• 1593 Citations
  • 22 h-Index
19952019

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

Filter
Article
2019

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

End-gas autoignition characteristics of PREMIER combustion in a pilot fuel-ignited dual-fuel biogas engine

Valipour Berenjestanaki, A., Kawahara, N., Tsuboi, K. & Tomita, E., Oct 15 2019, In : Fuel. 254, 115634.

Research output: Contribution to journalArticle

2018
6 Citations (Scopus)
2017

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)

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

8 Citations (Scopus)
1 Citation (Scopus)
7 Citations (Scopus)
2016
26 Citations (Scopus)

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)

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)
18 Citations (Scopus)

Local fuel concentration measurement through spark-induced breakdown spectroscopy in a direct-injection hydrogen spark-ignition engine

Rahman, K. M., Kawahara, N., Matsunaga, D., Tomita, E., Takagi, Y. & Mihara, Y., Aug 24 2016, In : International Journal of Hydrogen Energy. 41, 32, p. 14283-14292 10 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Quantum cascade laser assisted time-resolved measurements of carbon dioxide absorption during combustion in DME-HCCI engine

Azimov, U., Kawahara, N. & Tomita, E., Oct 15 2016, In : Fuel. 182, p. 807-815 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015
5 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)
2 Citations (Scopus)

Spark discharge ignition process in a spark-ignition engine using a time series of spectra measurements

Kawahara, N., Hashimoto, S. & Tomita, E., Dec 1 2015, In : Proceedings of the Combustion Institute. 36, 3, p. 3451-3458 8 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)
2014

Laser-induced plasma generation and evolution in a transient spray

Kawahara, N., Tsuboi, K. & Tomita, E., Jan 13 2014, In : Optics Express. 22, 1, p. A44-A52

Research output: Contribution to journalArticle

15 Citations (Scopus)
7 Citations (Scopus)

Interaction between laser-induced plasma and fuel spray

Kawahara, N., 2013, In : The 1st Laser Ignition Conference. LIC83, p. 1-2 2 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Effects of spray impingement, injection parameters, and EGR on the combustion and emission characteristics of a PCCI diesel engine

Kiplimo, R., Tomita, E., Kawahara, N. & Yokobe, S., May 1 2012, In : Applied Thermal Engineering. 37, p. 165-175 11 p.

Research output: Contribution to journalArticle

155 Citations (Scopus)

UV-visible light absorption by hydroxyl and formaldehyde and knocking combustion in a DME-HCCI engine

Azimov, U., Kawahara, N. & Tomita, E., Aug 1 2012, In : Fuel. 98, p. 164-175 12 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)
2011

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

37 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)
40 Citations (Scopus)

Effects of injection pressure, timing and EGR on combustion and emissions characteristics of diesel PCCI engine

Kiplimo, R., Tomita, E., Kawahara, N., Zhou, S. & Yokobe, S., Jan 1 2011, In : SAE Technical Papers.

Research output: Contribution to journalArticle

9 Citations (Scopus)

High-pressure hydrogen jet and combustion characteristics in a direct-injection hydrogen engine

Roy, M. K., Kawahara, N., Tomita, E. & Fujitani, T., Jan 1 2011, In : SAE Technical Papers.

Research output: Contribution to journalArticle

8 Citations (Scopus)
10 Citations (Scopus)
24 Citations (Scopus)
48 Citations (Scopus)

非定常噴霧におけるレーザ誘起プラズマによる着火特性

Kawahara, N., 2011, In : 微粒化.

Research output: Contribution to journalArticle

2010

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

66 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)

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)

Evaluation of the flame lift-off length in diesel spray combustion based on flame extinction

Azimov, U., Kawahara, N., Tomita, E. & Tsuboi, K., Dec 10 2010, In : Journal of Thermal Science and Technology. 5, 2, p. 238-251 14 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

In situ fuel concentration measurement near a spark plug in a spray-guided direct-injection spark-ignition engine using infrared absorption method

Kawahara, N., Tomita, E., Kadowaki, T., Honda, T. & Katashiba, H., Oct 1 2010, In : Experiments in Fluids. 49, 4, p. 925-936 12 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)