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Ratnak Sok
Ratnak Sok
Waseda University ; Suzuki Motor Corporation
Verified email at ruri.waseda.jp - Homepage
Title
Cited by
Cited by
Year
Experiments and Simulations of a Lean-Boost Spark Ignition Engine for Thermal Efficiency Improvement
Ratnak Sok, Jin Kusaka, Yasuhiro Daisho, Kei Yoshimura, Kenjiro Nakama
SAE International Journal of Engines 9 (1), 379-396, 2016
422016
A study on combustion characteristics of a high compression ratio SI engine with high pressure gasoline injection
T Kaminaga, K Yamaguchi, R Sok, J Kusaka, T Youso, T Fujikawa, ...
SAE Technical Paper, 2019
342019
The effect of biodiesel fuel from rubber (Hevea brasiliensis) seed oil on a direct injection (DI) diesel engine
I Reksowardojo, HN Bui, R Sok, A Kilgour, T Brodjonegoro, ...
ASEAN Engineering Journal 1 (1), 65-81, 2011
232011
Thermal efficiency improvement of a lean-boosted spark ignition engine by multidimensional simulation with detailed chemical kinetics
R Sok, J Kusaka, Y Daisho, K Yoshimura, K Nakama
International Journal of Automotive Engineering 6 (4), 97-104, 2015
222015
Prediction of ultra-lean spark ignition engine performances by quasi-dimensional combustion model with a refined laminar flame speed correlation
R Sok, K Yamaguchi, J Kusaka
Journal of Energy Resources Technology 143 (3), 032306, 2021
192021
0D/1D turbulent combustion model assessment from an ultra-lean spark ignition engine
R Sok, K Yamaguchi, J Kusaka
SAE Technical Paper, 2019
192019
Computational study to improve thermal efficiency of spark ignition engine
R Sok, K Katori, J Kusaka, Y Daisho, K Yoshimura, N Kenjiro
SAE Technical Paper, 2015
162015
Experimental and modeling analysis on thermoelectric heat recovery to maximize the performance of next-generation diesel engines dedicated for future electrified powertrains
R Sok, J Kusaka
Applied Thermal Engineering 219, 119530, 2023
152023
Fuel-reforming effects on a gasoline direct injection engine under a low-temperature combustion mode: Experimental and kinetics analyses
R Sok, J Kusaka
Energy Conversion and Management 255, 115304, 2022
142022
A fundamental study on combustion characteristics in a pre-chamber type lean burn natural gas engine
M Tanamura, S Nakai, M Nakatsuka, S Taki, K Ozawa, B Zhou, R Sok, ...
SAE Technical Paper, 2019
132019
Development and validation of thermal performances in a novel thermoelectric generator model for automotive waste heat recovery systems
R Sok, J Kusaka
International Journal of Heat and Mass Transfer 202, 123718, 2023
122023
3D Simulations on premixed laminar flame propagation of iso-octane/air mixture at elevated pressure and temperature
S Ratnak, J Kusaka, Y Daisho
SAE Technical Paper, 2015
122015
Experimental and numerical analysis on the influences of direct fuel injection into oxygen-depleted environment of a homogeneous charge compression ignition engine
R Sok, K Yoshimura, K Nakama, J Kusaka
Journal of Energy Resources Technology 143 (12), 122302, 2021
112021
Effect of fuel injection timing during negative valve overlap period on a GDI-HCCI engine
R Sok, J Kusaka, Y Daisho, K Yoshimura, K Nakama
Internal Combustion Engine Division Fall Technical Conference 51982, V001T03A020, 2018
102018
Thermoelectric generation from exhaust heat in electrified natural gas trucks: modeling and analysis of an integrated engine system performance improvement
R Sok, J Kusaka, H Nakashima, H Minagata, P Dimitriou, J Liu
Journal of Energy Resources Technology 145 (7), 071702, 2023
92023
Numerical Methods on VVA and VCR Concepts for Fuel Economy Improvement of a Commercial CNG Truck
R Sok, K Takeuchi, K Yamaguchi, J Kusaka
SAE Technical Paper, 2020
92020
A novel laminar flame speed equation for quasi-dimensional combustion model refinement in advanced, ultra-lean gasoline spark-ignited engines
R Sok, H Kataoka, J Kusaka, A Miyoshi, RD Reitz
Fuel 333, 126508, 2023
82023
Experimental investigation of direct fuel injection into low-oxygen recompression interval in a homogenous charge compression ignition engine
R Sok, J Kusaka
Journal of Energy Resources Technology 144 (1), 012301, 2022
62022
Effects of partial oxidation in an unburned mixture on a flame stretch under EGR conditions
K Yoshimura, K Ozawa, K Yamaguchi, R Sok, J Kusaka, M Togawa, ...
SAE Technical Paper, 2021
62021
A model for predicting turbulent burning velocity by using Karlovitz number and Markstein number under EGR conditions
K Yoshimura, K Ozawa, K Yamaguchi, R Sok, J Kusaka, M Togawa, ...
SAE Technical Paper, 2021
52021
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