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Graduate School of Science and Engineering
Mechanical Engineering

Spray and Combustion Science Laboratory

Website of the Laboratory 【In Japanese】


Jiro SENDA [Professor]

Acceptable course
Master's degree course
Doctoral degree course
Telephone : +81-774-65-6405
Office : KK-301
Database of Researchers

Acceptable course
Master's degree course
Doctoral degree course
Telephone : +81-774-65-6466
Office : YM-326
Database of Researchers

Major Research Topics

  • Development of High Spatial Resolution Imaging with newly designed Lens–Camera system
  • Development of hydrogen fueled direct-injection diesel engine with DME intake addition
  • Capability of several kinds of Bio Diesel Fuel application to spray combustion
  • Systematic Study on the Spray Characteristics of the Unsteady Fuel Spray
  • Experimental Study on Cavitation Bubbles Formation Process inside the Injection Nozzle
  • Modeling of Spray Impinging on the Wall during Cold Start of DISI
  • Fuel Design Concept by use of several kinds of Mixing Fuels for high efficiency and lower emission spray combustion system for both of Gasoline and Diesel engines
  • High Efficiency and Low Emission combustion method by Spatial and Temporal Combustion Control with Multiple Stage fuel injection
  • Spray Formation for Low Heat Loss combustion in Spark Ignition Engine
  • Systematic Development of RANS CFD Code for engine spray combustion scheme – spray ~ wall interaction, multi-component fuel evaporation, flash boiling sprays
  • Numerical Analysis of Evaporation and Ignition Processes in Diesel Fuel Spray by Large Eddy Simulation
  • Modeling of Urea Spray evaporation and reaction process for SCR system
  • Numerical Analysis of Cavitation Phenomenon inside the Injection Nozzle
  • Study on Optimal Energy system for Residence Town – Sustainable Urban City Project
  • Community Energy Grid optimization by considering interchange of electricity and Heat in Regional Scale
The Spray and Combustion Science Laboratory is undertaking 30 research projects in the following six categories: “1. Optical measurement,” “2. Fuel research,” “3. Spray research,” “4. Chemical reactions and combustion research,” “5. Numerical simulation and modeling,” and “6. Sustainable Urban Design with Optimum Energy Application.”
“1. Optical measurement”
involve the use of various laser-based, leading-edge optical measurement technologies for the highly accurate, non-contact measurements of fuel vapor, chemical species, temperatures, and concentrations inside engines to facilitate the spray combustion process.
“2. Fuel research”
includes the development of practical hydrogen-diesel engines, next-generation biofuels, and new methods for fuel reforming. In particular, the proposal of fuel-design theories including LCA, and of high-efficiency, low-emission spray combustion methods.
“3. Spray research”
is a systematic approach to engine spray research, including modeling of cavitation in nozzles, the disintegration process, and the spray process.
“4. Chemical reactions and combustion research”
includes the highly accurate numerical simulation of soot particles in the combustion field using chemical reaction dynamics; research on the application of a low-emission combustion method, homogeneous charge compression ignition (HCCI), to diesel engines; and the elucidation of new combustion methods by fuel design techniques.
“5. Numerical simulation and modeling”
includes integrating the previously developed spray-wall impinging model and flash-boiling spray model into a multi-dimensional simulation scheme, and simultaneously advancing research on the highly accurate numerical simulation of the spray combustion process using Large Eddy Simulations.
“6. Sustainable Urban Design with Optimum Energy Application”
involves investigating new areas, such as on-board measurements of performance and emission data during diesel vehicle operation; research on cogeneration systems for high-efficiency, thermoelectric-conversion; research on forming CVD semiconductor layers using flash boiling spray; and research on the manufacture of nano-particles.


  • Spray dynamics
  • Combustion engineering
  • Internal combustion engines
  • Thermofluid engineering
  • Optical measurement
  • Cavitation engineering
  • Modeling and Computed Fluid Dynamics
  • Sustainable Urban Design with Optimum Energy Application