Research Organization for Next Generation Vehicles

Jeyamoorthy, A., Degawa, T., Sok, R., Akimichi, T., Kurita, S., Ogawa, M., Takei, T., Hayashi, I., Kusaka, J., Zhou, B., Yamaguchi, K. & Tanabe, I., 2022 Aug 30, In: SAE Technical Papers.

Research output: Contribution to journal › Conference article › peer-review

Effects of Partial Oxidation and Octane Sensitivity on Flame Stretch Rate at Extinction under EGR Conditions: Potential of Renewable Fuels toward Higher Thermal Efficiency of Spark-Ignition Engines

Yoshimura, K., Isobe, K., Tokuhara, S., Yamaguchi, K., Sok, R. & Kusaka, J., 2022 Jul 5, p. 79-88. 10 p.

Research output: Contribution to conference › Paper › peer-review

Experimental Investigation of Direct Fuel Injection Into Low-Oxygen Recompression Interval in a Homogenous Charge Compression Ignition Engine

Sok, R. & Kusaka, J., 2022 Jan, In: Journal of Energy Resources Technology, Transactions of the ASME. 144, 1, 012301.

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Fuel-reforming effects on a gasoline direct injection engine under a low-temperature combustion mode: Experimental and kinetics analyses

Sok, R. & Kusaka, J., 2022 Mar 1, In: Energy Conversion and Management. 255, 115304.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Citations (Scopus)

Machine Learning Application to Predict Combustion Phase of a Direct Injection Spark Ignition Engine

Asakawa, R., Yokota, K., Tanabe, I., Yamaguchi, K., Sok, R., Ishii, H. & Kusaka, J., 2022 Feb, In: International Journal of Automotive Technology. 23, 1, p. 265-272 8 p.

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

MODELING ANALYSIS ON COMBINED EFFECTS OF VVT/VCR ENGINE TECHNOLOGY TO REDUCE FUEL CONSUMPTION OF LIGHT-DUTY PARALLEL HYBRID CNG TRUCKS

Sok, R., Kusaka, J., Nakashima, H. & Minagata, H., 2022, Energy. American Society of Mechanical Engineers (ASME), V006T08A041. (ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE); vol. 6).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Predicting Unburned Hydrocarbons in the Thermal Boundary Layer Close to the Combustion-chamber Wall in a Gasoline Engine Using a 1-D Model

Yoshimura, K., Yahata, H., Tanamachi, S., Yamaguchi, K., Sok, R., Kusaka, J. & Tokuhara, S., 2022 Feb, In: International Journal of Automotive Technology. 23, 1, p. 233-242 10 p.

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

THERMOELECTRIC EXHAUST HEAT RECOVERY TO MAXIMIZE BRAKE THERMAL EFFICIENCY OF ADVANCED DIESEL ENGINES: MODELING AND BASELINE ANALYSIS

Sok, R. & Kusaka, J., 2022, Proceedings of ASME 2022 ICE Forward Conference, ICEF 2022. American Society of Mechanical Engineers, V001T07A003. (Proceedings of ASME 2022 ICE Forward Conference, ICEF 2022).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

THERMOELECTRIC GENERATION FROM EXHAUST HEAT IN ELECTRIFIED NATURAL GAS TRUCKS - PART1: MODELING AND ANALYSIS ON ENGINE SYSTEM EFFICIENCY IMPROVEMENT

Sok, R., Kusaka, J., Nakashima, H. & Minagata, H., 2022, Energy. American Society of Mechanical Engineers (ASME), V006T08A018. (ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE); vol. 6).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Waste Heat Recovery via Thermoelectric Generation in a Natural Gas Engine: Numerical Modeling and Baseline Analysis

Sok, R., Kusaka, J., Nakashima, H. & Minagata, H., 2022, In: Proceedings of the Thermal and Fluids Engineering Summer Conference. 2022-May, p. 1395-1404 10 p.

Research output: Contribution to journal › Conference article › peer-review

2021

A Model for Predicting Turbulent Burning Velocity by using Karlovitz Number and Markstein Number under EGR Conditions

Yoshimura, K., Ozawa, K., Yamaguchi, K., Sok, R., Kusaka, J., Togawa, M. & Tokuhara, S., 2021 Sept 21, In: SAE Technical Papers. 2021

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

A MODELING STUDY ON FUEL CONSUMPTION IMPROVEMENT OF A LIGHT-DUTY CNG TRUCK EQUIPPED WITH A HYBRID POWERTRAIN

Sok, R., Kusaka, J., Nakashima, H. & Akaike, M., 2021, 5th-6th Thermal and Fluids Engineering Conference, TFEC 2021. Begell House Inc, p. 1369-1376 8 p. (Proceedings of the Thermal and Fluids Engineering Summer Conference; vol. 2021-May).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

A Novel Integrated Series Hybrid Electric Vehicle Model Reveals Possibilities for Reducing Fuel Consumption and Improving Exhaust Gas Purification Performance

Yamagishi, T., Shingyouchi, H., Yamaguchi, K., Mizushima, N., Noyori, T., Kusaka, J., Okajima, T., Sok, R. & Nagata, M., 2021 Sept 21, In: SAE Technical Papers. 2021

Research output: Contribution to journal › Conference article › peer-review

3 Citations (Scopus)

Avoidance Algorithm Development to Control Unrealistic Operating Conditions of Diesel Engine Systems under Transient Conditions

Asakawa, R., Tanabe, I., Yamaguchi, K., Sok, R., Kusaka, J., Ogawa, M., Degawa, T., Kurita, S., Jeyamoorthy, A. & Beini, Z., 2021 Sept 5, In: SAE Technical Papers. 2021

Research output: Contribution to journal › Conference article › peer-review

3 Citations (Scopus)

Effects of Partial Oxidation in an Unburned Mixture on a Flame Stretch under EGR Conditions

Yoshimura, K., Ozawa, K., Yamaguchi, K., Sok, R., Kusaka, J., Togawa, M. & Tokuhara, S., 2021 Sept 21, In: SAE Technical Papers. 2021

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

Experimental and numerical analysis on the influence of direct fuel injection into O₂-depleted environment of a GDI-HCCI engine

Sok, R. & Kusaka, J., 2021, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, ICEF 2020. American Society of Mechanical Engineers (ASME), V001T03A001. (ASME 2020 Internal Combustion Engine Division Fall Technical Conference, ICEF 2020).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Experimental and numerical analysis on the influences of direct fuel injection into oxygen-depleted environment of a homogeneous charge compression ignition engine

Sok, R., Yoshimura, K., Nakama, K. & Kusaka, J., 2021 Dec, In: Journal of Energy Resources Technology, Transactions of the ASME. 143, 12, 122302.

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

EXPERIMENTAL INVESTIGATION ON THE EFFECTS OF DIRECT FUEL INJECTION INTO LOW-O2 RECOMPRESSION INTERVAL OF AN HCCI ENGINE

Sok, R. & Kusaka, J., 2021, Energy. American Society of Mechanical Engineers (ASME), V08AT08A016. (ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE); vol. 8A-2021).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Numerical study on the adaptation of diesel wave breakup model for large-eddy simulation of non-reactive gasoline spray

Sok, R., Zhou, B. & Kusaka, J., 2021, Proceedings of the ASME 2021 Power Conference, POWER 2021. American Society of Mechanical Engineers (ASME), (American Society of Mechanical Engineers, Power Division (Publication) POWER; vol. 2021-July).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Prediction of Ultra-Lean Spark Ignition Engine Performances by Quasi-Dimensional Combustion Model with a Refined Laminar Flame Speed Correlation

Sok, R., Yamaguchi, K. & Kusaka, J., 2021 Mar 1, In: Journal of Energy Resources Technology, Transactions of the ASME. 143, 3, 032306.

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Reaction Analysis and Modeling of Fast SCR in a Cu-Chabazite SCR Catalyst Considering Generation and Decomposition of Ammonium Nitrate

Seki, K., Ueyama, R., Tsukamoto, Y., Ogawa, K., Oka, K., Sok, R. & Kusaka, J., 2021 Sept 5, In: SAE Technical Papers. 2021

Research output: Contribution to journal › Conference article › peer-review

2020

Numerical Methods on VVA and VCR Concepts for Fuel Economy Improvement of a Commercial CNG Truck

Sok, R., Takeuchi, K., Yamaguchi, K. & Kusaka, J., 2020 Sept 15, In: SAE Technical Papers. 2020

Research output: Contribution to journal › Conference article › peer-review

7 Citations (Scopus)

Prediction of ultra-lean SI engine performance by QD-combustion model with an improved laminar flame speed

Sok, R., Kusaka, J. & Yamaguchi, K., 2020, ASME 2020 Power Conference, POWER 2020, collocated with the 2020 International Conference on Nuclear Engineering. American Society of Mechanical Engineers (ASME), v001t03a002. (American Society of Mechanical Engineers, Power Division (Publication) POWER; vol. 2020-August).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2019

0D/1D turbulent combustion model assessment from an ultra-lean spark ignition engine

Sok, R., Yamaguchi, K. & Kusaka, J., 2019 Mar 25, In: SAE Technical Papers. 2019-March, March

Research output: Contribution to journal › Conference article › peer-review

13 Citations (Scopus)

A Fundamental Study on Combustion Characteristics in a Pre-Chamber Type Lean Burn Natural Gas Engine

Tanamura, M., Nakai, S., Nakatsuka, M., Taki, S., Ozawa, K., Zhou, B., Sok, R., Daisho, Y. & Kusaka, J., 2019 Sept 9, In: SAE Technical Papers. 2019-September, September

Research output: Contribution to journal › Conference article › peer-review

9 Citations (Scopus)

A Study on Combustion Characteristics of a High Compression Ratio SI Engine with High Pressure Gasoline Injection

Kaminaga, T., Yamaguchi, K., Ratnak, S., Kusaka, J., Youso, T., Fujikawa, T. & Yamakawa, M., 2019 Sept 9, In: SAE Technical Papers. 2019-September, September

Research output: Contribution to journal › Conference article › peer-review

22 Citations (Scopus)

2018

Effect of fuel injection timing during negative valve overlap period on a GDI-HCCI engine

Sok, R., Kusaka, J., Daisho, Y., Yoshimura, K. & Nakama, K., 2018 Jan 1, Large Bore Engines; Fuels; Advanced Combustion. American Society of Mechanical Engineers, Vol. 1.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

12 Citations (Scopus)

Perspectives on next generation vehicles-with a focus on electrifying the vehicles

Daisho, Y., 2018 Jan 1, In: Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering. 84, 9, p. 755-760 6 p.

Research output: Contribution to journal › Review article › peer-review

2017

Design and evaluation of 'Short-range Frequent-charging-type' and 'Night-charging-type' BE bus

Yang, W. H., Tsukui, I., Izutsu, E., Kamiya, Y. & Daisho, Y., 2017 Jul 25, 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017. Institute of Electrical and Electronics Engineers Inc., p. 1628-1633 6 p. 7992291

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Li-ion battery deterioration evaluation of short range frequent charging electric bus over long-term operation in cold region

Yang, W. H., Wu, Z. D., Eda, K., Kamiya, Y. & Daisho, Y., 2017 Feb 7, 2016 IEEE 2nd Annual Southern Power Electronics Conference, SPEC 2016. Institute of Electrical and Electronics Engineers Inc., p. 40DUMMY 7846025

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

2016

An Investigation on the Ignition Characteristics of Lubricant Component Containing Fuel Droplets Using Rapid Compression and Expansion Machine

Kassai, M., Shiraishi, T., Noda, T., Hirabe, M., Wakabayashi, Y., Kusaka, J. & Daisho, Y., 2016 Jan 1, In: SAE International Journal of Fuels and Lubricants. 9, 3, p. 469-480 12 p.

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

A Quasi Two Dimensional Model of Transport Phenomena in Diesel Particulate Filters - The Effects of Particle Diameter on the Pressure Drop in DPF Regeneration Mode-

Uenishi, T., Tanaka, E., Fukuma, T., Kusaka, J. & Daisho, Y., 2016, In: SAE Technical Papers. 2016-Octobeer

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

2015

3D Simulations on Premixed Laminar Flame Propagation of iso-Octane/Air Mixture at Elevated Pressure and Temperature

Ratnak, S., Kusaka, J. & Daisho, Y., 2015 Mar 10, In: SAE Technical Papers. 2015-March, March

Research output: Contribution to journal › Conference article › peer-review

8 Citations (Scopus)

A Numerical Study on Predicting Combustion Chamber Wall Surface Temperature Distributions in a Diesel Engine and their Effects on Combustion, Emission and Heat Loss Characteristics by Using a 3D-CFD Code Combined with a Detailed Heat Transfer Model

Kikusato, A., Kusaka, J. & Daisho, Y., 2015 Sept 1, In: SAE Technical Papers. 2015-September, September

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

A Study on the Improvement of NOx Reduction Efficiency for a Urea SCR System

Nishiyama, H., Tanaka, Y., Adachi, T., Kawamura, S., Daisho, Y., Suzuki, H., Ishii, H. & Yamaguchi, K., 2015 Sept 1, In: SAE Technical Papers. 2015-September, September

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Computational Study to Improve Thermal Efficiency of Spark Ignition Engine

Sok, R., Katori, K., Kusaka, J., Daisho, Y., Yoshimura, K. & Kenjiro, N., 2015 Mar 10, SAE Technical Papers. March ed. SAE International, Vol. 2015-March.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

11 Citations (Scopus)

Development and performance evaluation of advanced electric bus transportation system

Eda, K., Kanaga, R., Yang, W. H., Hirota, T., Kamiya, Y. & Daisho, Y., 2015, 28th International Electric Vehicle Symposium and Exhibition 2015, EVS 2015. Korean Society of Automotive Engineers

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Electric Vehicle Penetration Model Considering Policy Subsidy and Fuel Price Uncertainty

Yamashita, D., Daisho, Y., Satoya, D., Takamori, H. & Yokoyama, R., 2015 Dec 9, Proceedings - 2014 4th International Conference on Artificial Intelligence with Applications in Engineering and Technology, ICAIET 2014. Institute of Electrical and Electronics Engineers Inc., p. 221-226 6 p. 7351838

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Performance degradation prediction and cell balance control algorithm construction of lithium iron phosphate battery

Ueeda, Y., Taniguchi, K., Inami, S., Kaneko, G., Hirota, T., Yang, W. H., Kamiya, Y. & Daisho, Y., 2015 Jan 12, 2014 IEEE Vehicle Power and Propulsion Conference, VPPC 2014. Institute of Electrical and Electronics Engineers Inc., 7007118

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Performance Evaluation of Short Range Frequent Charging Electric Bus «wEB-3» over Long-Term Operation

Yang, W. H., Eda, K., Kamiya, Y., Hirota, T. & Daisho, Y., 2015 Dec 10, 2015 IEEE Vehicle Power and Propulsion Conference, VPPC 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7352993

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Thermal efficiency improvement of a lean-boosted spark ignition engine by multidimensional simulation with detailed chemical kinetics

Ratnak, S., Kusaka, J., Daisho, Y., Yoshimura, K. & Nakama, K., 2015, In: International Journal of Automotive Engineering. 6, 4, p. 97-104 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

20 Citations (Scopus)

2014

A numerical study on the combustion and heat transfer characteristics of a spark ignited engine applying heat insulation coatings to the combustion chamber wall surface

Kikusato, A., Kusaka, J. & Daisho, Y., 2014, Proceedings of the 15th International Heat Transfer Conference, IHTC 2014. Begell House Inc.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

A Numerical Study on the Effects of FAME Blends on Diesel Spray and Soot Formation by Using KIVA3V Code Including Detailed Kinetics and Phenomenological Soot Formation Models

Cui, X., Zhou, B., Nakamura, H., Kusaka, J. & Daisho, Y., 2014 Oct 13, SAE Technical Papers. SAE International, Vol. 2014-October.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Numerical Simulation on Soot Formation in Diesel Combustion by Using a CFD Code Combined with a Parallelized Explicit ODE Solver

Kikusato, A., Kogo, K., Zhou, B., Kusaka, J., Daisho, Y., Sato, K., Fujimoto, H., Terashima, H. & Morii, Y., 2014 Oct 13, SAE Technical Papers. SAE International, Vol. 2014-October.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Research Organization for Next Generation Vehicles

Research output

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