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ARTICLE
FUEL DROPLET BEHAVIOR IN A CYLINDER UNDER THE DIFFERENCE CO2 MOLE FRACTION CONDITIONS CONTROLLED BY SIMULATED-EGR IN CI ENGINE
The objective of this numerical study is to investigate the effect of CO2 mole fraction controlled by simulated-exhaust gas recirculation (EGR) on fuel droplet behavior for simultaneous exhaust emissions reduction in compression ignition engine under early injection conditions. ...
ARTICLE
TEMPERATURE INFLUENCE ON TIRE ROLLING RESISTANCE MEASUREMENTS QUALITY
Global warming makes it necessary to reduce energy consumption, which in the case of motor vehicles, is connected, among other things, with reduction of resistive forces acting on a vehicle during its motion. One of the most important components of those forces is rolling resist...
ARTICLE
SIMULATION AND MODELING OF DYNAMIC FRICTION COEFFICIENT OF WET CLUTCH DURING ENGAGEMENT
A dynamic friction coefficient model in engagement was established based on the friction transmission mechanism of a wet clutch. The effects of parameters, such as the material permeability, surface roughness, Young’s modulus, ATF viscosity, applied pressure, initial relative a...
ARTICLE
DEVELOPMENT OF A VARIABLE TORQUE DISTRIBUTION FOR FULLY ELECTRIC AND HYBRID HEAVY-DUTY TRUCKS BASED ON A MODULAR SIMULATION METHODOLOGY
The development of commercial vehicle technology is strongly influenced by the trends of new drives and automation. In order to develop new drive train concepts and associated operating strategies, a simulation methodology was created. It includes among others a high-level contr...
ARTICLE
DEVELOPMENT OF A COMPOUND POWER-SPLIT HYBRID POWER SYSTEM FOR COMMERCIAL VEHICLES
A novel compound power-split hybrid power system based on two planetary gear sets for commercial vehicles is developed. The equivalent lever diagram is used to investigate the components speed and torque characteristics of the system, and then the system dynamic torque control a...
ARTICLE
EFFECTS OF OVERALL-EQUIVALENCE RATIOS BY VARYING INTAKE PRESSURES AND EXHAUST GAS RECIRCULATION RATES ON THE NATURAL GAS/DIESEL DUAL-FUEL COMBUSTION AT A HIGH LOAD CONDITION
The effects of intake pressures and EGR rates on the natural gas/diesel dual-fuel combustion under a high load condition (brake power of 100 kW) were evaluated using a 6-L CI engine in this study. Natural gas fraction was fixed as 80 % of total input energy for all the dual-fuel...
ARTICLE
MECHANICAL COUPLING DEVICES TO VARIOUS TYPES OF VEHICLES UNDER CYCLIC LOADING
The paper focuses on experimental approaches for selected mechanical coupling components to type-approval. The obtained results have enabled to present behaviour of the following tested objects: ball (with homologation certificate), transport platform, and rigid drawbars under c...
ARTICLE
TRANSIENT FRICTIONAL TEMPERATURE VARIATIONS OF SSP AND DSP WET FRICTION PADS BY REPEATED ENGAGEMENT USING SLIPPING MODES
Wet clutch systems are widely used in modern automobile systems including clutch packs in automatic transmissions, other take-off devices in hybrid powertrains, and 4 WD couplings in drivelines. The torque transfer performance of clutch pads is correlated to the friction abruptl...
ARTICLE
EFFECT OF STABILIZING STRATEGY ON HEAD KINEMATICS OF OCCUPANT
A total of 96 tests were conducted using a driving simulator with six male volunteers. The driving simulator produced a series of 4.8-second cycle motions that combines roll (Rx) and sway (Dy). The cycle motions were produced in four levels of intensity by linearly adjusting the...
ARTICLE
NUMERICAL PROJECTION ON OCCUPANT THERMAL COMFORT VIA DYNAMIC RESPONSES TO HUMAN THERMOREGULATION
With the different physiological properties and thermal conditions, different body parts of passengers have inconsistent thermal sensations and thermal requirements in a highly non-uniform and transient vehicle cabin thermal environment. Determining the thermal comfort requireme...
ARTICLE
AIS TECHNOLOGY FOR INCREASING THE USABILITY OF LFG FUEL FOR SI ENGINE
This study was conducted focusing on AIS (Amplified Ignition Source) technology to increase the usability of LFG (Land Fill Gas) for SI (Spark Ignition) currently being used. To simulate the LFG combustion environment, experiment was conducted by changing the LFG chemical compos...
ARTICLE
EFFECT OF EXHAUST BACKPRESSURE ON PERFORMANCE OF A DIESEL ENGINE: A NEURAL NETWORK BASED SENSITIVITY ANALYSIS
Various types of emission-reducing systems or waste heat recovery systems installed on exhaust pipes of internal combustion engines are a source of high exhaust gas backpressure. Increased backpressure can cause negative impacts on the performance of internal combustion engines....
ARTICLE
MODULAR ARCHITECTURE DESIGN OF CHASSIS SYSTEM USING DATABASE
The design process of chassis systems is considerably difficult because of the complexity caused by numerous design variables and extreme nonlinearity. To address these problems, this study proposes a modular architecture design process for chassis systems. First, a chassis syst...
ARTICLE
PREDICTING UNBURNED HYDROCARBONS IN THE THERMAL BOUNDARY LAYER CLOSE TO THE COMBUSTION-CHAMBER WALL IN A GASOLINE ENGINE USING A 1-D MODEL
The purpose of this study was to develop a one-dimensional (1-D) model for predicting the amount of unburned hydrocarbons (UHC) due to flame extinction by quenching close to the combustion chamber wall in a gasoline engine. The local Reynolds number was used to predict the thick...
ARTICLE
WEAR AND DEFORMATION OF NOZZLE BODY SEAT OF DIESEL FUEL INJECTOR
Wear and deformation occur in the body seat of diesel fuel injector nozzles, thereby affecting fuel spray behaviors and injection characteristics. In this study, the effects of body seat temperature, test duration, temperature increase duration, tempering temperature, and temper...
ARTICLE
SOLIDIFICATION THERMAL BEHAVIOR OF FIN HEAT EXCHANGER WITH PHASE CHANGE MATERIAL FOR ELECTRIC VEHICLE THERMAL MANAGEMENT
In recent years, EVs have attracted considerable attention as eco-friendly vehicles. Owing to a significant decrease in fuel economy during the winter season, heat pump technology is currently being applied for EVs in lieu of the standard electric heater option. However, heat pu...
ARTICLE
Machine Learning Application to Predict Combustion Phase of a Direct Injection Spark Ignition Engine
Lean-diluted combustion can enhance thermal efficiency and reduce exhaust gas emissions from spark-ignited (SI) gasoline engines. However, excessive lean mixture with external dilution leads to combustion instability due to high cycle-to-cycle variations (CCV). The CCV should be...
ARTICLE
MULTY-STAGE COLD FORGING PROCESS OPTIMIZATION OF EPB SPINDLE NUT BY FORMABILITY EVALUATION
ABSTRACT–Forged parts made of cold heading quality wire materials are used for automotive brake systems. In general, forged parts are limited in weight reduction due to strict configuration management, and thus cost reduction in the manufacturing process is a significant topic....
ARTICLE
UNIFORMITY IMPROMENT ON BACK-DISK IMPINGEMENT COOLING PERFERENCE OF A RADICAL TURBINE WITH OPTIMIZED DISTRIBUTION STRATEGIES OF JET-HOLES
Adopting back-disk impingement cooling is an effective way to cool small radial turbines. The circumferential uneven flow field caused by the volute leads to an uneven distribution of cooling efficiency on the back disk. To improve the uneven distribution, the arrangement of imp...
ARTICLE
HIGH-EFFICIENCY ACTIVE SUSPENSION BASED ON CONTINUOUS DAMPING CONTROL
Active suspension systems can improve ride comfort and driving safety. However, conventional active suspension systems have high energy consumption because of continuous actuator operation. This study proposes a continuous damping control (CDC)-based high-efficiency active suspe...
ARTICLE
SPATIAL-BASED PREDICTIVE CONTROL FOR VEHICLE COLLISION AVOIDANCE BY STEERING MANEUVERS
A hierarchical vehicle collision avoidance control method based on model predictive control is presented in this study. In the upper level of the controller, a spatial-based two-degree-of-freedom vehicle model is used for dynamic path planning to decrease the computational burde...
ARTICLE
DESIGN OF A DISC-ON-DISC-TYPE CNC TRIBOMETER TARGETED AT DRY CLUTCH FRICTION PLATE WEAR CHARACTERIZATION
The paper presents design of a disc-on-disc-type CNC (Computer Numerical Control) tribometer aimed at experimental characterization of friction and wear behaviors of automotive dry clutches. The torque or normal force, slip speed, friction interface temperature, and closing ti...
ARTICLE
ANALYSIS OF VEHICLE DRIVING STABILITY BASED ON LONGITUDINAL-LATERAL AND VERTICAL UNIFIED DYNAMICS MODEL
Vehicle driving stability is the basis of chassis integrated control and automatic driving. In this paper, we construct an 18 degrees of freedom (DOF) unified dynamics model of vehicle chassis. The unified dynamics model includes three subsystems: steering subsystem, brake subsy...
ARTICLE
EXPERIMENTAL STUDY OF A 1 KW THERMOELECTRIC MODULE HEAT EXCHANGER FOR VEHICLE: CABIN COOLING AND HEATING APPLICATION
This study investigates the performance of vehicle cabin supplemental cooling and heating systems equipped with a 1 kW thermoelectric module (TEM) heat exchanger. The TEM heat exchanger comprises 96 thermoelectric modules, the heat sink with a louver fin and water cooling jacket...
ARTICLE
STATIC AND DYNAMIC STRENGTH ANALYSIS OF REDUCTION GEARS FOR AN AUTOMOTIVE SHIFT-BY-WIRE ACTUATOR
This paper deals with the static, impact, and dynamic strength of reduction gears applied to a shift-by-wire (SBW) actuator system. A sintered material (FD-0405-60) was used for cost competitiveness and mass production. Therefore, strength verification is essential at the beginn...
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Volume 23(1); February 2022
Volume 22(6); December 2021
Volume 22(5); October 2021
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Articles
 Engine and Emissions, Fuels and Lubricants
1 FUEL DROPLET BEHAVIOR IN A CYLINDER UNDER THE DIFFERENCE CO2 MOLE FRACTION CONDITIONS CONTROLLED BY SIMULATED-EGR IN CI ENGINE
Se Hun Min, Hyun Kyu Suh
Int J Automot Technol. 2022;23(1):1-11.    DOI: https://doi.org/10.1007/s12239–022–0001–6
      
  Chassis, Connected Automated Vehicles and ITS, Electrical and Electronics, Transmission and Driveline, Vehicle Dynamics and Control
13 DEVELOPMENT OF A VARIABLE TORQUE DISTRIBUTION FOR FULLY ELECTRIC AND HYBRID HEAVY-DUTY TRUCKS BASED ON A MODULAR SIMULATION METHODOLOGY
Juergen Kneissl, Alexander Lion, Felix Breuer, Stefan Pfund, Philipp Wagner, Thomas Ille, Carsten Intra
Int J Automot Technol. 2022;23(1):13-29.    DOI: https://doi.org/DOI 10.1007/s12239–022–0002–5
      
 Chassis, Electric, Fuel Cell, and Hybrid Vehicle, Transmission and Driveline, Vehicle Dynamics and Control
31 HIGH-EFFICIENCY ACTIVE SUSPENSION BASED ON CONTINUOUS DAMPING CONTROL
Gwang-woo Lee, Minsu Hyun, Dae-oh Kang, Seung-jin Heo
Int J Automot Technol. 2022;23(1):31-40.    DOI: https://doi.org/10.1007/s12239–022–0003–4
      
 Chassis, Electric, Fuel Cell, and Hybrid Vehicle, Transmission and Driveline, Vehicle Dynamics and Control
41 SPATIAL-BASED PREDICTIVE CONTROL FOR VEHICLE COLLISION AVOIDANCE BY STEERING MANEUVERS
Shaosong Li1, Yunsheng Tian, Xiaofeng Yue, Niaona Zhang, Luping Guo, Shujun Wang
Int J Automot Technol. 2022;23(1):41-53.    DOI: https://doi.org/10.1007/s12239–022–0004–3
      
 Electric, Fuel Cell, and Hybrid Vehicle, Transmission and Driveline
55 DESIGN OF A DISC-ON-DISC-TYPE CNC TRIBOMETER TARGETED AT DRY CLUTCH FRICTION PLATE WEAR CHARACTERIZATION
Matija Hoić, Mario Hrgetić, Nenad Kranjčević, Milan Kostelac, Joško Deur, Andreas Tissot
Int J Automot Technol. 2022;23(1):55-71.    DOI: https://doi.org/DOI 10.1007/s12239–022–0005–2
      
  Connected Automated Vehicles and ITS, Electric, Fuel Cell, and Hybrid Vehicle, Vehicle Dynamics and Control
73 ANALYSIS OF VEHICLE DRIVING STABILITY BASED ON LONGITUDINAL-LATERAL AND VERTICAL UNIFIED DYNAMICS MODEL
Fei Lai, Chaoqun Huang, Xin Ye
Int J Automot Technol. 2022;23(1):73-87.    DOI: https://doi.org/10.1007/s12239–022–0006–1
      
 Electric, Fuel Cell, and Hybrid Vehicle, Engine and Emissions, Heat Transfer, Fluid and Thermal Engineering
89 EXPERIMENTAL STUDY OF A 1 KW THERMOELECTRIC MODULE HEAT EXCHANGER FOR VEHICLE: CABIN COOLING AND HEATING APPLICATION
Daewoong Lee, Seungyong Hwang
Int J Automot Technol. 2022;23(1):89-97.    DOI: https://doi.org/10.1007/s12239–022–0007–0
      
 Chassis, Electric, Fuel Cell, and Hybrid Vehicle, Transmission and Driveline, Vehicle Dynamics and Control
99 STATIC AND DYNAMIC STRENGTH ANALYSIS OF REDUCTION GEARS FOR AN AUTOMOTIVE SHIFT-BY-WIRE ACTUATOR
Ki Bum Lee, Jin Goo Lee, Jin Ho Kim
Int J Automot Technol. 2022;23(1):99-107.    DOI: https://doi.org/10.1007/s12239–022–0008–z
      
  Body and Safety, Chassis, Manufacturing, Materials and Recycling
109 TEMPERATURE INFLUENCE ON TIRE ROLLING RESISTANCE MEASUREMENTS QUALITY
Jerzy Ejsmont, Grzegorz Ronowski, Wojciech Owczarzak, Slawomir Sommer
Int J Automot Technol. 2022;23(1):109-123.    DOI: https://doi.org/10.1007/s12239–022–0009–y
      
  Noise, Vibration and Harshness
125 SIMULATION AND MODELING OF DYNAMIC FRICTION COEFFICIENT OF WET CLUTCH DURING ENGAGEMENT
Zhigang Zhang, Ling Zou, Hang Liu, Yonglong Chen, Benzhu Zhang
Int J Automot Technol. 2022;23(1):125-134.    DOI: https://doi.org/10.1007/s12239–022–0010–5
      
 Electric, Fuel Cell, and Hybrid Vehicle, Transmission and Driveline
135 DEVELOPMENT OF A COMPOUND POWER-SPLIT HYBRID POWER SYSTEM FOR COMMERCIAL VEHICLES
Qing Li, Zhendong Zhang, Jianyong Bai, Tong Zhang, Fuxiang Gai
Int J Automot Technol. 2022;23(1):135-147.    DOI: https://doi.org/10.1007/s12239–022–0011–4
      
  Engine and Emissions, Fuels and Lubricants
149 EFFECTS OF OVERALL-EQUIVALENCE RATIOS BY VARYING INTAKE PRESSURES AND EXHAUST GAS RECIRCULATION RATES ON THE NATURAL GAS/DIESEL DUAL-FUEL COMBUSTION AT A HIGH LOAD CONDITION
Sunyoup Lee, Wonbin Choi, Changgi Kim, Seokhwan Lee, Sechul Oh, Jeongwoo Lee
Int J Automot Technol. 2022;23(1):149-158.    DOI: https://doi.org/10.1007/s12239–022–0012–3
      
 Body and Safety, Chassis, Manufacturing, Materials and Recycling
159 MECHANICAL COUPLING DEVICES TO VARIOUS TYPES OF VEHICLES UNDER CYCLIC LOADING
Tadeusz Szymczak, Sławomir Cholewiński, Adam Brodecki, Jacek Łączyński
Int J Automot Technol. 2022;23(1):159-167.    DOI: https://doi.org/10.1007/s12239–022–0013–2
      
 Electric, Fuel Cell, and Hybrid Vehicle, Transmission and Driveline
169 TRANSIENT FRICTIONAL TEMPERATURE VARIATIONS OF SSP AND DSP WET FRICTION PADS BY REPEATED ENGAGEMENT USING SLIPPING MODES
Youngtaek Oh, Siyoul Jang
Int J Automot Technol. 2022;23(1):169-177.    DOI: https://doi.org/10.1007/s12239–022–0014–1
      
 Human Factors and Ergonomics, Other Fields of Automotive Engineering
179 EFFECT OF STABILIZING STRATEGY ON HEAD KINEMATICS OF OCCUPANT
Hyojin Shin, Wonkyo Jung, Hyung Yun Choi, Akinari Hirao
Int J Automot Technol. 2022;23(1):179-192.    DOI: https://doi.org/10.1007/s12239–022–0015–0
      
  Electric, Fuel Cell, and Hybrid Vehicle, Engine and Emissions, Heat Transfer, Fluid and Thermal Engineering
193 NUMERICAL PROJECTION ON OCCUPANT THERMAL COMFORT VIA DYNAMIC RESPONSES TO HUMAN THERMOREGULATION
Weijian Li, Jiqing Chen, Fengchong Lan, Xijiao Zheng, Wenbo Zeng
Int J Automot Technol. 2022;23(1):193-203.    DOI: https://doi.org/10.1007/s12239–022–0016–z
      
 Engine and Emissions, Fuels and Lubricants
205 AIS TECHNOLOGY FOR INCREASING THE USABILITY OF LFG FUEL FOR SI ENGINE
Munseok Choe, Kwonse Kim, Dooseuk Choi
Int J Automot Technol. 2022;23(1):205-214.    DOI: https://doi.org/10.1007/s12239–022–0017–y
      
 Engine and Emissions
215 EFFECT OF EXHAUST BACKPRESSURE ON PERFORMANCE OF A DIESEL ENGINE: A NEURAL NETWORK BASED SENSITIVITY ANALYSIS
Yiğit Gülmez, Güner Özmen
Int J Automot Technol. 2022;23(1):215-223.    DOI: https://doi.org/10.1007/s12239–022–0018–x
      
 Body and Safety, Chassis, Manufacturing, Materials and Recycling
225 MODULAR ARCHITECTURE DESIGN OF CHASSIS SYSTEM USING DATABASE
Minsu Hyun, Seung-Jin Heo
Int J Automot Technol. 2022;23(1):225-232.    DOI: https://doi.org/10.1007/s12239–022–0019–9
      
  Engine and Emissions, Fuels and Lubricants
233 PREDICTING UNBURNED HYDROCARBONS IN THE THERMAL BOUNDARY LAYER CLOSE TO THE COMBUSTION-CHAMBER WALL IN A GASOLINE ENGINE USING A 1-D MODEL
Kei Yoshimura, Hajime Yahata, Shoya Tanamachi, Kyohei Yamaguchi, Ratnak Sok, Jin Kusaka, Satoshi Tokuhara
Int J Automot Technol. 2022;23(1):233-242.    DOI: https://doi.org/10.1007/s12239–022–0020–3
      
 Vehicle Dynamics and Control
243 WEAR AND DEFORMATION OF NOZZLE BODY SEAT OF DIESEL FUEL INJECTOR
Athiwat Butmarasri, Susumu Sato, Hidenori Kosaka
Int J Automot Technol. 2022;23(1):243-255.    DOI: https://doi.org/10.1007/s12239–022–0021–2
      
 Electric, Fuel Cell, and Hybrid Vehicle
257 SOLIDIFICATION THERMAL BEHAVIOR OF FIN HEAT EXCHANGER WITH PHASE CHANGE MATERIAL FOR ELECTRIC VEHICLE THERMAL MANAGEMENT
Hong Seok Kim, Eiji Hihara, Chaobin Dang
Int J Automot Technol. 2022;23(1):257-264.    DOI: https://doi.org/10.1007/s12239–022–0022–1
      
 Engine and Emissions
265 Machine Learning Application to Predict Combustion Phase of a Direct Injection Spark Ignition Engine
Rio Asakawa, Keisuke Yokota1, Iku Tanabe, Kyohei Yamaguchi, Ratnak Sok, Hiroyuki Ishii, Jin Kusaka
Int J Automot Technol. 2022;23(1):265-272.    DOI: https://doi.org/10.1007/s12239–022–0023–0
      
 Body and Safety, Manufacturing, Materials and Recycling
273 MULTY-STAGE COLD FORGING PROCESS OPTIMIZATION OF EPB SPINDLE NUT BY FORMABILITY EVALUATION
YoungHo Seo
Int J Automot Technol. 2022;23(1):273-281.    DOI: https://doi.org/10.1007/s12239–022–0024–z
      
 Engine and Emissions, Fuels and Lubricants
283 UNIFORMITY IMPROMENT ON BACK-DISK IMPINGEMENT COOLING PERFERENCE OF A RADICAL TURBINE WITH OPTIMIZED DISTRIBUTION STRATEGIES OF JET-HOLES
Kangbo Lu, Lei Shi, Shuzhan Bai, Chao Ma, Kangyao Deng
Int J Automot Technol. 2022;23(1):283-292.    DOI: https://doi.org/10.1007/s12239–022–0025–y
      
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