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Journal articles on the topic 'Deactivation of cylinders'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Allen, Cody M., Dheeraj B. Gosala, Gregory M. Shaver, and James McCarthy. "Comparative study of diesel engine cylinder deactivation transition strategies." International Journal of Engine Research 20, no. 5 (2018): 570–80. http://dx.doi.org/10.1177/1468087418768117.

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Cylinder deactivation is an effective strategy to improve diesel engine fuel efficiency and aftertreatment thermal management when implemented through deactivation of both fueling and valve motion for a set of cylinders. Brake power is maintained by injecting additional fuel into the remaining activated cylinders. The initial deactivation of cylinders can be accomplished in various ways, the two most common options being to trap freshly inducted charge in the deactivated cylinders or to trap combusted gases in the deactivated cylinders. The choice of trapping strategy dictates the in-cylinder

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2

Lee, Nankyu, Jinil Park, Jonghwa Lee, Kyoungseok Park, Myoungsik Choi, and Wongyu Kim. "Estimation of Fuel Economy Improvement in Gasoline Vehicle Using Cylinder Deactivation." Energies 11, no. 11 (2018): 3084. http://dx.doi.org/10.3390/en11113084.

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Cylinder deactivation is a fuel economy improvement technology that has attracted particular attention recently. The currently produced cylinder deactivation engines utilize fixed-type cylinder deactivation in which only a fixed number of cylinders are deactivated. As fixed-type cylinder deactivation has some shortcomings, variable-type cylinder deactivation with no limit on the number of deactivated cylinders is under research. For variable-type cylinder deactivation, control is more complicated and production cost is higher than fixed-type cylinder deactivation. Therefore, it is necessary to

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3

Liu, Ying, and A. G. Kuznetsov. "An Analysis of the Working Process of a Diesel Engine under Cylinder Deactivation." Proceedings of Higher Educational Institutions. Маchine Building, no. 11 (716) (November 2019): 9–18. http://dx.doi.org/10.18698/0536-1044-2019-11-9-18.

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The effect of cylinder deactivation as a method of controlling a diesel engine working in partial load modes is usually justified based on the characteristics corresponding to the engine performance without cylinder deactivation. However, the results obtained through theoretical analysis and in practice have significant differences, since the working processes of activated and deactivated cylinders run in different ways. In this paper, a simulation method is used to analyze the working process of the diesel engine under cylinder deactivation. The working processes in activated and deactivated

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4

Dat, Ly Vinh, and Yaojung Shiao. "PROPOSING A VALVE TRAIN SYSTEM FOR CYLINDER DEACTIVATION IN SI ENGINES." Transactions of the Canadian Society for Mechanical Engineering 41, no. 4 (2017): 543–53. http://dx.doi.org/10.1139/tcsme-2017-1038.

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Cylinder deactivation method can provide many advantages in improving emissions and fuel consumption at various load ranges in spark ignition (SI) engines. The study proposes a design valve train that can control the deactivation of cylinder in an inline SI engine with four cylinders. The proposed design, which is an improvement on the conventional valve train in the engine, can deactivate one- or two-cylinder mode depending on part or medium load in a vehicle. The results show that cylinder deactivation can reduce about 13–15% of fuel consumption compared with the conventional engine. The con

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5

Gosala, Dheeraj B., Cody M. Allen, Gregory M. Shaver, et al. "Dynamic cylinder activation in diesel engines." International Journal of Engine Research 20, no. 8-9 (2018): 849–61. http://dx.doi.org/10.1177/1468087418779937.

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Cylinder deactivation has been recently demonstrated to have fuel savings and aftertreatment thermal management benefits at low to moderate loads compared to conventional operation in diesel engines. This study discusses dynamic cylinder activation as an effective variant to fixed diesel engine cylinder deactivation. The set of inactive and active cylinders varies on a cycle-by-cycle basis during dynamic cylinder activation. This enables greater control over forcing frequencies of the engine, thereby allowing the engine to operate away from the drivetrain resonant frequency at all engine speed

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6

Liu, Ying, Alexandr Kuznetsov, and Bowen Sa. "Simulation and Analysis of the Impact of Cylinder Deactivation on Fuel Saving and Emissions of a Medium-Speed High-Power Diesel Engine." Applied Sciences 11, no. 16 (2021): 7603. http://dx.doi.org/10.3390/app11167603.

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The potential benefit of cylinder deactivation (CDA) on power and emission performances has been numerically investigated on a locomotive 16-cylinder diesel engine. A 1D model combined with a predictive friction model and a 3D combustion model based and validated on experimental data have been developed to simulate engine working processes by deactivating half of the cylinders by cutting off the fuel supply and maintaining/cutting off valve motions. The results demonstrate that CDA with the valves closed decreases the BSFC by 11% at 450 rpm and by 14% at 556 rpm with a load of 1000 N∙m, due to

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7

Zsiga, Norbert, Johannes Ritzmann, and Patrik Soltic. "Practical Aspects of Cylinder Deactivation and Reactivation." Energies 14, no. 9 (2021): 2540. http://dx.doi.org/10.3390/en14092540.

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Cylinder deactivation is an effective measure to reduce the fuel consumption of internal combustion engines. This paper deals with several practical aspects of switching from conventional operation to operation with deactivated cylinders, i.e., gas spring operation with closed intake and exhaust valves. The focus of this paper lies on one particular quantity-controlled stoichiometrically-operated engine where the load is controlled using the valve timing. Nevertheless, the main results are transferable to other engines and engine types, including quality-controlled engines. The first aspect of

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8

Buitkamp, Thomas, Michael Günthner, Florian Müller, and Tim Beutler. "A detailed study of a cylinder activation concept by efficiency loss analysis and 1D simulation." Automotive and Engine Technology 5, no. 3-4 (2020): 159–72. http://dx.doi.org/10.1007/s41104-020-00070-1.

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Abstract Cylinder deactivation is a well-known measure for reducing fuel consumption, especially when applied to gasoline engines. Mostly, such systems are designed to deactivate half of the number of cylinders of the engine. In this study, a new concept is investigated for deactivating only one out of four cylinders of a commercial vehicle diesel engine (“3/4-cylinder concept”). For this purpose, cylinders 2–4 of the engine are operated in “real” 3-cylinder mode, thus with the firing order and ignition distance of a regular 3-cylinder engine, while the first cylinder is only activated near fu

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9

DRAGHICU, Marcel Alexandru, Victor IORGA SIMAN, Adrian CLENCI, Rodica NICULESCU, and Florian IVAN. "Overview on the Cylinder Deactivationtechniques." University of Pitesti. Scientific Bulletin - Automotive Series 31 (February 1, 2021): 1–10. http://dx.doi.org/10.26825/bup.ar.2021.005.

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"Temporary downsizing" in the form of deactivation of the cylinders is used as an attractive compromise, as it allows to improvefuel consumptionandat the same time it allows sufficient power reserve to meet the requirements of the driver, maintaining driving pleasure as well as comfort regarding noise and vibration levels.The paper aims topresent an overview on the cylinder deactivation techniques focusing on the stakes and challenges related with their implementation.

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10

Muhamad Said, Mohd Farid, Zulkarnain Abdul Latiff, Shaiful Fadzil Zainal Abidin, and Izzarief Zahari. "Investigation of Intake Valve Strategy on the Cylinder Deactivation Engine." Applied Mechanics and Materials 819 (January 2016): 459–65. http://dx.doi.org/10.4028/www.scientific.net/amm.819.459.

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There are many technologies that being developed to increase the efficiency of internal combustion engines as well as reducing their fuel consumption. In this paper, the main research area is focus on cylinder deactivation (CDA) technology. CDA mostly being applied on multi cylinders engines. CDA has the advantage in improving fuel consumption by reducing pumping losses at part load engine conditions. Here, the application of CDA on 1.6L four cylinders gasoline engine was studied. One-dimensional (1D) engine modeling is performed to investigate the effect of intake valve strategy on engine per

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11

Bewsher, SR, R. Turnbull, M. Mohammadpour, et al. "Effect of cylinder de-activation on the tribological performance of compression ring conjunction." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 231, no. 8 (2016): 997–1006. http://dx.doi.org/10.1177/1350650116684985.

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The paper presents transient thermal-mixed-hydrodynamics of piston compression ring–cylinder liner conjunction for a 4-cylinder 4-stroke gasoline engine during a part of the New European Drive Cycle (NEDC). Analyses are carried out with and without cylinder de-activation technology in order to investigate its effect upon the generated tribological conditions. In particular, the effect of cylinder deactivation upon frictional power loss is studied. The predictions show that overall power losses in the piston–ring cylinder system worsen by as much as 10% because of the increased combustion press

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12

Zainal Abidin, S. F., Mohd Farid Muhamad Said, Azhar Abdul Aziz, Mohd Azman Abas, and N. I. Arishad. "Investigation of Performance and Fuel Economy for Cylinder Deactivation Engine at Part Load Operation." Applied Mechanics and Materials 819 (January 2016): 443–48. http://dx.doi.org/10.4028/www.scientific.net/amm.819.443.

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In automotive engine applications, the spark ignition (SI) engines can operate at various engine speed and load conditions. However, most of the time was spend at part load operations, where they operate below their rated output especially during cruising or idling. The needs of improvement in term of engine efficiency at part load operation become more popular among the engine manufacturers. One of the main reasons for efficiency dropped at part load conditions is the flow restrictions at the throttle valve opening area due to nearly-close position to control amount of inducted air into the c

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13

Shin, Hyunki, Donghyuk Jung, Manbae Han, Seungwoo Hong, and Donghee Han. "Minimization of Torque Deviation of Cylinder Deactivation Engine through 48V Mild-Hybrid Starter-Generator Control." Sensors 21, no. 4 (2021): 1432. http://dx.doi.org/10.3390/s21041432.

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Cylinder deactivation (CDA) is an effective technique to improve fuel economy in spark ignition (SI) engines. This technique enhances volumetric efficiency and reduces throttling loss. However, practical implementation is restricted due to torque fluctuations between individual cylinders that cause noise, vibration, and harshness (NVH) issues. To ease torque deviation of the CDA, we propose an in-cylinder pressure based 48V mild-hybrid starter-generator (MHSG) control strategy. The target engine realizes CDA with a specialized engine configuration of separated intake manifolds to independently

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14

Gritsenko, A. V., K. V. Glemba, G. N. Salimonenko, A. G. Karpenko, and V. V. Rudnev. "Ecological properties of automobile petrol engine under partial deactivation of cylinders." Herald of the Ural State University of Railway Transport, no. 4 (2019): 25–39. http://dx.doi.org/10.20291/2079-0392-2019-4-25-39.

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15

Perram, G. P., D. A. Determan, J. A. Dorian, B. F. Lowe та T. L. Thompson. "Radial diffusion between coaxial cylinders and surface deactivation of O2 (b 1Σ+g)". Chemical Physics 162, № 2-3 (1992): 427–32. http://dx.doi.org/10.1016/0301-0104(92)85019-q.

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16

Осетров, О. О., and Є. І. Жуковський. "DEVELOPMENT OF THE DEACTIVATION SCHEMES OF THE CYLINDERS FOR THE STATIONARY DIESEL-GENERATOR ON OPERATIONAL MODES." Internal Combustion Engines, no. 1 (September 24, 2019): 73–80. http://dx.doi.org/10.20998/0419-8719.2019.1.11.

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17

Ramesh, Aswin K., Troy E. Odstrcil, Dheeraj B. Gosala, et al. "Reverse breathing in diesel engines for aftertreatment thermal management." International Journal of Engine Research 20, no. 8-9 (2018): 862–76. http://dx.doi.org/10.1177/1468087418783118.

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Approximately 40% of typical heavy-duty vehicle operation occurs at loaded idle during which time conventional diesel engines are unable to maintain aftertreatment component temperatures in a fuel-efficient manner. Fuel economy and thermal management at this condition can be improved via reverse breathing, a novel method in which exhaust gases are recirculated, as needed, from exhaust to intake manifold via one or more cylinders. Resultant airflow reductions increase exhaust gas temperatures and decrease exhaust flow rates, both of which are beneficial for maintaining desirable aftertreatment

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18

Wang, Yang, Wuqiang Long, Jingchen Cui, et al. "Development of a variable mode valve actuation system for a heavy-duty engine." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 234, no. 10-11 (2020): 2618–33. http://dx.doi.org/10.1177/0954407020901659.

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A new variable mode valve actuation system for a heavy-duty engine was proposed and designed in this paper. The variable mode valve actuation system can significantly enhance braking safety and improve fuel economy and emission of heavy-duty engines through flexible switching among four-stroke driving mode, two-stroke compression-release braking mode, and cylinder deactivation mode on a conventional four-stroke engine. The switching was controlled by four-stroke driving modules and two-stroke braking modules, both of which have two operation states: effective state and failure state. For the c

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19

Gritsenko, A. V., K. V. Glemba, A. A. Petelin, V. N. Kozhanov, A. G. Karpenko, and V. V. Rudnev. "Investigation of diesel engine ecological properties and its efficiency under deactivation of a part of cylinders in light-load conditions." Herald of the Ural State University of Railway Transport, no. 4 (2019): 46–64. http://dx.doi.org/10.20291/2079-0392-2019-4-46-64.

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20

McGhee, Michael, Ziman Wang, Alexander Bech, Paul J. Shayler, and Dennis Witt. "The effects of cylinder deactivation on the thermal behaviour and fuel economy of a three-cylinder direct injection spark ignition gasoline engine." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 11 (2018): 2838–49. http://dx.doi.org/10.1177/0954407018806744.

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The changes in thermal state, emissions and fuel economy of a 1.0-L, three-cylinder direct injection spark ignition engine when a cylinder is deactivated have been explored experimentally. Cylinder deactivation improved engine fuel economy by up to 15% at light engine loads by reducing pumping work, raising indicated thermal efficiency and raising combustion efficiency. Penalties included an increase in NOx emissions and small increases in rubbing friction and gas work losses of the deactivated cylinder. The cyclic pressure variation in the deactivated cylinder falls rapidly after deactivation

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21

Küpper, Klaus, Jan Linsel, Bert Pingen, and Carsten Weber. "Cylinder Deactivation for Three-cylinder Engines." MTZ worldwide 77, no. 12 (2016): 46–51. http://dx.doi.org/10.1007/s38313-016-0132-0.

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22

Gosala, Dheeraj B., Cody M. Allen, Aswin K. Ramesh, et al. "Cylinder deactivation during dynamic diesel engine operation." International Journal of Engine Research 18, no. 10 (2017): 991–1004. http://dx.doi.org/10.1177/1468087417694000.

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Cylinder deactivation can be implemented at low loads in diesel engines to improve efficiency and aftertreatment thermal management through reductions in pumping work and airflow, respectively. The rate of increase of torque/power during diesel engine transients is limited by the engine’s ability to increase the airflow quickly enough to allow sufficient fuel addition to meet the desired torque/power. The reduced airflow during cylinder deactivation needs to be managed properly so as to not slow the torque/power response. This paper demonstrates that it is possible to operate a diesel engine a

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23

Paimon, Ahmad Solehin, Wira Jazair, and Srithar Rajoo. "Parametric Study of Cylinder Deactivation and Valve Deactivation for Unthrottled Operation." Advanced Materials Research 614-615 (December 2012): 525–28. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.525.

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Cylinder deactivation (CDA) as well as valve deactivation (VDA) technologies provides big potentials to decrease fuel consumption and emission at part load operation for SI engine. In real driving situation, an internal combustion engine operates in transient operation where the load and speed varies continuously. This part load operation leads the engine to have poor fuel consumption and emission due to throttle pumping losses. This paper will investigate the further potential of both induction strategy, cylinder deactivation and valve deactivation in extending the fuel economy at part load.

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24

Faust, Hartmut, and Martin Scheidt. "Cylinder deactivation — potentials & constraints." Auto Tech Review 5, no. 10 (2016): 38–43. http://dx.doi.org/10.1365/s40112-016-1218-4.

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25

Ramesh, Aswin K., Gregory M. Shaver, Cody M. Allen, et al. "Utilizing low airflow strategies, including cylinder deactivation, to improve fuel efficiency and aftertreatment thermal management." International Journal of Engine Research 18, no. 10 (2017): 1005–16. http://dx.doi.org/10.1177/1468087417695897.

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Approximately 30% of the fuel consumed during typical heavy-duty vehicle operation occurs at elevated speeds with low-to-moderate loads below 6.5 bar brake mean effective pressure. The fuel economy and aftertreatment thermal management of the engine at these conditions can be improved using conventional means as well as cylinder deactivation and intake valve closure modulation. Airflow reductions result in higher exhaust gas temperatures, which are beneficial for aftertreatment thermal management, and reduced pumping work, which improves fuel efficiency. Airflow reductions can be achieved thro

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26

Kortwittenborg, Thomas, and Frank Walter. "Strategy to Control the Cylinder Deactivation." MTZ worldwide 74, no. 2 (2013): 18–22. http://dx.doi.org/10.1007/s38313-013-0014-7.

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27

Wilcutts, Mark, Hans-Josef Schiffgens, and Matthew Younkins. "CO2 Reduction with Dynamic Cylinder Deactivation." MTZ worldwide 80, no. 4 (2019): 20–27. http://dx.doi.org/10.1007/s38313-019-0009-0.

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28

Ortiz-Soto, Elliot, and Matthew Younkins. "Advanced Cylinder Deactivation with Miller Cycle." MTZ worldwide 80, no. 5 (2019): 58–63. http://dx.doi.org/10.1007/s38313-019-0032-1.

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29

Ritzmann, Johannes, Norbert Zsiga, Christian Peterhans, and Christopher Onder. "A control strategy for cylinder deactivation." Control Engineering Practice 103 (October 2020): 104566. http://dx.doi.org/10.1016/j.conengprac.2020.104566.

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30

Shiao, Yao Jung, and Ly Vinh Dat. "The Optimal Strategies for Improving Efficiency in Camless Engines." Applied Mechanics and Materials 145 (December 2011): 83–87. http://dx.doi.org/10.4028/www.scientific.net/amm.145.83.

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In this paper, an unthrottled camless engine model, which equipped electromagnetic valvetrain (EMV), has been built for performance simulation of engine dynamics. The combination of the techniques of cylinder deactivation (CDA) and variable valve timing (VVT) has been examined for different engine speeds and engine loads. The results concluded that the mode of two-cylinder deactivation considerably improves the fuel consumption at low engine load. Meanwhile, the one-cylinder deactivation mode is an optimal fuel economy mode for medium engine load. The normal engine mode fairly satisfies the dr

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31

Flierl, Rudolf, and Frederic Lauer. "Mechanically Fully Variable Valvetrain and Cylinder Deactivation." MTZ worldwide 74, no. 4 (2013): 50–57. http://dx.doi.org/10.1007/s38313-013-0042-3.

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32

Flierl, Rudolf, Frederic Lauer, Michael Breuer, and Wilhelm Hannibal. "Cylinder Deactivation with Mechanically Fully Variable Valve Train." SAE International Journal of Engines 5, no. 2 (2012): 207–15. http://dx.doi.org/10.4271/2012-01-0160.

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33

Krijgsman, Arco, Arjen de Jong, and Rick Breunesse. "Cylinder Deactivation with Post-expansion of Exhaust Gases." MTZ worldwide 81, no. 2 (2020): 60–65. http://dx.doi.org/10.1007/s38313-019-0163-4.

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34

Hu, Maoyang, and Siqin Chang. "Study on Valve Strategy and Fuel Benefits of Skip Fire Based on Electromagnetic Valve Train." MATEC Web of Conferences 202 (2018): 02003. http://dx.doi.org/10.1051/matecconf/201820202003.

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Cylinder deactivation (CDA) is a fuel consumption reduction technology for gasoline engines. Skip fire is a new type of CDA because the load and the density of firing cylinder are in proportion to the torque demand. However, it is difficult to realize because valves need to be switched between valve deactivation and normal operation stroke by stroke. The Electromagnetic valve train (EMVT) provides a fully flexible control method to achieve skip fire. In the paper, a new skip fire strategy based on electromagnetic intake valve train (EMIV) is proposed. Then, the oxygen concentration of the exha

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35

Corno, Matteo, Luca D'Avico, Stefano Marelli, Marco Galvani, and Sergio M. Savaresi. "Predictive Cylinder Deactivation Control for Large Displacement Automotive Engines." IEEE Transactions on Vehicular Technology 68, no. 10 (2019): 9554–63. http://dx.doi.org/10.1109/tvt.2019.2933066.

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36

Wong, Kevin C. "Cylinder deactivation torque limit for noise, vibration, and harshness." Journal of the Acoustical Society of America 123, no. 3 (2008): 1229. http://dx.doi.org/10.1121/1.2901339.

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37

Middendorf, Hermann, Jörg Theobald, Leonhard Lang, and Kai Hartel. "The 1.4-l TSI Gasoline Engine with Cylinder Deactivation." MTZ worldwide 73, no. 3 (2012): 4–9. http://dx.doi.org/10.1365/s38313-012-0147-0.

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38

Hoffmann, Hermann, Adam Loch, Richard Widmann, Gerhard Kreusen, Daniel Meehsen, and Martin Rebbert. "Cylinder deactivation for valve trains with roller finger follower." MTZ worldwide 70, no. 4 (2009): 26–30. http://dx.doi.org/10.1007/bf03226942.

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39

Faust, Hartmut, and Martin Scheidt. "Potentials and Constraints of Cylinder Deactivation in the Powertrain." MTZ worldwide 77, no. 6 (2016): 72–77. http://dx.doi.org/10.1007/s38313-016-0046-x.

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40

Fridrichová, K., L. Drápal, J. Vopařil, and J. Dlugoš. "Overview of the potential and limitations of cylinder deactivation." Renewable and Sustainable Energy Reviews 146 (August 2021): 111196. http://dx.doi.org/10.1016/j.rser.2021.111196.

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41

Paimon, A. S., S. Rajoo, W. Jazair, M. A. Abas, and Z. H. Che Daud. "Idling Performance under Valve Deactivation Strategy in Port Fuel Injection Engine." International Journal of Automotive and Mechanical Engineering 16, no. 4 (2019): 7155–69. http://dx.doi.org/10.15282/ijame.16.4.2019.01.0535.

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This paper investigates the effect of valve deactivation (VDA) on idling performance in port fuel injection (PFI) engine. The test was conducted on 1.6L, 4-cylinder engine with PFI configuration. One of the two intake valves in each cylinder was deactivated (zero lift on deactivated port) and fuel injector was modified to only provide fuel spray on the active intake port. In-cylinder pressure was recorded by the combustion analyzer in order to measure and analyze the combustion characteristics. From the test, there are up to 6% of fuel consumption improvements across all the test conditions. B

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42

Park, Kyoungseok, Nankyu Lee, Jinil Park, and Jonghwa Lee. "Simulation of Fuel Economy Improvement by Using Cylinder Deactivation Control." Transactions of The Korean Society of Automotive Engineers 25, no. 4 (2017): 467–73. http://dx.doi.org/10.7467/ksae.2017.25.4.467.

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43

Gore, M., R. Rahmani, H. Rahnejat, and PD King. "Assessment of friction from compression ring conjunction of a high-performance internal combustion engine: A combined numerical and experimental study." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 230, no. 12 (2015): 2073–85. http://dx.doi.org/10.1177/0954406215588480.

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The paper presents direct measurement of in-cylinder friction from a single cylinder motocross race engine under motored conditions and compares the same with a new analytical predictive method. These conditions are encountered in piston–cylinder system with the application of cylinder deactivation (CDA) technology, which is a growing trend. The analytical method takes into account the various regions within instantaneous contact of compression ring–cylinder liner, including lubricant film rupture, cavitation zone and the subsequent lubricant film reformation. The analysis also includes the ef

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44

Turnbull, Robert, Nader Dolatabadi, Ramin Rahmani, and Homer Rahnejat. "Energy loss and emissions of engine compression rings with cylinder deactivation." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 235, no. 7 (2021): 1930–43. http://dx.doi.org/10.1177/0954407020982868.

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A novel integrated multi-physics assessment of the piston top compression ring of an internal combustion engine under normal operation mode, as well as subjected to cylinder deactivation is carried out. The methodology comprises ring-liner thermo-mixed hydrodynamics, elastodynamics of ring, as well as combustion gas blow-by and emissions. Therefore, the analysis provides prediction of ring-liner contact’s energy losses and gas power leakage across the piston and ring crevices, as well as the resulting emissions. Cylinder deactivation (CDA) technology reduces the unburnt fuel entering the ring-

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45

Yang, Jing, Long Quan, and Yang Yang. "Excavator energy-saving efficiency based on diesel engine cylinder deactivation technology." Chinese Journal of Mechanical Engineering 25, no. 5 (2012): 897–904. http://dx.doi.org/10.3901/cjme.2012.05.897.

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46

Dat, Ly Vinh, and Yaojung Shiao. "PROPOSING A VALVE TRAIN SYSTEM FOR CYLINDER DEACTIVATION IN SI ENGINES." Transactions of the Canadian Society for Mechanical Engineering 41, no. 4 (2017): 543–53. http://dx.doi.org/10.1139/tcsme-2017-0038.

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47

McCarthy Jr., James, Bryar Peters, Matthew Pieczko, Chris Sharp, Thomas Reinhart, and Andrew Matheaus. "Vibration and emissions quantification over key drive cycles using cylinder deactivation." International Journal of Powertrains 9, no. 4 (2020): 315. http://dx.doi.org/10.1504/ijpt.2020.10033152.

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48

Reinhart, Thomas, Andrew Matheaus, Chris Sharp, Bryar Peters, Matthew Pieczko, and James McCarthy Jr. "Vibration and emissions quantification over key drive cycles using cylinder deactivation." International Journal of Powertrains 9, no. 4 (2020): 315. http://dx.doi.org/10.1504/ijpt.2020.111245.

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49

Chen, Shikui Kevin, Hans-Josef Schiffgens, Robert Wang, and Mauro Scassa. "Reduced Emissions and Consumption of Diesel Engines through Dynamic Cylinder Deactivation." MTZ worldwide 81, no. 7-8 (2020): 60–64. http://dx.doi.org/10.1007/s38313-020-0246-2.

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Hu, Maoyang, Siqin Chang, Yaxuan Xu, and Liang Liu. "Study on Valve Strategy of Variable Cylinder Deactivation Based on Electromagnetic Intake Valve Train." Applied Sciences 8, no. 11 (2018): 2096. http://dx.doi.org/10.3390/app8112096.

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Abstract:

The camless electromagnetic valve train (EMVT), as a fully flexible variable valve train, has enormous potential for improving engine performances. In this paper, a new valve strategy based on the electromagnetic intake valve train (EMIV) is proposed to achieve variable cylinder deactivation (VCD) on a four-cylinder gasoline engine. The 1D engine model was constructed in GT-Power according to test data. In order to analyze the VCD operation with the proposed valve strategy, the 1D model was validated using a 3D code. The effects of the proposed valve strategy were investigated from the perspec

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