Recent Patents on Mechanical Engineering最新文献

{"title":"Task Offloading of Intelligent Building Based on Dependency-Aware in Edge Computing","authors":"Lingzhi Yi, Jianxiong Huang, Wang Yahui, Long Jiao, Luo Bote, Jiangyong Liu","doi":"10.2174/2212797616666230831124454","DOIUrl":"https://doi.org/10.2174/2212797616666230831124454","url":null,"abstract":"\u0000\u0000With the rapid development of artificial intelligence, the traditional cloud computing model has serious bandwidth and energy consumption problems when storing and processing massive amounts of raw data. To address this problem, recent patents have investigated methods for intelligent task offloading and allocation in mobile edge computing.\u0000\u0000\u0000\u0000A Directed Acyclic Graph (DAG) task unloading model is established to reduce the problem of task delay and energy consumption in edge networks. At the same time, the Modified Tuna Swarm Optimization (MTSO) is used to improve the execution efficiency.\u0000\u0000\u0000\u0000Firstly, this paper integrates (i) inter-task dependencies; (ii) heterogeneity of computing resources in the edge network; and (iii) interference of wireless channels in the edge network. A DAG task offloading model is developed to reduce latency and energy consumption. The end users are guided to offload their tasks/sub-tasks to the most appropriate servers in the edge network, thus minimizing the end-to-end latency of all tasks in the edge network. Secondly, the MTSO algorithm is used to coordinate the dependencies and priorities of subtasks to improve execution efficiency.\u0000\u0000\u0000\u0000The experimental results show that when the number of users including subtasks is 10, the final edge server utilization rate is as high as 92%. A more fine-grained segmentation scheme can reduce the average delay of tasks and improve the utilization rate of edge servers.\u0000\u0000\u0000\u0000The approach proposed in this paper reduces the end-to-end latency and improves resource utilization in complex applications under the premise of ensuring task dependency. It well relieves the pressure on the cloud and has certain engineering application value\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41911639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic Simulation Analysis of Truck Crane Based on ADAMS","authors":"Yunsheng Xin, Ruiyi Dong, Shuyi Lv","doi":"10.2174/2212797616666230825100256","DOIUrl":"https://doi.org/10.2174/2212797616666230825100256","url":null,"abstract":"\u0000\u0000With a reduction in the weight of telescopic boom crane and an increase in its lifting capacity, the contradiction between its speed, stability and safety becomes more prominent. The telescopic arm also has flexible deformation during operation, which will cause vibration of the whole vehicle system. Therefore, in order to ensure safety, accuracy, and efficiency in the working process, it is necessary to accurately predict the dynamic characteristics of the telescopic boom load in the working process.\u0000\u0000\u0000\u0000The purpose of this study is to establish a rigid-flexible coupling dynamic model of the crane, which can accurately reflect the dynamic characteristics of the telescopic boom during its operation in the simulation test.\u0000\u0000\u0000\u0000In theory, this study analyzes the characteristics of a truck crane and simplifies it as a cantilever beam. Based on the Euler-Bernoulli beam theory, the vibration differential equation of the mobile mass-cantilever beam system is established. In the aspect of simulation, the three-dimensional modeling software Solidworks is used to establish the solid model of the truck telescopic boom, the finite element analysis software is used to establish the finite element model of the telescopic boom, and the modal neutral file is generated and imported into ADAMS to establish the dynamic model of the truck crane multi-level flexible telescopic boom. The dynamic simulation of the virtual prototype model of the truck telescopic boom crane is carried out in ADAMS software to obtain the dynamic characteristics of the key components of crane under specific working conditions.\u0000\u0000\u0000\u0000The vibration differential equation derived in theory can be used to solve the dynamic response of the crane jib under specific conditions by MATLAB programming. In the aspect of simulation, the error fluctuation and its causes in the key components of the crane in the working state are analyzed, and the rationality of the virtual prototype model is verified. Finally, through the trajectory planning of the crane under typical working conditions, the purpose of stable control of the telescopic boom system of the truck crane is realized.\u0000\u0000\u0000\u0000The derived equation is universal for solving the vibration of crane jib in general cases. The rigid-flexible coupling model also provides a reference for the dynamic modeling, analysis, design, and manufacture of a multi-stage flexible telescopic boom. The findings of this study can provide a reference for related patent research and development.\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41329366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design and Force Control Analysis of a Novel Waist Massage Instrument","authors":"Shenglong Xie, Zijing Liu, Liang’an Zhang, Yanjian Wan","doi":"10.2174/2212797616666230825155641","DOIUrl":"https://doi.org/10.2174/2212797616666230825155641","url":null,"abstract":"\u0000\u0000There is a shortage of rehabilitation doctors and treatment equipment for patients with lumbar spondylosis. Therefore, a waist massage instrument (WMI) is designed to help patients alleviate lumbar pain.\u0000\u0000\u0000\u0000The objective of this study is to design a new WMI with the advantages of simple structure, lightweight, and function of effective force control, and to verify its function of palmar push, palmar press, and palmar vibration based on the on-off control, PID control, and fuzzy-PID control.\u0000\u0000\u0000\u0000the design principle of the massage instrument. Then, a new WMI composed of massage head, vibration exciter, and actuator is designed to simulate the three massage manipulations. Next, the electric control system and control methods of on-off, PID, and fuzzy-PID controllers are introduced to realize the force control of WMI. Finally, the force control experiments of WMI are carried out to verify the function of the palmar press, palmar push, and palmar vibration based on the on-off control, PID control, and fuzzy-PID control, respectively.\u0000\u0000\u0000\u0000The experimental results indicate that the proposed WMI can implement the massage manipulations of palmar push, palmar press, and palmar vibration well, and has good force control ability after using fuzzy-PID control.\u0000\u0000\u0000\u0000The newly designed WMI is effective in providing palmar push, palmar press, and palmar vibration massage manipulations for patients with lumbar spondylosis, and the fuzzy-PID controller improves the force control ability of the instrument. The WMI has the potential to be used as an effective treatment for lumbar pain.\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43590189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermal Characteristics of Oil Film in Critical Lubrication State of Heavy Hydrostatic Bearing","authors":"Yanqin Zhang, Wu Ye, Jiabao Li, Wang Mulan, Quan Zhen","doi":"10.2174/2212797616666230821102611","DOIUrl":"https://doi.org/10.2174/2212797616666230821102611","url":null,"abstract":"\u0000\u0000Lubrication failure has always been a concern in the research of heavy hydrostatic bearings. A preliminary study found that under a certain working condition, the heavy hydrostatic bearing will appear in the condition of zero local flow of oil film, which is called a critical lubrication state. It produces a significant thermal accumulation effect and affects the lubrication performance of the bearing.\u0000\u0000\u0000\u0000This paper takes Q1-205 double rectangular cavity hydrostatic thrust bearing as the research object and adopts the research method combining theoretical analysis, simulation, and experimental test to analyze the temperature rise and characteristics of the bearing when it is in critical lubrication state under different working conditions.\u0000\u0000\u0000\u0000The finite volume method is used to simulate the critical lubrication state under the condition of common load and rotating speed, and the corresponding operating parameters of the critical lubrication of heavy static support are obtained.\u0000\u0000\u0000\u0000It is found that when the oil film is in the critical lubrication state, the low temperature zone is concentrated at the bearing position of the oil film, while the high temperature zone is concentrated at the counter-current side sealing edge.\u0000\u0000\u0000\u0000The oil film's local temperature rise is intensified, and the heat accumulation phenomenon is serious because the heat cannot be taken away in time,\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49336409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Time-varying Reliability Analysis of Contact Fatigue Strength for Nutation Face Gear Transmission","authors":"Lili Zhu, Y. Shen, Xu Liang, Bo Wu","doi":"10.2174/2212797616666230817101903","DOIUrl":"https://doi.org/10.2174/2212797616666230817101903","url":null,"abstract":"\u0000\u0000Nutation face gear transmission is a patent about a new type of transmission based on meshing between two face gears. It replaces spur gear with internal face gear to form a “face-face” meshing gear pair and actualizes its deceleration function by combining the nutation principle, which has the advantages of both face gear and nutation drive.\u0000\u0000\u0000\u0000The purpose of this paper is to establish the time-varying reliability calculation model of contact fatigue strength based on fractal contact theory, so as to improve the reliability, safe service and further optimization design of the nutation face gear transmission.\u0000\u0000\u0000\u0000The time-varying uncertainties of the contact stress and the allowable contact stress of the face gear teeth are analyzed respectively, and then the time-varying reliability model of the contact fatigue strength is established. Finally, the drift rate and fluctuation rate of each random variable are simulated using the Monte Carlo simulation method to obtain the time-varying reliability of the contact fatigue strength for the nutation face gear drive.\u0000\u0000\u0000\u0000The results show that the general trend of geometric Brownian motion locus of each random variable is consistent with the actual situation.\u0000\u0000\u0000\u0000For the given example of the nutation face gear transmission device, the reliability of the contact fatigue strength of the planetary face gear meshing with the fixed face gear and the rotating face gear within one year is calculated to be 0.9912 and 0.9856 respectively, and the maximum vibration noise is about 68dB, which meets the expected value.\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45824515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The molecular dynamics simulation of thermal properties of R290 for auto-cascade refrigeration system","authors":"Haocheng Feng, Zhenzhen Liu, Zilong Wang, Hua Zhang","doi":"10.2174/2212797616666230817123923","DOIUrl":"https://doi.org/10.2174/2212797616666230817123923","url":null,"abstract":"\u0000\u0000Hydrocarbons are increasingly being considered as potential fourth-generation refrigerants due to their environmentally-friendly properties. However, accurate prediction and calculation of their thermal properties are essential for their industrial application.\u0000\u0000\u0000\u0000In this study, molecular dynamics simulations were performed to calculate the density, self-diffusion coefficient, viscosity and thermal conductivity of R290 at various operating temperatures of 200-240 K and pressures of 0.15 and 0.20 MPa, and 270-390 K and pressures of 1.5 and 2.0 MPa to verify the feasibility of the methods.\u0000\u0000\u0000\u0000The equilibrium molecular dynamics simulation (EMD) approach was utilised. The soundness of the model and force field were verified by calculating the density of the system during the relaxation phase. In the output stage, the self-diffusion coefficient was calculated using the Einstein relation, while the viscosity and thermal conductivity were calculated using the Green-Kubo method. The simulation results were compared with the NIST data values, and the errors were analysed.\u0000\u0000\u0000\u0000 Results: The density simulation results for R290 in the relaxation phase yielded an overall average absolute relative deviation (AARD) value of 3.97%. In the output stage, the simulation results for the transport coefficients of R290 showed AARD values of 7.68%, 6.60% and 11.04% for the self-diffusion coefficient, viscosity, and thermal conductivity, respectively, compared to the NIST data values.\u0000\u0000\u0000\u0000These results indicate the feasibility of using molecular dynamics simulations to study the transport properties of hydrocarbon refrigerants. The findings also provide a foundation for future research on hydrocarbon refrigerant mixtures.\u0000\u0000\u0000\u0000The research presented in this work could serve as a valuable reference for future patent applications and technological innovations related to hydrocarbon refrigerants, particularly R290. This includes, but is not limited to, delivery pipelines, connectors, storage containers, control and detection systems, and the preparation and application of R290 and other refrigerant mixtures.\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43910236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design of Automatic Loading and Unloading Manipulator for CNC Gear Milling Machine","authors":"Zhong Chen, Xin Gao, H. Yang, Zuxiao Song, Yongfang Wang","doi":"10.2174/2212797616666230816090957","DOIUrl":"https://doi.org/10.2174/2212797616666230816090957","url":null,"abstract":"\u0000\u0000At present, due to the widespread use of robotic arms for the automatic loading and unloading of CNC gear milling machines, there has been an increase in patents related to robotic arms. However, these robotic arms have issues of low efficiency and large space occupation. To solve these problems, a CNC gear milling machine with an automatic loading and unloading manipulator device needs to be designed.\u0000\u0000\u0000\u0000This paper first designs the overall scheme of the automatic loading and unloading manipulator, and then uses Solidworks to establish a three-dimensional model. Finite element analysis software is used to analyze and simulate the deformation, stress distribution, and service life of the key components in the overall device. Finally, a prototype of the robotic arm is created based on the simulation optimization results.\u0000\u0000\u0000\u0000This paper designs a new type of automatic loading and unloading manipulator device for CNC gear milling machines, which is different from existing patents in that all its components are installed inside the machine tool protective cover. In production experiments, the operation was found to be stable and reliable, and the loading and unloading process was completed at a speed of 11s/time, consistently exceeding the manual maximum speed of 19s/time. The results indicate that the proposed clamp storage system and core rod perforation feeding method are effective.\u0000\u0000\u0000\u0000The new design solves the problems of low efficiency and large space occupation in existing robotic arm patents.\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41438927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Shock Isolation of Light Vehicle Suspension by Modified Eye Leaf Spring","authors":"Muhammad Ashiqur Rahman, Md. Sikander Ibrahim, Ahmad Abdullah Tonmoy, MD. AL-Hasan Mridha","doi":"10.2174/2212797616666230815105051","DOIUrl":"https://doi.org/10.2174/2212797616666230815105051","url":null,"abstract":"\u0000\u0000Rickshaws are a popular and inexpensive mode of transportation in Bangladesh for short-distance travel. However, the eye leaf spring in a typical rickshaw suspension system does not provide adequate shock isolation. The coil spring-damper suspension system is more effective, but is costly and not affordable for most manufacturers. Thus, the goal is to modify the eye leaf spring to be inexpensive and ensure a safe and comfortable suspension.\u0000\u0000\u0000\u0000The study aimed to modify the material and structure of the leaf spring to limit the stiffness and the shock energy within a certain range suitable for the rickshaw’s suspension. The focus of the study was on modifying the spring structure, which could be cost-effective.\u0000\u0000\u0000\u0000In this study, flexible bolted joints and EVA sheets have been used to change the spring structure. The study compared the performance of the modified spring with the typical eye leaf spring.\u0000\u0000\u0000\u0000The modified eye leaf spring provided improved shock isolation and a more comfortable ride compared to the typical eye leaf spring. The changes made to the spring, such as the use of flexible bolted joints and EVA sheets, limited the stiffness and shock energy within a certain range suitable for the rickshaw’s suspension. The modified spring was also found to be cost-effective.\u0000\u0000\u0000\u0000The study has demonstrated the feasibility of using a modified eye leaf spring for light vehicle suspensions, specifically for rickshaws. The modifications made to the spring structure, such as using flexible bolted joints and EVA sheets, provided improved shock isolation, a more comfortable ride, and cost-effectiveness. The modified spring offers an inexpensive solution for manufacturers to produce rickshaws with a safer and more comfortable suspension system.\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48039902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A robust adaptive control strategy for electro-hydraulic servo based on friction compensation","authors":"Bing Zhang, Luyou Yue, Zhiqing Wang, Hua Huang, Junsen Rao, Xunyi Zhu, Xinxing Zhang","doi":"10.2174/2212797616666230809103151","DOIUrl":"https://doi.org/10.2174/2212797616666230809103151","url":null,"abstract":"\u0000\u0000The electro-hydraulic servo system has the advantages of high stiffness, fast response speed, high precision and power-to-weight ratio.\u0000\u0000\u0000\u0000In this patent, an adaptive robust control strategy based on friction compensation is proposed for insufficient control accuracy due to a large number of nonlinearities and uncertainties in the system.\u0000\u0000\u0000\u0000In this patent, the mathematical relationship between the physical quantities of the valve-controlled cylinder is analyzed. Then the mathematical model of valve controlled cylinder considering the main nonlinearity and uncertainty of the system is established. The fuzzy proportion-integral-derivative, deterministic robust, and adaptive robust single-cylinder trajectory tracking controllers are designed and the tracking performance of different reference trajectories is analyzed by MATLAB/Simulink software.\u0000\u0000\u0000\u0000In this patent, all the three controllers can track the reference trajectories smoothly. Adaptive robust control strategy can make the uncertain parameters of system converge and approach truth value.\u0000\u0000\u0000\u0000In this patent, the adaptive robust control strategy has the function of online parameter adjustment. When tracking accuracy is taken as the index, its tracking effect is better than fuzzy proportion-integral-derivative and deterministic robust.\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43330546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of Fluid Flows in Bounded Domain with Particular Shape of a Cavity Using Lattice Boltzmann Method","authors":"Vikas V. Shetty, K. Balashanker, A. D, Vedant Umang Patel","doi":"10.2174/2212797616666230803115517","DOIUrl":"https://doi.org/10.2174/2212797616666230803115517","url":null,"abstract":"\u0000\u0000The present work numerically models the incompressible, continuous phase, viscous flow of Newtonian fluid flow in a bounded domain of two-dimensional cavity that is driven by walls and contains grooves in the shape of squares on the lower wall. With the help of the mesoscopic lattice Boltzmann method (LBM) and D2Q9 square lattice model, simulation results are found stable and reliable. The flow physics of the problem by varying Reynolds number, the height and quantity of lower wall grooves, and other fluid flow characteristics within the bounded domain are studied in detail. It is seen that the effects of the groove heights and wavelengths on the fluid flow are structured within the bounded domain. The study is performed from low Re = 100 to high Re = 3200, with minimum two and maximum four-wavelength grooves evaluated on the bottom surface, each having a height of low 0.25 and high 0.75. Additionally, a thorough discussion of complicated vortex dynamics is provided regarding the input parameters and geometry.\u0000\u0000\u0000\u0000The current study aims to use mesoscopic LBM to analyze incompressible viscous fluid flows on complex geometries other than rectangular shapes.\u0000\u0000\u0000\u0000Mesoscopic approach of kinetic theory-based Lattice Boltzmann method (LBM) is implemented in the current work. The popular Single Relaxation Time Lattice Boltzmann method with D2Q9 square lattice model and second-order accurate boundary condition is adopted for the current study.\u0000\u0000\u0000\u0000The numerical approach of LBM is used to simulate fluid flows in a 2D bounded domain with grooved bottom surfaces. The influence of different factors, such as the height of bottom-wall surface grooves, flow Reynolds number, and wavelength of these grooves on flow patterns, is then investigated.\u0000\u0000\u0000\u0000The numerical study of the bounded domain is considered, and the Reynolds number is varied from 100 to 3200, with two and four-wavelength grooves evaluated on the bottom surface, each having a height of 0.25 and 0.75. The impacts on the flow pattern both within and slightly above the grooves of the computational findings for different Reynolds numbers, groove heights, and groove wavelengths are evaluated. As the Reynolds number rises, the mixing phenomenon of fluid is shown to flow more quickly in the wall-driven enclosures.\u0000","PeriodicalId":39169,"journal":{"name":"Recent Patents on Mechanical Engineering","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44868881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}