• 1615 Citations
  • 22 h-Index
19952019

Research output per year

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Research Output

3D CFD of auto-ignition at the end gas region in dual-fuel gas engine

Kawahara, N. & Tomita, E., Jan 1 2019.

Research output: Contribution to conferencePaper

An aerosol nozzle that improves the spray agglomerative characteristics for optimal insecticide delivery to the target

Ikeda, Y., Kim, S. M., Horibe, Y., Takaki, S. & Kawahara, N., Dec 1 2006.

Research output: Contribution to conferencePaper

An experimental investigation on engine performance and emissions of a supercharged H2-diesel dual-fuel engine

Roy, M. M., Tomita, E., Kawahara, N., Harada, Y. & Sakane, A., Jan 1 2010, In : International Journal of Hydrogen Energy. 35, 2, p. 844-853 10 p.

Research output: Contribution to journalArticle

67 Citations (Scopus)

Attainment of High Thermal Efficiency and Near-zero Emissions by Optimizing Injected Spray Configuration in Direct Injection Hydrogen Engines

Oikawa, M., Takagi, Y., Mihara, Y., Kawahara, N., Tomita, E. & Naitoh, K., Dec 19 2019, In : SAE Technical Papers. December

Research output: Contribution to journalConference article

Auto-ignited kernels during knocking combustion in a spark-ignition engine

Kawahara, N., Tomita, E. & Sakata, Y., Sep 24 2007, In : Proceedings of the Combustion Institute. 31 II, p. 2999-3006 8 p.

Research output: Contribution to journalConference article

83 Citations (Scopus)

Characterisation of DME-HCCI combustion cycles for formaldehyde and hydroxyl UV–vis absorption

Azimov, U., Stylianidis, N., Kawahara, N. & Tomita, E., Dec 15 2017, In : Fuel. 210, p. 578-591 14 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Characterization of the spray of the DISI multi-hole injector by means of phase doppler anemometer

Ahmed, F., Kawahara, N., Tomita, E. & Sumida, M., Oct 1 2010, In : Journal of Thermal Science and Technology. 5, 1, p. 36-50 15 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Chemical kinetics and CFD analysis of supercharged micro-pilot ignited dual-fuel engine combustion of syngas

Stylianidis, N., Azimov, U., Maheri, A., Tomita, E. & Kawahara, N., Sep 1 2017, In : Fuel. 203, p. 591-606 16 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
1 Citation (Scopus)

CO2 concentration measurements inside expansion-compression engine under high EGR conditions using an infrared absorption method

Ahmed, F. B. M., Esmail, M. F. C., Kawahara, N. & Tomita, E., 2019, (Accepted/In press) In : Ain Shams Engineering Journal.

Research output: Contribution to journalArticle

Open Access

Combusting flow simulation in an oil furnace

Ikeda, Y., Kawahara, N. & Nakajima, T., Jan 1 1996, In : Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 62, 598, p. 2481-2489 9 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)
Open Access
4 Citations (Scopus)

Combustion characteristics and NOX emissions of biogas fuels with various CO2 contents in a micro co-generation spark-ignition engine

Kim, Y., Kawahara, N., Tsuboi, K. & Tomita, E., Nov 15 2016, In : Applied Energy. 182, p. 539-547 9 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Combustion Characteristics and Performance of Supercharged Micro-pilot Natural Gas Engine

Kawahara, N., 2006, In : FISITA2006,. Paper, No.F2006P230

Research output: Contribution to journalArticle

Combustion characteristics of wet ethanol ignited using a focused Q-switched Nd:YAG nanosecond laser

Rahman, K. M., Kawahara, N., Tsuboi, K. & Tomita, E., Feb 1 2016, In : Fuel. 165, p. 331-340 10 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Comparison of performance and emissions of a supercharged dual-fuel engine fueled by hydrogen and hydrogen-containing gaseous fuels

Roy, M. M., Tomita, E., Kawahara, N., Harada, Y. & Sakane, A., Jun 1 2011, In : International Journal of Hydrogen Energy. 36, 12, p. 7339-7352 14 p.

Research output: Contribution to journalArticle

38 Citations (Scopus)

Cycle-resolved measurements of the fuel concentration near a spark plug in a rotary engine using an in situ laser absorption method

Kawahara, N., Tomita, E., Hayashi, K., Tabata, M., Iwai, K. & Kagawa, R., Sep 24 2007, In : Proceedings of the Combustion Institute. 31 II, p. 3033-3040 8 p.

Research output: Contribution to journalConference article

36 Citations (Scopus)

Cycle-resolved residual gas concentration measurement inside a heavy-duty diesel engine using infrared laser absorption

Kawahara, N., Tomita, E., Ohtsuki, A. & Aoyagi, Y., Feb 3 2011, In : Proceedings of the Combustion Institute. 33, 2, p. 2903-2910 8 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Densitometry and temperature measurement of combustion gas by X-ray Compton scattering

Sakurai, H., Kawahara, N., Itou, M., Tomita, E., Suzuki, K. & Sakurai, Y., Mar 1 2016, In : Journal of Synchrotron Radiation. 23, 2, p. 617-621 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
Open Access
3 Citations (Scopus)

Differences between PREMIER combustion in a natural gas spark-ignition engine and knocking with pressure oscillations

Kawahara, N., Kim, Y., Wadahama, H., Tsuboi, K. & Tomita, E., Jan 1 2018, (Accepted/In press) In : Proceedings of the Combustion Institute.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Direct microscopic image and measurement of the atomization process of a port fuel injector

Esmail, M., Kawahara, N., Tomita, E. & Sumida, M., Jan 1 2010, In : Measurement Science and Technology. 21, 7, 075403.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Droplet dispersion and turbulent structure in a pressure-atomized spray flame

Kawahara, N., Ikeda, Y. & Nakajima, T., 1997, 35th Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics Inc, AIAA, AIAA Paper 97-0125

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Effect of Aconstic Streaming on the Mass Transter from a sublimaing sphere

Kawahara, N., 2000, In : Physics of Fluids. 12, 4, p. 912-923 12 p.

Research output: Contribution to journalArticle

Effect of Acoustic Streaming on the Mass Transfer from a Sublimating Sphere

Kawahara, N., 2000, In : Physics of Fluids. Vol.12, No.4, p. 912-923 12 p.

Research output: Contribution to journalArticle

38 Citations (Scopus)
6 Citations (Scopus)

Effect of Bio-Gas Contents on SI Combustion for a Co-Generation Engine

Kim, Y., Kawahara, N., Tomita, E., Oshibe, H. & Nishikawa, K., Sep 1 2015, In : SAE Technical Papers. 2015-September, September

Research output: Contribution to journalArticle

4 Citations (Scopus)

Effect of EGR on combustion and exhaust emissions in supercharged dual-fuel natural gas engine ignited with diesel fuel

Tomita, E., Harada, Y., Kawahara, N. & Sakane, A., Jan 1 2009, In : SAE Technical Papers.

Research output: Contribution to journalConference article

19 Citations (Scopus)