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Journal articles on the topic 'Turbocharger Matching'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Korakianitis, Theodosios, and T. Sadoi. "Turbocharger-Design Effects on Gasoline-Engine Performance." Journal of Engineering for Gas Turbines and Power 127, no. 3 (2005): 525–30. http://dx.doi.org/10.1115/1.1808428.

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Specification of a turbocharger for a given engine involves matching the turbocharger performance characteristics with those of the piston engine. Theoretical considerations of matching turbocharger pressure ratio and mass flow with engine mass flow and power permits designers to approach a series of potential turbochargers suitable for the engine. Ultimately, the final choice among several candidate turbochargers is made by tests. In this paper two types of steady-flow experiments are used to match three different turbochargers to an automotive turbocharged-intercooled gasoline engine. The fi

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2

Tian, Wei, Defeng Du, Juntong Li, Zhiqiang Han, and Wenbin Yu. "Establishment of a Two-Stage Turbocharging System Model and Analysis on Influence Rules of Key Parameters." Energies 13, no. 8 (2020): 1953. http://dx.doi.org/10.3390/en13081953.

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This paper took a two-stage turbocharged heavy-duty six-cylinder diesel engine as the research object and established a two-stage turbocharging system matching model. The influence rules between the two-stage turbocharging key parameters were analyzed, while summarizing an optimization method of key parameters of a two-stage turbocharger. The constraint equations for the optimal distribution principle of the two-stage turbocharger’s pressure ratio and expansion ratio were proposed. The results show that when the pressure ratio constraint equation and expansion ratio constraint equation are sat

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3

Roy, Badal Dev, and R. Saravanan. "Experimental Evaluation of Turbo-Matching Appropriateness of B60J67, B60J68, A58N70 and A58N72 Turbo-Chargers for a Commercial Vehicle Engine." International Journal of Emerging Research in Management and Technology 6, no. 11 (2018): 71. http://dx.doi.org/10.23956/ijermt.v6i11.49.

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The Turbocharger is a charge booster for internal combustion engines to ensure best engine performance at all speeds and road conditions especially at the higher load. Random selection of turbocharger may lead to negative effects like surge and choke in the breathing of the engine. Appropriate selection or match of the turbocharger (Turbomatching) is a tedious task and expensive. But perfect match gives many distinguished advantages and it is a one time task per the engine kind. This study focuses to match the turbocharger to desired engine by simulation and on road test. The objective of work

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4

Panting, J., K. R. Pullen, and R. F. Martinez-Botas. "Turbocharger motor-generator for improvement of transient performance in an internal combustion engine." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 215, no. 3 (2001): 369–83. http://dx.doi.org/10.1243/0954407011525700.

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Turbocharging of internal combustion engines is an established technology used for the purpose of increasing both power density and in some cases the cycle efficiency of diesel engines relative to naturally aspirated engines. However, one significant drawback is the inability to match the characteristics of the turbocharger to the engine under full load and also to provide sufficiently good transient response. Under many conditions this results in reduced efficiency and leads to higher exhaust emissions. The design of turbocharger components must be compromised in order to minimize these drawb

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5

Sun, Qi Xin, and Limin Chen. "Research on Transmitting Efficiency of Supercharged Device." Applied Mechanics and Materials 63-64 (June 2011): 237–40. http://dx.doi.org/10.4028/www.scientific.net/amm.63-64.237.

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In recent years, the internal combustion engine has been widely used through technological advances to improve its environmental performance. Mechanical and electrical integration of the engine turbocharging system is based on conventional turbocharging system to increase motor in parallel with the turbocharger and the corresponding reversible energy storage components, so that achieve by adjusting the energy input or output direction and the size of the motor to adjust the exhaust turbocharger operating point and the gas supply function. According to matching requirements of light vehicle die

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6

Zhao, Jun Hao, Hong Ying Ren, and Lian Zhong Huang. "Research on Matching of Main Engine and Turbocharger on Sail-Assisted Ship." Applied Mechanics and Materials 291-294 (February 2013): 513–17. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.513.

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To research the matching of main engine and turbocharger on sail-assisted ship, a 76000 deadweight tonnage cargo ship with 5S60MC main engine and TCA66 turbocharger was selected. The simulation model of working process of the engine was established, with AVL BOOST software, and verified by bench test results. Then, the model was used to analyze the matching of main engine and turbocharger, at constant speed mode of the main engine and constant speed mode of the ship. The results show that, the matching of main engine and turbocharger is acceptable, on the selected sail-assisted ship. However,

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7

Deng, Qiyou, Andrew Pennycott, Qingning Zhang, Calogero Avola, Ludek Pohorelsky, and Richard Burke. "Dimensionless quantification of small radial turbine transient performance." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 235, no. 1 (2020): 188–98. http://dx.doi.org/10.1177/0954407020942035.

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Turbochargers are inherently dynamic devices, comprising internal flow volumes, mechanical inertias and thermal masses. When operating under transient conditions within an engine system, these dynamics need to be better understood. In this paper, a new non-dimensional modelling approach to characterise the turbocharger is proposed. Two new dimensionless quantities are defined with respect to mechanical and thermal transient behaviour, which are used in conjunction with the Strouhal number for flow transients. The modelling approach is applied to a small wastegated turbocharger and validated ag

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8

Wang, Zhihui, Chaochen Ma, Zhi Huang, Liyong Huang, Xiang Liu, and Zhihong Wang. "A novel variable geometry turbine achieved by elastically restrained nozzle guide vanes." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 234, no. 9 (2020): 2312–29. http://dx.doi.org/10.1177/0954407020909662.

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Variable geometry turbocharging is one of the most significant matching methods between turbocharger and engine, and has been proven to provide air boost for entire engine speed range as well as to reduce turbo-lag. An elastically constrained device designed for a novel variable geometry turbocharger was presented in this paper. The design of the device is based on the nozzle vane’s self-adaptation under interactions of the elastic force by elastically restrained guide vane and the aerodynamic force from flowing gas. The vane rotation mechanism of the novel variable geometry turbocharger is di

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9

Karamanis, N., and R. F. Martinez-Botas. "Mixed-flow turbines for automotive turbochargers: Steady and unsteady performance." International Journal of Engine Research 3, no. 3 (2002): 127–38. http://dx.doi.org/10.1243/14680870260189253.

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Turbochargers are finding increasing application to automotive diesel engines as cost effective means for improving their power output and efficiency, and reducing exhaust emissions; these requirements have led to the need for highly loaded turbocharger turbines. A mixed-flow turbine is capable of achieving its peak isen-tropic efficiency at reduced velocity ratios compared to a typical radial inflow turbine; it is therefore possible to improve the turbocharger/engine matching. These turbines differ from the commonly used radial turbines in that the flow approaches the rotor in the non-radial

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10

Ashikaga, Yasunori. "Turbocharger Matching of Wärtsilä Low Speed Engines." Journal of The Japan Institute of Marine Engineering 51, no. 2 (2016): 182–85. http://dx.doi.org/10.5988/jime.51.182.

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11

Tancrez, M., J. Galindo, C. Guardiola, P. Fajardo, and O. Varnier. "Turbine adapted maps for turbocharger engine matching." Experimental Thermal and Fluid Science 35, no. 1 (2011): 146–53. http://dx.doi.org/10.1016/j.expthermflusci.2010.07.018.

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12

Katrasˇnik, T., S. Rodman, F. Trenc, A. Hribernik, and V. Medica. "Improvement of the Dynamic Characteristic of an Automotive Engine by a Turbocharger Assisted by an Electric Motor." Journal of Engineering for Gas Turbines and Power 125, no. 2 (2003): 590–95. http://dx.doi.org/10.1115/1.1563246.

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Turbocharging and subsequent charge cooling of the working medium usually causes increase of the mean effective pressure in an automotive diesel engine. Poor performance during the engine load increase is attributed to the nature of energy exchange between the engine and the turbocharger. Filling of the intake and exhaust manifolds, as well as consequent increase of the pressure and acceleration of the rotating components of the turbocharger require a certain period of time. Dynamic performance of the turbocharger can be substantially improved by means of an electric motor attached directly to

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13

Zhang, Peng Qi, Dong Hui Zhao, Peng Wu, and Yin Yan Wang. "465Q Gasoline Engine Turbocharger Matching and Performance Calculation." Advanced Materials Research 500 (April 2012): 223–29. http://dx.doi.org/10.4028/www.scientific.net/amr.500.223.

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This article take the Dongan 465Q non-supercharged engine as the research object, the simulation model is built by GT-POWER and the corresponding test bench is set up. The simulation error is less than 3%, which indicates that the parameters of this model is correct, and can be used for further study of the gasoline engine. The supercharger, Garrett GT12, is selected by the matching calculation. The non-supercharged 465Q engine is modified as a turbocharged engine. The test results show that the power and the fuel consumption of the turbocharged engine is improved obviously, whose power is inc

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14

Lei, Jie, Yan Song Wang, and Hong Juan Ren. "CFD Simulation of Volute of Variable Geometry Turbocharger." Advanced Materials Research 532-533 (June 2012): 287–91. http://dx.doi.org/10.4028/www.scientific.net/amr.532-533.287.

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To study the Volute of Variable Geometry Turbocharger (VGT) flow field and the possibility of providing the basis theory for control strategy and matching with engine, in this paper, a method is presented. The 3D viscous compressible flow in the model of volute and the vanes is simulated by CFD using FVM (Finite Volume Method). And taking some VGT as an example, the simulation is carried out. The result shows that the method can display the distribution of pressure and velocity in the model clearly. The zone and the reasons resulting in loss will be found after analyzing the results, and then

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15

Le, Tuan Anh. "SIMULATION OF A TURBOCHARGING SYSTEM EQUIPPED FOR A DIESEL ENGINE D1146TIS." Science and Technology Development Journal 12, no. 14 (2009): 86–94. http://dx.doi.org/10.32508/stdj.v12i14.2343.

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The paper presents simulated results of a turbocharging system in a combination of turbine - compressor - IC. engine on one dimensional simulation software AVL-BOOST. Findings of the research depict clearly that the turbocharger equipped for the engine has met all requirements to have high boost pressure for this engine. The full load curve of the engine is located out of the surge area and in the area of high efficiency of the compressor's map. Besides, findings of the research also virtually show the matching of the turbochager and the engine - an important basis for operating the turbocharg

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16

Emara, Kareem, Ahmed Emara, and El Sayed Abdel Razek. "TURBOCHARGER SELECTION AND MATCHING CRITERIA IN A HEAVY DUTY DIESEL ENGINE." International Journal of Scientific & Engineering Research 7, no. 12 (2016): 609–15. http://dx.doi.org/10.14299/ijser.2016.12.009.

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17

Chung, Jaewoo, Siwon Lee, Namho Kim, et al. "Study on the Effect of Turbine Inlet Temperature and Backpressure Conditions on Reduced Turbine Flow Rate Performance Characteristics and Correction Method for Automotive Turbocharger." Energies 12, no. 20 (2019): 3934. http://dx.doi.org/10.3390/en12203934.

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In actual vehicle operation, the turbocharger turbine operates at various temperatures, inlet, and backpressure conditions, unlike compressors. The flow rate characteristics of the turbine are generally evaluated under certain conditions using an assembled turbocharger with a compressor and a turbine and a hot gas bench from the turbocharger manufacturer. Flow rate characteristics are also presented as the reduced mass flow rate to correct the flow rate characteristics according to the turbine inlet temperature and pressure. Therefore, the turbine mass flow rate seen in many engine development

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18

Gan, Hui. "The Processing Technology and Dynamic Balancing of Turbocharger Rotor Parts." Advanced Materials Research 779-780 (September 2013): 651–54. http://dx.doi.org/10.4028/www.scientific.net/amr.779-780.651.

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The passage analyzed the influence factors of dynamic balance of the turbocharger rotor. According to the structure of turbo rotor components and compressor impeller, the article proposes the matching process of impeller shaft and the selection of equipment model and expounds the importance of rotor dynamic balance. The working principles of two models of whole dynamic balancing machine are comparative analyzed, so as to provide a selection for processing choice.

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19

Denisova, E. V., and M. A. Chernikova. "The technique for reconciling the dynamic characteristics of gas turbine engines and fuel automatics." Proceedings of the Mavlyutov Institute of Mechanics 10 (2014): 55–58. http://dx.doi.org/10.21662/uim2014.1.010.

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The paper presents the technique for matching the dynamic characteristics of gas turbine engines and fuel systems for the unhuman vehicle, described by its logic and graphically illustrates the relationship of the dynamic characteristics of the gas turbine engine, the acceleration path, depending on the frequency of the rotor of the turbocharger rotation time and, depending on the fuel consumption speed.

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20

Thamaraikannan. M et al.,, Thamaraikannan M. et al ,. "Turbocharger Matching for Two Cylinder Constant Speed Diesel Engine with Uneven Firing Order." International Journal of Mechanical and Production Engineering Research and Development 8, no. 4 (2018): 109–16. http://dx.doi.org/10.24247/ijmperdaug201812.

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21

Zhang, Zhongjie, Ruilin Liu, Guangmeng Zhou, et al. "Influence of varying altitudes on matching characteristics of the Twin-VGT system with a diesel engine and performance based on analysis of available exhaust energy." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 234, no. 7 (2019): 1972–85. http://dx.doi.org/10.1177/0954407019876220.

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A variable geometry turbocharger in series with a variable geometry turbocharger (Twin-VGT) system was designed to improve engine power at high altitudes. The influence of altitudes on the performance of the Twin-VGT system was investigated in the perspective of available exhaust energy. The interaction between exhaust flow characteristics of Twin-VGT and openings of Twin-VGT vanes was theoretically analyzed at different altitudes. Meanwhile, a model of a diesel engine matched with the Twin-VGT system was built to study the matching performance of the Twin-VGT system with engine at different a

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22

Morimune, T., and N. Hirayama. "The Matching of Diesel Engine to Exhaust Turbocharger—Improved Calculation Model at T-Junction." Journal of Engineering for Gas Turbines and Power 110, no. 3 (1988): 547–51. http://dx.doi.org/10.1115/1.3240169.

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The suitability of the analysis of the unsteady flow through the exhaust junction plays an important role in developing a computer program for matching a diesel engine to an exhaust turbocharger. This paper describes an improvement of the calculation procedure for computing the behavior of the unsteady gas flow at the exhaust junction. Measured values of pressure, temperature, and mass flow rate are compared with computer predictions using four different pipe junction computations: constant pressure model, momentum model, simplified model, and the improved exact model developed in this study.

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23

Cui, Xin Jie, Shi Dong Zhang, Fan Shi, and Chuan Lei Yang. "Simulation on Performance of Sequential Turbocharging Diesel Engine with Inlet and Exhaust Bypass System." Applied Mechanics and Materials 490-491 (January 2014): 464–67. http://dx.doi.org/10.4028/www.scientific.net/amm.490-491.464.

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Sequential turbocharging and inlet/exhaust bypass (STC-CAB) were composited to used on diesel engine, which can expand engine running area in part load and optimize the matching of turbocharger and diesel engine. The simulation was studied based on GT-POWER software in order to investigate the engine performance difference caused by stc-cab system. The simulation results showed that STC-CAB system can make the compressor away from surge area and expand diesel engine running area, improve the performance of torque in low load.

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24

Zhu, Dengting, Yun Lin, and Xinqian Zheng. "Strategy on performance improvement of inverse Brayton cycle system for energy recovery in turbocharged diesel engines." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 234, no. 1 (2019): 85–95. http://dx.doi.org/10.1177/0957650919847920.

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The inverse Brayton cycle is a potential technology for waste heat energy recovery. It consists of three components: one turbine, one heat exchanger, and one compressor. The exhaust gas is further expanded to subatmospheric pressure in the turbine, and then cooled in the heat exchanger, last compressed in the compressor into the atmosphere. The process above is the reverse of the pressurized Brayton cycle. This work has presented the strategy on performance improvement of the inverse Brayton cycle system for energy recovery in turbocharged diesel engines, which has pointed the way to the futur

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25

Jawad, Layth H., Shahrir Abdullah, Zulkifli R., and Wan Mohd Faizal Wan Mahmood. "Effect of Vaned Diffuser on a Modified Turbocharger Centrifugal Compressor Performance." Applied Mechanics and Materials 663 (October 2014): 347–53. http://dx.doi.org/10.4028/www.scientific.net/amm.663.347.

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A numerical study that was made in a three-dimensional flow, carried out in a modified centrifugal compressor, having vaned diffuser stage, used as an automotive turbo charger. In order to study the influence of vaned diffuser meridional outlet section with a different width ratio of the modified centrifugal compressor. Moreover, the performance of the centrifugal compressor was dependent on the proper matching between the compressor impeller along the vaned diffuser. The aerodynamic characteristics were compared under different meridional width ratio. In addition, the velocity vectors in diff

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26

Song, Kang, Ben Zhao, Harold Sun, and Weilin Yi. "A physics-based zero-dimensional model for the mass flow rate of a turbocharger compressor with uniform/distorted inlet condition." International Journal of Engine Research 20, no. 6 (2018): 624–39. http://dx.doi.org/10.1177/1468087418773673.

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Turbocharger compressor, when fitted to a vehicle, usually operates with a curved inlet pipe which leads to distorted inlet flow field, hence deteriorating compressor flow capability. During the measurement of compressor performance, turbocharger-engine matching and controller design, the inlet flow field is, however, assumed to be uniform, which deviates from the real-world conditions. Consequently, the overall system performance could be compromised if the inlet distortion effect is ignored. To address this issue, in this article, a turbomachinery physics-based zero-dimensional model was pro

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27

Thomas, Anand Mammen, Jensen Samuel J., Paul Pramod M., A. Ramesh, R. Murugesan, and A. Kumarasamy. "Simulation of a Diesel Engine with Variable Geometry Turbocharger and Parametric Study of Variable Vane Position on Engine Performance." Defence Science Journal 67, no. 4 (2017): 375. http://dx.doi.org/10.14429/dsj.67.11451.

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Modelling of a turbocharger is of interest to the engine designer as the work developed by the turbine can be used to drive a compressor coupled to it. This positively influences charge air density and engine power to weight ratio. Variable geometry turbocharger (VGT) additionally has a controllable nozzle ring which is normally electro-pneumatically actuated. This additional degree of freedom offers efficient matching of the effective turbine area for a wide range of engine mass flow rates. Closing of the nozzle ring (vanes tangential to rotor) result in more turbine work and deliver higher b

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Tamaki, H., H. Nakao, and M. Saito. "The Experimental Study of Matching Between Centrifugal Compressor Impeller and Diffuser." Journal of Turbomachinery 121, no. 1 (1999): 113–18. http://dx.doi.org/10.1115/1.2841218.

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The centrifugal compressor for a marine use turbocharger with its design pressure ratio of 3.2 was tested with a vaneless diffuser and various vaned diffusers. Vaned diffusers were chosen to cover impeller operating range as broad as possible. The analysis of the static pressure ratio in the impeller and the diffusing system, consisting of the diffuser and scroll, showed that there were four possible combinations of characteristics of impeller pressure ratio and diffusing system pressure ratio, The flow rate, QP, where the impeller achieved maximum static pressure ratio, was surge flow rate of

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29

Usai, Vittorio, and Silvia Marelli. "Steady State Experimental Characterization of a Twin Entry Turbine under Different Admission Conditions." Energies 14, no. 8 (2021): 2228. http://dx.doi.org/10.3390/en14082228.

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The increasingly restrictive limits on exhaust emissions of automotive internal combustion engines imposed in recent years are pushing OEMs to seek new solutions to improve powertrain efficiency. Despite the increase in electric and hybrid powertrains, the turbocharging technique is still one of the most adopted solution in automotive internal combustion engines to achieve good efficiency with high specific power levels. Nowadays, turbocharged downsized engines are the most common solution to lower CO2 emissions. Pulse turbocharging is the most common boosting layout in automotive applications

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Kannan, Ramesh, BVSSS Prasad, and Sridhara Koppa. "Transient performance of the mixed flow and radial flow variable geometry turbines for an automotive turbocharger." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 19 (2020): 3762–75. http://dx.doi.org/10.1177/0954406220916493.

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In our previous paper, the steady-state test results of a mixed flow turbine with variable nozzle vanes for a turbocharger are reported. In this paper, the transient response of the same mixed flow turbine along with that of a similarly sized radial flow turbine is presented. The turbine size is suitable for handling the flow capacity of the diesel engines with swept volume up to 1.5 L. The previous experimental test set up is modified by adding a quick-release valve – actuation system before the turbine inlet to obtain a transient response. The radial and mixed flow turbines are tested for di

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31

Stoumpos, Sokratis, Gerasimos Theotokatos, Christoforos Mavrelos, and Evangelos Boulougouris. "Towards Marine Dual Fuel Engines Digital Twins—Integrated Modelling of Thermodynamic Processes and Control System Functions." Journal of Marine Science and Engineering 8, no. 3 (2020): 200. http://dx.doi.org/10.3390/jmse8030200.

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This study aims at developing an integrated model that combines detailed engine thermodynamic modelling and the control system functional modelling paving the way towards the development of high-fidelity digital twins. To sufficiently represent the combustion process, a multi-Wiebe function approach was employed, whereas a database for storing the combustion model parameters was developed. The developed model was employed for the systematic investigation of a marine four-stroke dual fuel engine response during demanding transient operation with mode switching and load changes. The derived resu

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Bao, Mengyao, Shuiting Ding, and Guo Li. "Classification and Control of Key Factors Affecting the Failure of Aviation Piston Turbocharger Systems Using Model-Based System Safety Analysis." International Journal of Aerospace Engineering 2021 (September 17, 2021): 1–19. http://dx.doi.org/10.1155/2021/9710515.

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Turbocharging is an effective way to address the problem of reduction in power and increase in fuel consumption of aviation piston engines during high-altitude flight. However, turbochargers have greatly increased the degree of complexity of power systems. The model-based system safety analysis methods for the safety analysis of turbocharging systems are introduced in this study to overcome the limitations of the traditional safety analysis methods regarding complex matching and coupled safety issues. On the basis of the established system models and the formed failure mode work boundaries and

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Shu, Mengying, Bijie Yang, Mingyang Yang, Ricardo F. Martinez-Botas, and Kangyao Deng. "Investigation on the unsteadiness of centrifugal compressor exposed to pulsating backpressure." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 235, no. 8 (2021): 2212–25. http://dx.doi.org/10.1177/0954407020984593.

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Centrifugal compressor is exposed to pulsating backpressure due to the movement of intake valves in internal combustion engine. The performance of compressor deviates from the steady performance map, which affects the matching between turbocharger and engine. The behavior of compressor system at pulsation conditions are investigated via an in-house developed 1D unsteady code validated by experimental results. The influence of pulse frequency, magnitude and compressor characteristic curve on the compressor transient responses, including filling-emptying effect and wave dynamics, are analyzed. R

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34

Roy, Badal Dev, and Dr R. Saravanan. "Investigation on Appropriateness of Turbo-matching of B60J68 and A58N70 Turbochargers for a Commercial Vehicle." International Journal of Trend in Scientific Research and Development Volume-2, Issue-1 (2017): 341–48. http://dx.doi.org/10.31142/ijtsrd5958.

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35

Zhang, Hong Yan, Cheng Wang, Yan Jun Li, and Yong Ming Feng. "Analysis of the Matching Performance of Supercharged Boiler and Turbocharged Set." Advanced Materials Research 354-355 (October 2011): 842–46. http://dx.doi.org/10.4028/www.scientific.net/amr.354-355.842.

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Based on the supercharged boiler thermodynamic calculation method and turbocharged set characteristic calculation method, an integrated model used for studying the matching performance was built, and then the matching performance calculation program chart was made. Taking a type of marine supercharged boiler as the research object, the matching performance of supercharged boiler and turbocharged set, which was changed with excess air coefficient, was studied under different loads. The model is proved correct and effective by the comparison of the design value and calculation value. The analysi

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Song, Fei, Gang Cheng, Feng Rui Sun, and Guo Qing Zhu. "Reconstruction of Key Parameters of Marine Supercharged Boiler Based on PLS-SVM." Advanced Materials Research 859 (December 2013): 19–22. http://dx.doi.org/10.4028/www.scientific.net/amr.859.19.

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A PLS-SVM method is used in order to improve the performance matching of Marine Supercharged Boiler and Turbocharged set. Value of key parameter of processing control is reconstructed through out of historical operating data. The traditional way of parameter reconstruction is theoretical calculation, which cannot solve the problem caused by performance degradation. Experiment shows that the PLA-SVM method could lead to a more accuracy and efficient results.

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Qian, Yuehua, Zhe Zhang, and Kangyao Deng. "Development of a Three-Phase Sequential Turbocharging System with Two Unequal-Size Turbochargers." International Journal of Rotating Machinery 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/951096.

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A three-phase sequential turbocharging system with two unequal-size turbochargers is developed to improve the fuel economy performance and reduce the smoke emission of the automotive diesel engine, and it has wider range of application than the current two-phase sequential turbocharging system. The steady matching method of the turbochargers and engine and the steady switching boundary are presented. The experimental results show that this system is effective to improve the engine performance especially at the low speed and high load. The maximum reductions of BSFC and smoke opacity are 7.1% a

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38

Roy, Badal Dev. "Experimental evaluation of Turbo-Matching of B60j67, B60j68 and A58n75 Turbochargers by Data-logger Method." International Journal for Research in Applied Science and Engineering Technology V, no. XI (2017): 1760–66. http://dx.doi.org/10.22214/ijraset.2017.11254.

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Roy, Badal Dev, and R. Sarav anan. "An Approach for Turbo-matching of B60J67 and A58N75 Turbochargers for a Haulage Truck Engine." International Journal of Engineering Trends and Technology 53, no. 2 (2017): 108–13. http://dx.doi.org/10.14445/22315381/ijett-v53p219.

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Hu, Zhilong, Kangyao Deng, Yi Cui, Xinxin Yang, and Baochuan Zhang. "Steady-state and transient control strategies for a two-stage turbocharged diesel engine." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 232, no. 9 (2017): 1167–79. http://dx.doi.org/10.1177/0954407017727442.

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Two-stage turbocharging technology is widely used to achieve higher engine power density and lower exhaust emissions. To solve a series of contradictions in matching, a regulated two-stage (RTS) turbocharging system is applied to reasonably control boost pressure. This paper investigated steady-state and transient control strategies for an RTS turbocharging system to achieve optimum fuel economy in steady-state conditions and better performance in transient conditions. The economic control strategies for steady-state operational conditions were based on an economic regulation law, which was es

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Nelson, S. A., Z. S. Filipi, and D. N. Assanis. "The Use of Neural Nets for Matching Fixed or Variable Geometry Compressors With Diesel Engines." Journal of Engineering for Gas Turbines and Power 125, no. 2 (2003): 572–79. http://dx.doi.org/10.1115/1.1563239.

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A technique which uses trained neural nets to model the compressor in the context of a turbocharged diesel engine simulation is introduced. This technique replaces the usual interpolation of compressor maps with the evaluation of a smooth mathematical function. Following presentation of the methodology, the proposed neural net technique is validated against data from a truck type, 6-cylinder 14-liter diesel engine. Furthermore, with the introduction of an additional parameter, the proposed neural net can be trained to simulate an entire family of compressors. As a demonstration, a family of co

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Li, Shicheng, Kongwu Chen, Yongsheng Long, Hao Peng, Jingbo Wang, and Tianhong Kang. "Experimental study on particulate control of turbo gasoline engine." E3S Web of Conferences 268 (2021): 01014. http://dx.doi.org/10.1051/e3sconf/202126801014.

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This study takes light-passenger vehicles with 1.5L port fuel injection turbocharged engine as the research object, based on the WLTC test cycle about the China 6b emissions regulations, including some influence of several key technologies, such as fuel injector selection, intake VVT opening, fuel control and gear shift point matching, what can affect the particulate emissions from light-passenger vehicles. The results show that without particulate filter (GPF) technology, Using the original 4-hole fuel injector, the opened intake air VVT in catalyst light off, the optimized fuel control and g

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Zhu, Sipeng, Sheng Liu, Shuan Qu, and Kangyao Deng. "Thermodynamic and experimental researches on matching strategies of the pre-turbine steam injection and the Miller cycle applied on a turbocharged diesel engine." Energy 140 (December 2017): 488–505. http://dx.doi.org/10.1016/j.energy.2017.08.094.

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Song, Chuanxue, Gangpu Yu, Shuai Yang, Ruoli Yang, Yi Sun, and Da Wang. "Development of a New-Concept Supercharged Single-Cylinder Engine for Race Car." Energies 13, no. 14 (2020): 3694. http://dx.doi.org/10.3390/en13143694.

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This article summarises the development and experience of the Formula Student race car engine from 2018. According to the technical rules of Formula Student after the change in 2017, this engine adopts a new design concept, employs a 690-mL single-cylinder engine as the base, and applies ‘response enhancement technology’ with supercharging as the core to achieve a high-power output, a wide high-torque range and an excellent response capability. During the development, various studies on the dynamic performance of the vehicle and the engine were conducted, including vehicle dynamics analysis an

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Mizythras, Panagiotis, Evangelos Boulougouris, and Gerasimos Theotokatos. "A novel objective oriented methodology for marine engine–turbocharger matching." International Journal of Engine Research, August 15, 2021, 146808742110397. http://dx.doi.org/10.1177/14680874211039705.

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The matching of the turbocharging system with a marine engine is an essential undertaking due to the turbocharger effects on the engine performance, emissions and response, whilst the limited data availability during the ship design phase renders it challenging. This study aims at developing a novel methodology for the matching of a single turbocharger and multiple turbochargers connected in parallel with marine engines. This methodology employs a compressor parametric modelling tool and a zero-dimensional engine model, whilst taking into account the engine operational profile and the turbocha

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Yanbin, Liu, Zhuge Weilin, Zhang Yangjun, Zhang Shuyong, Zhang Junyue, and Huo Xuemin. "A Matching Method for Two-Stage Turbocharging System." Journal of Engineering for Gas Turbines and Power 137, no. 2 (2014). http://dx.doi.org/10.1115/1.4028387.

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The turbine system of a two-stage turbocharger composed of high pressure turbine (HT), low pressure turbine (LT), and by-pass valve decides distribution and utilization of exhaust gas energy and influence performance of two-stage turbocharger in whole operational conditions. Besides, characteristics of turbine is expressed by envelop line of characteristic lines in different speeds. So turbine can be conveniently selected compared with compressor with similarity theory. Therefore, two-stage turbocharger matching begins from turbine system matching in the paper. In two-stage turbocharger, coole

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Roy, Badal Dev, R. Saravanan, and M. Chandrasekaran. "Dynamic Load Test Based Data-Logger Turbo matching of B60J67 A58N70 and A58N75 Turbochargers for Tata 497 TCIC-BS III Engine - An Investigation." International Journal of Vehicle Structures and Systems 11, no. 3 (2019). http://dx.doi.org/10.4273/ijvss.11.3.03.

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Turbocharger matching is a process of matching a turbocharger to the desired engine. Many methods were proposed to perform the best match but they failed at certain cases. Due to inherent character of centrifugal compressor less torque develops poor transient response compared to naturally aspired engine. The mismatch of turbocharger will lead to poor performance. This research adapts, on road test based data logger turbomatching. In this investigation the matching performances of different turbochargers with a TATA truck engine was analysed. Five different routes included were for testing the

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Wu, Binyang, Zhiqiang Han, Xiaoyang Yu, Shunkai Zhang, Xiaokun Nie, and Wanhua Su. "A Method for Matching Two-Stage Turbocharger System and Its Influence on Engine Performance." Journal of Engineering for Gas Turbines and Power 141, no. 5 (2019). http://dx.doi.org/10.1115/1.4039461.

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Matching of a two-stage turbocharging system is important for high efficiency engines because the turbocharger is the most effective method of exhaust heat recovery. In this study, we propose a method to match a two-stage turbocharging system for high efficiency over the entire range of operational conditions. Air flow is an important parameter because it influences combustion efficiency and heat load performance. First, the thermodynamic parameters of the engine and the turbocharging system are calculated in eight steps for selecting and matching the turbochargers. Then, by designing the inte

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Serrano, José Ramón, Francisco José Arnau, Luis Miguel García-Cuevas, Alejandro Gómez-Vilanova, Stephane Guilain, and Samuel Batard. "A Methodology for Measuring Turbocharger Adiabatic Maps in a Gas-Stand and Its Usage for Calibrating Control Oriented and One-Dimensional Models at Early ICE Design Stages." Journal of Energy Resources Technology 143, no. 4 (2020). http://dx.doi.org/10.1115/1.4048229.

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Abstract In this work, a methodology is proposed to standardize turbochargers testing based on measuring the maps twice: in close to adiabatic and in diathermal conditions. Along the paper, it is discussed with special detail the impact of the procedure followed to achieve said quasi-adiabatic conditions in both the energy balance of the turbocharger and the testing complexity. As a conclusion, the paper proposes a methodology which combines quasi-adiabatic tests (cold and hot gas flow) with diathermal tests (hot gas flow) in order to extract from a turbocharger gas-stand all information neede

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Liu, Ruilin, Zhongjie Zhang, Surong Dong, and Guangmeng Zhou. "High-Altitude Matching Characteristic of Regulated Two-Stage Turbocharger With Diesel Engine." Journal of Engineering for Gas Turbines and Power 139, no. 9 (2017). http://dx.doi.org/10.1115/1.4036283.

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To improve engine power at high altitude, the regulated two-stage turbocharger (RTST) which was applied to different altitudes was developed by the authors. The working process model of heavy-duty common-rail diesel engine matched with RTST was built to study the regulating characteristic of variable geometry turbocharger (VGT) vane and both turbine bypass valves and also matching performance of RTST with engine at different altitudes. The control scheme of RTST at different altitudes and engine operating conditions was first put forward, and the optimal opening maps of VGT vane and both turbi

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