Advances in Mechanical Engineering最新文献_第4页

Enhancement of convective flow in ternary hybrid nanofluid induced by metachronal propulsion 异向推进对三元混合纳米流体对流增强的影响

4区工程技术

Advances in Mechanical Engineering Pub Date : 2023-10-01 DOI: 10.1177/16878132231205351

Zaheer Abbas, Muhammad Shakib Arslan, Muhammad Yousuf Rafiq

引用次数: 0

Significance of Koo-Kleinstreuer-Li model for thermal enhancement in nanofluid under magnetic field and thermal radiation factors using LSM ku - kleinstreuer - li模型对纳米流体在磁场和热辐射因素下热增强的意义

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Advances in Mechanical Engineering Pub Date : 2023-10-01 DOI: 10.1177/16878132231206906

None Adnan, Aneesa Nadeem, Haitham A Mahmoud, Aatif Ali, Sayed M Eldin

{"title":"Significance of Koo-Kleinstreuer-Li model for thermal enhancement in nanofluid under magnetic field and thermal radiation factors using LSM","authors":"None Adnan, Aneesa Nadeem, Haitham A Mahmoud, Aatif Ali, Sayed M Eldin","doi":"10.1177/16878132231206906","DOIUrl":"https://doi.org/10.1177/16878132231206906","url":null,"abstract":"Investigation of thermal transport in nanofluid flow squeezed inside a channel formed by two sheets with zero slope is common in industrial and engineering applications. The heat transmission could be affected by various physical constraints which reduce the machine efficiency for desired products. Therefore, this attempt clearly focus on the development of new nanofluid thermal transport model using the significance effects of Koo-Kleinstreuer-Li correlation which used for the estimation of nanofluid thermal conductivity, impacts of magnetic field, internal heating species, and thermal radiations. Then, the LSM (Least Square Method) is magnificently implemented and obtained the physical results for multiple ranges of parameters. It is noticed that when the squeezed parameter varied in the ranges of [Formula: see text] to [Formula: see text] and [Formula: see text] to [Formula: see text], the fluid loss their velocity and more reduction is occurred about [Formula: see text]. However, outward movement of the plate lead to quick declines in the velocity. Further, when the Hartmann number increased for [Formula: see text]–[Formula: see text] then the fluid moves slowly and stronger magnetic field resists its motion. Moreover, the Eckert and Radiation numbers boosted the fluid temperature by keeping the feasible nanoparticles concentration in the range of [Formula: see text]–[Formula: see text].","PeriodicalId":49110,"journal":{"name":"Advances in Mechanical Engineering","volume":"174 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136010292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High-accuracy torque estimation and safety control for induction motor used in electric vehicles 电动汽车用感应电动机的高精度转矩估计与安全控制

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Advances in Mechanical Engineering Pub Date : 2023-10-01 DOI: 10.1177/16878132231199345

Zhiyuan Peng, Honglu Si, Haibing Wang, Chaodong Zhou, Guoli Chen, Tao Deng, Yuchun Shu, Yi Wang, Zengyue Liu, LianZuo Yin

{"title":"High-accuracy torque estimation and safety control for induction motor used in electric vehicles","authors":"Zhiyuan Peng, Honglu Si, Haibing Wang, Chaodong Zhou, Guoli Chen, Tao Deng, Yuchun Shu, Yi Wang, Zengyue Liu, LianZuo Yin","doi":"10.1177/16878132231199345","DOIUrl":"https://doi.org/10.1177/16878132231199345","url":null,"abstract":"As a power output unit, Induction Motor (IM) is widely used in Electric Vehicles (EV) due to its unique advantages of higher power density and better torque ability. With more complicated motor controller system, there are some hardware and software failures which bring some risks including EV unexpected acceleration or deceleration, therefore it is necessary to build high-accuracy torque estimation and safety control strategy. Firstly, hazard and safety concept are analyzed to make sure function safety goals and levels for IM system. Secondly, a novel method of high-accuracy torque estimation is proposed based on a rotor dynamic and composite flux linkage observer. Then, fault diagnosis and handling mechanisms of motor torque are designed to avoid hazards when it is a significant difference between motor estimation torque and vehicle requested torque. Finally, power test and Hardware in Loop (HIL) bench are configured to verify torque estimation accuracy and fault protection mechanisms rationality by comparing test results and injecting related faults. Experiment result shows that motor torque accuracy is within ±5 Nm and fault protection mechanisms can bring motor to safety state promptly.","PeriodicalId":49110,"journal":{"name":"Advances in Mechanical Engineering","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136161003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of insert plate on the inlet pressure distortion of the aero-engine 插入板对航空发动机进气压力畸变的影响

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Advances in Mechanical Engineering Pub Date : 2023-10-01 DOI: 10.1177/16878132231200562

Chenxin He, Zuohong Liu, Zhongyi Wang, Lei Gao, Guanglei Xu

{"title":"Effect of insert plate on the inlet pressure distortion of the aero-engine","authors":"Chenxin He, Zuohong Liu, Zhongyi Wang, Lei Gao, Guanglei Xu","doi":"10.1177/16878132231200562","DOIUrl":"https://doi.org/10.1177/16878132231200562","url":null,"abstract":"The shape of the inlet duct and other factors cause distortion of the total pressure, leading to a decrease in engine stability. This article inserts flat plate into the inlet port of a certain type of aviation turbojet engine to conduct an inlet distortion test on the entire engine. The characteristics of entire flow field after inserting the board are obtained through experiments and numerical simulations, and it is concluded that the depth of the board is positively correlated with the reflux area and total pressure loss. The area of the insertion plate increase leads to an increase in the distortion index, and a decrease in engine flow rate. Meanwhile, angle plate device is designed to simulate inlet distortion caused by elevation takeoff. Summarize the relationship between the depth of the insertion plate and the intake distortion, a comprehensive distortion index simulation formula is fitted. The distortion simulation device designed by combining prediction formulas can achieve continuous adjustment of comprehensive distortion index 2%–13%, meeting the distortion index requirements for aircraft engine anti distortion testing. This device can replace complex intake systems to save test costs and cycles, and quickly and effectively carry out aircraft engine related distortion testing.","PeriodicalId":49110,"journal":{"name":"Advances in Mechanical Engineering","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134934327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of slide burnishing on the corrosion resistance and surface roughness on high strength steels 滑动抛光对高强钢耐蚀性和表面粗糙度的影响

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Advances in Mechanical Engineering Pub Date : 2023-10-01 DOI: 10.1177/16878132231201794

Alfredo Marquez-Herrera, Alberto Saldaña-Robles, Juan Francisco Reveles-Arredondo, Jorge Luis Dorantes-Flores, Ezequiel Alberto Gallardo-Hernandez, Gustavo Capilla-González

{"title":"Effect of slide burnishing on the corrosion resistance and surface roughness on high strength steels","authors":"Alfredo Marquez-Herrera, Alberto Saldaña-Robles, Juan Francisco Reveles-Arredondo, Jorge Luis Dorantes-Flores, Ezequiel Alberto Gallardo-Hernandez, Gustavo Capilla-González","doi":"10.1177/16878132231201794","DOIUrl":"https://doi.org/10.1177/16878132231201794","url":null,"abstract":"This work presents an experimental study aimed to determining the influence of the slide burnishing force on the surface roughness indicators ( R a , R z , R t , R v , and R p ) and corrosion resistance on the advanced high strength steels TRIP-440Y and DP-330Y and the high strength steel HSLA-SP780. For each steel, the tests were carried out at different burnishing forces between 30 and 450 N, using a zig-zag burnishing toolpath with a 50% of the footprint width of the spherical tip as length between burnishing traces. The results showed that the optimal burnishing force to minimize surface roughness for HSLA-SP780, DP-330Y, and TRIP-440Y steels were 60, 150, and 180 N. These burnishing forces enhanced the roughness indicators between 40.3% and 73.4% for DP-330Y, from 57.5% to 83.2% for TRIP-440Y, and around 2.8% and 41.6% for HSLA-SP780. Corrosion tests exhibited that sliding burnishing does not affect the corrosion resistance of the steels, which are coated with a zinc layer. This result was confirmed by an X-ray diffraction analysis of the burnished samples. The corrosion current for all samples burnished and not burnished with zinc were close to 25 µA. Therefore, slide burnishing technique is an excellent option to improve the surface roughness without affecting the corrosion resistance of these steels, as well as other mechanical and physical properties that have been investigated according to the literature.","PeriodicalId":49110,"journal":{"name":"Advances in Mechanical Engineering","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134934918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Control of a worm-wheel gear driven rescue robot with friction compensation and its experimental verification 基于摩擦补偿的蜗轮传动救援机器人控制及实验验证

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Advances in Mechanical Engineering Pub Date : 2023-10-01 DOI: 10.1177/16878132231191031

Muhammad Shoaib, Munyu Kim, Dongil Park, Joono Cheong

引用次数: 0

Rotating blade vibration parameter identification based on genetic algorithm 基于遗传算法的旋转叶片振动参数辨识

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Advances in Mechanical Engineering Pub Date : 2023-10-01 DOI: 10.1177/16878132231207153

Shen Xiangxiang, Chen Guo, Liu Fuhai

{"title":"Rotating blade vibration parameter identification based on genetic algorithm","authors":"Shen Xiangxiang, Chen Guo, Liu Fuhai","doi":"10.1177/16878132231207153","DOIUrl":"https://doi.org/10.1177/16878132231207153","url":null,"abstract":"In this paper, aiming at the identification of blade vibration parameters such as constant speed synchronization, constant speed asynchronous, and variable speed synchronization, the simulation platform Simulink is used to model the blade vibration system, and the blade tip timing vibration measurement system model is constructed. A method of blade vibration parameter identification based on genetic algorithm is proposed, and numerical simulation and experimental verification are carried out. The results show that the parameter identification of blade vibration by genetic algorithm has high accuracy and strong anti-noise interference ability. The influence of key parameters on the identification of blade vibration parameters is studied. For the constant speed synchronous and constant speed asynchronous vibration of the blade, the angle between the sensors should not be an integral multiple of 2π as far as possible, and the larger DR (Distribution Range) value should be guaranteed. The higher the frequency doubling of blade vibration, the more sensors are needed. For the variable speed synchronous vibration of the blade, the frequency doubling is greater than the influence of the sensor layout on the parameter identification results, but the number of sensors is too small, which will seriously affect the identification accuracy of the frequency doubling. Aiming at the blade vibration test, a blade vibration tester is designed. The blade variable speed synchronous vibration test is carried out by using the strain gauge method and the tip timing method. The measurement results of the strain gauge method are basically consistent with the measurement results based on the genetic algorithm and the tip timing.","PeriodicalId":49110,"journal":{"name":"Advances in Mechanical Engineering","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136161034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modeling and simulation of the equivalent vertical stiffness of leaf spring suspensions 钢板弹簧悬架等效垂直刚度的建模与仿真

4区工程技术

Advances in Mechanical Engineering Pub Date : 2023-10-01 DOI: 10.1177/16878132231200307

Junhong Zhang, Feiqi Long, Jiewei Lin, Xiaolong Zhu, Huwei Dai

{"title":"Modeling and simulation of the equivalent vertical stiffness of leaf spring suspensions","authors":"Junhong Zhang, Feiqi Long, Jiewei Lin, Xiaolong Zhu, Huwei Dai","doi":"10.1177/16878132231200307","DOIUrl":"https://doi.org/10.1177/16878132231200307","url":null,"abstract":"In vehicle multi-body dynamics (MBD) modeling, the stiffness parameterization of leaf spring (LS) is an unavoidable challenge regardless of the selection of modeling methods. On the contrary, the parameterization of Coil Spring (CS) stiffness is easy to achieve by adjusting the scale factor. Therefore, a novel LS stiffness parameterization method by treating the suspension stiffness as an intermediate variable through a CS stiffness is proposed based on the virtual displacement theory. The proposed method is then implemented in the vehicle-level modeling of a commercial Van with front transverse leaf spring suspensions and rear longitudinal parabolic leaf spring suspensions. The MBD model is validated by natural frequency tests and suspension stiffness simulations. Furthermore, the vertical acceleration of the car body is also verified. Results show that the root mean square (RMS) values of body vertical acceleration in the equivalent CS model are just slightly lower than that in the LS suspensions. The applicability and capability of the proposed method are proven to address the limitation of LS stiffness parameterization in MBD modeling. It lays the groundwork for efficiently simulating the LS suspension in vehicle ride and handling design and optimization.","PeriodicalId":49110,"journal":{"name":"Advances in Mechanical Engineering","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136161624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Simulation optimal and design of 3-kW DC-DC converter for pure electric vehicles 纯电动汽车用3kw DC-DC变换器仿真优化设计

4区工程技术

Advances in Mechanical Engineering Pub Date : 2023-09-01 DOI: 10.1177/16878132231199888

Gui-Bin Sun, Shen Zhou, Yi-Jui Chiu, Zhi-Rong Lv

{"title":"Simulation optimal and design of 3-kW DC-DC converter for pure electric vehicles","authors":"Gui-Bin Sun, Shen Zhou, Yi-Jui Chiu, Zhi-Rong Lv","doi":"10.1177/16878132231199888","DOIUrl":"https://doi.org/10.1177/16878132231199888","url":null,"abstract":"There are significant differences between pure electric vehicles and traditional fuel vehicles. High-power converters are required to meet the increased energy consumption requirements of loads within pure electric vehicles. A high-power integrated DC-DC converter is designed to meet the requirements of pure electric vehicles. First, the characteristics of LLC resonant converters are analyzed, and a fuzzy adaptive PID frequency conversion phase-shift soft switching control strategy is proposed. Second, the fuzzy controller is designed based on the MATLAB toolbox based on the characteristics of electric vehicle converters. Then, in order to further improve the efficiency of the converter, a planar transformer is proposed and optimized. It is found that with the increase in the switching frequency, the loss is smaller, which is more conducive to improving the efficiency. Simulation results show that zero-voltage switching and zero-current switching can be realized by using the proposed control strategy, and experimental results show that the proposed strategy is significantly more efficient under non-heavy-load conditions. The minimum and maximum efficiency values are 92% and 97.38%, respectively. The high-power converter ensures the normal operation of the load of pure electric vehicles. This work provides a method for developing high-power DC-DC converters and improving efficiency.","PeriodicalId":49110,"journal":{"name":"Advances in Mechanical Engineering","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135427528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical simulation of the effects of non-Newtonian property of the solvent on particle suspension rheology 溶剂非牛顿性质对颗粒悬浮流变性影响的数值模拟

4区工程技术

Advances in Mechanical Engineering Pub Date : 2023-09-01 DOI: 10.1177/16878132231198338

Naoki Masuyama, Tomohiro Fukui

{"title":"Numerical simulation of the effects of non-Newtonian property of the solvent on particle suspension rheology","authors":"Naoki Masuyama, Tomohiro Fukui","doi":"10.1177/16878132231198338","DOIUrl":"https://doi.org/10.1177/16878132231198338","url":null,"abstract":"To investigate the effects of the non-Newtonian properties of solvents on particle suspension rheology (non-Newtonian property and viscosity), we analyzed suspension flows with different solvent characteristics. We used the power-law model to express the non-Newtonian properties of solvents. The power-law index of the suspension was denoted as n sus. and that of the solvent as [Formula: see text] to distinguish between their non-Newtonian properties. Besides, to evaluate the non-Newtonian property of the particle suspension, we estimated its power-law index [Formula: see text] by comparing its particle velocity with the velocity profile of a power-law fluid. As a result, regardless of the different area fraction, the power-law index of the particle suspension was lower than that of the solvent for [Formula: see text], 0.8, and 1.0. On the other hand, for [Formula: see text] and [Formula: see text], the power-law index of the particle suspension was higher than that of the solvent. Regarding the particle position, particles for [Formula: see text] were more concentrated on the wall side than those of the suspensions with [Formula: see text], 0.8, and 1.0. Thus, this study confirms that a change in the non-Newtonian property of a suspension due to interactions between particles and power-law fluids is an essential factor when discussing the rheology of suspensions.","PeriodicalId":49110,"journal":{"name":"Advances in Mechanical Engineering","volume":"166 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135434135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0