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Artykuły w czasopismach na temat "ANSYS WORK BENCH"
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Zhou, Chen Quan, Ji Yu, Dan Shen, Zheng Peng Xia i Ping Liao. "Analysis and Optimization of Marine Pumps Take-Off and Landing Platform Based on ANSYS". Applied Mechanics and Materials 455 (listopad 2013): 544–50. http://dx.doi.org/10.4028/www.scientific.net/amm.455.544.
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Marine pumps take-off and landing platform is one of the important parts on the dredger, with its high performance, high benefit, make the pump under complex conditions running steadily, work safely and reliably, to ensure that the concentration of desilting. Its finite element model was established by applying the software ANSYS, the static analysis and buckling analysis of the model was carried out, the bench structure was improved according to the results of the analysis, in order to predict the performance of the work at the design stage, and provide theoretical basis for structure optimization design platform.
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Patil, Kedar Kishor, Vinit Randive, Sahil Mulla i Rajkumar Parit. "Design and Analysis of Single Plate Clutch by Mathematical Modelling and Simulation". International Journal of Advance Research and Innovation 8, nr 3 (2020): 53–62. http://dx.doi.org/10.51976/ijari.832009.
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This paper addresses Modeling and analysis of single plate clutch which is used in Tata Sumo vehicle. Clutch is the most significant component located between engine and gear box in automobiles. The static and dynamic analysis were developed for a clutch plate by using finite element analysis (FEA). The 3D solid model was done using CATIA V5R16 version and imported to ANSYS work bench 19.0 for structural, thermal and modal analysis. The mathematical modelling was also done using six different materials (i.e. Steel, Stainless Steel, Ceramics, Kevlar, Aluminum alloy and Gray Cast iron); then, by observing the results, comparison was carryout for materials to validate better lining material for single plate clutches using ANSYS workbench 19.0 and finally conclusion was made.
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Lisowski, Edward, Grzegorz Filo, Piotr Pluskowski i Janusz Rajda. "Flow Analysis of a Novel, Three-Way Cartridge Flow Control Valve". Applied Sciences 13, nr 6 (14.03.2023): 3719. http://dx.doi.org/10.3390/app13063719.
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Flow control valves are designed to maintain a constant flow rate regardless of pressure changes. However, standard, two-way design may cause significant energy losses due to the need to maintain high pressure in the supply line. In contrast, the proposed three-way valve allows the required flow rate to be obtained at a supply pressure slightly above the loading pressure. This work included building mathematical and simulation models, conducting numerical simulations in Ansys/Fluent and Matlab/Simulink environments, and verifying the results by initial test bench experiments on a valve prototype. The main contribution provided by the work concerns the proposal of a new valve solution and the estimation of its operational characteristics.
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Zhang, Feng Shou, Don Gyan Wang, Jian Ting Liu i Feng Kui Cui. "Thermal Deformation Analysis for the Guideway of Large-Type CNC Lathe Based on Finite Element Method". Applied Mechanics and Materials 58-60 (czerwiec 2011): 198–204. http://dx.doi.org/10.4028/www.scientific.net/amm.58-60.198.
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Friction between the guideway and the bench of large-type CNC lathe will cause thermal deformation of the guideway, which causes processing error of the lathe，thereby reduces machining precision of the workpiece. The authors establish the mathematical model of temperature field and thermal deformation of the guideway in the work process, numerically simulate the guideway thermal characteristics by ANSYS finite element analysis software, and obtain the distribution regularities of temperature field and thermal deformation and their major influencing factors, which provide a theoretical basis for optimizing design and thermal error compensation design of the lathe guideway.
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Wong, Pak Kin, Zheng Chao Xie, Yu Cong Cao i Ming Li. "Design and Optimization on Active Engine Mounting Systems for Vibration Isolation". Applied Mechanics and Materials 479-480 (grudzień 2013): 202–9. http://dx.doi.org/10.4028/www.scientific.net/amm.479-480.202.
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In this paper, based on the previous research experiences in the lumped parameter modeling and study of active control mounts model, a test bench model of ACM in powertrain is described and the vibration model is implemented in MATLAB. In order to validate the implementation of the state equations in this work, a finite element analysis (FEA) method is used in ANSYS and compared with analytical model for validate. After the validation, the control strategy is integrated into the analytical model by using the linear quadratic regulator (LQR) method, which is a well know design technique that provides practical feedback gains. Furthermore, this work examines the application of genetic algorithms (GA) in optimizing the weight matrices of LQR. Finally, this work will be useful in improved prediction and performance of vehicle NVH.
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Radha Krishnan, B., i M. Ramesh. "Experimental Evaluation of Al-Zn-Al2O3 Composite on Piston Analysis by CAE Tools". Mechanics and Mechanical Engineering 23, nr 1 (10.07.2019): 212–17. http://dx.doi.org/10.2478/mme-2019-0028.
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Abstract Today’s automotive designers and material specialists regard lighter vehicles for less fuel consumption (economy and ecology) and higher safety to passengers. Metal matrix composites have been a large area of interest. Aluminium composite is potentially applied in automotive and aerospace industries, because it has a superior strength to weight ratio and is a light weight metal with high temperature resistance. Composites containing hard oxides and ceramics (such as alumina) are preferred for high wear resistance along with increased hardness. In this work, alumina and zinc are reinforced in Al-LM25 alloy through stir casting process, where alumina is varied 6% and 12% in Al-5%Zn. Various mechanical analyses were conducted and the effect of wear with different percentage of alumina reinforcement was studied. The resulting properties are imported in a piston, modelled using solid works, and analysed in ANSYS work bench. Imparting this new material for pistons could introduce deep design and improvements in engine operation of a vehicle.
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Bakri, Badis, Hani Benguesmia, Ahmed Ketata, Slah Driss i Zied Driss. "Prediction of the Unsteady Turbulent Flow in a Solar Air Heater Test Bench". Modelling, Measurement and Control B 89, nr 1-4 (31.12.2020): 7–13. http://dx.doi.org/10.18280/mmc_b.891-402.
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In this work, the unsteady turbulent flow in a new solar air heater test bench, developed in our LASEM laboratory, was predicted. The considered system consists of two passages solar air heater separated by an absorber and powered by a fan working in a delivery mode, placed in the hole inlet side the insulation. On this system, a glass is hanging on the front side and an absorber is inserted inside. On the glass side, it is connected to the box prototype through a pipe. The hot air flow is routed towards the box prototype. Two circular holes, are located in the same face of the box prototype. The inlet hole allows the hot air supply. However, the outlet hole allows its escape into the ambient environment. By using the ANSYS Fluent 17.0 software, the Navier-Stokes equations coupled with the standard k-ω turbulence model were resolved. The numerical results were compared with our experimental data, established in the second passage of the solar air heater test bench. The good agreement confirms the validity of the numerical method. The range of temperatures is very useful in many applications such as industrial and domestic applications.
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Subbarao, Rayapati, i Nityanando Mahato. "Simulation studies on the comparison of different superalloys used in gas turbine blades". IOP Conference Series: Materials Science and Engineering 1248, nr 1 (1.07.2022): 012034. http://dx.doi.org/10.1088/1757-899x/1248/1/012034.
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Abstract Impingement of gases at high temperature and pressure leads to the development of stresses and deformation in gas turbine blades. Other important characteristics are also getting changed, prompting more problems in gas turbine engines, as they are used in both power generation and transportation. In this work, failure aspects in blades is studied by performing structural analysis, considering superalloys that are used in the industry. Software packages like Solidworks and Ansys are used for modelling, meshing and solving, in order to identify the target variables like total deformation, von Mises stress, strain energy and fatigue. Geomtery of the turbine blade is modelled and after meshing, boundary conditions like pressure, force and rotational speed are enforced. Results are analysed after carrying out the static structural analysis in Ansys work bench. For the superalloy materials chosen, contours and plots are made for all the configurations. Validation of deformation from the present work is done with experiments done earlier, which is in good agreement. Total deformation is more at the tip of the blade. At the root of the blade, the stresses are found to be more. Presence of strain energy is more near the root. Fatigue life contours showed similarity in all the cases. The blade failure region is identified for all the materials under consideration and the trends are compared for different input temperatures. Thus the current work is helpful in recognizing appropriate superalloy to be used in the present day gas turbines and supports the use of GTD 111 as gas turbine blade material.
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Shi, Yalin, Lingling Chen, Pengfei Chen, Qingzhen Yang, Yongqiang Shi i Hua Yang. "Numerical Study On Aerodynamic Characteristics Of Supersonic Nozzle In Presence Of Ground Effect". Journal of Physics: Conference Series 2252, nr 1 (1.04.2022): 012013. http://dx.doi.org/10.1088/1742-6596/2252/1/012013.
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Abstract The aeroengine mobile test bench is well applied as it is convenient for outfield transportation and installation, and also it is suitable for different environments. When utilizing a mobile test bench, the distance between the center of the engine and the ground is normally within a range so that it can be manually operated. However, this limited distance will lead to the ground effect, which affects the test performance of the aeroengine. This paper numerically studies the aerodynamic characteristics of a supersonic nozzle in the presence of the ground effect. The work is conducted with the software package ANSYS Fluent 21, employing the unsteady large eddy simulation. The nozzle works in a supersonic condition, and the distance between the nozzle and the ground is 2Dj. Dj is the diameter of the nozzle outlet. The models with and without ground effect are investigated. The analysis of the flow field confirms that the ground effect enhances the mixing of the jet and the air, and enriches the coherent structure. With the ground effect, the Reynolds stress on the vertical centerline on each section plane is increased, and the shear layer on each section plane is expanded radially. The results show that the ground effect increases the ground temperature after x/Dj=9, shortens the length of the core area by about 12.5%, decreases the mean axial velocity on the centerline of the jet after x/Dj=10, and increases the dimensionless velocity on the near ground side of the vertical plane. Here, x is the distance between the inlet plane and the discussed cross section. The analysis of the thrust characteristics confirms that the ground effect has no influence on the thrust. Therefore, the mobile test bench can accurately evaluate the thrust performance of an aeroengine.
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Shi, Yalin, Lingling Chen, Pengfei Chen, Qingzhen Yang, Yongqiang Shi i Hua Yang. "Numerical Study On Aerodynamic Characteristics Of Supersonic Nozzle In Presence Of Ground Effect". Journal of Physics: Conference Series 2252, nr 1 (1.04.2022): 012013. http://dx.doi.org/10.1088/1742-6596/2252/1/012013.
Pełny tekst źródłaStreszczenie:
Abstract The aeroengine mobile test bench is well applied as it is convenient for outfield transportation and installation, and also it is suitable for different environments. When utilizing a mobile test bench, the distance between the center of the engine and the ground is normally within a range so that it can be manually operated. However, this limited distance will lead to the ground effect, which affects the test performance of the aeroengine. This paper numerically studies the aerodynamic characteristics of a supersonic nozzle in the presence of the ground effect. The work is conducted with the software package ANSYS Fluent 21, employing the unsteady large eddy simulation. The nozzle works in a supersonic condition, and the distance between the nozzle and the ground is 2Dj. Dj is the diameter of the nozzle outlet. The models with and without ground effect are investigated. The analysis of the flow field confirms that the ground effect enhances the mixing of the jet and the air, and enriches the coherent structure. With the ground effect, the Reynolds stress on the vertical centerline on each section plane is increased, and the shear layer on each section plane is expanded radially. The results show that the ground effect increases the ground temperature after x/Dj=9, shortens the length of the core area by about 12.5%, decreases the mean axial velocity on the centerline of the jet after x/Dj=10, and increases the dimensionless velocity on the near ground side of the vertical plane. Here, x is the distance between the inlet plane and the discussed cross section. The analysis of the thrust characteristics confirms that the ground effect has no influence on the thrust. Therefore, the mobile test bench can accurately evaluate the thrust performance of an aeroengine.
Streszczenia konferencji na temat "ANSYS WORK BENCH"
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Delimont, Jacob, Aaron McClung i Marc Portnoff. "Direct Fired Oxy-Fuel Combustor for sCO2 Power Cycles: 1MW Scale Design and Preliminary Bench Top Testing". W ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64952.
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Direct fired oxy-fuel combustion as a heat source for supercritical carbon dioxide (sCO2) power cycles is a promising method for providing the needed thermal energy input. The method of combustion has the potential to provide efficient power generation with integrated carbon capture at up to 99% of generated CO2. One of the highest efficiency power cycles being considered for sCO2 cycles in the recompression cycle. In the recompression sCO2 power cycle, the amount of energy recovered from the recuperation is roughly five times the energy added via the combustor. Because of this high degree of recuperation in sCO2 power cycles, the inlet temperature of the combustor is much higher than a more traditional combustor design. This elevated combustor temperature leads to some unique design challenges and approaches which are quite different from a traditional combustion system. A combustor designed for these conditions has never been built, and thus the design of the combustor discussed in this paper started from a clean slate. This necessitates a large degree of fundamental research which might not be necessary for a more well understood traditional combustor design process. Building on previous thermodynamic and chemical kinetics studies, a reduced order reaction kinetics model was used with ANSYS CFX software to explore various auto-ignition type combustor geometries. A discussion of some geometries and the modelling techniques used is presented. Various injector configurations were examined and metrics were used to compare the various configurations. By utilizing the CFD flow field results, a preliminary design for a 1MW-class oxy-fuel combustor was developed. In the past, little experimental research has been conducted on combustion within carbon dioxide at pressures above 200 bar. In order to confirm the validity of the auto-ignition style combustor a small bench top test rig was constructed to test the oxy-fuel combustion at the full pressure and temperature. This system was designed to validate some of the fundamental properties of the combustion. This includes a gas sampling system and a measurement of auto-ignition delay. Preliminary, data from a bench top scale, sCO2 oxy-fuel combustor experiment will be presented. The results from this work will enable future development of sCO2 power cycles which enable 99% carbon capture, while maintaining overall cycle efficiency which is competitive with natural gas combined cycle power plants.
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Ranganathan, Soundararajan, Saravana kumar, Shoban thirunavukkarasu i Sendil P. Muthuswamy. "Modular Design and Analyze of Air Intake Manifold for Formula Vehicle". W International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2020. http://dx.doi.org/10.4271/2020-28-0485.
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<div class="section abstract"><div class="htmlview paragraph">The SAE formula student car organization constrained a rule to place a restrictor of diameter 20mm in between the throttle body and the engine inlet. The restrictor is a component that reduces and regulates the mass flow of air into the engine inlet. For this, a venture nozzle will be used as a restrictor in a vehicle to decrease the air pressure and increase the velocity in the intake manifold. Our proposed work aims to minimize the pressure drop by changing the convergent and divergent angles in the restrictor. For this by using solidworks eight various combinations of models with convergent angle as 13, 15 degrees, and divergent angle as 5,7 degrees was designed and analyzed using CFD fluent in ansys work bench. In this, 13 degree as convergent and 5 degree as a divergent model was found to have laminar airflow throughout with optimum pressure drop. The plenum is a large duct that equalizes the pressure drop caused by the restrictor in order to improve the efficiency of the engine. By varying the shape of the plenum as elliptical, with volume as 1.8, 2.8Litres eight models were designed and analyzed by applying constrains in velocity and pressure of air medium flowing through it. It was found that the elliptical shape of volume 1.8 Liters with a 15degree convergent and 7degree divergent angle was suitable to maintain effective output and response of the engine. Therefore, the proposed model of restrictor and plenum will be recommended for the nominal response of the engine without affecting the efficiency.</div></div>
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Chen, Siyuan, Yanrong Wang, Dasheng Wei, Yanbin Luo i Shimin Gao. "Vibration Analysis and Methods of Dry Friction Damping of Tubed Vortex Reducer". W ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14001.
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Abstract The tubed vortex reducer is a new structure of aero-engine, which is widely used in advanced large bypass ratio high performance turbofan engines. It is usually installed between the rear two-stage discs of the high-pressure compressor, and reduces the generation of free vortex by restricting the flow path of the cooling airflow, thereby reducing the pressure loss of the cooling airflow and improving the engine efficiency. In this paper, vibration analysis of tubed vortex reducer is carried out by experiments and numerical simulations. Using the finite element method, the natural vibration characteristics of the vortex reducer are calculated with ANSYS. The sensitivity analysis of the impact of design parameters on the vibration characteristics is carried out. In addition, the vibration test bench of the vortex reducer is set up, and the vibration test of the vortex reducer is conducted by means of frequency sweeping and hammer hitting respectively. The experimental results satisfactorily reproduce the simulation results. Then the theoretical model of dry friction damping of vortex reducer is established. Based on the dynamic model of the complex contact system composed of vortex reducer and damping sleeve, the relationship between energy dissipation in different directions is derived. And a method evaluating the performance of vibration reduction is presented for calculating its equivalent damping ratio. Finally, the influence of the key design parameters and different installation methods on the damping ratio is analyzed. Overall, this work can provide reference for vibration reduction design and optimization of vortex reducer.
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Karpat, F., O. Dogan, C. Yuce, N. Kaya i G. Cengiz. "The Investigation of Stress Distribution on the Tractor Clutch Finger Mechanism by Using Finite Element Method". W ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-39230.
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In recent years, there has been an increasing demand for tractor usage for agricultural activities in the world. Tractors are an integral part of mechanization and have a crucial role to play to enhance agricultural productivity. They are used for many kinds of farm work, under various soil and field conditions. It provides agricultural activities in challenging conditions by using several farming equipment. During the operations, tractors have to efficiently transfer power from the engine to the drive wheels and PTO through a transmission. Tractor clutch is the essential element in this system. During the torque transmission, loads which occur on the clutch components cause damages. In many cases, especially PTO clutch finger mechanism is fractured under the torque transmission. In this study, finger mechanism, which used in tractor clutch PTO disc, is investigated. Finite element analyses were performed for two different thicknesses (3.5 and 4 mm) of the finger mechanism. Stress and deformation values which occur during the transfer of power in a safe manner are investigated for these thicknesses. The finger mechanism CAD models were created using CATIA V5 and then imported into ANSYS for static finite element analyses. As a result of the analyses, approximately 13% stress decreasing was observed with the increment of the 0.5 mm for the finger thicknesses. Results from the analyses provide an accurate prediction of the material yielding and load path distribution on the PTO clutch finger. To verify the analyses results prototype PTO finger mechanism was manufactured and was conducted bench tests. Consequently, a good correlation was achieved between finite element model and test results.
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Klamo, Joseph T., Leo M. Jones, Young W. Kwon i Jarema M. Didoszak. "Upgrades to and Current Research Efforts Involving the Tow Tank Facility at the Naval Postgraduate School". W SNAME 30th American Towing Tank Conference. SNAME, 2017. http://dx.doi.org/10.5957/attc-2017-0046.
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The Naval Postgraduate School has added wave making capability to the existing small tow tank that resides on campus. A new collaborative research effort between the Systems Engineering and Mechanical and Aerospace Engineering Departments is underway that utilizes this new capability. The aim of this new effort is to understand and predict the unsteady hydrodynamic loads experienced by a submerged vehicle operating near the surface. The tow tank was originally built around 1970 but only had the capability of testing models at slow speed in calm water. Even with this limited capability, a number of interesting studies were conducted in the facility including measuring the drag on a towed hydropower turbine and examining the forces due to collisions between floating ice equivalent objects and a composite plate. The new wave making capability in the tow tank is provided by a vertical plunging wedge that was modeled off of the sediment tank wavemaker at the United States Naval Academy. The wedge rides on a pair of vertical rails with the oscillation amplitude and frequency controlled by a linear actuator and electric motor. A variable angle wave absorbing beach is planned for the opposite end of the tank. An additional component of this modernization effort is the creation of a numeric tow tank, using ANSYS CFX, which can simulate the wave dynamics in the tank. This allows complementary numerical and experimental components of future research efforts. The current experimental effort involves characterizing the performance of the wavemaker and quantifying the wave environment throughout the tank. The wedge to wave amplitude transfer function has been determined over the relevant amplitude and frequency space. The uniformity of a wave crest has also been examined. For the numeric tow tank work, the wedge motion has been duplicated and the simulated wave elevation and propagation down the tank are being compared to experimentally measured results.