Academic literature on the topic 'Middle square generator'

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Journal articles on the topic "Middle square generator"

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Hana, Ali-Pacha, Hadj-Said Naima, Ali-Pacha Adda, Afendee Mohamed Mohamad, and Mamat Mustafa. "Cryptographic adaptation of the middle square generator." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 6 (2019): 5615–27. https://doi.org/10.11591/ijece.v9i6.pp5615-5627.

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Currently, cryptography plays a major role in various computer and technological applications. With the high number of internet users, the use of cryptography to provide information security has become a priority. Several applications such as e-mails, electronic banking, medical databases and e-commerce require the exchange of private information. While, if the connection is not secure, this sensitive information can be attacked. The best-known cryptographic systems rely on the generation of random numbers, which are fundamental in various cryptographic applications such as key generation and
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Ali-Pacha, Hana, Naima Hadj-Said, Adda Ali-Pacha, Mohamad Afendee Mohamed, and Mustafa Mamat. "Cryptographic adaptation of the middle square generator." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 6 (2019): 5615. http://dx.doi.org/10.11591/ijece.v9i6.pp5615-5627.

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<span lang="EN-US">Currently, cryptography plays a major role in various computer and technological applications. With the high number of internet users, the use of cryptography to provide information security has become a priority. Several applications such as e-mails, electronic banking, medical databases and e-commerce require the exchange of private information. While, if the connection is not secure, this sensitive information can be attacked. The best-known cryptographic systems rely on the generation of random numbers, which are fundamental in various cryptographic applications su
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Budiman, Arif, Efori Bulolo, and Imam Saputra. "Middle Square Method Analysis of Number Pseudorandom Process." IJICS (International Journal of Informatics and Computer Science) 4, no. 2 (2020): 35. http://dx.doi.org/10.30865/ijics.v4i2.1386.

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Random numbers can be generated from a calculation of mathematical formulas. Such random numbers are often referred to as pseudo random numbers, random numbers are used for various algorithms, especially cryptographic algorithms such as AES, RSA, IDEA, GOST that require the use of Middle-Square Method random numbers which is very useful for adding research references to algorithms concerning random number generator and better understand how random numbers are generated using the Middle-Square Method algorithm. Both data collection and report making as for the objectives achieved in the form of
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Hou, Shun Li, and Xiong Bo Su. "Numerical Simulation of Inner Flow Yield of Turbulence Generator of Papermachine Headbox and Structure Optimal Design." Applied Mechanics and Materials 65 (June 2011): 70–74. http://dx.doi.org/10.4028/www.scientific.net/amm.65.70.

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Turbulence generator is a key part of head box of middle or high speed papermachine. It is used to make the fiber flow smooth and steady. This paper gives simulation researches of the flow status on one turbulent tube of combined-turbulence generator, result shows that there is an optimal rate between the square tube and its equivalent diameter for Round-Square turbulence generator, and the equivalent diameter is 6.5. This guides the design of turbulence generator significantly.
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Zhu, Guangyi, Yajun Zhu, Martin Kaufmann, Tiancai Wang, Weijun Liu, and Jiyao Xu. "An Efficient Calibration System of Optical Interferometer for Measuring Middle and Upper Atmospheric Wind." Remote Sensing 15, no. 7 (2023): 1898. http://dx.doi.org/10.3390/rs15071898.

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Detection of the Doppler shift of airglow radiation in the middle and upper atmosphere is one of the most important methods for remote sensing of the atmospheric wind field. Laboratory and routine field calibration of an optical interferometer for wind measurement is very important. We report a novel calibration system that simulates a frequency shift of airglow emission lines introduced by wind in the middle and upper atmosphere for calibrating passive optical interferometers. The generator avoids the shortcomings of traditional motor-driven Doppler-shift generators in terms of stability and
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Ait Oucheggou, Ouardia, Véronique Pointeau, Guillaume Ricciardi, Élisabeth Guazzelli, and Laurence Bergougnoux. "Particle-laden flow around an obstacle in a square pipe: experiments and modeling." Mechanics & Industry 21, no. 5 (2020): 517. http://dx.doi.org/10.1051/meca/2020063.

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Particle trapping and deposition around an obstacle occur in many natural and industrial situations and in particular in the nuclear industry. In the steam generator of a nuclear power plant, the progressive obstruction of the flow due to particle deposition reduces the efficiency and can induce tube cracking leading to breaking and damage. The steam generator then loses its role as a safety barrier of the nuclear power plant. From a fundamental standpoint, dilute and concentrated particulate flows have received a growing attention in the last decade. In this study, we investigate the transpor
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Górska-Zabielska, Maria. "Ścieżka przyrodnicza – atrakcją geoturystyczną i kluczem do zrównoważonego rozwoju miasta." Prace i Studia Geograficzne 69, no. 2 (2024): 55–70. http://dx.doi.org/10.48128/pisg/2024-69.2-04.

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The Pruszków Abiotic Nature Trail, a collection of 12 Scandinavian erratic boulders, has been a municipal geotourism site since 2022. It has an educational, pro-environmental and educational function, demonstrating that the local geological heritage should be protected to ensure the balance of the city’s geo-ecosystem. The Geotrail uses abiotic natural elements for tourism and recreational functions. Architecturally designed and equipped with information panels and paratourist facilities, it decorates a small square in the middle of the urban fabric. Through the skilful transfer of know-how, i
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Khudhori, Muhrom. "OPTIMALISASI LETAK NOZZLE VENTURI MIXER PADA GENSET BERBAHAN BAKAR BIOGAS." Conference SENATIK STT Adisutjipto Yogyakarta 1 (December 3, 2013): 45. http://dx.doi.org/10.28989/senatik.v1i0.53.

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Carburetor modification to the venturi mixer to put a hole in the center of the venturi (end of hole venturi type nozzle on the outlet end venturi section) can turn the engine generator using biogas fuel. Airflow velocity carburetor venturi section will begin upon entering the venturi section and will be maximal at the time in the middle of the venturi section. So of course the location of the placement of venturi carburetor venturi mixer on the right cross section will be obtained velocity airflow + optimum biogas. It is necessary for optimizing the placement location of the modification of t
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Fins Carreira, Adérito, Nan Wu, Zhiyi Man, Annie Colin, and Michael Levant. "Upscaling Salinity Gradient CRED Cell for Blue Energy Harvesting." ECS Meeting Abstracts MA2024-02, no. 1 (2024): 196. https://doi.org/10.1149/ma2024-021196mtgabs.

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CRED (Capacitive reverse electrodialysis) cells are a hybrid technology that were originally introduced by David A. Vermaas to extract electrical energy from salinity gradient [1]. They use selective IME (ion membranes exchange) just like RED (Reverse Electrodialysis) systems but borrow long-lasting, non-faradaic and inexpensive capacitive electrodes from Capmix (Capacitive Mixing) systems achieving power densities around 0.9 W/m² of IME - 5 times higher than Capmix systems [2] but 2 times lower than RED systems [3]. Since then, we reviewed this CRED cell in the MIE lab in order to simplify an
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Naguib, Nefissa. "Basic Ethnography at the Barricades." International Journal of Middle East Studies 43, no. 3 (2011): 383. http://dx.doi.org/10.1017/s0020743811000420.

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We did not see them growing up. We did not think these jaded middle-class boys and girls would one day be resilient and hold their ground. We did not realize that they would be brave, supremely articulate, and driven by aspirations beyond our dreams. The whole thing started with the desperate act of self-immolation by a young Tunisian man. His death sparked a wave of rage against poverty, social exclusion, and corruption. Almost overnight, young men and women created spaces in squares, streets, and alleys where we could imagine new Arab countries. Enraged yet nonviolent, they used technology a
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Books on the topic "Middle square generator"

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Gutman, David. The Politics of Armenian Migration to North America, 1885-1915. Edinburgh University Press, 2019. http://dx.doi.org/10.3366/edinburgh/9781474445245.001.0001.

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This book tells the story of Armenian migration to North America in the late Ottoman period, and Istanbul’s efforts to prevent it. It shows how, much like the present, migrants in the late 19th and early 20th centuries were forced to travel through clandestine smuggling networks, frustrating the enforcement of the ban on migration. Further, migrants who attempted to return home from sojourns in North America risked debarment at the border and deportation, while the return of migrants who had naturalised as US citizens generated friction between the United States and Ottoman governments. The au
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Prados, John. The US Special Forces. Oxford University Press, 2015. http://dx.doi.org/10.1093/wentk/9780199354283.001.0001.

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The assassination of Osama bin Laden by SEAL Team 6 in May 2011 will certainly figure among the greatest achievements of US Special Forces. After nearly ten years of searching, they descended into his Pakistan compound in the middle of the night, killed him, and secreted the body back into Afghanistan. Interest in these forces had always been high, but it spiked to new levels following this success. There was a larger lesson here too. For serious jobs, the president invariably turns to the US Special Forces: the SEALs, Delta Force, the Green Berets, and the USAF’s Special Tactics squad. Given
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Book chapters on the topic "Middle square generator"

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Minh Phu, Nguyen, and Nguyen Van Hap. "Numerical Investigation of Natural Convection and Entropy Generation of Water near Density Inversion in a Cavity Having Circular and Elliptical Body." In Fluid-Structure Interaction [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.95301.

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In this chapter, a water-filled square cavity with left hot wall and right cold wall was numerically investigated. The hot and cold wall temperatures are 10°C and 0°C respectively to examine the density inversion of natural convection water, i.e. water at 4°C. In the middle of the square, there are circular and elliptical bodies to study fluid–structure interaction in terms of the thermohydraulic behavior and entropy generation. 2D numerical simulation was performed using finite volume method in Ansys fluent software with the assumption of laminar flow. The simulation results are compared with
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Kalvettukaran, Paramasivan, Sandip Das, Sundar Marimuthu, and Dipten Misra. "Temperature Gradient-Based Laser Bending of Full Plates and Plates With Cutout." In Handbook of Research on Developments and Trends in Industrial and Materials Engineering. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1831-1.ch012.

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The laser bending process, also called the laser forming process, consists of irradiating the surface of a sheet or a plate by means of a moving laser beam with a predefined scanning strategy to generate the desired shape through thermally induced residual stress. This chapter presents the mechanisms of a laser bending process and the technological aspects concerning laser v-bending of rectangular AISI 304 plates for full plates and plates with a central cutout at its middle to highlight the process fundamentals and how processing affects the final bending angle of the workpieces. Laser bendin
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"KID Museum." In American Perspectives on Learning Communities and Opportunities in the Maker Movement. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8310-3.ch001.

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Once a museum without walls, the KID museum is a place where everything is meant to be touched. KID offers unique, maker experiences for elementary and middle school-aged children that integrate hands-on science, technology, engineering, art, and mathematics (STEAM) learning with an exploration of world cultures and global citizenship. The museum has four focus areas or studios including woodworking, textiles, electronics, and a fabrication lab. KID Museum's current site at Davis Library in Bethesda, Maryland provides schools and the wider community with programs and workshops during the schoo
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Conference papers on the topic "Middle square generator"

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Kim, Jonghyun, and Hyungil Chae. "A 10-Gbps, 0.121-pJ/bit, All-Digital True Random-Number Generator using Middle Square Method." In 2022 IEEE Asian Solid-State Circuits Conference (A-SSCC). IEEE, 2022. http://dx.doi.org/10.1109/a-sscc56115.2022.9980831.

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Merzoug, Ahmed, Abderraouf Chemmakh, Habib Ouadi, et al. "A New Model for Optimized Gas Allocation in Gas Lift Operation Using Metaheuristic Algorithms." In SPE Middle East Artificial Lift Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/206989-ms.

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Abstract Gas lift is one of the most commonly used artificial lift method in oil-producing wells. However, the technique requires constant optimization of gas allocation to maximize profit. The Gas Lift Performance Curves (GLPC) are the main design element that is used for optimized injection. Several authors have proposed models to fit the GLPC. These curves are generated by modeling wells in a multiphase steady-state simulator. Once the model is built, a sensitivity analysis is run, and the curves are generated. In this work, The common workflow to generate GLPC was followed. Then, a new cor
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Ayala, Diego, Wilson Padilla, Bolivar Araujo, and Silvia Ayala. "Upthrust in Electrosubmersible Pumps and Failure Analysis Applied Chi Square Test, Case Study Ecuador." In SPE Middle East Artificial Lift Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/206920-ms.

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Abstract The present study was carried with the purpose to determine the relationship between the operation curves of electrical submersible pumps (ESP) with possible mechanical failures when more fluid is pumped than it was designed for, the study focuses on finding relevant information that allows to identify a trend in the occurrence of premature wear in the equipment, also by applying the Chi square test it is expected to determine the existence of the relationship between failures and overproduction, leaving a probabilistic basis to sustain this operational reality. The correct well selec
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Braga, Edimilson J., and Marcelo J. S. de Lemos. "Turbulent Heat Transfer in a Horizontal Enclosure With a Thin Porous Obstruction in the Middle." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41463.

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Turbulent natural convection in a horizontal two-dimensional square cavity, isothermally heated from below and cooled at the upper surface, is numerically analyzed using the finite volume method and a generalized coordinate system. The enclosure has a thin horizontal porous obstruction located at the cavity mid height. Governing equations are written in terms of primitive variables and are recast into a general from. In general, the porous obstruction decreases the heat transfer across the heated walls showing an overall lower Nusselt numbers when compared with those without the same porous ob
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Madi, Jamal A., and Elhadi M. Belhadj. "Unconventional Shale Play in Oman: Preliminary Assessment of the Shale Oil / Shale Gas Potential of the Silurian Hot Shale of the Southern Rub al-Khali Basin." In SPE Middle East Unconventional Resources Conference and Exhibition. SPE, 2015. http://dx.doi.org/10.2118/spe-172966-ms.

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Abstract Oman's petroleum systems are related to four known source rocks: the Precambrian-Lower Cambrian Huqf, the Lower Silurian Sahmah, the Late Jurassic Shuaiba-Tuwaiq and the Cretaceous Natih. The Huqf and the Natih have sourced almost all the discovered fields in the country. This study examines the shale-gas and shale-oil potential of the Lower Silurian Sahmah in the Omani side of the Rub al Khali basin along the Saudi border. The prospective area exceeds 12,000 square miles (31,300 km2). The Silurian hot shale at the base of the Sahmah shale is equivalent to the known world-class source
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Omeke, James, and Albertus Retnanto. "Advances in Virtual Flow Metering Using Deep Composite Lstm-Autoencoder Network for Gas-Condensate Wells." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213614-ms.

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Abstract In terms of cost and execution time, data-driven Virtual Flow Meters (VFM) are alternative solutions to traditional well testing (WT) and physical multiphase flow meters (MPFM) for production rate determination which is needed for critical decisions by operators but faced with the challenge of low accuracy due to the transient and dynamic state of multiphase flow systems. Recently, some progress has been recorded by training steady-state feed-forward neural networks to learn to approximate production rate based on a certain number of input features (e.g., choke opening, pressure, temp
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Gueddoud, Abdelghani, Ahmed Al Hanaee, Riaz Khan, Atef Abdelaal, Redy Kurniawan, and Abdulla Al Ameri. "Dynamic Modeling Workflow for an Unconventional Biogenic Gas Reservoir with Multistage Hydraulic Fracture. A Case Study of Miocene Gachsaran Formation, Abu Dhabi, United Arab Emirates." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204823-ms.

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Abstract The Miocene Gachsaran Formation across Onshore Abu Dhabi and Dubai possesses high potential of generating shallow biogenic gas. A dynamic model and field development plan generated based on a detail G&G analysis to understand and evaluate its capability as promising gas resources. Specific approaches and workflow generated for volumetric and dynamic reservoir model capable of defining the most viable development strategy of the field from both an economic and technical standpoint. The proposed workflow adapts also the development plan from single pad-scale to full field developmen
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Yu, Wei, Anuj Gupta, Ravimadhav N. Vaidya, and Kamy Sepehrnoori. "Efficient Modeling of Unconventional Well Performance with Millions of Natural and Hydraulic Fractures Using Embedded Discrete Fracture Model EDFM." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204548-ms.

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Abstract The complexity of dynamic modeling for naturally fractured reservoirs has increased in recent years to incorporate more data and physics, as well as to handle advanced completion designs and development scenarios. While these complex models can provide more insight to difficult problems, they come with higher computational costs. Such a limitation prohibits an asset team from working with a large number of well/fracture scenarios that correctly represent geological uncertainty. This study presents a powerful non-intrusive Embedded Discrete Fracture Model (EDFM) method to efficiently h
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Tariq, Zeeshan, Bicheng Yan, and Shuyu Sun. "Application of Image Processing Techniques in Deep-Learning Workflow to Predict CO2 Storage in Highly Heterogeneous Naturally Fractured Reservoirs: A Discrete Fracture Network Approach." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213359-ms.

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Abstract Naturally fractured reservoirs (NFRs), such as fractured carbonate reservoirs, are commonly located worldwide and have the potential to be good sources of long-term storage of carbon dioxide (CO2). The numerical reservoir simulation models are an excellent source for evaluating the likelihood and comprehending the physics underlying behind the interaction of CO2 and brine in subsurface formations. For various reasons, including the rock's highly fractured and heterogeneous nature, the rapid spread of the CO2 plume in the fractured network, and the high capillary contrast between matri
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Raikulov, S., R. S. Mohan, and O. Shoham. "Nanoparticles Stabilized Oil Water Emulsion Flow." In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214528-ms.

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Abstract Nanoparticles (NP) stabilized oil-water emulsion flow is studied experimentally and theoretically for both hydrophilic and hydrophobic NP, under Water Sweep (WS) and Oil Sweep (OS) conditions. Novel and highly accurate experimental data are collected for different NP concentrations and different pump speeds. The Legacy-Texaco skid flow loop is modified to enable data acquisition, and the microscopic camera is modified with Vector Control Module (VCM), as well. The phase inversion is measured utilizing a Circular Differential Dielectric Sensor (C-DDS), a Rectangular DDS (R-DDS), pressu
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