Introduction

Background

Objectives


Test facility

Diagnostic techniques


Cross-flow influence

Overall boiling curves

Intermittent cooling efficiency

Heat transfer correlations






 

 
Advances in Intermittent Spray Impact Research

micro nano engineering
   

  Publications

Peer-reviewed Journals

“Heat transfer correlation for intermittent spray impingement: a dynamic approach”, M.R.O. Panão and A.L.N. Moreira. Journal of Thermal Sciences (2009) doi:10.1016/j.ijthermalsci.2009.02.018.

“Simultaneous PDA and wall heat flux measurements to develop a dynamic heat transfer correlation for fuel-spray impingement in port-fuel systems”, M. R. O. Panão, D.F. Durão and A. L. N. Moreira, 2009. To appear in the International Review of Mechanical Engineering, Praise Worthy Prize.

“Intermittent spray cooling: a new technology for controlling surface temperature”, M. R. O. Panão and A. L. N. Moreira. International Journal of Heat and Fluid Fow , 30 (2009) 117-130.

“A real-time assessment of measurement uncertainty in the experimental characterization of sprays”, M. R. Panão and A. L. N. Moreira, Measurement Science and Technology, Volume 19, Number 9, September 2008.

“Interpreting the influence of fuel spray impact on mixture preparation for HCCI combustion with port-fuel injection” (2007) M. R. O. Panão and A. L. N. Moreira, Proceedings of the Combustion Institute, vol. 31, pp. 2205-2213.

“An experimental methodology to quantify the spray cooling event at intermittent spray impact” (2006), A. L. N. Moreira, J. Carvalho and M. R. O. Panão. International Journal of Heat and Fluid Flow. In press, Available on line at 22 May 2006.

“Heat Transfer at Multiple-Intermittent Impacts of a Hollow Cone Spray” (2006) M. R. O. Panão and A. L. N. Moreira, Journal of Heat and Mass Transfer, Vol. 49, issues 21-22, Pages 4132-4151.

“Thermo-and fluid dynamic characterization of spray cooling with pulsed sprays” (2005), M. R. O. Panão and A. L. N. Moreira. Experimental Thermal and Fluid Science, Volume 30, Issue 2, 79 - 96.

“Flow characteristics of spray impingement in PFI injection systems” (2005), M. R. Panão and A. L. N. Moreira. Experiments in Fluids, Vol. 39, No 2, pp. 364 - 374.

“Experimental characterization of intermittent gasoline sprays impinging under cross flow conditions” (2005), M. R. O. Panão and A. L. N. Moreira. Atomization and Sprays, vol. 15, pp. 201 – 222.

“Experimental study of the flow regimes resulting from the impact of an intermittent gasoline spray” (2004), M. R. O. Panão and A. L. N. Moreira, Experiments in Fluids, 37, 834 – 855.

“Visualization and analysis of spray impingement under cross flow conditions” (2002), M. R. Panão and A. L. N. Moreira. In: Gasoline Direct Injection Engines 2002, SAE Publication SP-1719, pp.135 – 146.

Internacional Conferences

“Multijet spray characteristics for spray cooling”, M. R. O. Panão, J. L. C. V. Rosa and A. L. N. Moreira, 11th International Conference on Liquid Atomization and Spray Systems, July 26-30 2009, Vail Colorado, USA.

“Secondary atomization characteristics in intermittent spray cooling”, M. R. O. Panão and A. L. N. Moreira, 22nd Annual Conference on Liquid Atomization and Spray Systems, Como, Italy, 07th - 10th September 2008.

“Multijet atomization for spray cooling applications”, M. R. O. Panão, J. L. C. V. Rosa and A. l. N. Moreira, 22nd Annual Conference on Liquid Atomization and Spray Systems, Como, Italy, 07th - 10th September 2008.

“Direct-Contact-Intermittent-Spray-Cooling for Thermal Management of a Computer Processor”, Tiago H. Moita, Marcelino B. dos Santos and António L. N. Moreira, 22nd Annual Conference on Liquid Atomization and Spray Systems, Como, Italy, 07th - 10th September 2008.

“Simultaneous PDA and wall heat flux measurements to develop a dynamic heat transfer correlation for fuel-spray impingement in port-fuel injection systems”, M.R.O. Panão, D. F. G. Durão and A.L.N. Moreira, 14th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon 07-10 July, 2008.

“Multiple regime heat transfer correlation for spray/wall interaction and thermo-induced secondary atomization characteristics”, M. R. O. Panão and A. L. N. Moreira, 21st Annual Conference on Liquid Atomization and Spray Systems, Mugla, Tuquia, 10th - 13th September 2007.

“Intermittent spray cooling: towards a new technological concept”, M R O Panão and A L N Moreira, Proceedings of the International Conference on Multiphase Flow ICMF 2007, Leipzig, June 9-13, 2007

“Two-phase cooling characteristics of a multiple-intermittent spray”, M. R. O. Panão and A. L. N. Moreira, 13th International Symposium on Applications of Laser Techniques to Fluid Mechanics, 26 – 29 June 2006, Lisbon.

“The effect of the cross airflow on secondary atomization in multi point fuel injection systems”, D. Durão, A. L. N. Moreira and M. R. O. Panão, 13th International Symposium on Applications of Laser Techniques to Fluid Mechanics, 26 – 29 June 2006, Lisbon.

“Multiple-intermittent spray cooling for fast response thermal management systems”, M. R. O. Panão and A. L. N. Moreira, 10th International Congress on Liquid Atomization and Spray Systems - August 27 - September 1, 2006, Kyoto, Japan.

“Interpreting the influence of fuel spray impact on mixture preparation for HCCI combustion with port-fuel injection”, M. R. O. Panão and A. L. N. Moreira, Thirty-first International Symposium on Combustion Colloquium Session Spray and Droplet Combustion, August 6-11, 2006, Heidelberg, Germany

“The effects of fuel impact on mixture preparation in SI engines with port fuel injection” (2005), A. L. N. Moreira, J. Carvalho and M. R. Panão, SAE Technical Paper 2005-24-083, 7th International Conference on Engines for Automobile, ICE 2005, Capri, Italy, September, 11 – 16, 2005.

“The thermal interaction of pulsed sprays with hot surfaces – application to Port-Fuel Gasoline Injection systems”, M. R. Panão and A. L. Moreira. 20th Annual Conference on Liquid Atomization and Spray Systems, Orléans, France, 5th - 7th September 2005.

“Time resolved heat transfer characteristics of an impinging gasoline spray” (2004), M. R. O. Panão and A. L. N. Moreira. 19th Annual Meeting of the ILASS Europe, Setembro 2004.

“Flow characteristics of spray impingement in PFI injection systems” (2004), M. R. O. Panão and A. L. N. Moreira. 12th Int. Symp. On Applications of Laser Techniques, Lisbon, July 2004.

“Simultaneous measurements of droplet characteristics and surface thermal behavior to study spray cooling with pulsed sprays” (2004), H. Loureiro, M. R. O. Panão and A. L. N. Moreira. 12th Int. Symp. On Applications of Laser Techniques, Lisbon, July 2004.

“Experimental characterization of spray-wall interaction under cross-flow conditions” (2003), M. R. O. Panão and A. L. N. Moreira. 9th International Conference on Liquid Atomization and Spray Systems

“Experiments on impinging intermittent sprays: dynamic behaviour of impact” (2003), A. L. N. Moreira, A. S. H. Moita and M. R. Panão. III Congresso Luso – Moçambicano de Engenharia, Maputo, Moçambique, 19 – 21 Agosto, 2003.

“Spray impingement on a flat plate under cross flow conditions” (2002), M. R. Panão and A. L. N. Moreira, Proc. Of the 18th Annual Conference on Liq. Atom. And Spray Systems, pp. 151 – 156.