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Address : Tehran-Narmak-Iran University of Science & Technology-School of Advanced Technologies

Zip Code :1684613114

Tel : +98(21)73225800

Fax : +98(21)77240380

Email :fn@iust.ac.ir  

..
:: Dr. Roohollah Ahmadi ::
 

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Name : Rouhollah Ahmadi

Assistant Professor

Contact: +982173225800

email: ahmadi@iust.ac.ir
google scholar:
https://scholar.google.com/citations?hl=en&user=TzNcI2kAAAAJ
 

Education

-    PhD in Mechanical Engineering, Osaka University, Osaka, Japan, (2013)
-    M.Sc in Mechanical Engineering, Sharif University of Technology, Tehran, Iran, (2007)
-    B.Sc in Mechanical Engineering, Sharif University of Technology, Tehran, Iran, (2004)


 Working Experiences / Appointment
-    Assistant Professor, Iran University of Science and Technology, (2013)
-    Consultant of deputy of scholarships department, MSRT, Iran, (2013)
-    Robat Makhzan Co., Tehran, Iran,(2007-2009)
o    Manager of Quality Control Department
-    Atmosphere Ind. & Manf. Co., Tehran, Iran, (2004-2007)
o    Manager of Quality Control Department
-    Alfam Ind. Co., Tehran, Iran, (2002-2004)
o    Member of R&D group: improvement of radiator design
-    SAPCO, Tehran, Iran, (Internship, 2002)
o    Design of a Test Room for Performance Test of Automotive HVAC

Teaching Experience

-    Auto-mechanics Lab, Sharif University of technology
-    Analysis of System Energy, Novel Technologies Department, Iran University of Science and Technology
-    General Physics I, Department of Energy Engineering and physics, Amirkabir University of Technology
-    Continuum of mechanics, Mechanical Engineering Department, Saveh-Energy Education Institute  

Research Area / Research Interest

-    Optimization of system energy
-    Multiphase flow and Boiling Heat Transfer,
-    Renewable energy
-    Combined heat and power(CHP)
-    Experimental method/Computational method of Fluid Dynamics and Heat and Mass Transfer

Journal papers:

  1. S.H. Razavi, R. Ahmadi, A. Zahedi, Modeling, simulation and dynamic control of solar assisted ground source heat pump to provide heating load and DHW, Applied Thermal Engineering 129 (2018) 127–144
  2. S.M Hosseini, R.  Ahmadi, Performance and emissions characteristics in the combustion of co-fuel diesel-hydrogen in a heavy duty engine, Applied Energy 205 (2017) 911–925
  3. < >, S. M. Pourfatemi, S. Ghaffari, Exergoeconomic optimization of hybrid system of GT, SOFC and MED implementing genetic algorithm, Desalination Volume 411, 1 June 2017, Pages 76–88
  4. R. Ahmadi, T. Okawa, Influence of surface wettability on bubble behavior and void evolution in subcooled flow boiling, International Journal of Thermal Sciences 97, pp. 114-125, 2015
  5. R. Ahmadi,  T. Okawa, Recognition Of Net Vapor Generation In Subcooled Flow Boiling, I Journal of  Multidisciplinary Engineering Science and Technology (ISSN:  3159-0040), Vol. 2, Issue 3, pp. 465-469 (2015)
  6. R. Ahmadi, T. Ueno, T. Okawa, Visualization study on the mechanisms of net vapor generation in water subcooled flow boiling under moderate pressure conditions International Journal of Heat and Mass Transfer, Vol. 70, pp. 137-151 (2014).
  7. R. Ahmadi, T. Ueno, T. Okawa, Experimental identification of the phenomenon triggering the net vapor generation in upward subcooled flow boiling of water at low pressure, International Journal of Heat and Mass Transfer, Vol. 55, No. 21-22, pp. 6067-6076 (2012).
  8. R. Ahmadi, T. Ueno, T. Okawa, Bubble dynamics at boiling incipience in subcooled upward flow boiling, International Journal of Heat and Mass Transfer, Vol. 55, No. 1-3, pp. 488-497 (2012).
  9. R. Ahmadi, T. Ueno, T. Okawa, Vapor bubble dynamics in upward subcooled flow boiling during void evolution, International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering Vol:6, No:9, (2012).
  10. R. Ahmadi, A. Nouri-Borujerdi, J. Jafari, I. Tabatabaei, Experimental study of onset of subcooled annular flow boiling, Progress in Nuclear Energy, Vol. 51, pp. 361-365 (2009).


-    Conferences:

1.    R. Ahmadi, T. Ueno, T. Okawa, Visualization of bubble dynamics in water subcooled flow boiling at low pressure, 20th International Conference on Nuclear Engineering, Paper No. 54727 (2012).
2.    R. Ahmadi, T. Ueno, T. Okawa, Effect of surface wettability on void development in forced-convective subcooled nucleate boiling, 4th Korea-Japan Seminar on Nuclear Thermal Hydraulics and Safety for Students and Young Researchers (2012)
3.    R. Ahmadi, T. Ueno, T. Okawa, Vapor bubble dynamics in upward subcooled flow boiling during void evolution, World Academy of Science, Engineering and Technology, Vol. 69, pp. 1133-1140 (2012).
4.    R. Ahmadi, T. Ueno, T. Okawa, Visual investigation of void in the course of development in subcooled flow boiling, Annual Meeting of the Japanese Society for Multiphase Flow (2012).
5.    T. Ueno, R. Ahmadi, T. Okawa, Reattach of the bubble in subcooled flow boiling under low pressure, Annual Meeting of the Japanese Society for Multiphase Flow (2012).
6.    R. Ahmadi, T. Ueno, T. Okawa, Visualization Study to Investigate the NVG Mechanisms in Subcooled Flow Boiling, Annual Meeting of the Japanese Society for Mechanical Engineers (2012).
7.    T. Okawa, Y. Yamagoe, R. Ahmadi, Void fraction evolution in subcooled flow boiling under low-pressure and low-flow condition, 14th International Topical Meeting on Nuclear Reactor Thermalhydraulics, Paper No. 117 (2011).
8.    R. Ahmadi, T. Ueno, T. Okawa, Bubble behavior in subcooled flow boiling in a vertical rectangular channel, 19th International Conference on Nuclear Engineering, Paper No. 43556 (2011).
9.    R. Ahmadi, T. Okawa, Bubble dynamics in subcooled flow boiling under low void fraction condition, Annual Meeting of the Atomic Energy Society of Japan (2011).
10.    T. Ueno, T. Okawa, R. Ahmadi, Experimental study on bubble behavior at ONB in subcooled flow boiling, Annual Meeting of the Japanese Society for Multiphase Flow (2011).
11.    R. Ahmadi, T. Ueno, T. Okawa, Experimental study on void fraction in low-pressure subcooled flow boiling, Annual Meeting of the Atomic Energy Society of Japan (2011).
12.    T. Okawa, R. Ahmadi, T. Ueno, Mechanisms of void evolution in subcooled flow boiling, 15th Organized Multiphase Flow Forum (2011).
13.    R. Ahmadi, T. Ueno, T. Okawa, Influence of mass flux on bubble interaction during upward subcooled flow boiling, 7th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety, Paper No. N7P0026 (2010).
14.    R. Ahmadi, Y. Yamagoe, T. Okawa, Bubble coalescence effect on axial development of void fraction in subcooled flow boiling, Annual Meeting of the Japanese Society for Multiphase Flow (2010).
15.    T. Okawa, Y. Yamagoe, R. Ahmadi, A study on axial development of vapor void fraction in subcooled flow boiling, Annual Meeting of the Japanese Society for Mechanical Engineers (2010).
16.    T. Okawa, R. Ahmadi, T. Ueno, Mechanism of void fraction determination in subcooled flow boiling, Annual Meeting of the Atomic Energy Society of Japan (2010).

Dissertations
-    “A Study on the Thermal-Hydraulic Structure in Subcooled Flow Boiling”, Supervisor: Prof. Isao Kataoka  & Prof. Tomio Okawa, PhD Thesis.
-    “Experimental Study on the Onset of Nucleate Boiling (ONB) in Annular Subcooled Flow Boiling”, Supervisor: Prof. Ali Nouri-Borujerdi, MSc Thesis.
-    “Experimental Investigation on Heat Rate of Household Heating Radiators and Convectors manufactured in Iran”, Supervisor: Prof. Mohammad Hassan Saidi, BSc Thesis.

Honors and Awards

-    PhD scholarship awarded from Ministry of Science, Research and Technology of Iran, (2010-2013).
-    Research assistant scholarship awarded from Osaka University, Japan, (2010, 2013).
-    Ranked first in M.Sc, (2007).
-    Selected as the best manager in Atmosphere Co., (2006).

 

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