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Journal articles on the topic 'Cylinder design'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Zhang, Yu Xian, Fang Yao, and Xiao Shuang Men. "Design of Ultra-High Pressure Cylinders Based on Principle of Autofrettage." Applied Mechanics and Materials 142 (November 2011): 24–27. http://dx.doi.org/10.4028/www.scientific.net/amm.142.24.

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Through the analysis of stress in ultra high-pressure cylinders, found that its stress distribution is very uneven. In order to use the principle of autofrettage for improving design of the cylinders, first with Faupel-Furbe formula to calculate estimates of diameter ratio, and thus are inner and outer diameter of the cylinder block. Then the cylinder is determined parameter of autofrettage on the cylinder such as the optimum radius of elastic-plastic junction and the optimum autofrettage pressure. Finally, analysis and calculation of stress in improved design cylinder, the results show that t

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2

Guo, Zhong. "Physical Design of Hydraulic Synchronizer about Lifter." Advanced Materials Research 443-444 (January 2012): 213–16. http://dx.doi.org/10.4028/www.scientific.net/amr.443-444.213.

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The hydraulic lifter is mainly used in automobile testing and repairing. At present , most of hydraulic lifter adopts two cylinders structure, and the synchronization of two cylinders is realized by the connection of steel wire and chain. The problem of this lifter is under most circumstances only one cylinder is working, and another cylinder is moving positively by the pull of steel wire. To solve this problem, through adopting an unique three-gear structure which can guarantee the flow capacity to each cylinder is very even, this paper develops a good property, low cost, simple structure and

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3

Bandpatte, Sangram, Khushal Shede, Rohit Chavan, Nikhil Katkar, Balbheem Kamanna, and Bibin Jose. "Design of Gas Cylinder using Composite Material as per ASME Standards." Global Journal of Enterprise Information System 9, no. 1 (2017): 54. http://dx.doi.org/10.18311/gjeis/2017/15866.

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A gas cylinder or tank is a pressure vessel used to store gases at above atmospheric pressure. Many pressure vessels are made of carbon steels these material results in increase in weight and transportation cost. The Literature survey shows that gas cylinders fails due to corrosion and difficult to transporting. In this Project work, the aim is to design a gas cylinder as per ASME standards using composite material which can be used for our day today life. Solidworks 2015 is used for 3D modelling of the cylinder and Finite Element Analysis is used to test the performance of the cylinder made o

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Veretelnyk, Oleg, Iryna Hrechka, Iryna Voloshina, et al. "CALCULATION AND EXPERIMENTAL JUSTIFICATION OF DESIGN AND TECHNOLOGICAL SO-LUTIONS OF POWER HYDRAULIC CYLINDER ELEMENTS." Bulletin of the National Technical University «KhPI» Series: Engineering and CAD, no. 1 (December 28, 2022): 12–27. http://dx.doi.org/10.20998/2079-0775.2022.1.02.

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The paper describes studies of the stress-strain state of power hydraulic cylinders elements. Geometric dimensions of casing and properties of materials are chosen as varied parameters. The controlled values are the levels of stresses and displacements. The criteria are weight, strength and rigidity. These characteristics determine the technical characteristics of power hydraulic cylinders. Dependences of criterion characteristics on varied parameters are established. On this basis, recommendations for substantiation of design and technological solutions of power hydraulic cylinders elements a

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Sim, Chang-Hoon, Han-Il Kim, Jae-Sang Park, and Keejoo Lee. "Derivation of knockdown factors for grid-stiffened cylinders considering various shell thickness ratios." Aircraft Engineering and Aerospace Technology 91, no. 10 (2019): 1314–26. http://dx.doi.org/10.1108/aeat-11-2018-0272.

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PurposeThe purpose of this paper is to derive knockdown factor functions in terms of a shell thickness ratio (i.e. the ratio of radius to thickness) for conventional orthogrid and hybrid-grid stiffened cylinders for the lightweight design of space launch vehicles. Design/methodology/approachThe shell knockdown factors of grid-stiffened cylinders under axial compressive loads are derived numerically considering various shell thickness ratios. Two grid systems using stiffeners – conventional orthogrid and hybrid-grid systems – are used for the grid-stiffened cylinders. The hybrid-grid stiffened

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Sui, Xiu Hua, De Jun Miao, and Zheng Mao Feng. "Design and Study of Heavy Tipper Multistage Hydraulic Cylinder Based on CAD/CAE." Advanced Materials Research 139-141 (October 2010): 1122–25. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.1122.

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The hydraulic cylinder is an actuator of hydraulic lifting system in the heavy tipper, which also plays an important role in unloading. Aiming at the existing multistage hydraulic cylinder design method's insufficiency, the CAD/CAE technology is introduced into the domains of multistage hydraulic cylinder design. In this paper push-forwarding five-stage hydraulic cylinder is designed, and virtual assembly is established based on three-dimensional digital model using PRO/E sofeware. The multistage hydraulic cylinder's load-supporting characteristics are analyzed by ANSYS. The result of finite e

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Rana, M. D., J. H. Smith, and R. O. Tribolet. "Technical Basis for Flawed Cylinder Test Specification to Assure Adequate Fracture Resistance of ISO High-Strength Steel Cylinder." Journal of Pressure Vessel Technology 119, no. 4 (1997): 475–80. http://dx.doi.org/10.1115/1.2842332.

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High-pressure industrial gases (such as oxygen, nitrogen, argon, hydrogen, etc.) are stored and transported in portable cylinders. ISO TC58 SC3 has developed a draft specification 9809 for design and fabrication of high-pressure cylinders with maximum tensile strength limitation of 1100 N/mm2. In order to extend the ISO 9809 rules for higher than 1100 N/mm2 strength level cylinders, a working group WG14 was formed in 1989 to develop new rules to assure adequate fracture resistance. In 1994, WG14 recommended a simple, but unique flawed cylinder test method for design qualification of the cylind

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8

Tang, San Li. "Design of Variable Cylinders Internal Combustion Engine with Energy Recovery Systems." Applied Mechanics and Materials 536-537 (April 2014): 1374–77. http://dx.doi.org/10.4028/www.scientific.net/amm.536-537.1374.

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Variable cylinders internal combustion engine works with variable number of cylinders. For gasoline engines, the fuel consumption rate rises rapidly with the decline of shaft power when operating at low load. If we reduce the number of cylinders but keep a constant power, each cylinder has more load and then works with low fuel consumption. At the same time, the spare cylinder can be used as an air compressor to recycle the energy lost in deceleration, braking or idle state. Pressed air is the carrier of recycled energy. Experiments show the fuel saving function similar to small-engine cars an

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9

Balashanmugam, P., and G. Balasubramanian. "DESIGN AND FABRICATION OF MULTI ENGINE AIR COMPRESSOR." EPH - International Journal of Science And Engineering 5, no. 4 (2019): 18–27. http://dx.doi.org/10.53555/eijse.v5i4.28.

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A compressor is used to get high pressure air for many industrial and commercial purpose. The triangular air compressor with the common compression chamber is a reciprocating type compressor, which delivers air at high pressure with less vibration and less power consumption than the existing ones. Triangular air compressor with common compression chamber uses three cylinders and the entire cylinder and all the cylinders will have their own connecting red, crank shaft, pistons and chain sprockets and it is driven by a chain drive. During operation the pistons will move in phase from BDC to TDC

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Al Amin, Mohamed Sultan, Halim Isa, Idral Febrian, Taufik, Z. Nuradilah, and A. M. Nor. "Application of Quality Function Deployment to Design a Liquefied Petroleum Gas Trolley." Applied Mechanics and Materials 761 (May 2015): 698–702. http://dx.doi.org/10.4028/www.scientific.net/amm.761.698.

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In Malaysia, the liquefied petroleum gas (LPG) is widely used for domestic purposes. The delivery men who are in charge of delivering the LPG cylinders to the customers are exposed to the ergonomic risk factors associated with excessive force due to the heavy steel cylinders. There are devices used to assist the delivery task, however, the devices are not efficient to be used in non-elevated apartments. Due to this reason, this study aims to design an LPG cylinder trolley. Quality Function Deployment was integrated to design the LPG cylinder trolley, so that it can fulfill the delivery man's r

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11

Jing, Yan, and Feng Zhao. "Boring-Rolling Process Research and Tooling Design of Hydraulic Cylinder." Advanced Materials Research 842 (November 2013): 634–38. http://dx.doi.org/10.4028/www.scientific.net/amr.842.634.

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By comparison, this paper determines inner bore processing technic program of the engineering machinery hydraulic cylinder block and makes some analysis of the rolling processing technic and relevant emerging issues to propose reasonable and feasible process route and process parameters and ensure the quality of the cylinder processing. It also shows the design of boring-rolling compound tools with high efficiency and high precision for given cylinders.

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Faruoli, Maria, Alessandro Coclite, Annarita Viggiano, Paolo Caso, and Vinicio Magi. "A Comprehensive Numerical Analysis of the Scavenging Process in a Uniflow Two-Stroke Diesel Engine for General Aviation." Energies 14, no. 21 (2021): 7361. http://dx.doi.org/10.3390/en14217361.

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The scavenging process of two-stroke engines plays a fundamental role in cylinder flow patterns and in the overall engine performance. In this work, 3D CFD simulations of the scavenging in a uniflow, two-stroke, compression ignition engine for general aviation, named GF56, have been performed by using a 3D finite-volume FANS equations solver with k-ϵ closure. The GF56 engine consists of six cylinders, separated into two quasi-symmetric banks. Both the right and the left banks, together with the corresponding cylinders, are carefully analyzed. Charging and trapping efficiencies are computed as

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13

Zhu, Wen Dong, Xu Dong Pan, Ye Li, and Wei Jie Huo. "Design of Hydraulic Locking Mechanism Based on Material Friction." Key Engineering Materials 667 (October 2015): 481–86. http://dx.doi.org/10.4028/www.scientific.net/kem.667.481.

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Hydraulic cylinders are the actuators used in driving and bearing heavy loads. In normal conditions, it is required to bear load steadily for long time. Due to the inevitable internal leakage of traditional hydraulic cylinder, the strict conditions of the applications are always hard to meet. The materials selecting of cylinder and lock sleeve is very important on a new type of locking mechanism. This paper presents the design of hydraulic locking mechanism based on material friction properties. The strength, elasticity, temperature coefficient, and the factors such as friction coefficient are

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14

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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15

Yuan, Yi Wen, Hao Hong Wu, and Chong Wei Yang. "Method Design and Failure Analysis of the Penetration Test on Seamless Gas Cylinders." Applied Mechanics and Materials 635-637 (September 2014): 682–86. http://dx.doi.org/10.4028/www.scientific.net/amm.635-637.682.

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Requirements of the penetration test on various seamless gas cylinders are analyzed to determine the specific method of the penetration test on different types of gas cylinders. The actual penetration test on the cylinder for on-board storage of fuel for automotive vehicle is taken for example to make a comparison with the design method and validate correctness and reliability of the designed test methods; corresponding failure fracture is analyzed through a scanning electron microscope to validate the affect of the penetration test on safety performance of the seamless gas cylinder and predic

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16

Qi, Haotian, Yang Zhang, Honglei Ji, et al. "Investigation of the Vortex-Induced Transverse Vibration of Cylinders Near a Plane Wall with the Local Domain-Free Discretization Method." Applied Sciences 14, no. 23 (2024): 10990. http://dx.doi.org/10.3390/app142310990.

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The vortex-induced vibration of a circular cylinder and two inline circular cylinders near a plane wall at a Reynolds number of 150 is numerically investigated by using a self-developed immersed boundary method called the local domain-free discretization (DFD) method. The cylinders are elastically mounted with a mass ratio of 8/π and a 0 damping ratio and can only vibrate in the transverse direction. The reduced velocity varies from 2 to 9, with an interval of 1. Three gaps, e=0.1D, 1D, and 2D (D is the cylinder diameter), are investigated for the case of an isolated cylinder and two inline cy

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17

Tang, Zhong, Yaoming Li, Zhan Zhao, and Tao Sun. "Structural and parameter design of transverse multi-cylinders device on rice agronomic characteristics." Spanish Journal of Agricultural Research 13, no. 4 (2015): e0216. http://dx.doi.org/10.5424/sjar/2015134-7402.

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<p><span style="font-family: Times New Roman;">Rice panicles which have reached a mature state must be harvested, requiring differently specialized threshing devices and operating parameters to achieve favorable threshing and separating results. The primary objective of this study is to design a transverse multi-cylinders device that operates under the most effective possible variables to harvest rice in different states of maturity. The attachment forces between the grain and pedicel on the panicle were measured at different moisture contents. Based on rice agronomic characteristi

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18

Krayterman, B. L., and E. B. Magrab. "Design of a High Energy Absorbing Urethane Cylinder for Ship Fendering Systems." Journal of Engineering for Industry 113, no. 3 (1991): 350–57. http://dx.doi.org/10.1115/1.2899707.

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A new design for a urethane cylinder is presented which exhibits very high energy absorption for a given maximum compressive force and for a given amount of urethane. These characteristics are obtained by altering the buckling response of the cylinder by casting in place equally spaced annular steel rings along the cylinder’s length and by introducing a small concave curvature to the cylinder’s walls. This geometry has been analyzed using nonlinear finite element analysis and confirmed with experiment for up to a 50 percent decrease in the cylinder’s original length. The comparison between the

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Wang, An Lin, Zhong Qiu Shi, Cai Xing Yuan, and Yu Qin Hu. "Optimal Design of Concrete Pumping Displacement Control." Advanced Materials Research 422 (December 2011): 238–42. http://dx.doi.org/10.4028/www.scientific.net/amr.422.238.

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To solve the problems of concrete piston striking cylinder and pumping insufficiency caused by the mismatch between varying loads and system’s open-loop control property, the optimal model of concrete pumping displacement control was built.To be precise, the displacement control signal parameters were taken as control variables, and the location parameter of the main cylinder’s displacement sensor was taken as structure variable. under the physical constraint condition of non-collision between piston and cylinder, the piston stroke maximizing was taken as objective function and the optimal mod

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20

V K N S N Moorthy, CH, and V. Srinivas. "Stress Analysis of Domestic Composite LPG Cylinder Using Classical Lamination Theory (CLT)." International Journal of Engineering & Technology 7, no. 4.5 (2018): 68. http://dx.doi.org/10.14419/ijet.v7i4.5.20013.

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Conventional Steel Cylinders used for LPG cylinder for domestic applications are not manufactured in a single joint but are welded. While composite cylinders are manufactured in a single joint, Composite components cannot be welded like the steel cylinder. Composite Cylinders are winded using Filament Winding technique. Compared to Steel Cylinders, Composite Cylinders are costlier. As composite cylinders are safer than steel cylinder, composite Cylinders due to a rubber lining inside, they are 100% leak proof. If mass production of composite cylinders are done then the cost may get reduced. Th

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V K N S N Moorthy, CH, and V. Srinivas. "Discretization Analysis of a Composite GFRP Cylinder." International Journal of Engineering & Technology 7, no. 4.5 (2018): 277. http://dx.doi.org/10.14419/ijet.v7i4.5.20088.

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Conventional Steel Cylinders used for LPG cylinder for domestic applications are not manufactured in a single joint but are welded. While composite cylinders are manufactured in a single joint, Composite components cannot be welded like the steel cylinder. Composite Cylinders are winded using Filament Winding technique. Compared to Steel Cylinders, Composite Cylinders are costlier. As composite cylinders are safer than steel cylinder, composite Cylinders due to a rubber lining inside, they are 100% leak proof. If mass production of composite cylinders are done then the cost may get reduced. Th

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22

Haji Che Daud, Mohd Radzi, and Mohamad Faizal Bin Abdul Nasir. "Design and Develop the Jig and Fixtures for HLV 30 Piercing Machine." Advanced Materials Research 576 (October 2012): 781–84. http://dx.doi.org/10.4028/www.scientific.net/amr.576.781.

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HLV 30 Piercing Machine produced by SMG Pressen, an engineering company from Germany that exercising the task of piercing of LPG cylinder for valving process. This particular machine is used by LPG cylinder production plant, and one of them is Keloil LPG Cylinders Sdn. Bhd. This research project intend to study how this piercing process affects the production quality of the LPG gas and also to develop and design the new jig and fixture for this machine to get the accurate tolerance for the piercing process and decrease the index of rejection of the cylinder. In this research, we try to analyze

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Güler, Zeynep, and Garip Genç. "Design and analysis of composite hydraulic cylinders developed for aerospace applications." International Journal of New Findings in Engineering, Science and Technology 3, no. 1 (2025): 25–31. https://doi.org/10.61150/ijonfest.2025030103.

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Nowadays, aviation and space applications are technologies that are becoming increasingly important. It is essential that these technologies are highly energy efficient and can be applied effectively. The central systems of an aircraft can be listed as navigation and communication, power control systems, flight control systems, and collision avoidance systems. Hydraulic energy is required for the flight control systems, one of the central systems of the aircraft. In an aircraft, hydraulic systems can generally be used in flight control (such as ailerons, horizontal elevators, high-lift gear),

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Junwu, Wu, and Yin Zhongjun. "Numerical Investigation on Vortex-Induced Vibration Energy Extraction Efficiency of Double Circular Cylinders In Tandem Arrangement at Low Reynolds Number." MATEC Web of Conferences 153 (2018): 05001. http://dx.doi.org/10.1051/matecconf/201815305001.

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Vortex shedding from a bluff body results in fluctuating forces acting on the bluff body, which may induce vibration of the bluff body when the bluff body is elastically mounted or deformable. Researchers put forward an idea that we can ex-tract energy from the water flow based on VIV at low flow velocity. Although plenty of researches on parameters of VIV are already presented, however, the improvement of energy extraction efficiency still needs further study. According to the previous research, this essay has simulated flow-induced vibration of tandem double circular cylinders when Reynolds

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Kuo, A. Y., and T. Y. Hsu. "Stress Analysis of Reinforced Nozzle-Cylindrical Shell Intersection Under Internal Pressure or Nozzle Radial Thermal Expansion." Journal of Pressure Vessel Technology 110, no. 4 (1988): 367–73. http://dx.doi.org/10.1115/1.3265618.

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Two normally intersecting cylinders under different internal pressures in each of the cylinders is solved analytically. The inclusion of nozzle fillet, insert plate and inner nozzle broadens the applicability of this analytical method in the design and analysis of pressurized cylinder-to-cylinder intersection. The current numerical solution scheme has been incorporated in the computer code NUTSHELL. Comparisons of NUTSHELL solutions and experimental or finite element results have also been presented.

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Yuxian, Zhang, Yang mengke, Wang Hong, and Liu Binbin. "Design and Finite Element Analysis of Water Jet Energy Accumulator Barrel." MATEC Web of Conferences 153 (2018): 06011. http://dx.doi.org/10.1051/matecconf/201815306011.

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In order to solve the yielding failure problem of water jet energy accumulator barrel due to high pressure, the prestressed composite structure design and the theory of equal strength are used to determine the parameters of accumulator barrel, such as the internal cylinder of the composite cylinder, the radii of the inner and outer cylinders, the radius of sub-layer and the optimal interference. Then the ANSYS software is used to analyze the cylinder model with the finite element method, the equivalent stress of the effective node along the wall thickness of the simulation model is obtained by

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Firnandius, Jefvin, Agus Halim, and Agustinus Purna Irawan. "PERANCANGAN SISTEM HIDROLIK PADA PINTU WINGBOX BERKAPASITAS 2 TON." POROS 18, no. 2 (2023): 96–103. http://dx.doi.org/10.24912/poros.v18i2.18755.

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Currently, many innovations are being made in developing a technology to facilitate human work. One of these technologies is the hydraulic cylinder. Hydraulic cylinders were created to facilitate human work, especially in the industrial sector. Hydraulic cylinder, using a liquid or so-called liquid fluid, to be able to make the hydraulic cylinder work. In the hydraulic cylinder components, there are cylinder axles, pistons and cover seals. In general, hydraulic cylinders can be used for wingboxes. A wingbox is a box on a truck, which can be opened from the side with the help of a hydraulic cyl

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Yang, Junwei, Xin Sun, Hua Yang, and Xiangjun Wang. "Experimental Study on Aerodynamic Characteristics of Downwind Bionic Tower Wind Turbine." Biomimetics 9, no. 6 (2024): 336. http://dx.doi.org/10.3390/biomimetics9060336.

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The vibrissae of harbor seals exhibit a distinct three-dimensional structure compared to circular cylinders, resulting in a wave-shaped configuration that effectively reduces drag and suppresses vortex shedding in the wake. However, this unique cylinder design has not yet been applied to wind power technologies. Therefore, this study applies this concept to the design of downwind wind turbines and employs wind tunnel testing to compare the wake flow characteristics of a single-cylinder model while also investigating the output power and wake performance of the model wind turbine. Herein, we de

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He, Yuhai, Peilin Zhou, Liangtao Xie, and Jiyun Zhang. "New concept and design of electronically controlled cylinder lubrication system for large two-stroke marine diesel engines." International Journal of Engine Research 20, no. 8-9 (2019): 967–85. http://dx.doi.org/10.1177/1468087418822634.

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Lubrication of cylinders between liners and rings is one of the crucial factors that affects the efficient operation of diesel engines. Marine diesel engines usually use inferior heavy fuel oil with high sulphur content, and the acidic substances formed by fuel combustion need alkaline cylinder oil to neutralize. For the operational cost to a marine engine, besides fuel oil, cylinder oil also takes a big share. This article first analyses the advantages and disadvantages of existing cylinder lubrication systems with regard to oil injection control. Second, the control parameters and variables

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Ojariafe, G. A. Bashir M. E. "Design and Fabrication of Compressed Air Storage using Spent Refrigerant Cylinder." Advances in Engineering Design Technology 5, no. 2 (2023): 55–64. https://doi.org/10.5281/zenodo.8150676.

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<em>The design and fabrication of compressed air storage system was carried out using recycled refrigerator compressor and refrigerant cylinder. Conventional air compressors used in vulcanizing employ environmentally unfriendly fossil fuel and or electricity which can be epileptic in supply in Nigeria. Therefore, this present research aimed to use alternative materials such as recycled refrigerant compressors and cylinders to produce a cheap DC-operated air compressing and storage unit. In doing so, two concepts were significant considered. The first concept was the use of a refrigerant compre

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Satywan, Khatke, Fulzele Satyam, Kadam Shubham, and Kamble Avinash. "The Selection of Hydraulic Cylinder Using Multi-Attribute DecisionMaking Methods." Journal of Physical Chemistry & Biophysics 11, no. 7 (2021): 01–08. https://doi.org/10.5281/zenodo.14847992.

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A hydraulic cylinder has an important role in the manufacturing industry for producing unidirectional force through the unidirectional direction. Generally, hydraulic cylinders are used where high-pressure applications are required. It is also called a linear hydraulic motor or mechanical actuator. It is manufactured with closer precisions; thus, it involves higher costs and also, it is desired that hydraulic cylinder work as mentioned design. The main purpose of a hydraulic cylinder is to apply force unidirectional with high pressure. The selection of appropriate Hydraulic Cylinders is a crit

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Michelena, Nestor F., and Alice M. Agogino. "Multiobjective Hydraulic Cylinder Design." Journal of Mechanisms, Transmissions, and Automation in Design 110, no. 1 (1988): 81–87. http://dx.doi.org/10.1115/1.3258910.

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Monotonicity analysis is used to solve a three-objective optimization problem in which a hydraulic cylinder is to be designed. With the additional application of the Karush-Kuhn-Tucker optimality conditions a reduced symbolic design chart is obtained which is then utilized to obtain parametric numerical results. Two- and three-dimensional parametric Pareto-optimal plots are obtained for the three conflicting objectives: (1) cross-sectional area, (2) circumferential stress ratio and (3) pressure ratio. The analysis and design procedure strengthens and extends the results suggested by previous w

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Chen, Min, and Xiao Xu Liu. "Study on the Reverse Designing for Engine's Cylinder Head." Advanced Materials Research 787 (September 2013): 467–70. http://dx.doi.org/10.4028/www.scientific.net/amr.787.467.

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The model of a gasoline engines cylinder head with 4 cylinders was reconstructed by CAD through slicing method and using Imageware and UG. The reverse design methods used for complex interior structure surface were explored based on slicing method through remodeling the cylinder head. The technologies of reverse design such as the measure method of points cloud, points cloud data treatment, and curve modeling were studied. The methods can be referenced for reverse designing the similar parts.

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Al-Nimr, M. A., and Wisam A. M. Al-Shohani. "Design of a Wind Water Heater." Applied Mechanics and Materials 110-116 (October 2011): 4970–76. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.4970.

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A new design of a wind water heater (WWH) is presented. In this new system, the wind energy is directly converted to thermal energy used to heat the water. The wind energy is converted to frictional thermal energy by dissipation within a thin layer of oil. The oil is filled in an annular gap confined between two horizontal concentric cylinders with different diameters; the outer insulating cylinder is rotating while the inner cylinder is fixed. The heat generated is transferred into the inner cylinder then to the heat exchanger. The heat transfer fluid is carrying the heat from the heat exchan

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Sabariesan., K., Mohammed. H. Adil, R. Madhavan., A. Nishanth., and H. Shafiq. "Design and Analysis of Four Stroke Engine Fins and compared with Modified Design." International Journal of Multidisciplinary Research Transactions 5, no. 6 (2023): 56–68. https://doi.org/10.5281/zenodo.7882967.

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The Engine cylinder is the heart of the automobile components, which is subjected to high temperature variations and thermal stresses. In order to cool the cylinder, fins are provided on the surface of the cylinder to increase the rate of Heat transfer. By executing the thermal analysis of the engine fins, it is helpful to know the heat dissipation rate and temperature distribution inside the cylinder. The main aim of the present project is to analyze the thermal properties like Directional Heat Flux, Total Heat Flux and Temperature Distribution of a modified conical design along with the exis

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Ainul Ghurri, Muhamad Alim, Made Nara Pradipta Adi, et al. "CFD Simulation of Aerodynamics Truck Using Cylinder as Drag Reduction Device." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 105, no. 2 (2023): 166–81. http://dx.doi.org/10.37934/arfmts.105.2.166181.

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Reducing drag is an excellent approach to improving truck efficiency and saving fuel. The addition of the cylinder could be an alternative for drag reduction devices like the windshield that has a similar function to enhance the truck’s aerodynamic performance. A numerical analysis was performed using Ansys Fluent CFD software to estimate the influence of the cylinder on the truck's drag force. The study was conducted by comparing truck without additional cylinder above the truck’s head, truck with windshield, and truck with cylinder variations, which round, type-I, and type-D cylinders. In th

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Batmanov, S. V. "Assessment of Gas Cylinder Destruction from the Action of the Flame of a Horizontal Torch when Calculating Fire Risk." Occupational Safety in Industry, no. 1 (January 2022): 71–76. http://dx.doi.org/10.24000/0409-2961-2022-1-71-76.

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The paper considers potential hazard of block placement of the cylinders with hydrogen and acetylene at the open technological site. The piping of the cylinders of the unit and shut-off and reducing valves are not considered. Analysis of the possibility of cylinders destruction in the block from the action of a horizontal torch during a jet outflow of gas from an emergency cylinder is presented. At the design stage, the prerequisites are considered for excluding from the fire risk calculation the scenario associated with the cascaded destruction of neighboring gas cylinders from the action of

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38

Sultonov, Azamat, Mirsolikh Agzamov, Mashkhur Rakhmatov, Mirkhosil Agzamov, and Khasan Nosirov. "Development of the saw cylinder for gins and linters with use of new elements of the design." E3S Web of Conferences 304 (2021): 03029. http://dx.doi.org/10.1051/e3sconf/202130403029.

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Article issues of decrease in amplitude of dynamic fluctuations of saw cylinders of gins and linter for the purpose of reduction of a deviation of saws from the plane of rotation and contact with saws of grates are consecrated. Mathematical models for calculation of flexural fluctuations of a shaft of a saw cylinder, taking into account intensity of placement of the mass moments of inertia, a technique of the solution of the equation of flexural fluctuations of a saw cylinder with variable intensity of weight and flexural rigidity of sections are given. Data on a new design of saw cylinders wi

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39

Al-Had, Istabraq Hassan Abed, Farag Mahel Mohammed, and Jamal A.-K. Mohammed. "Modeling and simulation of electro-hydraulic telescopic elevator system controlled by programmable logic controller." Indonesian Journal of Electrical Engineering and Computer Science 27, no. 1 (2022): 71–78. https://doi.org/10.11591/ijeecs.v27.i1.pp71-78.

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Traditional hydraulic cylinders are widely used in industry as load lifting tools. There is difficulty in employing these cylinders in narrow installation space like building elevators as well as they require a long working stroke, so solving this problem requires using the telescopic hydraulic cylinder instead. This cylinder is a unique hydraulic cylinder design that uses a sequence of decreasing diameters to create a long operating stroke in a compact-retracted form. In this work, the Auto Station software is used to build a telescopic hydraulic cylinder model that includes hydraulic element

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40

Garg, Manish, Dharmpal Deepak, and V. K. Gupta. "FE modeling of creep in linear and non-linear FGM cylinder under internal pressure." Multidiscipline Modeling in Materials and Structures 10, no. 1 (2014): 94–105. http://dx.doi.org/10.1108/mmms-10-2012-0016.

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Purpose – The purpose of this paper is to investigate creep in an internally pressurized thick-walled, closed ends cylinder made of functionally graded composite, having linear and non-linear distribution of reinforcement, using finite element (FE) analysis. Design/methodology/approach – FE-based Abaqus software is used to investigate creep behavior of a functionally graded cylinder. The cylinder is made of composite containing linear and non-linearly varying distributions of reinforcement along the radius. The creep behavior has been described by Norton's power law. The creep stresses and str

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Vysokovych, Yevhen, Andrii Koval, Yuri Pasenko, Vitaliy Ragulin, and Oleksandr Topol. "OPTIMIZATION OF THE LIFTING MECHANISM FOR THE WORKING EQUIPMENT OF AN EARTHMOVING MACHINE." AUTOMOBILE ROADS AND ROAD CONSTRUCTION, no. 115.1 (2024): 151–61. http://dx.doi.org/10.33744/0365-8171-2024-115.1-151-161.

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Summary. This paper addresses the optimization of the structural parameters of the lifting mechanism of the frame for the working equipment in a universal rotary earthmoving trenching and excavation machine operating continuously. The goal is to reduce the efforts in its hydraulic cylinders while maintaining the prescribed kinematics of the mechanism. Structurally, the lifting mechanisms of the working equipment are designed with the hydraulic cylinder positioned above the boom (frame), and the fluid is supplied to the rod chamber of the hydraulic cylinder for lifting. The formulated optimizat

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Yu, Jin, Ming Zhen Fan, Guo Qin Huang, and Min Yu. "Simulation and Analysis on Main Synchronized Hydraulic Cylinder of Huge Hydraulic Press." Applied Mechanics and Materials 233 (November 2012): 150–53. http://dx.doi.org/10.4028/www.scientific.net/amm.233.150.

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Nowadays, huge hydraulic press plays an important role in the heavy industry. The synchronized hydraulic cylinder is the key component, which will affect the performance of the press. Thus, a thorough investigation to the main cylinder is required. In this paper, a mathematical model was built for the position closed-loop control of active synchronous hydraulic cylinders, and transfer function of the corresponding single cylinder was deduced. Simulation and calibration of the working cylinder servo position control system was accomplished with MATLAB, so as to improve the response speed and st

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Pil'gunov, V. N., and K. D. Yefremova. "Volumetric hydraulic drive with series connection of hydraulic actuators." Izvestia MGTU MAMI 1, no. 4 (2020): 61–69. http://dx.doi.org/10.31992/2074-0530-2020-46-4-61-69.

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The aim of the proposed work is theoretical and experimental studies of the performance of a single-channel hydraulic drive with a series connection of executive hydraulic cylinders and the de-velopment of recommendations for predicting their characteristics. The authors of the paper carried out a set of experimental studies and obtained the numerical kinematic, speed and power characteristics of a single-channel hydraulic drive with five hydraulic cylinders connected in series. It is shown that the nature of the kinematic connection is determined by the differentiation of the hydraulic cylind

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Roy, A. K., and S. W. Tsai. "Design of Thick Composite Cylinders." Journal of Pressure Vessel Technology 110, no. 3 (1988): 255–62. http://dx.doi.org/10.1115/1.3265597.

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A simple and efficient design method for thick composite cylinders is presented. Micromechanics and macromechanics are integrated by simple relations and the integrated micro and macromechanics approach has been adopted to enable the designers to instantly study the sensitivity of the micromechanical variables on the final design. The stress analysis is based on 3-dimensional elasticity by considering the cylinder in the state of generalized plane strain. The analysis for both open-ended (pipes) and closed-ended (pressure vessels) cylinders subjected to internal and external pressures and axia

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Khomutov, A. S., and V. V. Muraviev. "Flaw Detection in the Deep-Rod Pump Cylinder after Ion Nitriding." Intellekt. Sist. Proizv. 21, no. 2 (2023): 16–26. http://dx.doi.org/10.22213/2410-9304-2023-2-16-26.

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The article is devoted to evaluation of ion nitriding influence on possible deformation of deep-rod pump cylinders made of 38X2MUA steel tube blank. This article describes the analysis of the main flaws in the samples of deep-rod pump cylinders, obtained by cylinder surface hardening by means of plasma nitriding. Several samples of deep-rod pump cylinders of were selected, subjected to machining in accordance with technological process, chemical and heat treatment of the internal working diameter of cylinders by ion nitriding. Manufactured samples were subjected to instrumental control on Aero

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Arunkumar, G., J. Tison Antonio, and Velayutham Pon. "Design and Development of Autofeed Pneumatic Punching and Riveting Machine." Journal of Physics: Conference Series 2054, no. 1 (2021): 012025. http://dx.doi.org/10.1088/1742-6596/2054/1/012025.

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Abstract Metal as sheets are more significant. However, metal as sheets can’t be straightforwardly utilized, activities like punching, blanking, twisting, riveting, and so forth are should be done on the metal sheets. For these activities, most enormous scope fabricating businesses utilize powerfully worked machines which are not savvy, generally little and medium scale enterprises utilize hand-worked machines for completing sheet metal activity which are moderate. 6 bar pressure is enough for these machines to work. The compressed air is going through the cylinders to the chamber powers the c

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Zhang, Junli, Baochun Lu, Honghu Zhang, Jiachen Yao, and Zhengyang Li. "Design improvement of interference-type locking cylinder." Journal of Physics: Conference Series 2853, no. 1 (2024): 012046. http://dx.doi.org/10.1088/1742-6596/2853/1/012046.

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Abstract The wear of the cylinder and locking-sleeve, generate during operation, is one of the main problems of interference-locking cylinder. In order to solve this problem, the operating principle and traditional design method of interference-locking cylinder are introduced briefly, the causes of wear are found based on its force state. And then an improved design method of interference-locking cylinder is proposed, the magnitude of interference is divided into two parts. A simplified finite element model of interference-fit is established and simulations are conducted to verify the effectiv

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48

Al-Had, Istabraq Hassan Abed, Farag Mahel Mohammed, and Jamal A. K. Mohammed. "Modeling and simulation of electro-hydraulic telescopic elevator system controlled by programmable logic controller." Indonesian Journal of Electrical Engineering and Computer Science 27, no. 1 (2022): 71. http://dx.doi.org/10.11591/ijeecs.v27.i1.pp71-78.

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Traditional hydraulic <span>cylinders are widely used in industry as load lifting tools. There is difficulty in employing these cylinders in narrow installation space like building elevators as well as they require a long working stroke, so solving this problem requires using the telescopic hydraulic cylinder instead. This cylinder is a unique hydraulic cylinder design that uses a sequence of decreasing diameters to create a long operating stroke in a compact-retracted form. In this work, the Auto Station software is used to build a telescopic hydraulic cylinder model that includes hydra

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Han, Yi Lun, Li Jun Huang, and Xue Lei Wen. "Optimization Design of Hydraulic Cylinder Based on ANSYS." Advanced Materials Research 562-564 (August 2012): 709–12. http://dx.doi.org/10.4028/www.scientific.net/amr.562-564.709.

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The basic structure of the piston hydraulic cylinder was introduced. A three-dimensional model was carried out for the hydraulic cylinder by using Pro/E soft，the finite element analysis to the largest hydraulic condition while hydraulic cylinder working by using ANSYS soft，and the distribution of the stress and strain of hydraulic cylinder was derived from it. It optimized the structure of hydraulic cylinder effectively and the cost was saved.

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Chavdarov, A. V., and A. A. Tolkachev. "New technological solutions for restoring the inner surface of hydraulic cylinders." Agrarian science 354, no. 11-12 (2022): 166–70. http://dx.doi.org/10.32634/0869-8155-2021-354-11-12-166-170.

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Relevance. Agricultural machines widely use hydraulic cylinders for various auxiliary and working movements. Operation in harsh field conditions leads to the failure of the hydraulic cylinder mirror and, as a result, to the loss of force on the cylinder rod. The development of technological solutions for the restoration of the inner surface as a more appropriate solution in repair production is relevant.Methods. Studies of the heat flow using the “Fluke Ti32” thermal imager and ofthe influence of gas-dynamic spraying (GDS) modes on the adhesive and cohesive strength when using a new design of

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