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Journal articles on the topic 'Cylinder balancing'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Craven, R. P. M., and J. E. Smith. "Complete Balancing of the Stiller—Smith Engine: 4, 8, 12, 16 or More Cylinders." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 204, no. 1 (1990): 67–75. http://dx.doi.org/10.1243/pime_proc_1990_204_134_02.

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A review of the Stiller-Smith mechanism is followed by a summary of balancing techniques to date. These are supplemented with further balancing techniques which allow engines with any multiple of four cylinders to be balanced. The use of counter-rotating shafts enables wobble induced by a single four-cylinder Stiller-Smith mechanism to be countered. The advantages and disadvantages of the different configurations are discussed with respect to balancing. Of special interest are two 16-cylinder configurations which are completely balanced without the use of counterweights.

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2

Chainov, N. D., and P. R. Vallejo Maldonado. "Balancing the Moments of a VR5 Engine Taking into Account a Desaxial Crank Mechanism and Cylinder Camber Angle." Proceedings of Higher Educational Institutions. Маchine Building, no. 05 (722) (May 2020): 41–49. http://dx.doi.org/10.18698/0536-1044-2020-5-41-49.

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Automobile piston engines with a desaxial crank mechanism are characterized by increased vibration activity associated with a cyclic change in the pressure of the working fluid in the cylinders and inertial forces associated with the reciprocating and rotational movement of the crank mechanism moving masses. Properties reflecting the consumer properties of the engine, including acoustic characteristics, are largely determined by the level of vibration of the structural elements of the desaxial crank mechanism and, first of all, by the balance of inertial forces during operation. The article di

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3

Ostman, Fredrik, and Hannu T. Toivonen. "Adaptive Cylinder Balancing of Internal Combustion Engines." IEEE Transactions on Control Systems Technology 19, no. 4 (2011): 782–91. http://dx.doi.org/10.1109/tcst.2010.2052925.

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4

MOSAKOWSKI, Ryszard. "Comparative analysis of balancing of V6 engines with common- and split-pin crankshafts." Combustion Engines 156, no. 1 (2014): 3–12. http://dx.doi.org/10.19206/ce-116947.

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An analysis of balancing of V6 engines equipped with split-pin crankshafts with any cylinder bank angle based on the mathematical relations derived in the paper was carried out. A comparison of the quality of their balancing with engines equipped with common-pin crankshafts was also carried out. The bank angle ranges beneficial for balancing of moments of inertia forces in reciprocating motion were determined. A mathematical relation on the optimum value of the main counterweights in the function of the cylinder bank angle was derived as well. The advantages of the split-pin crankshafts from t

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5

MOSAKOWSKI, Ryszard. "Analysis of balancing of four stroke V6 engines." Combustion Engines 155, no. 4 (2013): 44–55. http://dx.doi.org/10.19206/ce-116976.

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Analysis of balance of V6 engines with a common-pin crankshaft depending on a cylinder bank angle and the crank radius to connecting rod length ratios l based on the relations derived is presented in the paper. The bank angles providing the lowest moment of inertia forces in reciprocating motion for selected l values were determined. The position of the plane of the main counterweights in order to maximum balance of the moment of the first order inertia forces and degree of its balancing in the function of the cylinder bank angle were also defined in the paper. The position of the balancing sh

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6

Apelinskij, D. V., V. V. Gusarov, and V. M. Fomin. "Possibilities of balancing a single-cylinder two-stroke engine." Izvestiya MGTU MAMI 40, no. 2 (2019): 2–7. http://dx.doi.org/10.31992/2074-0530-2019-40-2-2-7.

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7

Hara, Takahiko, Tetsuya Kimura, and Ryoji Kawatani. "Development of a Juggling Robot Balancing on a Cylinder." Proceedings of Conference of Hokuriku-Shinetsu Branch 2002.39 (2002): 243–44. http://dx.doi.org/10.1299/jsmehs.2002.39.243.

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8

Schernewski, Ralf, and Uwe Kiencke. "Methods for cylinder balancing on common rail diesel engine." IFAC Proceedings Volumes 32, no. 2 (1999): 909–14. http://dx.doi.org/10.1016/s1474-6670(17)56153-4.

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9

Abedin, M. J., H. H. Masjuki, M. A. Kalam, A. Sanjid, and S. M. A. Rahman. "Thermal Balancing of a Multi-Cylinder Diesel Engine Operating on Diesel, B5 and Palm Biodiesel Blends." Journal of Clean Energy Technologies 3, no. 2 (2015): 115–18. http://dx.doi.org/10.7763/jocet.2015.v3.178.

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10

Liu, Xiao-Ang, Wen-Bin Shangguan, Zhao-Ping Lv, Waizuddin Ahmed, and Weidong Zhu. "A study on optimization method of a powertrain mounting system with a three-cylinder engine." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 231, no. 12 (2016): 2235–52. http://dx.doi.org/10.1177/0954406216631004.

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Compared with unbalance forces and moments of four- and six-cylinder engines, forces and moments applied to the engine block from a three-cylinder engine are large and the mechanism for balancing the unbalance forces are complex. So design of a mounting system for the powertrain with a three-cylinder engine is more challenging. This paper presents the analytical methods for obtaining the unbalance forces and moments applied to the engine block for a three-cylinder engine with or without balance measures, and develops a design methodology for the Powertrain Mounting System with a three-cylinder

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11

Ashhab, M. S. S., A. G. Stefanopoulou, J. A. Cook, and M. B. Levin. "Control of Camless Intake Process—Part II1." Journal of Dynamic Systems, Measurement, and Control 122, no. 1 (1998): 131–39. http://dx.doi.org/10.1115/1.482448.

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A model-based control scheme is designed to regulate the cylinder air charge of a camless multicylinder engine for unthrottled operation. The controller consists of a feedforward and an adaptive feedback scheme based on a control-oriented model of the breathing process of an engine equipped with electro-hydraulic springless valvetrain. The nonlinear control scheme is designed to achieve cylinder-to-cylinder balancing, fast cycle-to-cycle response, and minimization of pumping losses. The algorithm uses conventional sensor measurements of intake manifold pressure and mass air flow to the intake

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12

Li, P., T. Shen, and D. Liu. "Idle speed performance improvement via torque balancing control in ignition-event scale for SI engines with multi-cylinders." International Journal of Engine Research 13, no. 1 (2011): 65–76. http://dx.doi.org/10.1177/1468087411405415.

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Imbalance in torque generation leads to engine speed fluctuation. To improve the idle engine speed performance, the torque balancing control problem is addressed in this paper for multi-cylinder SI engines. To evaluate cylinder-to-cylinder imbalance, the average torque in ignition-event scale is introduced as controlled output, which enables a feedback control to be performed without measurement of instantaneous torque, and the individual spark advances are chosen as control inputs. A linear discrete time model with single input and single output is proposed to represent the dynamics of the im

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13

Ferraris, G., M. A. Andrianoely, A. Berlioz, and R. Dufour. "Influence of cylinder pressure on the balancing of a rotary compressor." Journal of Sound and Vibration 292, no. 3-5 (2006): 899–910. http://dx.doi.org/10.1016/j.jsv.2005.09.026.

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14

Xie, Hui, Kang Song, Yu He, and Jun Lu. "Multi-cylinder spark-assisted homogeneous charge compression ignition engine balancing control." International Journal of Powertrains 2, no. 4 (2013): 314. http://dx.doi.org/10.1504/ijpt.2013.058318.

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15

Huo, Ping, Jian Ping Wang, and Qiu Yan Sun. "Analysis of Self-Balance Characteristics of OPOC Engine." Advanced Materials Research 211-212 (February 2011): 93–96. http://dx.doi.org/10.4028/www.scientific.net/amr.211-212.93.

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Considering the structure feature and working principle of Opposed Piston Opposed Cylinder engine, mathematical model of kinematics relationship for internal-external piston is build. Using ADAMS software to process kinematics characteristics simulation study and comparing the simulation results with traditional diesel engine, it indicate that the OPOC two-stroke engine has better self-balancing character, less kinematics inertial force and cylinder lateral pressure, and is helpful in reducing the frictional power consumption, and improving the noise-vibration smoothness.

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16

Su, Pei Qun, and Zhi Hui Deng. "Analysis of the Opening Characteristic of Hydraulic Control One-Way Valve in Vertical Hydraulic Cylinder Balance Circuits." Applied Mechanics and Materials 318 (May 2013): 15–20. http://dx.doi.org/10.4028/www.scientific.net/amm.318.15.

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Hydraulic control one-way valve as the retaining element of vertical hydraulic cylinder, often is due to improper application to produce large opening pressure, not unlocking, vibration, noise etc.fault. This paper analyses two vertical hydraulic balance circuit, one makes use of the one-way throttle valve and another is not,calculates the necessary condition and opening pressure of hydraulic control one-way valve reverse opening, obtains the opening characteristic of hydraulic control one-way valve in vertical balancing circuit, acquires the relationship of the reverse opening pressure with h

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17

Yin, Bi Feng, Jiang Guang He, Yi Xu, and Yong Qiang Li. "The Novel Design of Full-Balancing Mechanism for Single-Cylinder Diesel Engine." Applied Mechanics and Materials 37-38 (November 2010): 1520–24. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.1520.

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One new sliding-block balancing mechanism is proposed for the single-cylinder diesel engine. In the new mechanism, the sliding block is installed against the engine piston. The reciprocation trajectory of sliding block is collinear with the piston trajectory, while sliding block and piston move in the opposite direction, just like two opposite crank connecting rods. The new mechanism includes the crankshaft, connecting rod ring, the slider and the guide components. Through the bearing, connecting rod is installed in the eccentric journal of the crankshaft. The circular connecting rod is in the

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18

Smith, J. E., A. D. McKisic, R. Craven, and J. Prucz. "Three-Dimensional Balancing of the Stiller-Smith Mechanism for Application to an Eight-Cylinder IC Engine." Journal of Mechanisms, Transmissions, and Automation in Design 111, no. 4 (1989): 459–64. http://dx.doi.org/10.1115/1.3259021.

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The Stiller-Smith Mechanism employs a double cross-slider to convert linear reciprocating motion into rotational motion. It has previously been shown that a four-cylinder configuration utilizing this motion conversion device can be balanced in two dimensions. The inherent planar nature of this mechanism makes it possible to produce a compact, eight-cylinder configuration for use as an internal combustion engine which is balanced in three dimensions. This paper develops and presents the necessary requirements for such a balanced engine. Relative merits of various configurations are discussed an

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19

MOSAKOWSKI, Ryszard. "Analysis of balancing of six-cylinder in-line two-stroke internal combustion engines." Combustion Engines 139, no. 4 (2009): 22–33. http://dx.doi.org/10.19206/ce-117165.

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Simple relations describing the resultant moments of inertia forces of the first and second order for all sixty possible configurations of the crankshaft in two-stroke four-cylinder engine have been derived in the paper. A comparative analysis of the crankshafts with different arrangements of cranks have been carried out with respect to the resultant moments of the first and second order inertia forces. The comparison has been carried out for two values of the crank throw to connecting rod length ratio, namely l = 0.3 and l = 0.5. The outcomes of the comparative analysis indicate that irrespec

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20

Wang, Changhui, and Zhiyuan Liu. "Estimation of Individual Cylinder Air-Fuel Ratio in Gasoline Engine with Output Delay." Journal of Sensors 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/5908459.

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The estimation of the individual cylinder air-fuel ratio (AFR) with a single universal exhaust gas oxygen (UEGO) sensor installed in the exhaust pipe is an important issue for the cylinder-to-cylinder AFR balancing control, which can provide high-quality torque generation and reduce emissions in multicylinder engine. In this paper, the system dynamic for the gas in exhaust pipe including the gas mixing, gas transport, and sensor dynamics is described as an output delay system, and a new method using the output delay system observer is developed to estimate the individual cylinder AFR. With the

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21

Levecque, N., J. Mahfoud, D. Violette, G. Ferraris, and R. Dufour. "Vibration reduction of a single cylinder reciprocating compressor based on multi-stage balancing." Mechanism and Machine Theory 46, no. 1 (2011): 1–9. http://dx.doi.org/10.1016/j.mechmachtheory.2010.09.004.

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22

Li, Po, Tielong Shen, Junichi Kako, and Dichen Liu. "Experimental validation of feedback approaches for in-cylinder pressure balancing in SI engines." International Journal of Modelling, Identification and Control 9, no. 1/2 (2010): 30. http://dx.doi.org/10.1504/ijmic.2010.032357.

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23

Li, Po, Kaipei Liu, Tielong Shen, and Junichi Kako. "Torque balancing control in ignition event based scale for multi-cylinder SI engines." International Journal of Advanced Mechatronic Systems 1, no. 2 (2008): 137. http://dx.doi.org/10.1504/ijamechs.2008.022012.

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24

Liu, C. Q., and Ronald L. Huston. "Theoretical and practical aspects for balancing crankshafts of six-cylinder V60 degree engines." International Journal of Vehicle Noise and Vibration 7, no. 1 (2011): 68. http://dx.doi.org/10.1504/ijvnv.2011.039055.

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25

Papegaaij, Selma, Andrea C. de Lima-Pardini, Beth A. Smith, Egbert Otten, Rajal G. Cohen, and Fay B. Horak. "Keeping your balance while balancing a cylinder: interaction between postural and voluntary goals." Experimental Brain Research 223, no. 1 (2012): 79–87. http://dx.doi.org/10.1007/s00221-012-3242-1.

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26

KOZAK, Władysław. "Crank and rocker piston assembly." Combustion Engines 152, no. 1 (2013): 10–27. http://dx.doi.org/10.19206/ce-117009.

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The paper presents a qualitative analysis of a crank-and-rocker piston mechanism. In comparison to a conventional piston assembly the mechanism is composed of more elements necessary to convert the reciprocating motion of the pistons to rotary motion of the crankshaft. A greater complexity of the system is balanced by a greater number of advantages particularly visible in the module, composed of four cylinders coupled by the rocker with a single crank journal. A greater number of elements allow an obtainment of better functional flexibility of the mechanism, particularly in terms of the piston

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27

Osburn, Andrew W., and Matthew A. Franchek. "Reducing Engine Idle Speed Deviations Using the Internal Model Principle." Journal of Dynamic Systems, Measurement, and Control 128, no. 4 (2006): 869–77. http://dx.doi.org/10.1115/1.2361324.

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Presented in this paper is a multivariable linear feedback controller design methodology for idle speed control of spark-ignition engines. The engine is modeled as a multi-input, single-output system. The proposed feedback control system employs both throttle and ignition timing to control engine speed and engine roughness. Throttle is used to attenuate low frequency components of the speed error and reject mean speed errors. Spark advance is used to reduce cylinder-to-cylinder differences in torque production by limiting high frequency speed deviations. The algorithm is executed in the crank-

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28

Li, Po, and Tielong Shen. "Individual Air-Fuel Ratio Balancing Control for Multi-Cylinder SI Engines: Modeling and Validation*." IFAC Proceedings Volumes 44, no. 1 (2011): 2214–19. http://dx.doi.org/10.3182/20110828-6-it-1002.02762.

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29

Chaudhary, Kailash, and Himanshu Chaudhary. "Dynamic balancing and link shape synthesis of slider-crank mechanism for multi-cylinder engines." International Journal of Mechanisms and Robotic Systems 2, no. 3/4 (2015): 254. http://dx.doi.org/10.1504/ijmrs.2015.074118.

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30

Wojciechowski, Hubert, Czesław Żdanowicz, and A. Tony Hope. "Operation of car turbochargers – selected problems." MATEC Web of Conferences 182 (2018): 01005. http://dx.doi.org/10.1051/matecconf/201818201005.

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In order to increase the filling of the cylinder in the engine, a so-called charge is applied, which consists in increasing the amount of air input under increased pressure and at an unchanged temperature. This increases the density of that air and increases the mass in the engine cylinder. In most cars, the charging is carried out by an exhaust gas turbocharger or a mechanical compressor. This paper presents the issues that concern the failure of turbochargers resulting from their balance by weight reduction method. Selected aspects concerning consequences of incorrect balancing and methods o

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31

Wojciechowski, Hubert, and Bogdan Żółtowski. "Exploitation of Car Turbochargers - Selected Problems." MATEC Web of Conferences 302 (2019): 01024. http://dx.doi.org/10.1051/matecconf/201930201024.

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In order to increase the filling of the cylinder in the engine, a so-called charge is applied, which consists in increasing the amount of air input under increased pressure and at an unchanged temperature. This increases the density of that air and increases the mass in the engine cylinder. In most cars, the charging is carried out by an exhaust gas turbocharger or a mechanical compressor. This paper presents the issues that concern the failure of turbochargers resulting from their balance by weight reduction method. Selected aspects concerning consequences of incorrect balancing and methods o

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32

Chen, Pengxiang, Erming He, Hanyu Yao, Junfeng Huang, and Juncheng Shu. "Wind resistance calculation of large rotary mesh antenna and its influence on dynamic balance precision." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 39, no. 3 (2021): 549–57. http://dx.doi.org/10.1051/jnwpu/20213930549.

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Due to the wind resistance which acts on the main reflector of large rotary mesh antenna, the correct balancing result of satellite antenna is difficult to be gotten in the ground dynamic balancing test. In order to solve this problem, the dynamic balance method of large rotary mesh antenna which is under the influence of wind resistance in both low pressure environment and standard atmospheric pressure environment on the ground is studied. Based on the theoretical analysis and the experimental data of two-dimensional flow around circular cylinder, a new method of the large rotary mesh antenna

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33

Bin, ZHAO, GUO Weiwei, GE Lei, HAO Yunxiao, and QUAN Long. "Experiment Study on Operation Characteristics of New Flow Self-balancing Pump Controlled Asymmetric Hydraulic Cylinder." Journal of Mechanical Engineering 56, no. 8 (2020): 257. http://dx.doi.org/10.3901/jme.2020.08.257.

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34

Guan, Nanxiang, Ao Wang, Yongpeng Gu, Zhifeng Xie, and Ming Zhou. "A Novel Coaxial Balance Mechanism for Reciprocating Piston Engines." Applied Sciences 11, no. 12 (2021): 5647. http://dx.doi.org/10.3390/app11125647.

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Vibration is an important issue faced by reciprocating piston engines, and is caused by reciprocating inertia forces of the piston set. To reduce the vibration without changing the main structure and size of the original engine, we proposed a novel coaxial balance mechanism design based on a compact unit body. By introducing a second-order balance mass, this mechanism can significantly increase the efficiency of vibration reduction. The proposed mechanism can effectively balance the first-order and second-order inertia forces with the potential of balancing high-order inertia forces. To accura

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35

Rackmil, Chuck I., and Daniel L. McKay. "Sensor- Less Individual Cylinder Pressure Estimation and Closed Loop Control for Cold Start and Torque Balancing." SAE International Journal of Engines 3, no. 1 (2010): 1042–52. http://dx.doi.org/10.4271/2010-01-1269.

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36

TSUKIYAMA, Yoshinobu, Tomonori KATO, Shun NAKAGAKI, and Youwei XU. "Feed-forward pressure control of balancing cylinder for hybrid electric-pneumatic ultra-precision vertical positioning device." TRANSACTIONS OF THE JAPAN FLUID POWER SYSTEM SOCIETY 50, no. 1 (2019): 18–24. http://dx.doi.org/10.5739/jfps.50.18.

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37

Walter, Andreas, Christian Lingenfelser, Uwe Kiencke, Stephen Jones, and Thomas Winkler. "Cylinder Balancing Based on Reconstructed Engine Torque for Vehicles Fitted with a Dual Mass Flywheel (DMF)." SAE International Journal of Passenger Cars - Mechanical Systems 1, no. 1 (2008): 810–19. http://dx.doi.org/10.4271/2008-01-1019.

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38

Youssef, Abdelrahman M., Graham Calderbank, Ian Sherrington, Edward H. Smith, and Homer Rahnejat. "A Critical Review of Approaches to the Design of Floating-Liner Apparatus for Instantaneous Piston Assembly Friction Measurement." Lubricants 9, no. 1 (2021): 10. http://dx.doi.org/10.3390/lubricants9010010.

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Several approaches have been developed to measure instantaneous friction between the piston assembly and cylinder in internal combustion (IC) engines, such as floating-liner, reciprocating liner, instantaneous mean effective pressure (IMEP), fixed sleeve, and (P-ω) method and tribological bench tests. However, the “floating-liner method” and the “(IMEP) method” are the most common methods used to measure instantaneous friction between the piston assembly and IC engines. This paper critically evaluates different approaches to the design of the “floating-liner”. The paper begins by discussing pi

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39

KATO, Tomonori, Tetsuma HIRAKAWA, Shunta HONDA, and Hiromi MASUDA. "2D24 Investigation of pressure control in balancing cylinder for hybrid electric-pneumatic ultra-precision vertical positioning device(The 12th International Conference on Motion and Vibration Control)." Proceedings of the Symposium on the Motion and Vibration Control 2014.12 (2014): _2D24–1_—_2D24–9_. http://dx.doi.org/10.1299/jsmemovic.2014.12._2d24-1_.

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40

Gao, Qiang, Yuanlong Hou, Kang Li, Zhan Sun, Chao Wang, and Runmin Hou. "Neural Network Based Active Disturbance Rejection Control of a Novel Electrohydraulic Servo System for Simultaneously Balancing and Positioning by Isoactuation Configuration." Shock and Vibration 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/4921095.

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To satisfy the lightweight requirements of large pipe weapons, a novel electrohydraulic servo (EHS) system where the hydraulic cylinder possesses three cavities is developed and investigated in the present study. In the EHS system, the balancing cavity of the EHS is especially designed for active compensation for the unbalancing force of the system, whereas the two driving cavities are employed for positioning and disturbance rejection of the large pipe. Aiming at simultaneously balancing and positioning of the EHS system, a novel neural network based active disturbance rejection control (NNAD

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41

Shendage, D. J., S. B. Kedare, and S. L. Bapat. "Dynamic balancing and experience during the development of a single cylinder Beta-configuration Stirling engine using rhombic drive." Energy 140 (December 2017): 224–39. http://dx.doi.org/10.1016/j.energy.2017.08.072.

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42

Alakshendra, Veer, and Shital S. Chiddarwar. "Simultaneous balancing and trajectory tracking control for an omnidirectional mobile robot with a cylinder using switching between two robust controllers." International Journal of Advanced Robotic Systems 14, no. 6 (2017): 172988141773872. http://dx.doi.org/10.1177/1729881417738728.

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43

Souri, Kambiz, P. R. Vallejo Maldonado, and N. D. Chainov. "Balancing of the moments of the VR-5 type engine taking into account the desaxial and the cylinder camber angle." IOP Conference Series: Materials Science and Engineering 1092, no. 1 (2021): 012059. http://dx.doi.org/10.1088/1757-899x/1092/1/012059.

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44

Посметьев, Viktor Posmetev, Канищев, et al. "Modeling workflows of energy-saving hydraulic drive of technological equipment of timber-hauling machine." Forestry Engineering Journal 5, no. 1 (2015): 223–34. http://dx.doi.org/10.12737/11280.

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Workflow mechanisms of forestry cranes tower rotation are accompanied by large dynamic loads that cause sudden changes in fluid pressure in balancing and braking modes. When the rotary column stops at different positions damping of pressure of the working fluid vibration occurs due to its overflow from one chamber to another through an orifice, wherein the hydraulic energy is transformed into heat one, resulting in overheating and energy loss of fluid. Efficient are energy-saving hydropneumatic drives of column of the manipulator which are able to recover energy during transient conditions and

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45

Ohadi, A. R., and G. Maghsoodi. "Simulation of Engine Vibration on Nonlinear Hydraulic Engine Mounts." Journal of Vibration and Acoustics 129, no. 4 (2007): 417–24. http://dx.doi.org/10.1115/1.2748459.

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In this paper, vibration behavior of engine on the nonlinear hydraulic engine mount, including inertia track and decoupler, is studied. In this regard, after introducing the nonlinear factors of this mount (i.e., inertia and decoupler resistances in turbulent region), the vibration governing equations of engine on one hydraulic engine mount are solved and the effect of nonlinearity is investigated. In order to have a comparison between the rubber and the hydraulic engine mounts, a six-degree-of-freedom four-cylinder V-shaped engine under shaking and balancing mass forces and torques is conside

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46

BUCZEK, Konrad, and Sven LAUER. "Firing order selection for a V20 commercial diesel engine with FEV Virtual Engine." Combustion Engines 169, no. 2 (2017): 64–70. http://dx.doi.org/10.19206/ce-2017-211.

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The continuously increasing mechanical and thermal loads of modern engines require optimization of the designs with incorporation of a wide range of different aspects. Application of advanced computer simulations in the development process for most engine components is well established, leading to the creation of well optimized products. However, the optimization of such design variables ike the firing order, which influences engine operation in several disciplines, is still challenging. Considering the ever increasing peak firing pressure requirements, the layout of the firing order in multi-

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47

Teixeira, Luis Augusto, Joane de Figueiredo Serpa Coutinho, and Daniel Boari Coelho. "Regulation of dynamic postural control to attend manual steadiness constraints." Journal of Neurophysiology 120, no. 2 (2018): 693–702. http://dx.doi.org/10.1152/jn.00941.2017.

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In daily living activities, performance of spatially accurate manual movements in upright stance depends on postural stability. In the present investigation, we aimed to evaluate the effect of the required manual steadiness (task constraint) on the regulation of dynamic postural control. A single group of young participants ( n = 20) were evaluated in the performance of a dual posturo-manual task of balancing on a platform oscillating in sinusoidal translations at 0.4-Hz (low) or 1-Hz (high) frequencies while stabilizing a cylinder on a handheld tray. Manual task constraint was manipulated by

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Jablonowski, Christiane, Michael Herzog, Joyce E. Penner, et al. "Block-Structured Adaptive Grids on the Sphere: Advection Experiments." Monthly Weather Review 134, no. 12 (2006): 3691–713. http://dx.doi.org/10.1175/mwr3223.1.

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Abstract A spherical 2D adaptive mesh refinement (AMR) technique is applied to the so-called Lin–Rood advection algorithm, which is built upon a conservative and oscillation-free finite-volume discretization in flux form. The AMR design is based on two modules: a block-structured data layout and a spherical AMR grid library for parallel computer architectures. The latter defines and manages the adaptive blocks in spherical geometry, provides user interfaces for interpolation routines, and supports the communication and load-balancing aspects for parallel applications. The adaptive grid simulat

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Boháč, Vlastimil, Peter Dieška, Viliam Vretenár, Danica Opatt-Fidríková, Vladimír Štofanik, and Marian Markovič. "New Planar Disc Transient Method for the Measurement of Thermal Properties of Materials." Advanced Materials Research 1126 (October 2015): 16–21. http://dx.doi.org/10.4028/www.scientific.net/amr.1126.16.

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Recently the physical model for the temperature field generated by thermophysical single-probe sensor in a shape of planar disc has been derived. The model accounts cylindrical sample having final radius and infinite length. The prototype of measuring electronics RTA was build that operates with auto balancing bridge. For the measurements the single-transition method is used. While the measurement error of the temperature response measured by thermocouple was 1% at the height of temperature response 1°C, the sensitivity of the measurement with the automatically balanced bridge is better and th

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50

Raspopov, V. Ya, and V. V. Likhosherst. "Angular Rate Sensor Based on a Solid-State Wave Gyroscope with a Metal Resonator for Attitude Control, Stabilization and Navigation Systems." Mekhatronika, Avtomatizatsiya, Upravlenie 22, no. 7 (2021): 374–82. http://dx.doi.org/10.17587/mau.22.374-382.

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The article describes the methods and test results of a solid-wave gyroscope (SVG) — an angular rate sensor (ARS), developed at the Department of Control Devices, Tula State University and manufactured by the serial plant of JSC "Michurinsky Plant" Progress "according to the technology it worked out. The metal resonator SVG-ARS is made of an elinvar alloy and has a cylindrical structure of different thickness, the lower part of which, with a smaller wall thickness, acts as a suspension for the upper cylinder, the resonator itself, which has a conical shape, providing better vibration localizat

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