Relevant bibliographies by topics / Software Helical

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Software Helical'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Software Helical"

1

Ainger, AWS, and F. Schmid. "The helical approach to software design." Computer Integrated Manufacturing Systems 8, no. 2 (1995): 105–15. http://dx.doi.org/10.1016/0951-5240(95)00004-d.

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Wang, Jun Gang, Yong Wang, Yan Tao An, Qi Lin Huang, and Mao Lin Xu. "Research on Natural Characteristics of Helical Gear in Gearbox for Wind Turbine Generator." Key Engineering Materials 474-476 (April 2011): 2054–57. http://dx.doi.org/10.4028/www.scientific.net/kem.474-476.2054.

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The three-dimensional helical gear model based on the geometric parameters is created by using software called PROE3.0. The natural characteristics of helical gear are analyzed by using the finite element method. The natural frequency of the helical gear is calculated by the software ANSYS and the principal mode of vibration is discussed. There are four vibration modes, which are circular vibration, torsional vibration, radial vibration and umbrella vibration. The phenomenon of resonance of the helical gear can be avoided by choosing suitable parameters and changing the natural frequency of the helical gear.
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Matulewicz, L., and K. Slosarek. "Evaluation of Transit Dosimetry Software for Helical Tomotherapy." International Journal of Radiation Oncology*Biology*Physics 90, no. 1 (2014): S739—S740. http://dx.doi.org/10.1016/j.ijrobp.2014.05.2151.

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Guan, Li Kun, and Ning Ning Wang. "Fracture Reason Analysis for Helical Gear Shaft of Converter Tilting Mechanism Senior Reducer." Advanced Materials Research 605-607 (December 2012): 824–27. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.824.

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A steel works 210 tons basic oxygen furnace tilting mechanism senior reducer high-speed helical gear shaft fracture. In order to find fractured reason, the static strength analysis of helical gear shaft were conducted by the finite element analysis software ANSYS, get the amount of deformation and stress distribution of helical gear shaft. On the basis of this result, based on fatigue cumulative damage theory and the concept of fatigue failure ensure it is fatigue fracture. The results of Static strength analysis provides important data to calculate fatigue life of helical gear shaft by fatigue analysis software, and Provides a theoretical basis for reliability design of helical gear shaft.
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Rogatinskiy, Roman, Ivan Hevko, Andriy Gypka, Oksana Garmatyk, and Sergiy Martsenko. "Feasibility Study of the Method Choice of Manufacturing Screw Cleaning Elements with the Development and Use of Software." Acta Technologica Agriculturae 20, no. 2 (2017): 36–41. http://dx.doi.org/10.1515/ata-2017-0007.

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Abstract computer simulation of a curved profile formation on a helical spiral was carried out. A feasibility study was conducted in order to choose the method suitable for manufacturing of L-shaped helical spirals using specially developed software for calculating of the costs of helical spiral formation processes. The tables presenting technological characteristics of the design parameters of screw coiling working bodies manufactured by different methods are provided. The production costs for 1 meter of helical spiral with a curved profile manufactured by different methods are calculated. Theoretical and experimental investigations proved that the most cost-effective method of L-shaped helical spiral manufacturing is to coil it along the inner face from rectangular pieces with simultaneous or subsequent shelve formation.
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Papanikolaou, Nikos, Weihong He, Luis A. Vazquez Q, Alonso Gutierrez, Sotirios Stathakis, and Hassaan Alkhatib. "MU-Tomo: Independent Dose Validation Software for Helical TomoTherapy." Journal of Cancer Science & Therapy 02, no. 05 (2010): 145–52. http://dx.doi.org/10.4172/1948-5956.1000040.

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Xiao, Da Zhun, Ke Bing Li, Zhi Qiang Wang, and Dian Min Liu. "Computer aided design software package for conjugate helical surfaces." Journal of Materials Processing Technology 61, no. 1-2 (1996): 72–77. http://dx.doi.org/10.1016/0924-0136(96)02468-5.

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Wang, Zhen, Ming Hu Jiang, Ping Tao Hou, Qing Jiao Sheng, and Li Xin Zhao. "Numerical Simulation of a Helical Pipe Coalescence Device." Advanced Materials Research 516-517 (May 2012): 1062–65. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.1062.

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A model of coalescing helical pipe is established through the analysis to the oil phase in continuous water phase inside a helical pipe, by using Fluent software. The influence of structural parameters and operation parameters of helical pipes on oil droplet coalescing effect is verified. Results show that the oil drop coalescing effect increases with the rise of gyration radius and number of turns of helical pipe, and decreases with the rise of the helical pipe diameter and inlet velocity.
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Rahman, Hammad, Rehan Jamshed, Aurangzeb Khan, Hassan Ijaz, and Li Min. "Design of Tape Wound Composite Cylindrical Shells Incorporating Different Failure Criteria and Winding Kinematics." Advanced Materials Research 570 (September 2012): 53–62. http://dx.doi.org/10.4028/www.scientific.net/amr.570.53.

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Internally pressurized tape wound composite shells of revolution with plugged ends are immensely utilize in commercial and aerospace applications. The focus of present endeavor is the realistic design of composite shells. A balanced symmetric stacking sequence of glass/epoxy has been considered. Its mechanical properties are determined from the experimental testing of flat plate samples as per ASTM standards. Netting analysis is then performed to find out the winding angles and hoop/helical layers contribution for optimum structural performance and higher efficiencies. The winding kinematics has been comprehended from the developed surface of the composite cylindrical shell and it has elucidated that each helical layer results from the interlacing of two plies with alternate angles of + θ and θ to the shell meridian. These helically interlaced layers are responsible for the creation of triangular shaped flip flop patterns which run both across the circumference as well as along the shell meridian. These characteristic patterns of helical winding known as mosaic patterns are not generally incorporated in the design calculations which are normally based on mechanics of composite laminates. Their pronounce effect in altering the transverse fiber stress is presented in the present study. The influence of mosaics in the presence of hoop layers is targeted for the first time hence the laminate that has been analyzed comprise of both hoop layers and helical layers with mosaic patterns. A software code has been developed in MATLAB using classical laminate plate theory (CLPT) incorporated with different failure criteria. Range of burst pressures based on different failure criteria has been plotted. Results of MATLAB code and FEA based ANSYS software, are in close agreement.
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Huang, Y. "WEB-THERMODYN: sequence analysis software for profiling DNA helical stability." Nucleic Acids Research 31, no. 13 (2003): 3819–21. http://dx.doi.org/10.1093/nar/gkg562.

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Dissertations / Theses on the topic "Software Helical"

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Kaštánek, Martin. "Vstupní díl UHF přijímače s velmi nízkou spotřebou." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217183.

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The purpose of this work was to make a proposal for input parts of receiver for band 430 to 440 MHz. A model of chosen semiconductor triode BFP540 was created in simulation software. Possibilities how to decrease consumption of this semiconductor triode, keeping the profit, were investigated through the simulation.In compromise consumption, keeping the profit of the amplifier - an optimal operating point for this semiconductor triode UCE = 1,2 V and IC = 2 mA was found. It was tested through the testing wiring with noise microstrips conformity. Ascertained knowledge was used for construction of tuner for UHF receiver. An operating point of input amplifier of UHF receiver was owing to power supply amplifier forced for bigger effectiveness to UCE = 2,65 V and IC = 2,0 mA. Suppression of mirror frequency is provided with Helix filter of the third order, because of intermediate frequency 10,7 MHz. Mixing on intermediate frequency is made again by semiconductor triode BFP540. Selectivity of receiver is provided with intermediate frequency crystal filter 10,7 MHz with bandwidth 15 kHz. Designed input part enables reception of SSB, FM and digital types of modulation.Bandwidth intermediate frequency exit is adapted to this request To receive particular modulation , it is necessary to complete intermediate frequency signal way with appropriate intermediate frequency filter.
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Liang, Peter, and 梁碩芃. "Algorithm and Software System Design of Multi-Axis Surface Machining with Helical Interpolation." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/43397001559906863842.

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碩士<br>國立成功大學<br>製造工程研究所<br>87<br>Multi-axis machining is one of the important processes in precision manufacturing. It has been used in defense、aerospace and even consumer industry. With the morphological change of production, multi-axis machining had faced some new problems. Among these new problems, the size of NC program and the smoothness of interpolation curve have great effect on production efficiency. This research started with process planning, trying to solve the problem by using the helical interpolator instead of linear interpolator. A combined linear and helical interpolation algorithm was developed. It is proved by the machining of a free form surface that the algorithm developed in this research can reduce the size of NC program and machining time and increase the smoothness of machining paths within the same error limits. This effect can increase the capacity and quality for both traditional 3-axis and advanced multi-axis machines. To implement the algorithms developed in this research and use as the platform for future research, a re-use driven，component based multi-axis surface machining software system with helical interpolation is constructed by using systematic object-oriented software engineering methodology. Besides the expandability of the algorithms, the system also can be incorporate into the distributed remote manufacturing system.
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Book chapters on the topic "Software Helical"

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Pradhan, Shashikant, Hardial Singh, and Om Parkarsha. "Bending Strength Analysis of Involute Helical Gear Using FEA Software." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4684-0_66.

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Alexandru, Antal Tiberiu, and Antal Adalbert. "Determination of the geometrical dimensions of the helical gears with addendum modifications based on the specific sliding equalization model." In Advanced Techniques in Computing Sciences and Software Engineering. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-3660-5_15.

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Hasan, Nasim, Mohd Arif, and Mohaideen Abdul Khader. "Earth Air Tunnel Heat Exchanger for Building Cooling and Heating." In Heat Transfer - Design, Experimentation and Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99348.

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The computational fluid dynamic (CFD) is an influential method for measuring Heat transfer profiles for typical meteorological years. CFD codes are managed by numerical algorithms that may undertake fluid glide headaches. CFD offers the numerical results of partial differential equations with main airflow and heat transfer in a discretized association. The complex fluid glide and the warmth transfer publications worried in any heat exchanger can be determined with the help of the CFD software program (Ansys Fluent). A study states and framework which implicitly rely on the computational fluid dynamics, which is being formulated for computing the efficiency-related parameters of the thermal part and the capability of the EATHE system for cooling. A CFD simulation program is being used for modeling the system. The framework is being validated with the help of the simulation set-up. A thermal model was developed to analyze thermal energy accumulated in soil/ground for the purpose of room cooling/heating of buildings in the desert (hot and dry) climate of the Bikaner region. In this study, the optimization of EATHE design has been performed for finding the thermal performance of straight, spiral, and helical pipe earth air tunnel heat exchanger and Heat transfer rate for helical pipe was found maximum among all designs.
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Conference papers on the topic "Software Helical"

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Sekelja, Maja, Zoran Blazevic, and Marino Maslac. "Helical antenna performance in wideband communications." In 2008 16th International Conference on Software, Telecommunications and Computer Networks. IEEE, 2008. http://dx.doi.org/10.1109/softcom.2008.4669445.

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Seider, Gary L. "Bearing and Friction Design Capacity Software for Helical Anchors and Piles." In IFCEE 2015. American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479087.077.

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Park, Chan Il, and Linguo Rong. "Vibro-Acoustic Analysis of a Simple Gear Box." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12284.

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Mesh forces of helical gears produce forces and moments in bearings, which generate the housing vibration, and noise radiates. It is difficult to know the noise contribution of a gear box, because the gear box usually has very complex geometry. This work used a cylindrical shell-type gear box with end circular plates to understand the noise and vibration characteristics of a simple gear box and investigated the noise and the vibration of the helical gear box due to the force excitation. The helical gear box of this study consisted of a pairs of helical gears, shafts, bearings, and a gear box. Finite element analysis for the helical gear box calculated mode shapes and natural frequencies and the forced harmonic response by the commercial software. The models were validated by the impact test. Using the forced harmonic response, acoustic analysis was conducted by the commercial software and relations on vibration and noise were discussed.
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Chen, Chang-Nian, Ji-Tian Han, Li Shao, Tien-Chien Jen, and Yi-Hsin Yen. "Design of Equipment for Manufacturing Helically-Coiled Tubes and its Automatic Control System." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-37146.

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A simple but accurate method for manufacturing helically-coiled tubes was proposed, and the manufacturing equipment and its automatic control system were designed. The main geometric parameters of helically-coiled tubes are determined exactly based on the theorem “three given points determine a circle” and the definition of the helix angle of helically-coiled tubes. The finished equipment primarily consists of the mechanical noumenon and the automatic control system. In this design, three die wheels A, B and C made of wearable steel are used to adjust the positions of the raw materials in order to determine the product geometric parameters expected in advance. Three servo motors working with precision linear sliding rheostat and PID closed-loop control functions drive the three wheels mentioned above in different directions. The parameter e determining the base circle diameter of coil diameter is obtained by adjusting the position of wheel C up and down, and the parameter e’ determining the helix angle is obtained by adjusting the relative distance between wheel B and wheel A in the helical axis direction. The whole manufacture process is automatically controlled by a piece of software compiled by Visual Basic, including the processes of baiting and cutting, installing wheels and calibration, motor controlling, bending tubes, and product inspection etc. The design parameters for manufacturing helically-coiled tubes using SUS304 stainless steel or other similar materials are tube diameters of 6–50 mm, coil diameters of 100–700 mm and helical pitches of 10–50 mm. A total of fourteen finished products were selected as random samples for inspection. The result showed that the average working velocity was about 0.6 m/min; the root mean square errors (RMSE) of coil diameter and helical pitch of finished products were 3.85 mm and 0.97 mm, respectively; and the maximum roundness error of tubes was only 0.09 mm.
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Skiljo, Maja, and Zoran Blazevic. "Increasing the radiation efficiency and resistance of electrically small spherical helical antenna for wireless power transfer." In 2013 21st International Conference on Software, Telecommunications and Computer Networks - (SoftCOM 2013). IEEE, 2013. http://dx.doi.org/10.1109/softcom.2013.6671882.

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Cong, Wang, Qiu Jinrong, and Liao Yi. "The Preliminary Design of Compacted Heat Exchanger Based on Helical Baffles Technique." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67790.

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This paper conducted a preliminary design of heat exchanger based on helical baffles technique. The realizable k-ε turbulent model was adopted to simulate the flow properties and heat transfer in the shell side with the computational fluid dynamics software. The numerical results show that the helical baffles heat exchanger offer about 11% higher heat transfer coefficient, 6% higher pressure drop and 10% lesser heat exchanger area than of heat exchanger with segmental baffles under the same heat exchanger power. It could help achieve the goal of reducing volume of heat exchanger with helical baffles technique.
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Susnjara, Anna, Vicko Doric, Dragan Poljak, Maja Skiljo, and Zoran Blazevic. "Analysis of multiple-folded spherical helical antenna using the Galerkin-Bubnov scheme of the Boundary Element method." In 2015 23rd International Conference on Software, Telecommunications and Computer Networks (SoftCOM). IEEE, 2015. http://dx.doi.org/10.1109/softcom.2015.7314067.

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Rahman, Mosfequr, Travis Salyers, Mahbub Ahmed, Adel ElShahat, Valentin Soloiu, and Emile Maroha. "Investigation of Aerodynamic Performance of Helical Shape Vertical-Axis Wind Turbine Models With Various Number of Blades Using Wind Tunnel Testing and Computational Fluid Dynamics." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-68081.

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The demand for wind energy as a renewable source is rising substantially. A growing interest exists in utilizing potential energy conversion applications in areas with less powerful and less consistent wind conditions. In these areas, vertical-axis wind turbines (VAWTs) possess several advantages over the conventional horizontal-axis type. Savonius turbines are drag-based rotors which operate due to a pressure difference between the advancing and retreating blades. These turbines are simpler in design, less expensive to install, independent of wind direction, and more efficient at low wind speeds. In the present study, rotors were designed with semi-circle blades consisting of a helical shape with twist angle of 90 degrees. Helical designs spread the torque applied to the rotor over a complete revolution with the purpose of increasing efficiency. Three models were analyzed with different number of blades including 2, 3, and 4 blade models. Models for testing were designed using the CAD software SolidWorks. The blades were then 3D printed with PLA plastic. A consistent swept area was maintained for each model, and only blade number was varied. Subsonic, open-type wind tunnel testing was used for measuring RPM and reactional torque over a range of wind speeds. For the numerical approach, ANSYS Fluent simulations were used for analyzing aerodynamic performance by utilizing moving reference frame and sliding mesh model techniques. Due to the helical twist, the cross-section of the blades varied in the Y-direction. Because of this, a 3-dimensional and transient method was used for accurately solving torque and power coefficients. It has been found that the highest average power coefficient observed in the study is achieved by the Helical2 model (2-bladed helical design VAWT model), both numerically and experimentally.
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Zhang, K., and D. Z. Wu. "Research on the Solid-Liquid Two-Phase Flow in a Helical Groove Seal." In ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/fedsm2018-83105.

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Hydraulic machinery is widely used in delivering solid-liquid mixing medium. The abrasion and destruction caused by sediment particles occurs on the contact interface between the contacting seal elements, which has a considerable influence on the operational stability and safety. Helical groove seal is a type of non-contacting dynamic seal. Relied on the reversed pressure produced by the rotary sealing element, the helical groove seal could reduce or prevent the leakage. Such seal has a good performance even if there is a big clearance between the sealing elements, so helical groove seal has its unique advantage on solid-liquid mixing medium. However, the study of helical groove seal on solid-liquid mixing flow is very poor. In this paper, the certain conception and theoretical study of helical groove seal was introduced. With the commercial software FLUENT, the 3D internal flow of the seal was presented by using multiphase flow model. Based on the method of single variable model, the seals with different helical parameters were calculated to compare the characteristics of solid-liquid two phases flow in helical groove seals with different parameters, for example, the clearance and spiral groove depth. By this way, the relationship between structure and performance of particles-mixed helical groove seals is showed clearly, then the results can be used for design of helical groove seal structure.
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Mahdi, Qasim Saleh, Sahar A. Fattah, and Firas Jumia. "Numerical Investigation to Evaluate the Performance of Helical Coiled Tube Heat Exchanger With and Without Nanofluid." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62350.

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A numerical analysis presented out to simulate internal forced convection and temperature distribution in helical coil tube with and without nanofluid. An ANSYS FLUENT package 14.1 commercial copy with SOLID WORK and GAMBIT software program is employed. The flow pattern and temperature distribution in helical coil tube heat exchanger is studied with and without nanofluid. Numerical work included two parts: the first is included helical coil heat exchanger with optimum curvature ratio (17). An optimum helical coil pitch has been used to study the temperature distribution and flow pattern difference along the turns without nanofluid. The second part included studying the effect of using (Oxide Titanium TiO2) nanoparticle powder with 20 nm diameter dispersed in distilled water with 0.6 % volume concentrations on the same above variables. Temperature contours showed that the temperature decreased along the coil. Also there is difference in temperature between turns. After turn nine the difference become less. The results showed enhancement in the heat flow for fluid with nanofluid compared to without nanofluid.
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