All Stories

  1. A study on application of machine-learning on DBI soot diagnostics

    Article • Fuel, August 2023, Elsevier

    Professor Raul Payri

  2. A computational methodology to account for the liquid film thickness evolution in Direct Numerical Simulation of prefilming airblast atomization

    Article • International Journal of Multiphase Flow, April 2023, Elsevier

    Professor Raul Payri

  3. Effects of varying the liquid fuel type and air co-flow conditions on the microscopic spray characteristics in an atmospheric annular co-flow spray burner

    Article • Fuel, March 2023, Elsevier

    Professor Raul Payri

  4. Study of the hydraulic characteristics of two injectors fed with different fuels in a GDI system

    Article • Fuel, June 2022, Elsevier

    Professor Raul Payri

  5. Analysis of spray/wall impingement using an ECN single-hole injector and a controlled-temperature wall under realistic engine conditions

    Article • Applied Thermal Engineering, February 2022, Elsevier

    Professor Raul Payri

  6. ECN Spray D visualization of the spray interaction with a transparent wall under engine-like conditions, Part II: Impinging spray combustion

    Article • Fuel, January 2022, Elsevier

    Professor Raul Payri

  7. Numerical Analysis of GDI Flash Boiling Sprays Using Different Fuels

    Article • Energies, September 2021, MDPI AG

    Professor Raul Payri

  8. Understanding the effect of inter-jet spacing on lift-off length and ignition delay

    Article • Combustion and Flame, August 2021, Elsevier

    Professor Raul Payri

  9. Using momentum flux measurements to determine the injection rate of a commercial Urea Water Solution injector

    Article • Flow Measurement and Instrumentation, August 2021, Elsevier

    Professor Raul Payri

  10. High-Speed Infrared Measurement of Injector Tip Temperature during Diesel Engine Operation

    Article • Energies, July 2021, MDPI AG

    Professor Raul Payri

  11. Validation of a three-phase Eulerian CFD model to account for cavitation and spray atomization phenomena

    Article • Journal of the Brazilian Society of Mechanical Sciences and Engineering, March 2021, Springer Science + Business Media

    Professor Raul Payri

  12. Analysis of the Influence of Diesel Spray Injection on the Ignition and Soot Formation in Multiple Injection Strategy

    Article • Energies, July 2020, MDPI AG

    Professor Raul Payri

  13. Measurements of the mass allocation for multiple injection strategies using the rate of injection and momentum flux signals

    Article • International Journal of Engine Research, January 2020, SAGE Publications

    Professor Raul Payri

  14. Quantitative analysis of dribble volumes and rates using three-dimensional reconstruction of X-ray and diffused back-illumination images of diesel sprays

    Article • International Journal of Engine Research, July 2019, SAGE Publications

    Professor Raul Payri, Prof. Cyril Crua

  15. Experimental and analytical study on vapor phase and liquid penetration for a high pressure diesel injector

    Article • Applied Thermal Engineering, June 2018, Elsevier

    Professor Raul Payri

  16. Rate of injection modelling for gasoline direct injectors

    Article • Energy Conversion and Management, June 2018, Elsevier

    Professor Raul Payri

  17. A new approach to compute temperature in a liquid-gas mixture. Application to study the effect of wall nozzle temperature on a Diesel injector

    Article • International Journal of Heat and Fluid Flow, December 2017, Elsevier

    Professor Raul Payri

  18. Rate of injection measurements of a direct-acting piezoelectric injector for different operating temperatures

    Article • Energy Conversion and Management, December 2017, Elsevier

    Professor Raul Payri

  19. Differences between single and double-pass schlieren imaging on diesel vapor spray characteristics

    Article • Applied Thermal Engineering, October 2017, Elsevier

    Professor Raul Payri

  20. Experimental investigation of the effect of orifices inclination angle in multihole diesel injector nozzles. Part 2 – Spray characteristics

    Article • Fuel, July 2017, Elsevier

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  21. Methodology for Phase Doppler Anemometry Measurements on a Multi-Hole Diesel Injector

    Article • Experimental Techniques, October 2016, Springer Science + Business Media

    Professor Raul Payri

  22. On the rate of injection modeling applied to direct injection compression ignition engines

    Article • International Journal of Engine Research, July 2016, SAGE Publications

    Professor Raul Payri

  23. Boundary condition and fuel composition effects on injection processes of high-pressure sprays at the microscopic level

    Article • International Journal of Multiphase Flow, July 2016, Elsevier

    Professor Raul Payri

  24. Effect of turbulent model closure and type of inlet boundary condition on a Large Eddy Simulation of a non-reacting jet with co-flow stream

    Article • International Journal of Heat and Fluid Flow, July 2016, Elsevier

    Professor Raul Payri

  25. Velocity field analysis of the high density, high pressure diesel spray

    Article • International Journal of Multiphase Flow, April 2016, Elsevier

    Professor Raul Payri

  26. Fuel temperature influence on the performance of a last generation common-rail diesel ballistic injector. Part II: 1D model development, validation and analysis

    Article • Energy Conversion and Management, April 2016, Elsevier

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  27. Experimental and numerical study of lift-off length and ignition delay of a two-component diesel surrogate

    Article • Fuel, October 2015, Elsevier

    Professor Raul Payri

  28. Assessment on Internal Nozzle Flow Initialization in Diesel Spray Simulations

    Article • April 2015, SAE International

    Professor Raul Payri

  29. Verification of a new CFD compressible segregated and multi-phase solver with different flux updates-equations sequences

    Article • Applied Mathematical Modelling, January 2015, Elsevier

    Professor Raul Payri

  30. Editorial: Thermo- and fluid-dynamic processes in direct injection engines – THIESEL 2014 Special Issue

    Article • International Journal of Engine Research, January 2015, SAGE Publications

    Professor Raul Payri

  31. Experimental study of the relationship between injection rate shape and Diesel ignition using a novel piezo-actuated direct-acting injector

    Article • Applied Energy, April 2014, Elsevier

    Professor Raul Payri

  32. Simulation of the First Millimeters of the Diesel Spray by an Eulerian Spray Atomization Model Applied on ECN Spray A Injector

    Article • April 2014, SAE International

    Professor Raul Payri

  33. Engine combustion network: Influence of the gas properties on the spray penetration and spreading angle

    Article • Experimental Thermal and Fluid Science, February 2014, Elsevier

    Professor Raul Payri

  34. Needle lift profile influence on the vapor phase penetration for a prototype diesel direct acting piezoelectric injector

    Article • Fuel, November 2013, Elsevier

    Professor Raul Payri

  35. A Technique to Match the Refractive Index of Different Diesel Fuels with the Refractive Index of Transparent Materials to Improve the Experimental Visualization

    Article • Experimental Techniques, November 2013, Springer Science + Business Media

    Professor Raul Payri

  36. Transient Rate of Injection Effects on Spray Development

    Article • September 2013, SAE International

    Professor Raul Payri

  37. Schlieren Methodology for the Analysis of Transient Diesel Flame Evolution

    Article • SAE International Journal of Engines, September 2013, SAE International

    Professor Raul Payri

  38. Experimental characterization of diesel ignition and lift-off length using a single-hole ECN injector

    Article • Applied Thermal Engineering, September 2013, Elsevier

    Professor Raul Payri

  39. Study liquid length penetration results obtained with a direct acting piezo electric injector

    Article • Applied Energy, June 2013, Elsevier

    Professor Raul Payri

  40. Evaluation of Emissions and Performances from Partially Premixed Compression Ignition Combustion using Gasoline and Spark Assistance

    Article • April 2013, SAE International

    Professor Raul Payri, Prof. Antonio Garcia Martinez, Dr Javier Monsalve-Serrano

  41. An Experimental Approach in the Impact of Electric Fields on Liquid Fuel Spray Injection

    Article • April 2013, SAE International

    Professor Raul Payri

  42. Study of the influence of the inlet boundary conditions in a LES simulation of internal flow in a diesel injector

    Article • Mathematical and Computer Modelling, April 2013, Elsevier

    Professor Raul Payri

  43. Study of cavitation phenomenon using different fuels in a transparent nozzle by hydraulic characterization and visualization

    Article • Experimental Thermal and Fluid Science, January 2013, Elsevier

    Professor Raul Payri

  44. Understanding the Acoustic Oscillations Observed in the Injection Rate of a Common-Rail Direct Injection Diesel Injector

    Article • Journal of Engineering for Gas Turbines and Power, October 2012, ASME International

    Professor Raul Payri

  45. Combination of Visualization Techniques for the Analysis of Evaporating Diesel Sprays

    Article • Energy & Fuels, September 2012, American Chemical Society (ACS)

    Professor Raul Payri, Prof. Antonio Garcia Martinez

  46. Evaluation of natural and tracer fluorescent emission methods for droplet size measurements in a diesel spray

    Article • International Journal of Automotive Technology, July 2012, Springer Science + Business Media

    Professor Raul Payri

  47. An experimental study of gasoline effects on injection rate, momentum flux and spray characteristics using a common rail diesel injection system

    Article • Fuel, July 2012, Elsevier

    Professor Raul Payri, Prof. Antonio Garcia Martinez

  48. Effect of Injection Rate Shaping Over Diesel Spray Development in Non Reacting Evaporative Conditions

    Article • May 2012, ASME International

    Professor Raul Payri

  49. Understanding the Acoustic Oscillations Observed in the Injection Rate of a Common-Rail DI Diesel Injector

    Article • May 2012, ASME International

    Professor Raul Payri

  50. Schlieren Measurements of the ECN-Spray A Penetration under Inert and Reacting Conditions

    Article • April 2012, SAE International

    Professor Raul Payri

  51. Hydraulic Behavior and Spray Characteristics of a Common Rail Diesel Injection System Using Gasoline Fuel

    Article • April 2012, SAE International

    Professor Raul Payri, Prof. Antonio Garcia Martinez

  52. Fuel concentration in isothermal Diesel sprays through structured planar laser imaging measurements

    Article • International Journal of Heat and Fluid Flow, April 2012, Elsevier

    Professor Raul Payri

  53. A contribution to the understanding of cavitation effects in Diesel injector nozzles through a combined experimental and computational investigation

    Article • Computers & Fluids, April 2012, Elsevier

    Professor Raul Payri

  54. A New Methodology to Evaluate Engine Ignition Systems in High Density Conditions

    Article • Experimental Techniques, March 2012, Springer Science + Business Media

    Professor Raul Payri, Prof. Antonio Garcia Martinez

  55. Fuel temperature influence on diesel sprays in inert and reacting conditions

    Article • Applied Thermal Engineering, March 2012, Elsevier

    Professor Raul Payri

  56. Using one-dimensional modeling to analyse the influence of the use of biodiesels on the dynamic behavior of solenoid-operated injectors in common rail systems: Detailed injection system model

    Article • Energy Conversion and Management, February 2012, Elsevier

    Professor Raul Payri

  57. ENGINE COMBUSTION NETWORK (ECN): MEASUREMENTS OF NOZZLE GEOMETRY AND HYDRAULIC BEHAVIOR

    Article • Atomization and Sprays, January 2012, Begell House

    Professor Raul Payri

  58. EXPERIMENTAL AND COMPUTATIONAL STUDY OF THE INFLUENCE OF PARTIAL NEEDLE LIFT ON NOZZLE FLOWIN DIESEL FUEL INJECTORS

    Article • Atomization and Sprays, January 2012, Begell House

    Professor Raul Payri

  59. ENGINE COMBUSTION NETWORK (ECN): CHARACTERIZATION AND COMPARISON OF BOUNDARY CONDITIONS FOR DIFFERENT COMBUSTION VESSELS

    Article • Atomization and Sprays, January 2012, Begell House

    Professor Raul Payri

  60. ENGINE COMBUSTION NETWORK: COMPARISON OF SPRAY DEVELOPMENT, VAPORIZATION, AND COMBUSTION IN DIFFERENT COMBUSTION VESSELS

    Article • Atomization and Sprays, January 2012, Begell House

    Professor Raul Payri

  61. Large Eddy Simulation for high pressure flows: Model extension for compressible liquids

    Article • Mathematical and Computer Modelling, October 2011, Elsevier

    Professor Raul Payri

  62. Flow regime effects over non-cavitating diesel injection nozzles

    Article • Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering, September 2011, SAGE Publications

    Professor Raul Payri, Prof. Antonio Garcia Martinez

  63. Effect of Partial Needle Lift on the Nozzle Flow in Diesel Fuel Injectors

    Article • August 2011, SAE International

    Professor Raul Payri

  64. Experimental Evaluation of the Best Approach for Diesel Spray Images Segmentation

    Article • Experimental Techniques, April 2011, Springer Science + Business Media

    Professor Raul Payri, Prof. Antonio Garcia Martinez

  65. Influence of injector technology on injection and combustion development – Part 2: Combustion analysis

    Article • Applied Energy, April 2011, Elsevier

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  66. Influence of injector technology on injection and combustion development – Part 1: Hydraulic characterization

    Article • Applied Energy, April 2011, Elsevier

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  67. The effect of temperature and pressure on thermodynamic properties of diesel and biodiesel fuels

    Article • Fuel, March 2011, Elsevier

    Professor Raul Payri

  68. Experimental Study on RME Blends: Liquid-Phase Fuel Penetration, Chemiluminescence, and Soot Luminosity in Diesel-Like Conditions

    Article • Energy & Fuels, February 2011, American Chemical Society (ACS)

    Professor Raul Payri

  69. Flow regime effects on non-cavitating injection nozzles over spray behavior

    Article • International Journal of Heat and Fluid Flow, February 2011, Elsevier

    Professor Raul Payri

  70. Determination of the optical depth of a DI diesel spray

    Article • Journal of Mechanical Science and Technology, January 2011, Springer Science + Business Media

    Professor Raul Payri

  71. ANALYSIS OF TRANSIENT LIQUID AND VAPOR PHASE PENETRATION FOR DIESEL SPRAYS UNDER VARIABLE INJECTION CONDITIONS

    Article • Atomization and Sprays, January 2011, Begell House

    Professor Raul Payri

  72. ANALYSIS OF DIESEL SPRAY ATOMIZATION BY MEANS OF A NEAR-NOZZLE FIELD VISUALIZATION TECHNIQUE

    Article • Atomization and Sprays, January 2011, Begell House

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  73. Influence of cavitation phenomenon on primary break-up and spray behavior at stationary conditions

    Article • Fuel, October 2010, Elsevier

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  74. The potential of Large Eddy Simulation (LES) code for the modeling of flow in diesel injectors

    Article • Mathematical and Computer Modelling, October 2010, Elsevier

    Professor Raul Payri

  75. Experimental Study on RME Blends: Liquid-Phase Fuel Penetration, Chemiluminescence, and Soot Luminosity in Diesel-Like Conditions

    Article • Energy & Fuels, December 2009, American Chemical Society (ACS)

    Professor Raul Payri

  76. Cavitation effects on spray characteristics in the near-nozzle field

    Article • September 2009, SAE International

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  77. Study of cavitation phenomena based on a technique for visualizing bubbles in a liquid pressurized chamber

    Article • International Journal of Heat and Fluid Flow, August 2009, Elsevier

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  78. Effects of nozzle geometry on direct injection diesel engine combustion process

    Article • Applied Thermal Engineering, July 2009, Elsevier

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  79. Experimental Study of Biodiesel Blends’ Effects on Diesel Injection Processes

    Article • Energy & Fuels, June 2009, American Chemical Society (ACS)

    Professor Raul Payri, Prof. Antonio Garcia Martinez

  80. Influence on Diesel Injection Characteristics and Behavior Using Biodiesel Fuels

    Article • April 2009, SAE International

    Professor Raul Payri

  81. Understanding Diesel Injection Characteristics in Winter Conditions

    Article • April 2009, SAE International

    Professor Raul Payri

  82. Correction method for droplet sizing by laser-induced fluorescence in a controlled test situation

    Article • Optical Engineering, January 2009, SPIE

    Professor Raul Payri

  83. Spray droplet velocity characterization for convergent nozzles with three different diameters

    Article • Fuel, November 2008, Elsevier

    Professor Raul Payri

  84. Effect of fuel properties on diesel spray development in extreme cold conditions

    Article • Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering, September 2008, SAGE Publications

    Professor Raul Payri

  85. Phase doppler measurements: system set-up optimization for characterization of a diesel nozzle

    Article • Journal of Mechanical Science and Technology, August 2008, Springer Science + Business Media

    Professor Raul Payri

  86. Diesel nozzle geometry influence on spray liquid-phase fuel penetration in evaporative conditions

    Article • Fuel, June 2008, Elsevier

    Professor Raul Payri

  87. Combined CFD-Phenomenological Approach to the Analysis of Diesel Sprays under Non-Evaporative Conditions

    Article • April 2008, SAE International

    Professor Raul Payri

  88. Macroscopic Behavior of Diesel Sprays in the Near-Nozzle Field

    Article • SAE International Journal of Engines, April 2008, SAE International

    Professor Raul Payri, Ass. Prof. Joaquin De la Morena

  89. A NEW METHODOLOGY FOR CORRECTING THE SIGNAL CUMULATIVE PHENOMENON ON INJECTION RATE MEASUREMENTS

    Article • Experimental Techniques, January 2008, Springer Science + Business Media

    Professor Raul Payri

  90. Influence of Nozzle Geometry on Spray Characteristics in Non-evaporative and Evaporative Conditions

    Article • September 2007, SAE International

    Professor Raul Payri

  91. On the dependence of spray momentum flux in spray penetration: Momentum flux packets penetration model

    Article • Journal of Mechanical Science and Technology, July 2007, Springer Science + Business Media

    Professor Raul Payri

  92. A contribution to the understanding of isothermal diesel spray dynamics

    Article • Fuel, May 2007, Elsevier

    Professor Raul Payri

  93. Setting up a PDPA system for measurements in a Diesel spray

    Article • Journal of Physics Conference Series, July 2006, Institute of Physics Publishing

    Professor Raul Payri

  94. Development and validation of a theoretical model for diesel spray penetration

    Article • Fuel, May 2006, Elsevier

    Professor Raul Payri

  95. Prediction of Spray Penetration by Means of Spray Momentum Flux

    Article • April 2006, SAE International

    Professor Raul Payri

  96. Applying analytical ferrography as a technique to detect failures in Diesel engine fuel injection systems

    Article • Wear, February 2006, Elsevier

    Professor Raul Payri

  97. Different Measurement Techniques to Determine Hole to Hole Dispersion in a Real Diesel Injector

    Article • January 2006, ASME International

    Professor Raul Payri

  98. Determination of diesel sprays characteristics in real engine in-cylinder air density and pressure conditions

    Article • Journal of Mechanical Science and Technology, November 2005, Springer Science + Business Media

    Professor Raul Payri

  99. Comparison between Different Hole to Hole Measurement Techniques in a Diesel Injection Nozzle

    Article • May 2005, SAE International

    Professor Raul Payri

  100. Study of the influence of nozzle seat type on injection rate and spray behaviour

    Article • Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering, May 2005, SAGE Publications

    Professor Raul Payri

  101. Study of the Influence of Geometrical and Injection Parameters on Diesel Sprays Characteristics in Isothermal Conditions

    Article • April 2005, SAE International

    Professor Raul Payri

  102. Using spray momentum flux measurements to understand the influence of diesel nozzle geometry on spray characteristics

    Article • Fuel, March 2005, Elsevier

    Professor Raul Payri

  103. Using one-dimensional modelling codes to analyse the influence of diesel nozzle geometry on injection rate characteristics

    Article • International Journal of Vehicle Design, January 2005, Inderscience Publishers

    Professor Raul Payri

  104. Investigation of the Influence of Injection Rate Shaping on the Spray Characteristics in a Diesel Common Rail System Equipped with a Piston Amplifier

    Article • Journal of Fluids Engineering, January 2005, ASME International

    Professor Raul Payri

  105. EXPERIMENTAL CHARACTERIZATION OF INTERNAL NOZZLE FLOW AND DIESEL SPRAY BEHAVIOR. PART II: EVAPORATIVE CONDITIONS

    Article • Atomization and Sprays, January 2005, Begell House

    Professor Raul Payri

  106. EXPERIMENTAL CHARACTERIZATION OF INTERNAL NOZZLE FLOW AND DIESEL SPRAY BEHAVIOR. PART I: NONEVAPORATIVE CONDITIONS

    Article • Atomization and Sprays, January 2005, Begell House

    Professor Raul Payri

  107. Influence of Nozzle Seat Type on Internal Flow of Convergent Nozzles

    Article • June 2004, SAE International

    Professor Raul Payri

  108. Effects of the Operating Variables and Atomization Parameters on Diesel Spray Characteristics by Means of a Transient Evaporative Spray Atomization Model

    Article • June 2004, SAE International

    Professor Raul Payri

  109. CRITICAL CAVITATION NUMBER DETERMINATION IN DIESEL INJECTION NOZZLES

    Article • Experimental Techniques, May 2004, Springer Science + Business Media

    Professor Raul Payri

  110. The influence of cavitation on the internal flow and the spray characteristics in diesel injection nozzles

    Article • Fuel, March 2004, Elsevier

    Professor Raul Payri

  111. Diesel Injection System Modelling. Methodology and Application for a First-generation Common Rail System

    Article • Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering, January 2004, SAGE Publications

    Professor Raul Payri

  112. Analysis of the Influence of Diesel Nozzle Geometry in the Injection Rate Characteristic

    Article • Journal of Fluids Engineering, January 2004, ASME International

    Professor Raul Payri

  113. Measurements of Spray Momentum for the Study of Cavitation in Diesel Injection Nozzles

    Article • March 2003, SAE International

    Professor Raul Payri

  114. NEW TECHNIQUE FOR DETERMINATION OF INTERNAL GEOMETRY OF A DIESEL NOZZLE WITH THE USE OF SILICONE METHODOLOGY

    Article • Experimental Techniques, March 2003, Springer Science + Business Media

    Professor Raul Payri

  115. A CFD ANALYSIS OF THE INFLUENCE OF DIESEL NOZZLE GEOMETRY ON THE INCEPTION OF CAVITATION

    Article • Atomization and Sprays, January 2003, Begell House

    Professor Raul Payri

  116. A Numerical Study of the Influence of Diesel Nozzle Geometry on the Inner Cavitating Flow

    Article • March 2002, SAE International

    Professor Raul Payri

  117. Modeling the Exhaust System in Two-Stroke Small Engines

    Article • October 2001, SAE International

    Professor Raul Payri

  118. Evaluation through pressure and mass velocity distributions of the linear acoustical description of I. C. engine exhaust systems

    Article • Applied Acoustics, August 2000, Elsevier

    Professor Raul Payri

  119. A study of the influence of mean flow on the acoustic performance of Herschel–Quincke tubes

    Article • The Journal of the Acoustical Society of America, April 2000, Acoustical Society of America (ASA)

    Professor Raul Payri

  120. The Use of Transfer Matrix for the Design of Interferencial Systems in Exhaust Mufflers

    Article • March 2000, SAE International

    Professor Raul Payri

  121. On the Influence of Manifold Geometry on Exhaust Noise

    Article • May 1999, SAE International

    Professor Raul Payri

  122. Numerical Estimation of End Corrections in Extended-Duct and Perforated-Duct Mufflers

    Article • Journal of Vibration and Acoustics, January 1999, ASME International

    Professor Raul Payri