Accuracy of the SBT Collision Algorithm in Nanoflows and Hypersonic Regime, 30th International Symposium on Rarefied Gas Dynamics, 10-15 July 2016, Victoria, Canada. 

66. Madani, M., Roohi, E., On the unsteady vortex shedding behind a cylinder, First MIGRATE Summer School & Workshop, June 27 to July 1 2016, Strasbourg, France

65. Taheri, E., Roohi, E., Stefanov, S., Evaluation of the SBT collision model for near-continuum nano fourier flows, First MIGRATE Summer School & Workshop, June 27 to July 1 2016, Strasbourg, France

64. Taheri, E., Roohi, E., Convergence behaviour of the SBT collision algorithm in nano Fourier flow, International Conference on Nano Structures, ICNS6, 7-10 March 2016, Kish Island, Iran.

63. Shahabi, V., Roohi, E., Numerical investigation of Knudsen pump performance, 15th International Conference of Iranian Aerospace Society, Aero 2016, 1-3 March 2016, Tehran, Iran.

2015

62. Pendar, M. M., Roohi, E., Detailed investigation of cavitation and supercavitation around different geometries using various turbulence and mass transfer models, 9th International Symposium on Cavitation CAV 2015, EPFL, Lausanne, Switzerland, 6-10 Dec. 2015

61. Madani, S.M., Goshayeshi, B., Roohi, E., Investigation of the SBT/SBT-TAS Performance in Unsteady Flows, 2nd European Conference on Non-equilibrium Gas Flows, Technical University of Eindhoven, Eindhoven, The Netherland (December 9-11, 2015).

60. Shahabi, V., Roohi, E., Hardt, S., Numerical Study of Mass Flux between Periodically Structured Surfaces, 2nd European Conference on Non-equilibrium Gas Flows, Technical University of Eindhoven, Eindhoven, The Netherland (December 9-11, 2015).

59. Mahdavi, M., Roohi, E., Investigation of Cold to Hot Heat Transfer in a Nano Step Geometry, 2nd European Conference on Non-equilibrium Gas Flows, Technical University of Eindhoven, Eindhoven, The Netherland (December 9-11, 2015).

58. Goshayeshi, B., Roohi, E., Stefanov, S., A Review of Kac-Based Collision Models: Bernoulli Trials and its Simplified and Intelligent Variants, 2nd European Conference on Non-equilibrium Gas Flows, Technical University of Eindhoven, Eindhoven, The Netherland (December 9-11, 2015).

57. Ebrahimi, A., Roohi, E., Fllow and Thermal Fields Investigations in Divergent Micro/Nano Channels, International Conference on Advances in Mechanical Engineering, ICAME'15, 13-15 May 2015, Yildiz Technical University, Istanbul, Turkey.

56. Pendar, M., Roohi, E., Investigation of Cavitation around Disk and Conical Cavitators using Different Sets of Turbulence and Cavitation Models, International Conference on Advances in Mechanical Engineering, ICAME'15, 13-15 May 2015, Yildiz Technical University, Istanbul, Turkey.

55. Pendar, M., Roohi, E., Study of cavitation and supercavitation around a 3D cylinder using Different Turbulence and Mass Transfer Models, ISME 2015, 12-14 May 2015, Tehran, Iran.

54. Malekzadeh, S., Roohi, E., Droplet simulation in a T-junction microchannel using VOF technique, ISME 2015, 12-14 May 2015, Tehran, Iran.

53. Yazdanpanah Moghadam, E., Roohi, E., Second law analysis of nano thermal cavity using DSMC, Asian Nanoforum Conference, Kish Island, 8-11 March 2015, Iran.

52. Saadati, A., Roohi, E.,Investigation of nano nozzle flows using DSMC, Asian Nanoforum Conference, Kish Island, 8-11 March 2015, Iran.

2014

51. Malekzadeh, S., Roohi, E., Simulation of Droplet Formation in a T-Junction Micro Channel Using Volume of Fluid Technique, ENTECH '14, Second International Energy Technologies Conference, 22-24 December 2014, Istanbul, Turkey.

50. Malekzadeh, S., Roohi, E., Simulation of droplet impact on the liquid film with application in aircraft icing, the first international and 3rd national conference of Iranian aerospace propulsion association, Isfahan, Iran, 22-23 October 2014.

49. Yazdanpanah, E., Roohi, E., Abolfazli, J., The effect of vortices behavior on heat transfer in rarefied gas of thermal cavity, the first international and 3rd national conference of Iranian aerospace propulsion association, Isfahan, Iran, 22-23 October 2014.

48. Saadati, A., Roohi, E., Improving the Computational Efficiency of the DSMC Simulation of Micro/Nano Nozzles Flows Using Simplified Bernoulli-Trials Algorithm, the first international and 3rd national conference of Iranian aerospace propulsion association, Isfahan, Iran, 22-23 October 2014.

47. Goshayeshi, B., Roohi, E., DSMC simulation over reactive flow of a re-entry vehicle using SBT-TAS, the first international and 3rd national conference of Iranian aerospace propulsion association, Isfahan, Iran, 22-23 October 2014.

46. Amiri-Jaghargh, A., Roohi, E., Stefanov, S., Nami, H., DSMC Simulation of Micro/Nano Flows using SBT-TAS Technique, 29th International Symposium on Rarefied Gas Dynamics, Xi'an, China, July 2014. 

45. Le, N., Roohi, E., The Second Order Temperature Jump Boundary Condition In Hypersonic And Microscale Rarefied Gas Flow Simulations, 29th International Symposium on Rarefied Gas Dynamics, Xi'an, China, July 2014. 

44. Balaj, M., Roohi, E., Akhlaghi, H., Effects of Shear Work on the Non-Equilibrium Heat Transfer Characteristics of Rarefied Micro/Nano Flows, 29th International Symposium on Rarefied Gas Dynamics, Xi'an, China, July 2014.

43. Goshayeshi, B., Roohi, E., Stefanov, S., Abolfazli, J., Extension of the SBT-TAS Algorithm to Curved Boundary Geometries, 29th International Symposium on Rarefied Gas Dynamics, Xi'an, China, July 2014.

42. Rahimi, A., Pendar, M., Roohi, E., Simulation of 3-D Cavitation behind a Disk Cavitator using Different Turbulence/Mass Transfer Models, The 13th Iranian Aerospace Society Conference, Tehran, Iran, Feb. 2014.

41.  Yazdanpanah, E., Roohi, E., Abolfazli, J., Influence of molecular structure on thermal behavior in vacuum packaged MEMS/NEMS using DSMC, 5th International Conference on NanoStructures, ICNS5, Kish Island, Iran, 2014.

2013

40. Rezaei, F., Roohi, E., Passandideh-Fard, M., STALL SIMULATION OF FLOW AROUND AN AIRFOIL USING LES MODEL AND COMPARISON OF RANS MODELS AT LOW ANGLES OF ATTACK, 15th Conference On Fluid Dynamics Conference, 18-20 December 2013, Bandar-Abbas, Iran. 

39.  Shoja-Sani, A., Roohi, E., Kahrom, M., Investigation of rarefied gas flow around NACA 0012 airfoil using DSMC and NS solvers, 7th Ankara International Aerospace Conference: AIAC'2013, AIAC-2013-122. 

38.  Rezaei, F., Roohi, E., Passandideh-Fard, M., Large eddy simulation of compressible flow around NACA 0012 airfoil at stall condition, 7th Ankara International Aerospace Conference: AIAC'2013, AIAC-2013-109.

37.  Mahdavi, M., Roohi, E., Study of Separation Zone of Rarefied Flows through Micro/Nano Backward-Facing Steps, 21st Annual International Conference on Mechanical Engineering-ISME2013 7-9 May, 2013, Tehran, Iran.

36.  Yazdanpanah, E., Roohi, E., Abolfazli, J., Analysis of flow field and heat transfer characteristics of thermal cavity using DSMC, 21st Annual International Conference on Mechanical Engineering-ISME2013 7-9 May, 2013, Tehran, Iran.

 35. Rahimi, A., Roohi, E., Maghrebi, M., Numerical Simulation of 3-D Cavitation behind a Disk Cavitator Using OpenFOAM, The 12th Iranian Aerospace Society Conference, Tehran, Iran, Feb. 2013.

 34. Mahdavi, M., Roohi, E., DSMC Modeling of Rarefied Flow through Micro/Nano Backward-Facing Steps, The 12th Iranian Aerospace Society Conference, Tehran, Iran, Feb. 2013.

 33.  Ebrahimi, A., Roohi, E., Hashemi, P., Numerical simualtion of two interacting palanar turbulent jets, The 12th Iranian Aerospace Society Conference, Tehran, Iran, Feb. 2013.

 2012

32. Mousavi, M., Roohi, E., Evaluation of different turbulence models for simulation of shock train in a convergent-divergent nozzle, The First National Aerodynamics and Hydrodynamics Conference, 16-17 October 2012, Iran.

31. Rezaii, F., Roohi, E., Passandideh-Fard, M., Investigating the effects of numerical discretization and turbulence modeling on the accuracy of flow solution around NACA0012 airfoil using OpenFOAM, The First National Aerodynamics and Hydrodynamics Conference, 16-17 October 2012, Iran.

30. Zahiri, A. P., Roohi, E., Passandideh-Fard, M., Numerical Simulation of Cavitation around a Three-Dimensional Hydrofoil Using VOF Method and LES Turbulence Model, The First National Aerodynamics and Hydrodynamics Conference, 16-17 October 2012, Iran.

29. Akhlaghi, H., Roohi, E., DSMC Simulation of rarefied gas flows under Cooling Conditions Using a New Iterative Wall Heat Flux Specifying Technique, 28th International Symposium on Rarefied Gas Dynamics, Spain, 2012.

28.  Roohi, E., Zahiri, A. P., Passandideh-Fard, M., Numerical Simulation of Cavitation around a Two-Dimensional Hydrofoil Using VOF Method and LES Turbulence Model, Proceedings of the 8th International Symposium on Cavitation, CAV2012, Singapore, 2012. 

27.  Zahiri, A. P., Roohi, E., Passandideh-Fard, M., Numerical Simulation of Cavitation around a Two-Dimensional Hydrofoil Using LES, 20th Annual International Conference on Mechanical Engineering-ISME2012, Shiraz, Iran, 2012.

26.  Amiri, A., Roohi, E., Niazmand, H., Stefanov, S., Low speed/low rarefaction flow simulation in micro/nano cavity using DSMC method with small number of particle per cells, 1st European Conference on Gas Micro Flows, Greece, 2012. 

25.   Akhlaghi, H., Roohi, E., Thermal-Pressure-Driven Gas Flows through Micro Channels, 1st European Conference on Gas Micro Flows, Greece, 2012. 

24.  Ejtehadi, O., Abolfazli, J., Roohi, E., Compressibility and rarefaction effects on entropy and entropy generation in micro/nano-Couette flow using DSMC, 1st European Conference on Gas Micro Flows, Greece, 2012. 

23.   Ejtehadi, O., Roohi, E., Abolfazli, J., “DSMC Simulation of Shear Driven Flow in Nano Gap Structures”, Proceedings of the 4th International Conference on Nanostructures (ICNS4), Kish Island, Iran, March 2012. 

22.  Mohammadzadeh, A., Roohi, E., Niazmand, H., “Parallel DSMC simulation of Nano Cavity Structures”, Proceedings of the 4th International Conference on Nanostructures (ICNS4), Kish Island, Iran, March 2012. 

21. Zahiri, A. P., Ehsan Roohi, Mahmoud Passanideh-Fard, Validating LES Turbulence Model and VOF Approach in Cavitation Simulation Over Clark-Y Hydrofloil , 11th Iranian Aerosopace Society Conference, 2012, Tehran, Iran. 

2011

20. Alireza Mohammadzadeh , Ehsan Roohi, Hamid Niazmand , DETAILED INVESTIGATION OF THERMAL AND HYDRODYNAMIC FLOW BEHAVIOUR IN MICRO/NANO CAVITY USING DSMC AND NSF EQUATIONS , 9th International Conference on Nanochannels, Microchannels and Minichannels , 2011-06-19

19. Alireza Mohammadzadeh , Ehsan Roohi, Hamid Niazmand , Stefan Stefanov , DSMC SOLUTION FOR THE ADIABATIC AND ISOTHERMAL MICRO/NANO LID-DRIVEN CAVITY , 3rd GASMEMS Workshop - Bertinoro , 2011-06-06

18. Alireza Mohammadzadeh , Ehsan Roohi, Hamid Niazmand , Detailed Investigation of Rarefied Flow in Micro/Nano Lid-driven Cavities Using DSMC , 19th Annual Conference on Mechanical Engineering-ISME2011 , 2011-05-10

17.   Omid ejtehadi , Ehsan Roohi, Javad Abolfazli Esfahani , DSMC Simulation of Micro/Nano Shear Driven Flows , 10th Iranian Aerospace Society Conference , 2011-03-01

16. Alireza Mohammadzadeh , Ehsan Roohi, Hamid Niazmand , Simulation of Rarefied Gas Flow in Micro/Nano Cavity Using DSMC , 10th Iranian Aerospace Society Conference , 2011-03-01

15. Ehsan Roohi, M. Darbandi , Hybrid DSMC/Navier-Stokes Solution of Rarefied Micro-Nano Flows , 2nd GASMEMS Workshop , 2010-07-09

2009

14.Scanlon, T., Roohi, E., Macpherson, G., Reese, J., Trials of an Open Source DSMC code , DSMC SantaFe , 2009-09-05

13. Ehsan Roohi, Masoud Darbandi , Shidvash Vakilipour , Gerry E. Schneider , Mass Flow Rate Scaling of the Continuum-Based Equations Using Information Preservation Method , 41st AIAA Thermophysics Conference , 2009-06-22

12. Ehsan Roohi, Masoud Darbandi , Shidvash Vakilipour , Gerry E. Schneider , Physical Aspects of Rarefied Gas Flow in Micro to Nano Scale Geometries Using DSMC , 41st AIAA Thermophysics Conference , 2009-06-22

11. Ehsan Roohi, Masoud Darbandi , Vahid Mirjalili , Study of Gas Flows in Micro-Nano Scale Geometries Using an Unstructured DSMC Solver , Seventh International ASME Conference on Nanochannels, Microchannels and Minichannels ICNMM2009 , 2009-06-22

2008

10. Ehsan Roohi, Shidvash Vakilipour , Masoud Darbandi , Vahid Mirjalili , EXTENSION OF THE NAVIER-STOKES EQUATIONS TO TRANSITION REGIME USING INFORMATION PRESERVATION METHOD , Workshop on Moment Methods in Kinetic Gas Theory , 2008-11-06

9.   V. Mirjalili, M. Darbandi, E. Roohi, Heat Transfer Characteristics of Supersonic Flow in Nano-Geometries Using DSMC-IP Method, Proceeding of the 2nd International Congress on Nanoscience and Nanotechnology, ICNN 2008, Tabriz, Iran, 2008.

8. Ehsan Roohi, Masoud Darbandi , Vahid Mirjalili , DSMC Solution of Supersonic to Choked Subsonic Flow in Micro to Nano Channels , Sixth International ASME Conference on Nanochannels, Microchannels and Minichannels ICNMM2008 , 2008-06-23

7.  Hossein Moin ,Iman Rashidi, Mohammad Passandideh Fard , Mahmood Pasandideh Fard , Ehsan Roohi, Modeling Cavitation over Axisymmetric Bodies: VOF Technique versus Boundary Element Method , The 16th Annual Conference of the CFD Society of Canada , 2008-06-09

2006

6. Mohammad Passandideh Fard , Ehsan Roohi, A Computational Model for Cavitation Using Volume-of-Fluid Method , 14th Annual Conference of the CFD Society of Canada , 2006-08-06

5. Mohammad Passandideh Fard , Ehsan Roohi, Coalescence Collision of Two Droplets: Bubble Entrapment and the Effects of Important Parameters , 14th Annual (International) Mechanical Engineering Conference , 2006-05-01

4. M. Darbandi, V. Mokarizadeh and E. Roohi, A Non-Splitting Shock Capturing Technique on Collocated Finite Volume Grid, 14th Annual Conference of the CFD Society of Canada, 2006.

3. M. Passandideh-Fard and E. Roohi, Numerical Simulation of Cavitation over Axisymmetric Bodies Using Volume-of-Fluid Method, Accepted at The 6th International Symposium on Cavitation (CAV2006), Netherlands, 2006.

2.  J.A. Esfahani. and E. Roohi, Entropy Generation Analysis in Error Estimation of Approximate Solution Methods: Implemented to Conductive Problem, 7th ISHMT-ASME Heat & Mass Transfer Conference, IIT Guwahati, India, 2006.

2005

1. M. Darbandi, V. Mokarizadeh, and E. Roohi, Developing a New Linearization Technique for Capturing Normal Shock Waves in Euler Flow, 9th Iranian Fluid Dynamics Conference, Shiraz, Iran, 2005. (Persian)