Zeitschriftenartikel: „Liquid software“

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Hartman, J. J., P. A. Bigot, P. Bridges, B. Montz, R. Piltz, O. Spatscheck, T. A. Proebsting, L. L. Peterson und A. Bavier. „Joust: a platform for liquid software“. Computer 32, Nr. 4 (April 1999): 50–56. http://dx.doi.org/10.1109/2.755005.

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2

Vessey, Andrew, und Gregory Porter. „Optimization of Liquid-Handling Precision with Neptune Software on a Tecan Genesis“. JALA: Journal of the Association for Laboratory Automation 7, Nr. 4 (August 2002): 81–84. http://dx.doi.org/10.1016/s1535-5535-04-00212-6.

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The process of optimizing the precision of robotic liquid-handling instruments can be improved using the Design of Experiments methodology. Design of Experiments (DOE) is “a collection of statistical and mathematical techniques useful for developing, improving, and optimizing processes.” Using DOE one can design and analyze experiments with the goal of optimizing the precision of liquid deliveries. Tecan has developed a software application, “Neptune” to automate this process for the Tecan Genesis series of instruments. This application has been used to perform experiments on the liquid-handling properties of a variety of liquids. As an example of this process, we will examine a set of experiments performed on a 50% concentration of polyethylene glycol 8000. These experiments resulted in an improvement in the pipetting precision from an average CV of 22.2% to an average of 2.9%.

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Taivalsaari, Antero, und Tommi Mikkonen. „From Apps to Liquid Multi-Device Software“. Procedia Computer Science 56 (2015): 34–40. http://dx.doi.org/10.1016/j.procs.2015.07.179.

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4

Reijenga, Jetse C. „Training software for high-performance liquid chromatography“. Journal of Chromatography A 903, Nr. 1-2 (Dezember 2000): 41–48. http://dx.doi.org/10.1016/s0021-9673(00)00881-5.

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5

Lide, David. „Computer Software Reviews. Vapor-Liquid Equillibrium Database“. Journal of Chemical Information and Modeling 34, Nr. 3 (01.05.1994): 690–91. http://dx.doi.org/10.1021/ci00019a608.

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6

Popov, Oleksandr O., Yurii O. Kyrylenko, Iryna P. Kameneva, Anna V. Iatsyshyn, Andrii V. Iatsyshyn, Valeriia O. Kovach, Volodymyr O. Artemchuk, Valery N. Bliznyuk und Arnold E. Kiv. „The use of specialized software for liquid radioactive material spills simulation to teach students and postgraduate students“. CTE Workshop Proceedings 9 (21.03.2022): 306–22. http://dx.doi.org/10.55056/cte.122.

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The study proves relevance of specialized software use to solve problems of emergencies prevention of radioactive liquids spills to teach students and graduate students. Main assessment criteria of accidents at radiation-hazardous objects associated with radioactive liquids spillage is identified. A model of radioactive substances transport in emergency rooms is developed. It takes into account physical features of radioactive liquid spill from the source, air pollution during transition of radioactive liquid from the spill surface into the air and subsequent scattering in the emergency room under influence of local air flows. It is determined that the existing software tools for radiation exposure assessment do not comprehensively cover features of such events and possess number of shortcomings regarding accidents modeling with spillage of radioactive liquids indoors. Computer modeling and forecasting examples for hypothetical event related to liquid radioactive spill in the JRODOS system are presented. The training process of future specialists, specialties 183 “Environmental Protection Technologies”, 143 “Nuclear Energy”, 103 “Earth Sciences”, and 122 “Computer Science” should be based on application of powerful scientific and methodological training base using modern achievements in the field of digital technologies. It is advisable to supplement curricula for students` and postgraduate students’ preparation in the mentioned above specialties by studying issues related to: development of mathematical models and software for solving problems of emergencies prevention in case of radioactive liquids spills; usage of features of specialized decision software of emergencies prevention during spills of radioactive liquids.

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Polyakov, Sergey, V. Akimov, A. Polukazakov, Vladimir Zolnikov und P. Enin. „SOFTWARE FOR CONTROL SYSTEMS FOR «SMART» RESIDENTIAL BUILDING“. Modeling of systems and processes 14, Nr. 1 (20.03.2021): 58–67. http://dx.doi.org/10.12737/2219-0767-2021-14-1-58-67.

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The article deals with the issues of modeling and management of life support systems of a residential building. The resulting model of the liquid level in the tank allows you to establish the relationship between the level and the flow rate of the liquid. The results of the selection and justification of the fluid level control structure are presented. An algorithm that implements the operation of a virtual object is given. The structure of the automatic control system (ACS) of the liquid level is technically implemented in an open type. The results confirming the achievability of the proposed structural changes are obtained. The results of experimental studies are presented. The choice and justification of the method of controlling the heating system and the liquid level in the tank are considered. Programs for managing subsystems of a residential building in Assembly language, C++, and ladder diagrams are presented. A model for controlling the liquid level in a Multisim environment is proposed.

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Roncallo, Gian Franco, Kelly Johanna Barrios, Luis Guillermo Obregon, Guillermo Eliecer Valencia und Javier Cardenas Gutierrez. „Mass transfer simulation of liquid-liquid extraction systems using an educational software“. Contemporary Engineering Sciences 11, Nr. 64 (2018): 3159–66. http://dx.doi.org/10.12988/ces.2018.87316.

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9

Jeannerat, Damien. „Software tools and tutorials in liquid state NMR“. Magnetic Resonance in Chemistry 56, Nr. 6 (26.04.2018): 373. http://dx.doi.org/10.1002/mrc.4734.

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Rybin, Vyacheslav, Timur Karimov, Maria Sigaeva, Ekaterina Solomevich, Georgii Kolev und Ekaterina Kopets. „Design of a Smart Bartender with Peristaltic Pumps“. Inventions 4, Nr. 2 (01.05.2019): 26. http://dx.doi.org/10.3390/inventions4020026.

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In this paper, the development of a smart scalable system for liquid supply based on high-precision peristaltic pumps is described. The architecture of software and hardware for the proposed system is considered. This liquid supply system can be used for mixed and layered cocktail preparation in public catering establishments, such as bars, as well as for home use. Due to the flexibility and scalability of the system, it is possible to apply it in various branches of human activity, where fine dosing of liquids is required, e.g., for beverage mixing, cooking, health and medical applications. By using open architecture and software, this system can be built in a smart home environment. The cross-platform control software and an embedded Bluetooth module allow using the developed setup in various use case scenarios. The result of the project is a DIY-kit, capable of mixing 6 to 32 different liquids in specified proportions and the programmable sequence.

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Gallington, Leighanne C., Stephen K. Wilke, Shinji Kohara und Chris J. Benmore. „Review of Current Software for Analyzing Total X-ray Scattering Data from Liquids“. Quantum Beam Science 7, Nr. 2 (20.06.2023): 20. http://dx.doi.org/10.3390/qubs7020020.

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The popularity of the pair distribution function (PDF) analysis of X-ray total scattering data has steadily grown as access to ex situ synchrotron data has expanded. Due to the broadening of the PDF user community, there is a growing demand for software that can be used to extract PDFs and is accessible to non-expert users. While user-friendly options have been developed over the past decade for fast, streamlined data analysis, care must be taken in both processing the data and understanding any limitations, especially in the case of liquids. In this review, the same scattering data are analyzed using different total X-ray scattering software, in order to compare the accuracy of the extracted structure factors and associated pair distribution functions. The goal is to assess the best practices for extracting the most accurate liquid data for each software package. The importance of absolute normalization and the application of the most appropriate corrections are emphasized via quantitative comparisons between liquid sulfur and water. Additionally, an awareness of the competing conventions used to define the PDF in crystallography and liquids/glasses is crucial for both the downstream analyses of the data and a comparison with the previous results in the literature.

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Yang, Tingting, Meng Qin, Nan Cheng, Wenchao Xu und Lian Zhao. „Liquid Software-Based Edge Intelligence for Future 6G Networks“. IEEE Network 36, Nr. 1 (Januar 2022): 69–75. http://dx.doi.org/10.1109/mnet.011.2000654.

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Berezovskaya, I. E. „INVESTIGATION OF THE INFLUENCE OF LIQUID FUEL INJECTION RATE ON THE COMBUSTION PROCESS USING KIVA–II SOFTWARE“. Eurasian Physical Technical Journal 20, Nr. 3(45) (21.09.2023): 43–51. http://dx.doi.org/10.31489/2023no3/43-51.

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In this work, the ignition of liquid fuel was studied at various rates of fuel injection into the combustion chamber. The studied processes are described by the following equations: continuity, momentum, energy, k-ɛ turbulence model and others. The computational experiment was carried out using the KIVA-II software. The numerical method is efficient and takes into account various factors such as multistage chemical chain reactions, transfer of momentum, heat and mass by convection, radiation, turbulence, etc. In order to select the optimal parameters of the organization of these processes influence of the heptane injection rate into the combustion chamber on the process of combustion and self-ignition of heptane was studied. The injection rate of heptane varied from 160 m/s to 400 m/s an interval of 30 m/s. The size and temperature distributions of heptane droplets before evaporation, the concentration fields of carbon dioxide, and the temperature fields in the combustion chamber depending on the rate of fuel injection through the injector into the combustion chamber were obtained. The optimal range of heptane injection speed was determined, which is 250 m/s - 280 m/s, in order to increase the efficiency of the combustion chamber and reduce the negative impact on the environment.

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Li, Ke, Jin Li Zhang und Hai Xing Zhao. „The Design of Double Liquid Zoom Lens’ Model Based on Electrowetting Effect“. Applied Mechanics and Materials 84-85 (August 2011): 436–41. http://dx.doi.org/10.4028/www.scientific.net/amm.84-85.436.

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The electrowetting effect is one physical chemistry phenomenon, it through adds certain external voltage in the solid - liquid contact surface to change the liquid to the solid moist degree, thus changing the contact angle of liquids and solids. In this article double liquid zoom lens are based on this kind of electrowetting effect. Optics focal variation system realizes the focal variation to satisfy two basic conditions[2]: (1) changing the focal distance; (2) maintaining the image plane position invariance. The single liquid zoom lens cannot maintain the position of the image formation surface invariance, this article takes on the electrowetting effect double liquid zoom lens as a foundation, and designs to realize new optical systems without mechanical movement focal variation using the motor control, and through MATLAB software simulation inferential reasoning the result.

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Marić, Andrea, Nelu Blaž, Mirjana S. Damnjanović, Goran Radosavljević und Ljiljana Živanov. „Capacitance Dependence of Interdigital Capacitor on Amount and Type of Applied Liquid“. Key Engineering Materials 543 (März 2013): 223–26. http://dx.doi.org/10.4028/www.scientific.net/kem.543.223.

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In this paper design and fabrication of three types of interdigital capacitors are discussed, as well as influence of the liquid amount on their capacitance, and possibility of liquid type determination by using the fabricated structures. For faster and more reliable determination of capacitance in dependence of capacitor dimension and used substrate, a software tool called INDICON was developed. Capacitance of three structures fabricated in conventional PCB technology was determined by measuring S-parameters. Measurements were also performed by adding the exact amount of liquids on the capacitor surface. In addition, capacitance value in dependence of liquid amount is presented and possibility of applying this structure for detection of liquid amount is analyzed. Also, capacitance value in dependence of used liquid types was shown. For all measured and calculated values good agreement is achieved.

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Shen, Hua Dong, und Xin Hua Xiao. „The Software Design of a Gas-Liquid Separation and Metering System“. Advanced Materials Research 383-390 (November 2011): 5286–91. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.5286.

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On many occasions, gas phase and liquid phase of original mixture needed to be measured in the processes of petroleum, chemical, natural gas and other industry. A system of gas-liquid separation and metering were studied deeply in this paper. Kingview was taken as the software of the system. It realized dynamic show of the system state and generated various reports. Three of the functional modules were mainly introduced in the software design. The nucleus part of the system was the PID module. Its function was to regulate the aperture of the valve properly. The interface design of supervisory and report management is also described in detail. The testing on the spot has proved that system function and accuracy can meet the needs completely. The system has the characteristics of reasonable structure and stable performance. It provided a better solution to the means of gas-liquid separation.

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Deng, Ziyan. „Status of JUNO Simulation Software“. EPJ Web of Conferences 245 (2020): 02022. http://dx.doi.org/10.1051/epjconf/202024502022.

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The JUNO (Jiangmen Underground Neutrino Observatory) experiment is a multi-purpose neutrino experiment designed to determine the neutrino mass hierarchy and precisely measure oscillation parameters. It will be composed of a 20k ton liquid scintillator (LS) central detector equipped with about 18000 20-inch photon-multipliers (PMTs) and 25000 3-inch PMTs, a water Cherenkov detector with about 2000 20-inch PMTs, and a top tracker. Monte-Carlo simulation is a fundamental tool for optimizing the detector design, tuning reconstruction algorithms, and performing physics study. The status of JUNO simulation software will be presented, including generator interface, detector geometry, physics processes, MC truth, pull-mode electronic simulation.

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Fu, Xian Cheng, Rui Song und Guo Jun Wen. „Design of Industrial LCD Terminal System for Intelligent Image Display“. Advanced Materials Research 424-425 (Januar 2012): 35–38. http://dx.doi.org/10.4028/www.scientific.net/amr.424-425.35.

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This article discusses that the design technique of LCD terminal system for intelligent image display based on an 89C51 microcontroller. The system includes both hardware and software parts. Hardware part consists of liquid crystal display module, flash memory module and serial communication module; software part includes liquid crystal display programming, reading/writing programming of memory chip, serial communication programming, and host computer software

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Duan, Xiao Long, und Xiao Yong Liu. „Noise Prediction of Liquid Rocket Engine by the Software AutoSEA2“. Advanced Materials Research 466-467 (Februar 2012): 794–98. http://dx.doi.org/10.4028/www.scientific.net/amr.466-467.794.

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Because of the high-cost of the spaceflight launching, the reliability of the payload must be ensured in the high level acoustic energy produced by the first stage rocket engine. It’s the base for ensuring the normal work of the instruments during the lift-off. In this paper, the exhaust noise and the specific sound field produced by the liquid rocket engine on the ground-test system were measured, and the statistical energy analysis model was built to predict the noise environment of the rocket engine. In order to obtain the noise spectrum loaded on the fairing and the instrument cabin during the lift-off, two measurements were made and some measuring locations were set for each test. During the testing, the sound pressure level around the engine spout and the corresponding heights of the payload cabin were measured. By comparing the data derived from different measuring locations for the same measurement and the different measurements for the same location, the characteristics of the noise field was obtained. Results showed that the measured data agreed well with the predicted data used AutoSEA2 software.

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Trochu,, F., P. Ferland, und R. Gauvin,. „Functional Requirements of a Simulation Software for Liquid Molding Processes“. Science and Engineering of Composite Materials 6, Nr. 4 (Dezember 1997): 209–18. http://dx.doi.org/10.1515/secm.1997.6.4.209.

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Guillemin, C. L. „Software driven instrumentation. Application to on-line process liquid chromatography“. TrAC Trends in Analytical Chemistry 8, Nr. 7 (August 1989): 273–76. http://dx.doi.org/10.1016/0165-9936(89)80041-x.

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Krylov, A. S., A. V. Vvedensky, A. M. Katsnelson und A. E. Tugovikov. „Software package for determination of surface tension of liquid metals“. Journal of Non-Crystalline Solids 156-158 (Mai 1993): 845–48. http://dx.doi.org/10.1016/0022-3093(93)90083-a.

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Fernandes, Fabiano A. N., und Sueli Rodrigues. „Educational software for gas-solid and liquid-solid separation equipment“. Computer Applications in Engineering Education 11, Nr. 4 (2003): 226–32. http://dx.doi.org/10.1002/cae.10051.

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Palagi, Patricia M., Daniel Walther, Manfredo Quadroni, Sébastien Catherinet, Jennifer Burgess, Catherine G. Zimmermann-Ivol, Jean-Charles Sanchez, Pierre-Alain Binz, Denis F. Hochstrasser und Ron D. Appel. „MSight: An image analysis software for liquid chromatography-mass spectrometry“. PROTEOMICS 5, Nr. 9 (Juni 2005): 2381–84. http://dx.doi.org/10.1002/pmic.200401244.

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Zhang, Shiying, Ke Zhang, Bo Song, Wenda Yu und Dong Li. „Dynamic Modeling and CAE Cosimulation Method for Heavy-Duty Concrete Spreader“. Advances in Civil Engineering 2021 (29.03.2021): 1–12. http://dx.doi.org/10.1155/2021/5548678.

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This paper presents the dynamic model of heavy-duty concrete spreader with liquid-solid rigid-flexible coupling by means of mathematical modeling and CAE cosimulation. The mathematical method of liquid-solid dynamic model of heavy-duty concrete spreader is described. Based on the liquid-solid coupling system, two degrees of freedom are added to change the model into a liquid-solid rigid-flexible coupling model, and the calculation process of the model is given in detail. The results show that, considering two flexible body factors, the solution scale is relatively large and the complexity of mathematical model derivation is increased. It is very difficult to establish a general dynamic equation which can be easily solved by computer. Therefore, this paper presents a new method of CAE cosimulation of liquid-solid rigid-flexible coupling. This method is divided into two parts: the computer simulation process of liquid-solid coupling and the computer simulation process of rigid-flexible coupling. First, the fluid-solid coupling is carried out by COMSOL software, and then the rigid-flexible coupling is carried out by HyperMesh software, Ansys software, and Adams software. This method can easily establish the dynamic model of the liquid-solid rigid-flexible coupling system, which provides a new idea for the simulation of heavy-duty concrete spreader. The simulation results can provide valuable insights into product design and structural optimization.

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Zhang, Ming, Rui Jiang, Chun Yang und Li Cao. „Study on Dynamic Simulation of Buffering Mechanism with Liquid Bag“. Applied Mechanics and Materials 397-400 (September 2013): 546–50. http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.546.

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The finite element model of buffering mechanism with liquid bag is constructed using finite element software MSC. Patran. The liquid bag is clamped between the inner part and outer part, and the contact relation is modeled by contact method in the finite element software MSC. Dytran. An airbag module in MSC. Dytran is used to simulate the buffering effect of the liquid bag equivalently. Then dynamic simulation results is presented and compared with the experimental results. The validity of the model is verified and contributes to further analyses of liquid bag.

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Kadhim, Riadh Adnan, Abdul Kareem Kasim Abdul Raheem und Sabah Abdul Hassan Gitaffa. „IMPLEMENTING OF LIQUID TANK LEVEL CONTROL USING ARDUINO-LABVIEW INTERFACEING WITH ULTRASONIC SENSOR“. Kufa Journal of Engineering 8, Nr. 2 (17.07.2017): 29–41. http://dx.doi.org/10.30572/2018/kje/821172.

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The aim of this paper Â is to use an economical technology to built the liquid tank level control the liquid level using arudino UNO microcontroller as data acquisition with LabView software interfacing with ultrasonic sensor. The ultrasonic sensor is used for better accuracy and stability in different conditions. The front panel of labview is display the liquid level in the tank, and the status of motor, (ON or OFF) depending on the level of the liquid. The developed system is highly flexible and easy in controlling the liquid tank level. The mathematical model of the system, MATLAB simulation results have been achieved using software.

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Hadj Seyd, A., und T. Lanez. „Contribution to the development of a simulation software performance and sharing ratio in liquid-liquid extraction“. Journal of Fundamental and Applied Sciences 3, Nr. 2 (04.09.2015): 169. http://dx.doi.org/10.4314/jfas.v3i2.6.

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Petrenko, Yuriy Antonovych, Darya Andriivna Kostyrya und Dmitry Vladimirovich Ashirov. „Technology of synthesis of the liquid dosing system“. Bulletin of Kharkov National Automobile and Highway University, Nr. 93 (27.05.2021): 19–25. http://dx.doi.org/10.30977/bul.2219-5548.2021.93.0.19.

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There are a large number of different solutions for dosing liquid products on the world market today. There is no universal technology because the same substances can be dosed on different types of equipment. Thus, the manufacturer faces a difficult task: what type of equipment will be the most optimal for this purpose. These questions are a complex multicriteria scientific task, for the effective solution of which it is necessary to develop a technology for the synthesis of the system of authorization of fluid dosing using methods of multicriteria optimization in different conditions of information certainty. Goal. To develop the technology of synthesis of the liquid dosing system, which will allow to make a scientifi-cally based decision on the choice of hardware and software for the liquid dosing system in different conditions of information certainty. Methodology. The criteria for the selection of hardware and soft-ware for liquid dosing automation systems have been substantiated in the work. Based on the analysis of existing decision-making methods in different condi-tions of information certainty, mathematical models of hardware and software selection for fluid dosing automation have been developed, a physical model of liquid dosing system on the Arduino NANO / UNO microprocessor platform has been built. Results. The developed technology of liquid dosing system allows to determine the features of the project of synthesis of liquid dosing automation systems, develop models of hardware and software selection of liquid dosing automation systems. Originality. Methods using multicriteria optimization methods in different conditions of information certainty due to their extension to a new subject area were further developed. Math-ematical models of hardware and software selection for fluid dosing automation system have been devel-oped. Practical value. The theoretical results obtained are confirmed by building of a physical model of the liquid dosing system on the platform of the Arduino NANO / UNO microprocessor

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Mangestiyono, Wiji. „DESAIN AIRFOIL MENGGUNAKAN SOFTWARE CAEDIUM“. Gema Teknologi 17, Nr. 1 (01.10.2012): 10. http://dx.doi.org/10.14710/gt.v17i1.8910.

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Wiji Mangestiyono, in paper airfoil design use caedium software explain that caedium and its add-ons combine to form an easy-to-use Computational Fluid Dynamics (CFD) software system that can help to assess the performance of 3D model. Using Caedium add-ons can create any 2D or 3D geometry or import geometry from another CAD package. Then simulate how a gas (e.g. air) or liquid (e.g. water) will flow over and through geometry. Caedium is simple to learn and efficient to use. Every body can study how the physics of its model changes over time or as modify the model in real time. Caedium's unified simulation environment makes it easy to change the model on the fly and quickly see the results of the changes. Keywords : Caedium, Airfoil, Computation Fluid Dynamics

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Dudlik, A., S. B. H. Schönfeld, O. Hagemann und H. Fahlenkamp. „Water hammer and cavitational hammer in process plant pipe systems“. Kerntechnik 68, Nr. 3 (01.06.2003): 91–96. http://dx.doi.org/10.1515/kern-2003-0047.

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Abstract Fast acting valves are often applied for quick safety shut-down of pipelines for liquids and gases in the chemical and petrochemical industry as well as in power plants and state water supplies. The fast deceleration of the liquid leads to water hammer upstream the valve and to cavitational hammer downstream the fast closing valve. The valve characteristics given by manufacturers are usually measured at steady state flow conditions of the liquid. In comparison, the dynamic characteristics depend on the initial liquid velocity, valve closing velocity, the absolute pipe pressure and the pipe geometry. Fraunhofer UMSICHT conducts various test series examining valve dynamic characteristics in order of the dynamic analysis of pressure surges in fast closing processes. Therefore a test rig is used which consists of two pipelines of DN 50 and DN 100 with an approximate length of 230 m each. In this paper the results of performed pressure surge experiments with fast closing and opening valves will be compared to calculations of commercial software programs such as MONA, FLOWMASTER 2. Thus the calculation software for water supply, power plants, oil and gas and chemical industry can be permanently improved.

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Ding, Hui, Yan Jin, Zhi Bing Tian und Dan Jiang Wu. „Thermodynamics Analysis of Hot Metal Dephosphorization Flux Reaction Process“. Advanced Materials Research 402 (November 2011): 354–57. http://dx.doi.org/10.4028/www.scientific.net/amr.402.354.

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In this paper, CaO-Fe2O3-CaCl2and CaO-Fe3O4-CaCl2system dephosphorizer depho- -sphorization of the thermodynamics of the use of FactSage thermodynamic calculation software Equilib module of hot metal dephosphorization flux and the balance between the response calculated, to find the right dephosphorizer dephosphorization ratio and the conditions for optimal phosphorus removal. First of all, by the beginning of slag and the final calculated optical basicity slag and phosphate capacity, calculated on the balance FactSage software phosphorus content mapping, and comparative analysis. Followed by software at different temperatures to calculate the iron liquid, liquid slag, slag liquid solid phase of calcium phosphate and calcium phosphate and quality data on the thermodynamic equilibrium temperature mapping analysis..

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Konstantinov, O. V. „Control of a reservoir partially filled with liquid based on Gauss's principle of least constraint (deceleration task)“. Bulletin of Taras Shevchenko National University of Kyiv. Series: Physics and Mathematics, Nr. 1 (2019): 86–89. http://dx.doi.org/10.17721/1812-5409.2019/1.19.

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The task of constructing control for the motion of a given reservoir - a liquid with a free surface mechanical system is provided in the presence of constant perturbations - the oscillations of the free surface of the liquid. To construct the control, the principle of the least coaxing of Gauss was used, which allows to minimize the control load and implement the given laws of the software movement. The control calculation was carried out on the basis of a simplified linear model with two degrees of freedom, which allowed the control function to be obtained in analytical form for various software laws (including nonlinear) movement of the reservoir and free surface of the liquid. The tank partially filled with a liquid, which initially moves evenly at a given speed, must be completely stopped at a given time. The control, constructed for the implementation of linear software laws of motion, can be used only to provide "comfortable" movements of the reservoir, that is, in the absence of large disturbances of the free surface of the liquid. In order to ensure the movement of the reservoir in the presence of highly intense loads, it is necessary to introduce nonlinear software motion laws for obtaining and using a nonlinear control law.

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Bobovnik, Gregor, Tim Mušič und Jože Kutin. „Liquid Level Detection in Standard Capacity Measures with Machine Vision“. Sensors 21, Nr. 8 (10.04.2021): 2676. http://dx.doi.org/10.3390/s21082676.

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Capacity measures are commonly used volume standards for testing measuring systems for liquids other than water. Manual readings from the measuring scale can often be difficult due to the location of the capacity measure or to the nature of the measured liquid. This article focuses on the automation of this procedure by using a single camera machine vision system. A camera positioned perpendicular to the transparent neck captures the image of the liquid meniscus and the measuring scale. The volume reading is determined with the user-defined software in the LabVIEW programming environment, which carries out the image preprocessing, detection of the scale marks and the liquid level, correction of lens distortion and parallax effects and final unit conversions. The realized measuring system for liquid level detection in standard capacity measures is tested and validated by comparing the automated measurement results with those taken by the operators. The results confirm the appropriateness of the presented measuring system for the field of legal metrology.

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Vásquez, R. A., und F. S. Costa. „SPRAY CONE ANGLES GENERATED BY A DUAL CENTRIFUGAL INJECTOR“. Revista de Engenharia Térmica 13, Nr. 1 (30.06.2014): 36. http://dx.doi.org/10.5380/reterm.v13i1.62067.

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A dual pressure swirl injector is characterized by two independent concentric chambers which can provide independent rotational levels to a single liquid or two different liquids. This paper compares theoretical, semi-empirical and experimental results concerning the spray cone angles formed by injection of water, ethanol and biodiesel through a dual pressure swirl injector. Data are obtained for injection of the same liquid through the primary and secondary chambers and for injection of ethanol in the primary chamber and biodiesel through the secondary chamber of the injector. Experimental data are obtained using photographic techniques and are analyzed by an image processing software developed in Matlab language.

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Heredero, C. De Pablos, und D. López Berzosa. „Free Software Implementation Experiences for the Promotion of the Liquid Society“. International Journal of Digital Literacy and Digital Competence 1, Nr. 3 (Juli 2010): 36–47. http://dx.doi.org/10.4018/jdldc.2010070104.

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Information and communication technologies have changed the way in which citizens interact with Public Administrations. Digital literacy is key for the development of the Liquid Society, and Public Administrations must take the lead in promoting more efficient, universal, and user oriented public services. The migration to open source standards allows Public Administration to offer more democratic, universal, and efficient channels for establishing relationships with citizens. In this article, the authors present international experiences that show how certain Public Administrations have migrated to open source software to promote digital literacy in the contexts they are operating. The final results depend on contextual and organizational factors, including the need to change, the political support and the existence of available technological resources, the organizational climate, motivation levels of human resources, and the kind of leadership for the project or the organizational complexity. Change efforts have strategic and organizational impacts that the organization must evaluate beforehand.

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Sanyuan, Guan, und Xie Yuanming. „Instrumentation and Software for Low-Level Liquid Scintillation Counting Radiocarbon Dating“. Radiocarbon 34, Nr. 3 (1992): 374–80. http://dx.doi.org/10.1017/s0033822200063566.

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In China, the development of 14C dating is closely related to that of liquid scintillation counting (LSC). New demands are continuously made on LSC by 14C dating, and at the same time, the development of LSC promotes 14C dating. Benzene synthesis for 14C sample preparation was first developed in China in 1974 by the 14C Laboratory of the Department of History, Peking University. This has laid the foundation for 14C dating by β counting with LS counters. Initially, we used a modified conventional LS counter. Despite its poor detection efficiency and high background, it did make a great contribution to 14C dating and LSC in China. Additional 14C laboratories were established for the fields of archaeology, geology, geography, vertebrate paleontology, marine geology and seismology, for which 14C dating is becoming an important research tool. At present, over 50 14C laboratories have been established in China; 90% of the labs use LS counters for β counting, most of which are manufactured in China. 14C dating in China has been primarily concerned with sample synthesis techniques. Since 1979, we have developed three types of LS counters. One is of conventional design; the others are with anticoincidence shielding. We describe here an anticoincidence-shielded LS counter.

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Shahdi, Arya, und Ekarit Panacharoensawad. „SP-Wax: Solid–liquid equilibrium thermodynamic modeling software for paraffinic systems“. SoftwareX 9 (Januar 2019): 145–53. http://dx.doi.org/10.1016/j.softx.2019.01.015.

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Olafsson, Arna, und Michaela Pagel. „The Liquid Hand-to-Mouth: Evidence from Personal Finance Management Software“. Review of Financial Studies 31, Nr. 11 (25.04.2018): 4398–446. http://dx.doi.org/10.1093/rfs/hhy055.

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Wu, Chueh-Yu, Keegan Owsley und Dino Di Carlo. „Rapid Software-Based Design and Optical Transient Liquid Molding of Microparticles“. Advanced Materials 27, Nr. 48 (28.10.2015): 7970–78. http://dx.doi.org/10.1002/adma.201503308.

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Kazmi, Bilal, Awan Zahoor, Hashmi Saud und Zafar Khan Ghouri. „Desulfurization Of The Dibenzothiophene (DBT) By Using Imidazolium-Based Ionic Liquids(Ils)“. Materials Physics and Chemistry 1, Nr. 2 (22.05.2019): 1. http://dx.doi.org/10.18282/mpc.v1i2.571.

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In this work we examined the industrial scale extraction process of ultra-low sulfur diesel with the help of simulation software ASPEN Plus®. This work focuses on the [Cnmim] [BF4] (imidazolium-based) ionic liquid and employed it in the extractive desulfurization of the dibenzothiophene (DBT) from the model diesel fuel under a very mild process condition. UNIFAC (uniquasi functional activity) was chosen as the thermodynamic method to model the ionic liquid on ASPEN Plus® and different physical and chemical properties were then taken from the literature to be incorporated in the simulation model. Different parametric analysis was studied for the removal of thiophene-based compounds from the model diesel. The results acquired shows the significance of imidazolium-based ionic liquids (ILs) for the extraction of S-contents from the liquid fuels at an optimal process conditions of 40 ℃ and 2 bar pressure with the 2.8: 1 ratio of ionic liquid and model diesel which validates the experimental results obtained previously in the literature.

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Silva, Leonete Cristina de Araújo Ferreira Medeiros, Talita Kênya Oliveira Costa, Beatriz Azevedo, Cláudia Bezerra Silva, Raquel Revoredo Pinheiro Souza und Talison Kennedy Oliveira Costa. „Liquid-liquid equilibrium for water furfural extraction using different solvents and temperatures in the software aspen plus“. Brazilian Journal of Development 6, Nr. 6 (2020): 36035–45. http://dx.doi.org/10.34117/bjdv6n6-230.

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Kamiński, Kamil, Laurence R. Weatherley und Jerzy Petera. „Application of numerical modelling to scaling-up of electrically induced extraction from an organic mixture using an ionic liquid“. Chemical and Process Engineering 37, Nr. 1 (01.03.2016): 133–48. http://dx.doi.org/10.1515/cpe-2016-0013.

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Abstract Liquid-liquid extraction provides an environmentally friendly process as an alternative to azeotropic distillation, pervaporation and reverse osmosis because these techniques require the use of large amounts of energy, may involve volatile organic compounds, and operation at high pressure. Ionic liquids (ILs) continue to gain wide recognition as potential environmentally friendly solvents due to their unique properties. However due to their current high cost, their use in industry is seriously limited without an efficient methodology for recovery and recycle. In this paper we describe an innovative methodology for a liquid-liquid extraction process based on an electrically induced emulsion of an ionic liquid as the extracting solvent dispersed in an organic mixture. This offers a most efficient exploitation of the solvent. On the other hand we present our own design of a pilot (semi-industrial) scale extractor based on this methodology and which demonstrates effective recovery of the ionic liquid. In order to achieve this goal we used a numerical modelling tool implemented using our own simulation software based on the finite element method. We also used our original previous experience with generating and investigating liquid-liquid electrosprays using phase Doppler anemometry. Finally we present recommendations for contactor geometry and for the preferred operating conditions for the extractor.

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Rondon, Patrick M., Ming Kawaguci und Ranjit Jhala. „Liquid types“. ACM SIGPLAN Notices 43, Nr. 6 (30.05.2008): 159–69. http://dx.doi.org/10.1145/1379022.1375602.

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Kou, Jie, und Zhaoyang Li. „Numerical Simulation of New Axial Flow Gas-Liquid Separator“. Processes 10, Nr. 1 (29.12.2021): 64. http://dx.doi.org/10.3390/pr10010064.

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At present, most of the incoming liquids from the oilfield combined stations are not pre-separated for natural gas, which makes the subsequent process of oil-water separation less effective. Therefore, it is necessary to carry out gas-liquid separation. A new type of axial flow gas-liquid separator was proposed in this paper. The numerical simulation was carried out by CFD FLUENT software, and the changes of concentration field, velocity field and pressure field in the axial flow gas-liquid separator were analyzed. It was found that there were gas-liquid separation developments and stabilization segments in the inner cylinder of the separator. The axial velocity will form a zero-speed envelope in the inner cylinder, and the direction of the velocity in front of and behind the zero-speed envelope was opposite. The tangential velocity showed a “W” shape distribution in the radial position of the inner cylinder. The pressure on the left wall of the guide vane was higher than that on the right side. Therefore, the left wall was more likely to be damaged than the right wall.

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Vempati, Bhadraiah, Mahesh V. Panchagnula, Alparslan Öztekin und Sudhakar Neti. „Numerical Investigation of Liquid-Liquid Coaxial Flows“. Journal of Fluids Engineering 129, Nr. 6 (08.12.2006): 713–19. http://dx.doi.org/10.1115/1.2734223.

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This paper presents numerical results of the interfacial dynamics of axisymmetric liquid-liquid flows when the denser liquid is injected with a parabolic inlet velocity profile into a coflowing lighter fluid. The flow dynamics are studied as a function of the individual phase Reynolds numbers, viscosity ratio, velocity ratio, Bond number, and capillary number. Unsteady, axisymmetric flows of two immiscible fluids have been studied using commercial software, FLUENT® with the combination of volume of fluid (VOF) and continuous surface force (CSF) methods. The flows have been categorized as “flow-accelerated regime (FAR) and “flow-decelerated regime” (FDR) based on acceleration/deceleration of the injected fluid. The injected jet diameter decreases when the average inlet velocity ratio is less than unity. The outer fluid velocity has a significant effect on the shape and evolution of the jet as it progresses downstream. As the outer liquid flow rate is increased, the intact jet length is stretched to longer lengths while the jet radius is reduced due to interfacial stresses. The jet radius appears to increase with increasing viscosity ratio and ratio of Bond and capillary numbers. The results of numerical simulations using FLUENT agree well with experimental measurements and the far-field self-similar solution.

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Sudrajat, Bagus Agang. „Kinetic Study of Esterification Using Ionic Liquid Catalyst“. Reaktor 20, Nr. 3 (13.10.2020): 138–49. http://dx.doi.org/10.14710/reaktor.20.3.138-149.

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Biodiesel offers better combustion efficiency, lower sulfur content and aromatic compounds, higher cetane numbers than diesel fuel, biodegradable and renewable properties that are not possessed by conventional fuels such as diesel fuel. This study aims to study the esterification process of Cotton Seed oil using liquid ionic catalyst 1-Butyl-3-MethydidazoliumHexafluorophosphate (BMIM-PF6) which is simulated by MATLAB 2014 software to compare the kinetic model and the reaction order between the experiment and simulation results with 3% liquid ionic catalyst , then test the validity of the reaction kinetic models. The validation results of reaction kinetic models for experiments and simulations provide an adjacent correlation value, that is R2 = 0.99526, with the reaction speed value (k) based on experimental data are 0.003815 and 0.0038 for the simulation data. Based on the simulation results, the proper reaction order for this esterification reaction is the first order reaction equation with a value of R2 = 0.99526, while the second order reaction gives the value R2 = 0.89453. The reaction kinetics parameters obtained from the experimental results are A = 0.012 and -Ea = -0.437, while the reaction parameters of the simulation are A = 1.0384 and -Ea = -89.5.

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Nicolae, Marilena, Bogdan Doicin, Cristian Patrascioiu und Emil Pricop. „Liquid-liquid Equilibrium Determination and Data Correlation for 2,2,4-trimethyl Pentane - tripropylene Glycol Binary System“. Revista de Chimie 71, Nr. 1 (07.02.2020): 155–71. http://dx.doi.org/10.37358/rc.20.1.7827.

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Liquid-liquid equilibrium at temperatures between 293.16K and 353.1K for the mixture of 2,2,4-trimethylpentane + 2- [2- (2-Hydroxypropoxy) propoxy] -1-propanol was determined using the cloud point method. The measured data was used to estimate the binary interaction parameters of NRTL thermodynamic model, through non-linear regression using MATLAB� software. The binary interaction parameters resulting from regression were used further in a chemical simulation software (PRO/II 9.3) to determine the LLE for the studied mixture. The LLE calculation results obtained with the NRTL model were compared with the results of LLE calculations using the predictive thermodynamic model-UNIFAC. It was determined that the results of the calculation of the LLE using binary interaction parameters obtained through regression have a smaller deviation from the experimental data than the results of the calculation performed using the UNIFAC model. Moreover, the binary interaction parameters obtained from regression were utilized for the estimation of the solvency properties of tripropylene glycol considering the extraction of C8 aromatics from a mixture containing 2,2,4-trimethyl pentane, ethylbenzene and xylenes.

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Iliyasu, Abdullah M., Farhad Fouladinia, Ahmed S. S. Salama, Gholam Hossein Roshani und Kaoru Hirota. „Intelligent Measurement of Void Fractions in Homogeneous Regime of Two Phase Flows Independent of the Liquid Phase Density Changes“. Fractal and Fractional 7, Nr. 2 (10.02.2023): 179. http://dx.doi.org/10.3390/fractalfract7020179.

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Determining the amount of void fraction of multiphase flows in pipelines of the oil, chemical and petrochemical industries is one of the most important challenges. Performance of capacitance based two phase flow meters highly depends on the fluid properties. Fluctuation of the liquid phase properties such as density, due to temperature and pressure changes, would cause massive errors in determination of the void fraction. A common approach to fix this problem is periodic recalibration of the system, which is a tedious task. The aim of this study is proposing a method based on artificial intelligence (AI), which offers the advantage of intelligent measuring of the void fraction regardless of the liquid phase changes without the need for recalibration. To train AI, a data set for different liquid phases is required. Although it is possible to obtain the required data from experiments, it is time-consuming and also incorporates its own specific safety laboratory consideration, particularly working with flammable liquids such as gasoline, oil and gasoil. So, COMSOL Multiphysics software was used to model a homogenous regime of two-phase flow with five different liquid phases and void fractions. To validate the simulation geometry, initially an experimental setup including a concave sensor to measure the capacitance by LCR meter for the case that water used as the liquid phase, was established. After validation of the simulated geometry for concave sensor, a ring sensor was also simulated to investigate the best sensor type. It was found that the concave type has a better sensitivity. Therefore, the concave type was used to measure the capacitance for different liquid phases and void fractions inside the pipe. Finally, simulated data were used to train a Multi-Layer Perceptron (MLP) neural network model in MATLAB software. The trained MLP model was able to predict the void fraction independent of the liquid phase density changes with a Mean Absolute Error (MAE) of 1.74.

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Ratle, Frédéric, Vincent Achim und François Trochu. „Evolutionary operators for optimal gate location in liquid composite moulding“. Applied Soft Computing 9, Nr. 2 (März 2009): 817–23. http://dx.doi.org/10.1016/j.asoc.2008.05.008.

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