OOIR: Observatory of International Research

Papers

(The TQCC of International Journal of Engine Research is 5. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
Experimental and numerical investigations of heat transfer characteristics of a piston cooling bore impinged by SAE 30 oil	57
Fuel control strategy for robust low-load gasoline low temperature combustion	48
Experimental characterization of the injected mass variation in a high-pressure GDI injector operating with a multiple injection strategy	34
Physically-based control-oriented modeling for turbocharged stoichiometric spark-ignited engine with cooled EGR and flexible VVT systems	26
Comprehensive experimental and numerical investigation on a dedicated hydrogen combustion system for heavy duty application	26
The effect of port water injection on knocking and emission characteristics of natural-aspirated GDI engine operated under cruising condition	25
Investigation of the light-off characteristics and secondary pollutants production mechanism in Pd/Rh catalyst for natural gas engines	22
A universally applicable 0D combustion model with a novel analysis of the critical factors affecting combustion in spark-ignition engines	22
Experimental study of airpath electrification in an opposed-piston two stroke (OP2S) engine architecture	22
Advanced model-based closed-loop combustion control strategies with combustion rate shaping	20
The experimental investigation of performance behaviors of a beta-type Stirling engine with bell-crank motion mechanism	18
Toward a digital twin of a mid-speed marine engine: From detailed 1D engine model to real-time implementation on a target platform	18
Effect of piston geometry on combustion characteristics of CI engine used Sal seed oil	18
Optimization of the combustion system and control strategy for the new hybrid-dedicated 2.5 L TGDI engine	18
Synergistic thermal activation of Al ₂ O ₃ –TiO ₂	17
Simulation study on the cavitation flow characteristics of liquid ammonia in the nozzle under high-pressure injection conditions	17
Experimental and 2-D simulation studies on urea pulse strategies to investigate chemical reactions in Cu-Chabazite SCR catalysts	17
Experimental investigation of direct water injection in a hydrogen-fueled internal combustion engine	17
Influence of spray and combustion processes on piston temperatures and engine heat transfer in a high-output diesel engine	16
Effect of transient needle lifts on the internal flow and nozzle exit characteristics for elliptical gasoline direct injection nozzle	15
Evaluation of machine learning models for optimization of internal combustion engines: A comparative study	15
Fuel-air mixing in motored CFR engine at research octane number (RON) relevant condition	15
Hierarchical multi-time-scale predictive thermal management and fuel optimization for heavy-duty compression ignition engines	14
Experimental study on dribbling characteristics of gasoline/biodiesel blends after the end-of-injection	14
An improved TRF mechanism for a new turbulent premixed combustion model with application to engine combustion CFD	13

A comparatively numerical investigation on heat transfer behavior of different materials used for internal combustion engines	13
Modeling of primary breakup considering turbulent nozzle flow, internal turbulence and surface instability of liquid jet using turbulence decay theory	13
Performance and environmental impact of ethanol-kerosene blends as sustainable aviation fuels in micro turbo-engines	12
Combined removal experiment of NOx, SO₂ and PM from marine diesel exhaust gas with SCR-DryEGCS system	12
Experimental analysis of diesel/biodiesel blends with a nano additive for the performance and emission characteristics of CI Engine	12
Recent progress on performance and control of linear engine generator	12
Investigation on the applicability of parameters identification of marine diesel engine SCR kinetic model based on Discrete-Grid algorithm	12
Exploration of ultra-low carbon heavy-duty commercial vehicle technology: Liquid ammonia-diesel dual fuel high-pressure direct injection	12
Detecting controlled end-gas autoignition for a pilot-ignited methane/hydrogen premixed blend	12
Development of wear condition diagnosis model for main bearing with SVM algorithm	12
A Computational Investigation of Engine Heat Transfer with Ducted Fuel Injection	12
An electromechanical coupling model for performance enhancement in diesel generator sets	11
An analysis of the resonance attenuation in a combustion chamber	11
Heat transfer performance optimization of turbine blade internal cooling channel with pin-fins and recessed-extruded endwalls	11
Simulation-driven aftertreatment optimization and emissions characterization of a high-efficiency methanol DI engine	11
Injection rate of cylinder lubrication oil in large two-stroke marine diesel engines using a common rail lubrication system	11
Thermoelectric coupling study of scavenging pressure effect on fuel spray and mixing of a vibratory combustion linear engine	11
A comprehensive study for the identification of the requirements for an optimal H2 combustion engine	11
Effect of injection timings and injection pressure on knock mitigation with a compression stroke injection of hydrous ethanol in spark ignition	11
Deep reinforcement learning to discover multi-fuel injection strategies for compression ignition engines	11
Experimental visualization of the gas-liquid two-phase flow inside the multi-cavity during reciprocating motion	10
Experimental investigation of hydrogen combustion in a single cylinder PFI engine	10
Investigating the impact of mono-ether bioblendstocks on soot-NOx trade-off of MCCI engines	10
The effect of intake port shape on in-cylinder flow field and turbulence distribution in a high-tumble production engine with endoscope accesses	10
Assessing combustion characteristics of alternative fuels in a CI engine by use of a wavelet-based analysis of engine vibration signals	10
Research on input parameter optimization for NOx deep learning prediction model	10
Research on Scavenging Flow Dynamics of Marine Two-Stroke Engines With a CFD-Derived Quasi-Dimensional Model	9
Experimental investigation on reactivity-controlled compression ignition (RCCI) combustion characteristic of n-heptane/ammonia based on an optical engine	9
A study on vibration prediction of diesel engine based on virtual material modeling method of joint surfaces	9
Comparative study on the effect of nanoparticles in ternary fuel blends on combustion, performance, and emissions characteristics of diesel engine	9
Interpretation of cyclic combustion variations in internal combustion engines using recurrence quantification analysis	9
Isolated microgrid frequency stabilization through nonlinear model predictive control of a gas engine generator set	9
Effects of exhaust gas recirculation on nitrogen oxides, brake torque and efficiency in a hydrogen direct injection spark ignition engine	9
Influence of deteriorated lubricants on friction modulation of micro-textured surface	9
A rate-of-injection model for predicting single and double injection with or without fusion	9
Quantitative fluorescence-based imaging of in-cylinder fuel film thickness at kHz frame rates in a production-type direct-injection spark-ignition engine	8
Development of a reduced primary reference fuel – oxymethylene dimethyl ether (PRF-OME_x) mechanism for diesel engine applications	8
Effect of near-field characteristics on the two-phase distribution of superheated ammonia spray	8
Understanding the role of exhaust gas recirculation in gasoline/diesel dual-fuel combustion soot features	8
A component sizing prediction study for a series hybrid electric vehicle based on artificial neural network	8
Study on partial oxidation phenomena of post-injection fuel in diesel engines	8
Relative fatigue life prediction for elliptical contact problem based on mixed plasto-elastohydrodynamic lubrication analysis with 3D real surface roughness	8
Optimization research to minimize fuel consumption/ NOx emission of a two-stroke low speed marine diesel engine	7
Development of a semi-empirical physical model for transient NO_x emissions prediction from a high-speed diesel engine	7
Evaluation of different injectors-swirl configurations on combustion and emissions characteristics in a medium-duty compression ignition diesel engine	7
Spray characteristics of elliptical orifice spray in diesel engine under air movement conditions	7
Computational study on the impact of gasoline-ethanol blending on autoignition and soot/NO _x emissions under low-load gasoline compression ignition conditions	7
Nonlinear characteristics of fuel injection quantity for a high-pressure common rail fuel injector	7
Comparative assessment of di-ethyl ether/diesel blends on the performance, and emission characteristics in acetylene dual fuel engine	7
A novel valve strategy for particulate matter reduction in a gasoline direct injection engine operated at cold conditions	7

A critical analysis of classical severity-based knock control strategies	7
Investigation of the effects of passive pre-chamber nozzle pattern and ignition system on engine performance and emissions	7
Research on random unbalanced phase vibration characteristics of marine turbocharger	7
Equivalence ratio and fuel type impacts on limit cycle and beating oscillations in combustion instability	7
Investigation on the lean-combustion characteristics of non-uniform orifice pre-chamber spark plug in low engine speed working conditions compared with high energy spark ignition	7
Arrhenius type empirical ignition delay equations based on the phenomenology of in-cylinder conditions for wide operating ranges in modern diesel engines	7
Ammonia fueled engine with diesel pilot ignition: Approach to achieve ultra-high ammonia substitution	7
SCR + ASC systems control by backward induction with adaptive grid and different disturbance scenarios	7
In- and near-nozzle and external flow characterization in Gasoline Direct injection (GDi) engines – A review of latest technologies and trends. Part 2: Computational background	6
Soot mitigation potential of multiple injection strategies for fuel-rich combustion and in-cylinder fuel reforming in compression-ignition engines	6
Tribological investigation of the new combustion chamber with wall-guided fuel injection in a diesel engine	6
Multi-objective optimization of bleed slot mechanism for a radial flow compressor based on stall control criteria	6
Mixing in scramjet combustor having upstream and downstream cavities with hydrogen fuel injection in between	6
Development and verification of model predictive control strategy for selective catalytic reduction with rapid prototyping	6
Optimizing energy management strategies in marine hybrid propulsion systems using an upgraded particle swarm optimization-based approach	6
Combustion characteristics optimization and thermal efficiency enhancement by stratified charge of hydrogen direct injection for argon power cycle hydrogen engine	6
Spray characteristics of biodiesel: A nonlinear temporal instability analysis	6
Research of coordinated deformation characteristics for diesel engine main bearing based on bearing clearance margin	6
Traffic information impact on the optimisation of fuel consumption and emissions in an urban driving scenario	6
Influence of initial electric arc root position on electric arc behavior with spark plugs in large lean burn spark ignited gas engines	6
Experimental study on the effect of micro-addition of hydrogen on diesel ignition and combustion characteristics in an external heating constant volume combustion chamber	6
Injection strategy of methanol for high loads and low NOx emissions in a neat methanol LTC engine	6
Piston ring and cylinder liner scuffing analysis in dual-fuel low-speed engines considering liner deformation and tribofilm evolution	6
Mechanism development and optimization of ammonia-natural gas combustion in HCCI engines using sensitivity analysis and RSM	6
Studying the effects of manifold pressure boosting and EGR on combustion and NO_x emission of hydrogen-fueled SI engine	6
Engine-out hydrocarbon speciation and DOC reaction modeling for dual-fuel combustion concept	6
Analysis of an innovative combustion chamber with the wall guided fuel injection in a small diesel engine	6
Development of turbocharged engine bench test adapted to multiple driving cycles for lubricants fuel economy	6
Toward quantification of the information content in flow variables under cycle-to-cycle variations	6
A review of solid SCR systems as an alternative for NOx reduction from diesel engines	6
State estimation model for NOx storage reduction catalyst using modeling method based on machine learning	6
Iso-surface sampler: Bayesian optimization-based sampling framework for controlling multi-fuel compression ignition engines	6
A consistent model of the initiation, early expansion, and possible extinction of a spark-ignited flame kernel	6
Mapping ammonia-diesel combustion on a single-cylinder 107 mm bore diesel engine retrofitted for ammonia port-fuel injection	6
Computational fluid dynamics-based feed-forward control of multi-fuel energy-assisted compression ignition engines for sustainable aviation	6
Effects of intake areas and shapes on the flow field of elliptical rotary engines at different speeds	6
An efficient product design tool for aftertreatment system	6
Experimental study of spatial distribution of knock events in a turbocharged spark-ignition engine	6
Effect of ammonia and diesel fuel injection pressure on combustion characteristics of high-pressure ammonia direct injection marine dual fuel engine	6
Applications of machine learning techniques to broaden operating envelope of biodiesel-fueled HCCI engines	6
Thermogravimetric analysis applied to characterisation of the evolution of EGR deposits in a working engine	6
Potential of ammonia spray configuration in ammonia-diesel dual-fuel direct injection compression ignition engine: Toward near zero carbon emissions	5
Predicting transient performance of a heavy-duty gaseous-fuelled engine using combined phenomenological and machine learning models	5
An experimental investigation into the combustion stability and emissions of an n-butanol/diesel blended fueled partially premixed compression ignition (PPCI) engine	5
Development of a Riemann variables-based technique for on-line fuel injected mass evaluation in direct injection systems	5
Robust model-based switching MIMO air handling control of turbocharged lean-burn SI natural gas variable speed engines	5
Investigations on reactivity controlled compression ignition combustion with different injection strategies using alternative fuels produced from waste resources	5
Crank-angle-resolved HR-TEM analysis of aggregation process and nanostructure of GDI in-cylinder soot particles	5
Asymmetric spray characteristics of opposed-piston two-stroke gasoline direct injection engine	5
In- and near- nozzle and external flow characterization in Gasoline Direct injection (GDi) engines – A review of latest technologies and trends. Part 1: Experimental background	5
Investigation of combustion, performance, and emissions of biodiesel blends using graphene nanoparticle as an additive	5
Multiple-objective optimization of direct dual fuel stratification (DDFS) combustion at different loads	5
Experimental and numerical analysis of unburned ammonia and nitrous oxide emission characteristics in ammonia/diesel dual-fuel engine	5
Deep long short-term memory neural networks as virtual sensors for marine diesel engine NOx prediction at transient conditions	5
Impact of fuel surrogate formulation on the prediction of knock statistics in a single cylinder GDI engine	5
Piston ring oil film thickness measurements in a four-stroke diesel engine during steady-state, start-up and shut-down	5
Influences of key design parameters to operating performance of a compressed natural gas injection system using solenoid pressure regulator	5
Interpretable tree-based ensemble models for macroscopic characterization of biofuel sprays	5
Simulation on combustion characteristics of non-crankshaft reciprocating natural gas engine based on equivalent speed method	5
Editorial –‘Thermo- and fluid-dynamics of clean propulsion powerplants’: THIESEL 2022 Special Issue by Xandra Margot	5
Optimization of the full-load combustion schemes of n-butanol/biodiesel reactivity-controlled compression ignition (RCCI) toward high-efficiency and low-emission engines	5
Performance and emissions analysis of marine engine using flex-fuel based on methanol and ammonia blends: A simulative investigation toward vehicle decarbonization	5
Phenomenological combustion modeling with swirl effects of a two-stroke marine engine for digital twins	5
Autoignition enhancement of ammonia spray under engine-relevant conditions via hydrogen addition: Thermal, chemical, and charge cooling effects	5
A comparative study of fixed-gain classical knock control strategies	5
Experimental mild conversion of a lean burn natural gas engine with SCR to a hydrogen engine: NOx and GWP potential for marine applications	5
Optimizing the fuel efficiency of an opposed piston engine for electric power generation	5
Numerical investigation of ducted fuel injection using Multiple Representative Interactive Linear Eddy Model	5
Computational investigation of ammonia-hydrogen peroxide blends in HCCI engine mode	5
Optimization of diesel engine performance and emission characteristics with cerium oxide nanoparticles mixed waste cooking oil biodiesel blends	5
Assessment of cycle-to-cycle variations in hydrogen fueled internal combustion engine	5
High-speed low-coherence interferometry of fuel films in impinging gasoline direct injection sprays	5
Special issue on COMODIA 2022	5
Effect of pre-chamber scavenging strategy on EGR tolerance and thermal efficiency of pre-chamber turbulent jet ignition systems	5
Mixing-controlled compression ignition of ethanol using exhaust rebreathe at a low-load operating condition—Single cylinder experiments in a heavy-duty diesel engine	5
Influence of geometrical design on the cooling process of double annular turbine section	5
POD analysis of in-cylinder flow characteristics in a CI engine with variable intake port opening	5