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Journal articles on the topic '1.1 scale prototype'

Author: Grafiati

Published: 2 November 2024

Last updated: 31 July 2025

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1

Zulkarnain, Muhammad Fikri, Muhammad Fazlur Rahman, Muhammad Luthfi Imam Nurhakim, Ony Arifianto, and Taufiq Mulyanto. "Flight Test of GL-1 Glider Half Scale Prototype." Journal of Physics: Conference Series 1005 (April 2018): 012031. http://dx.doi.org/10.1088/1742-6596/1005/1/012031.

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Hidayat, T., K. Syamsu, T. C. Sunarti, M. Nurilmala, and L. P. Manalu. "Prelimenary Study Technology Readiness Level and Techno-economic Analysis of Seaweed-Based Soft Capsule Prototypes." IOP Conference Series: Earth and Environmental Science 1289, no. 1 (2023): 012015. http://dx.doi.org/10.1088/1755-1315/1289/1/012015.

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Abstract Product downstream to be marketable can be seen from the technological and techno-economic readiness level. This research aims to determine the level of technological and techno-economic readiness of the seaweed soft capsule prototype. The method used is to determine TRL (Technology Readiness Level) based on technometers and techno economics by looking at the sensitivity and feasibility of the business. The results show that the readiness level of the seaweed soft capsule prototype technology is at level 7, meaning that it has been scaled up but several parameters in industrial scale

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Xu, Jie, Guangyong Wang, and Renjie Liu. "On the Similarity Relationship between the Structural-Steel Prototype and the 304-Stainless-Steel Dynamic Scale Model." Buildings 13, no. 12 (2023): 2966. http://dx.doi.org/10.3390/buildings13122966.

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Due to the size limitations of shaking tables, dynamic scale models of large-span space structures for engineering have small cross-sections and thin wall thicknesses. It is difficult to use the structural steels commonly used in prototypes to make dynamic scale models. In this paper, 304 stainless steel is proposed for making the scale model, and the similarity relationship between the structural-steel prototype and the 304-stainless-steel dynamic scale model was studied. Firstly, a uniaxial test was conducted to study the elastic modulus similarity and the yielding stress similarity. The tes

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Li, Zhe, Fangping Ye, and Shiying Wu. "Design and Experimental Verification of a 1/20 Scale Model of Quayside Container Crane Using Distortion Theory." Shock and Vibration 2019 (August 20, 2019): 1–10. http://dx.doi.org/10.1155/2019/5893948.

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The scale model is an effective method to research the performance of quayside container crane (QCC) under the seismic condition, but the model distortion usually exists in the similar design process which leads to the incomplete similarity between the scale model and prototype. In this investigation, the distortion theory and the prediction coefficient correction method are used to upgrade the quality of 1/20 QCC scale model and, then, the seismic response of the QCC prototype is obtained from the shake table scale model test. In the first step, the similarity ratio of the 1/20 QCC scale mode

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Chen, Ling, Xuan Wang, Baiyi Li, and Peng Lin. "Experimental Study of Scale Effect in Tunnel Fires at Different Sealing Ratios." Fire 6, no. 3 (2023): 92. http://dx.doi.org/10.3390/fire6030092.

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Fully or partially sealing the openings of tunnels to accelerate the self-extinction of fires provides a promising firefighting tactic to beat large fires in a long tunnel. So far, most experimental studies on the characteristics of fire with different sealing ratios have been conducted in reduced-scale tunnels. However, whether the findings in a reduced-scale tunnel can be converted to its full-scale prototype tunnel based on scaling laws has not yet been adequately studied. A series of experiments with heat-release rates of 15.8, 31.6 and 63.2 kW were conducted with sealing ratios ranging fr

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Jin, Y. L., and Z. G. Li. "Theoretical design and experimental verification of a 1/50 scale model of a quayside container crane." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 226, no. 6 (2011): 1644–62. http://dx.doi.org/10.1177/0954406211423603.

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An effective way to study the dynamic performances and seismic behaviours of large-scale engineering structures is using a scale model. This article aims to develop a geometric-scaled model of the 1/50 for a quayside container crane such that the dynamic characteristics of the prototype can be accurately predicted from the relevant features of this scale model. To this end, a detailed design process for the main components of a 1/50 scale model of the quayside container crane was first presented according to the similitude law. Then, a hammering modal test and the Ling dynamic system shaking t

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Brekke, Edmund F., Egil Eide, Bjørn-Olav H. Eriksen, et al. "milliAmpere: An Autonomous Ferry Prototype." Journal of Physics: Conference Series 2311, no. 1 (2022): 012029. http://dx.doi.org/10.1088/1742-6596/2311/1/012029.

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Abstract In this paper, we summarize the experiences with the autonomous passenger ferry development prototype milliAmpere, which has been used as a test platform in several research projects at the Norwegian University of Science and Technology (NTNU) since 2017. New algorithms for motion planning, motion control, collision avoidance, docking, multi-target tracking and localization have been developed and verified in full-scale experiments with milliAmpere. The infrastructure surrounding milliAmpere includes several sensor rigs supporting research on multi-sensor fusion and situational awaren

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Altaee, Ameir, and Bengt H. Fellenius. "Physical modeling in sand." Canadian Geotechnical Journal 31, no. 3 (1994): 420–31. http://dx.doi.org/10.1139/t94-049.

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Small-scale testing under 1 g conditions as well as in the centrifuge presupposes that a model and prototype have comparative behavior. The chief condition for agreement between model and prototype is that the initial soil states of both must be at equal proximity to the steady state line. Then, when stresses are normalized to the initial mean stress, the model will in all aspects behave similarly to the prototype. Scaling rules are presented that indicate the relations between stress, strain, and displacement for the model and the prototype in terms of geometric scale and stress scale. An obv

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Wang, Minghua, Xiaoliang Wang, Guoqiang Fu, Mi Zhou, and Jian Chen. "A Numerical Study on the Utilization of Small-Scale Model Testing for Slope Stability Analysis." Buildings 15, no. 7 (2025): 1015. https://doi.org/10.3390/buildings15071015.

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Small-scale model tests have been used widely to examine the behavior of slopes. When all similarity principles are conformed, the test results can be translated to the behaviors of slopes in the prototype. However, when the similarity principles cannot be fully conformed, the model test results need to be interpreted. The interpretation of the slopes stability behaviors from the small-scale model test under non-conformity conditions to that of the prototype is investigated, considering various slope scales and soil properties, undertaken through the finite element (FE) method conducted by the

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Liu, Qing Yang, Yao Gong, and Zhen Xu. "Structural Damage Identification Based on Dynamic Analysis of the Scale Model." Applied Mechanics and Materials 578-579 (July 2014): 1073–78. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.1073.

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This paper has been prototyped fine 1:20 scale model of the finite element numerical simulation analysis of each parameter sensitivity test conditions, based on similar principles of dynamics, through the production of about 1/20 the proportion of prototype scale model of the bridge, dynamic characteristics of research conducted scale model of finite element analysis, and study whether there are cracks in the presence of dynamic response mode model, summarized the structure of the bridge structure in a given period reflect the physical characteristics of the local sound voiceprint and bridges

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SUZUKI, YOSHIKI, MINORU MIZUTANI, TAKAMITSU SUGIURA, NAOKI SAKAI, and TAKASHI OHIRA. "Prototype Experiments on a 1/32-Scale Model Via-Wheel Power Transfer Electric Vehicle." Electrical Engineering in Japan 195, no. 1 (2015): 63–71. http://dx.doi.org/10.1002/eej.22813.

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ZHOU, Jingming, Xuezhi ZHOU, Ming XIA, Hongyun LUO, Yibin WU, and Zhengwei WANG. "Research and Analysis on Model measurement and Prototype Operation of large-scale Kaplan turbine." IOP Conference Series: Earth and Environmental Science 1037, no. 1 (2022): 012045. http://dx.doi.org/10.1088/1755-1315/1037/1/012045.

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Abstract Prototype research of hydraulic turbine, as most important one of the three major methods in the research region, is different from theoretical analysis and model measurement. Since the operation conditions of the prototype turbine test are numerous and corresponding to reality, considering the complexity of the medium characteristics, operation parameters are difficult to predict accurately. Taking a giant Kaplan turbine as the research object., this paper is based on the results of numerical simulation and model measurement under rated conditions, combining with difference analysis

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Altunışık, Ahmet C., Ebru Kalkan, and Hasan Basri Başağa. "Creation of Similarity Requirement with Field Equations in Steel Bearing Systems." Open Civil Engineering Journal 12, no. 1 (2018): 134–49. http://dx.doi.org/10.2174/1874149501812010134.

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Introduction: This paper aimed to determine the structural behavior of steel bearing systems by creating similarity conditions with field equations. Scaling plays a crucial role in designing experiments aimed at understanding the structural behavior of systems where experimental studies are difficult to perform due to huge structures in the profession of engineering field. Scaling can be performed by using dimensional analysis or by normalizing differential equations that describe the dynamics of the system. If a model and prototype are dimensionally similar, it is possible to estimate experim

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Popescu, Constantin Adrian, Florin Adrian Nicolescu, Georgia Cezara Avram, and Andrei Mario Ivan. "Small Scale AS/RS System for Educational Purposes - Part 1 - The Virtual Prototype and the Small Scale Physical System." Applied Mechanics and Materials 834 (April 2016): 49–54. http://dx.doi.org/10.4028/www.scientific.net/amm.834.49.

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The paper presents the works performed by the authors in the field of AS/RS systems design and experimental small scale AS/RS physical model set-up for educational purposes. First part of the paper presents the virtual prototype of the 3D CAD model of the AS/RS system and the developing of the physical model set-up for an experimental small scale AS/RS for educational purposes. The specific hardware for control the AS/RS system and software for programming it are also included in a second part of the paper.

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Apriyansa, A., J. Bintoro, and E. Sandi. "Development of Early Real-Time Disaster Mitigation Warning System Landslide with Gyroscope ADXL345 Sensor." Journal of Physics: Conference Series 2019, no. 1 (2021): 012080. http://dx.doi.org/10.1088/1742-6596/2019/1/012080.

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Abstract The purpose of the research is to develop a Real-Time Landslide Early Disaster Mitigation Warning System with the ADXL345 Gyroscope Sensor and to know the exact system designed in a prototype. The method used is research and development with a prototyping model which is divided into several stages, namely stage (1) problems, (2) data collection, (3) prototype design, (4) prototype testing, and (5) production. The resulting system is a prototype based on an Arduino microcontroller called “ERT-Ladister” with an ADXL345 Gyroscope sensor. Other features include SMS-Gateway, buzzer, and Mo

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Suchorzewski, Jan, Mathias Flansbjer, Ojas Chaudhari, and Natalie Williams Portal. "Experimental Development and Field Validation of Rock Anchors for Sustainable Onshore Foundations." Journal of Physics: Conference Series 2745, no. 1 (2024): 012011. http://dx.doi.org/10.1088/1742-6596/2745/1/012011.

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Abstract The development of an innovative rock anchor prototype manufactured using high strength steel sheets produced locally in Sweden is the core of the PROWIND concept. Steel sheets provide a design freedom to easily manufacture complex geometries, which can be advantageous to enhance the shear force transmission in the bond-length segment of the anchor. The underlying challenge of this concept has been to design a solution which meets the design requirements of today and future technological advancements, all while keeping conventional installation practices in mind. The project followed

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Nicol, T. H., C. Edwards, R. C. Dhuley, and J. C. Thangaraj. "Conduction cooled cryostat for small-scale superconducting radio frequency accelerator applications." IOP Conference Series: Materials Science and Engineering 1301, no. 1 (2024): 012049. http://dx.doi.org/10.1088/1757-899x/1301/1/012049.

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Abstract Fermilab’s Illinois Accelerator Research Center (IARC) is designing small-scale, ∼10 MeV prototype conduction cooled superconducting accelerators for projects ranging from medical device sterilization to road pavement modification. These accelerators are built using high-Q Nb3Sn coated superconducting radio-frequency cavities. The cryostat design for one such prototype being developed for the U.S. Army Engineer Research Development Center (ERDC) will be described. Cryostats for such conduction cooled accelerators require stringent control of thermal losses since the available power fr

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Revell, Patrick, Nicolas Regnauld, and Stuart Thom. "Generalising and Symbolising Ordnance Survey®Base Scale Data to Create a Prototype 1:50 000 Scale Vector Map." Cartographic Journal 44, no. 3 (2007): 251–57. http://dx.doi.org/10.1179/000870407x241791.

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Xu, Ding, Shun Yu, Jingxuan Zhou, Fusen Guo, Lin Li, and Jishizhan Chen. "Multi-scale prototype convolutional network for few-shot semantic segmentation." PLOS ONE 20, no. 4 (2025): e0319905. https://doi.org/10.1371/journal.pone.0319905.

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Few-shot semantic segmentation aims to accurately segment objects from a limited amount of annotated data, a task complicated by intra-class variations and prototype representation challenges. To address these issues, we propose the Multi-Scale Prototype Convolutional Network (MPCN). Our approach introduces a Prior Mask Generation (PMG) module, which employs dynamic kernels of varying sizes to capture multi-scale object features. This enhances the interaction between support and query features, thereby improving segmentation accuracy. Additionally, we present a Multi-Scale Prototype Extraction

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Mandree, Prisha, Wendy Masika, Justin Naicker, Ghaneshree Moonsamy, Santosh Ramchuran, and Rajesh Lalloo. "Bioremediation of Polycyclic Aromatic Hydrocarbons from Industry Contaminated Soil Using Indigenous Bacillus spp." Processes 9, no. 9 (2021): 1606. http://dx.doi.org/10.3390/pr9091606.

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Polycyclic aromatic hydrocarbons (PAHs) are reportedly toxic, ubiquitous and organic compounds that can persist in the environment and are released largely due to the incomplete combustion of fossil fuel. There is a range of microorganisms that are capable of degrading low molecular weight PAHs, such as naphthalene; however, fewer were reported to degrade higher molecular weight PAHs. Bacillus spp. has shown to be effective in neutralizing polluted streams containing hydrocarbons. Following the growing regulatory requirement to meet the PAH specification upon disposal of contaminated soil, the

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Du, Donghai, Chen Chen, Jiachun Wang, Daokui Li, and Lilin Zhou. "A study on the effect of cylindrical shell scaled model size on ESCM prediction accuracy." Journal of Physics: Conference Series 2882, no. 1 (2024): 012075. http://dx.doi.org/10.1088/1742-6596/2882/1/012075.

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Abstract Current research on similitude theory has introduced numerous methods to address the distortion similitude model. However, these methods still encounter some challenges in guiding the design of scale models, such as insufficient accuracy and a limited range of design sizes. In this paper, the Energy Similitude Correction Method (ESCM) is used to analyze the effect of size design on the accuracy of cylindrical shell-scaled models, taking into account distortion factors such as wall thickness and thermal environment. The research shows that the closer the model size is to the prototype

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Moss, Robb Eric S., and Victor A. Crosariol. "Scale Model Shake Table Testing of an Underground Tunnel Cross Section in Soft Clay." Earthquake Spectra 29, no. 4 (2013): 1413–40. http://dx.doi.org/10.1193/070611eqs162m.

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Underground structures exist in many active earthquake regions, but empirical data of the seismic behavior of these structures is very limited. This research works toward filling that empirical data gap with scale model shake table testing. Underground seismic soil-structure interaction (USSSI) effects were investigated for a stiff tunnel embedded within soft clay. Young Bay mud was used as a prototype soil for developing a scale model soil mixture. A Bay Area Rapid Transit (BART) cut-and-cover subway tunnel was used as the prototype for the one-tenth scale model subway cross section. The flex

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Akbar, Mohammad Farhan, and Isa Faqihuddin Hanif. "Perancangan Ulang Antarmuka Pengguna dan Pengalaman Pengguna Aplikasi Fello Menggunakan Metode Design Thinking dan System Usability Scale." Jurnal Pendidikan dan Teknologi Indonesia 5, no. 6 (2025): 1619–33. https://doi.org/10.52436/1.jpti.842.

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Kemajuan teknologi terus mendorong aplikasi digital untuk mengutamakan kenyamanan dan kemudahan pengguna. Fello, platform e-money komunitas besutan PT Jatelindo Perkasa Abadi, menghadapi kendala dalam memberikan pengalaman pengguna yang optimal akibat desain UI/UX yang kurang memadai. Keluhan seperti kesulitan navigasi dan tampilan yang tidak intuitif menjadi pemicu utama perlunya pembaruan desain. Penelitian ini bertujuan untuk merancang ulang aplikasi Fello agar lebih responsif terhadap kebutuhan pengguna melalui pendekatan inovatif. Metodologi yang digunakan adalah design thinking, yang men

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Rifqi Haidar Al-Aziz. "WEB-BASED UI/UX DESIGN FOR THE SCHOOL LIBRARY OF SMA NEGERI 1 UJAN MAS BASED ON DESIGN THINKING METHODE." Jurnal Sistem Informasi dan Bisnis Cerdas 18, no. 1 (2025): 103–16. https://doi.org/10.33005/sibc.v18i1.434.

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SMA Negeri 1 Ujan Mas is a public school founded by the Muara Enim Regency government to overcome the shortage of high schools in the area. Currently, library management is still done manually, which results in difficulties in searching for book data, accumulation of documents, and the risk of data loss. This research aims to design a web-based library user interface (UI/UX) using the Design Thinking method. With a computerized library system, it is hoped that it can increase the efficiency of library management and provide better access for students and school staff. System testing was carrie

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Lion, Eddy, Triyani Triyani, and Kartika Ananda. "The Development of Panjiasia Book based on Augmented Reality to Strengthen Pancasila Values for Children in Early Childhood Education." Jurnal Lingua Idea 14, no. 1 (2023): 122. http://dx.doi.org/10.20884/1.jli.2023.14.1.7510.

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This research aims to develop a PANJIASIA book based on augmented reality that is able to bridge young children to know, understand, internalize and apply the values of Pancasila in everyday life. This research uses the type of research and development (Research and Development) with research stages 1) the initial survey in the field was taken based on data on the needs of PAUD teachers in instilling Pancasila values in early childhood; 2) Prototype FGD; 3) Development of Augmented Reality-based PANJIASIA Books and prototype workshops; 4) validation of the PANJIASIA Book by validation of m

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Guo, Xin, Ang Li, and Weiming Hu. "Full-scale linear sensing of mode-localized sensors enabled by optimized readout circuit." Journal of Physics: Conference Series 2740, no. 1 (2024): 012022. http://dx.doi.org/10.1088/1742-6596/2740/1/012022.

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Abstract This paper proposes a novel single-port readout circuit to realize the full-scale linear sensing of mode-localized sensors. In our proposal, in addition to the conventional frequency closed-loop control, the amplitude closed-loop based on automatic gain control (AGC) is adopted to stabilize the amplitude product of resonant units at a normalized value so that the difference of squared amplitudes can be regarded as the sensor readout to characterize the variations of external input signals. A micro-electro-mechanical system (MEMS) mode-localized accelerometer prototype is tested based

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Indah Ciptasari, Nurhayati, Egidius Arya Parande, Johny Wahyuadi Soedarsono, et al. "Effect of Slope Chute Angle of HAP Magnetic Separator to the Acquisition of Nickel Matte from Undersized Product Resulted by Pierce Smith Converter Machine." Recent in Engineering Science and Technology 1, no. 03 (2023): 1–12. http://dx.doi.org/10.59511/riestech.v1i03.18.

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The prototype of a magnetic separator was initiated and manufactured for handling undersized products of Pierce Smith Converter which has been channeled to a temporary shelter called a matte pond. It was dredged three to four times a year and it’s costly. This expenditure can be minimized by the manufacture of magnetic separators that are used to attract undersized nickel products. The manufacture of this prototype uses a scale of 1:20.000 for the volume of water and nickel matte, while for chute and magnetic drums with a scale of 1:4 from the conditions in the field. This research aims to det

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Kumar, Sanath Sathyachandran, Joshua J. Picotte, and Birgit Peterson. "Prototype Downscaling Algorithm for MODIS Satellite 1 km Daytime Active Fire Detections." Fire 2, no. 2 (2019): 29. http://dx.doi.org/10.3390/fire2020029.

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This work presents development of an algorithm to reduce the spatial uncertainty of active fire locations within the 1 km MODerate resolution Imaging Spectroradiometer (MODIS Aqua and Terra) daytime detection footprint. The algorithm is developed using the finer 500 m reflective bands by leveraging on the increase in 2.13 μm shortwave infrared reflectance due to the burning components as compared to the non-burning neighborhood components. Active fire presence probability class for each of the 500 m pixels within the 1 km footprint is assigned by locally adaptive contextual tests against its s

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Dezhin, D., I. Dezhina, and R. Ilyasov. "SMALL-SCALE PROTOTYPE OF A FULLY HTS-2G SIX-PHASE INDUCTION ELECTRICAL MACHINE." Journal of Physics: Conference Series 1559 (June 2020): 012146. http://dx.doi.org/10.1088/1742-6596/1559/1/012146.

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Widiaratih, Rikha, Agus Anugroho Dwi Suryoputra, Gentur Handoyo, Alfi Satriadi, and Ari Bawono Putranto. "Prototype of simple mini-wave gauge using Microcontroller ESP32 on the laboratory scale." IOP Conference Series: Earth and Environmental Science 1224, no. 1 (2023): 012024. http://dx.doi.org/10.1088/1755-1315/1224/1/012024.

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Abstract The limited availability of real-time wave data is needed for shipping safety and for planning coastal areas. This wave data monitoring system including the wave height and direction gained to be used as a consideration in making decisions related to shipping safety and coastal management. This study aims to design and create a prototype of a simple mini-wave gauge and test the performance of a mini-wave gauge on the laboratory scale. The sensors used in this mini-wave gauge were ADXL335 as a vibration sensor to detect wave movement and the GY-271 sensor module with the HMC5883L chip

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Sumer, Ali, Robert B. Fleischman, and Nathan J. Palmer. "Development of a Cast Modular Connector for Seismic-Resistant Steel Moment Frames Part II: Experimental Verification." Engineering Journal 44, no. 3 (2007): 213–32. http://dx.doi.org/10.62913/engj.v44i3.915.

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A companion paper (Development of a Cast Modular Connector for Seismic-Resistant Steel Frames, Part 1: Prototype Development) describes the development of a prototype design for a cast modular connector (MC) for seismic-resistant steel moment frames. The eventual design, termed the MC "Beta"ť prototype design, was developed through a comprehensive analytical program that focused on the monotonic response of isolated connectors. Analyses of the MC Beta prototype design indicate the potential for excellent ductility and energy dissipation characteristics. This paper focuses on the prototyping an

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Jilek, Vlastimil, Dusan Mandat, Francesco Salamida, and Zuzana Svozilikova. "Potential for atmospheric monitoring using FAST telescopes." Journal of Physics: Conference Series 2398, no. 1 (2022): 012015. http://dx.doi.org/10.1088/1742-6596/2398/1/012015.

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Abstract The Fluorescence detector Array of Single-pixel Telescopes (FAST) is a design for a next-generation ground-based ultra-high energy cosmic ray observatory, addressing the requirements for a large-area, low-cost detector suitable for measuring the properties of the highest energy cosmic rays with an unprecedented aperture. Three telescope prototypes are installed nearby the fluorescence telescopes of Telescope Array and one prototype is located at the Pierre Auger Observatory. Apart from detecting cosmic ray showers, the FAST prototypes offer the possibility of detecting laser pulses fr

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Wang, Rui, Lei Ma, Yingxian Chang, et al. "Prototype System for Dynamic Elastic Protection and Monitoring." Journal of Physics: Conference Series 2074, no. 1 (2021): 012042. http://dx.doi.org/10.1088/1742-6596/2074/1/012042.

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Abstract With the continuous development of science and technology, security becomes an important content, both from the personal safety and information security, the most basic protection and monitoring security system already cannot satisfy people demand for security, protection and monitoring technology is relatively simple, function is not fully diversified, so the protection and improvement of the monitoring system should be constantly, so the application of dynamic elastic protection and monitoring, protective monitor the implementation of the new type will help the large-scale applicati

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Taruffi, Federico, Simone Di Carlo, Sara Muggiasca, and Marco Belloli. "A large-scale wind turbine model installed on a floating structure: experimental validation of the numerical design." Wind Energy Science 8, no. 1 (2023): 71–84. http://dx.doi.org/10.5194/wes-8-71-2023.

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Abstract. In the field of floating wind energy, large-scale wind turbine models deployed in natural environments represent a key link between small-scale laboratory tests and full-scale prototypes. While implying smaller cost, design and installation effort than a full-scale prototype, large-scale models are technologically very similar to prototypes, can be tested in natural sea and wind conditions, and reduce by a consistent amount the dimensional scaling issues arising in small-scale experiments. In this framework the presented work report the aerodynamic and control system assessment of a

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Ghenescu, V. "Compact LumiCal prototype tests for future e⁺e⁻ colliders." Journal of Instrumentation 17, no. 07 (2022): C07024. http://dx.doi.org/10.1088/1748-0221/17/07/c07024.

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Abstract The FCAL collaboration is preparing large-scale prototypes of special calorimeters to be used in the very forward region at future electron-positron colliders for instant luminosity measurement and a precise measurement of integrated luminosity and for assisting beam-tuning. LumiCal is designed as silicon-tungsten sandwich calorimeter with very thin sensor planes to keep the Molière radius small, thus facilitating the measurement of electron showers in the presence of background. Dedicated FE electronics has been developed to match the timing and dynamic range requirements. A partiall

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Antonelli, M., and G. Caposciutti. "Measure of the solar flux conveyed onto a lambertian target by a novel bi-axial fresnel concentrator." Journal of Physics: Conference Series 2511, no. 1 (2023): 012026. http://dx.doi.org/10.1088/1742-6596/2511/1/012026.

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Abstract This paper deals with the optical analysis of a prototype of a novel concentrator, named as Bi-Axial Fresnel (BAF). This concentrator aims at reducing production and installation costs, as well as keeping as low as possible the weight and the bulk of the mirrors field, making it suitable for building small-dimensions systems, able to be placed on industrial roofs, as an example. The prototype is composed as an array of 3x3 mirrors. Its theoretical concentration is therefore 9. The experiment made use of a very basic equipment, which included a thermal flux sensor and a simple webcam,

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Sirait, Wanjul Fransisco, and Muhammad Amin. "PENGEMBANGAN PROTOTYPE PENGONTROLAN LAMPU VIA ANDROID SEBAGAI MEDIA PEMBELAJARAN DI SMK DWIWARNA MEDAN." JEVTE Journal of Electrical Vocational Teacher Education 3, no. 2 (2024): 140. http://dx.doi.org/10.24114/jevte.v3i2.57182.

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Abstract This research aims to develop learning media using light control prototypes in microcontroller and microprocessor engineering subjects at Dwiwarna Vocational School, Medan. The research method used is the research and development method with the ADDIE development research model. The stages in development are 1) Analysis Stage, 2) Design, 3) Development or Production, 4) Implementation or Delivery, 5) Evaluations. Data collection for validation of learning materials and media uses a Likert scale. The results of this development research are a light control prototype along with a job sh

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Nicola, Pozzi, Bracco Giovanni, Passione Biagio, et al. "Wave Tank Testing of a Pendulum Wave Energy Converter 1:12 Scale Model." International Journal of Applied Mechanics 09, no. 02 (2017): 1750024. http://dx.doi.org/10.1142/s1758825117500247.

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Wave Energy is a widespread, reliable renewable energy source. The early study on Wave Energy dates back in the 70’s, with a particular effort in the last and present decade to make Wave Energy Converters (WECs) more profitable and predictable. The PeWEC (Pendulum Wave Energy Converter) is a pendulum-based WEC. The research activities described in the present work aim to develop a pendulum converter for the Mediterranean Sea, where waves are shorter, thus with a higher frequency compared to the ocean waves, a characteristic well agreeing with the PeWEC frequency response. The mechanical equati

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Branlard, Emmanuel, Jason Jonkman, Cameron Brown, and Jiatian Zhang. "A digital twin solution for floating offshore wind turbines validated using a full-scale prototype." Wind Energy Science 9, no. 1 (2024): 1–24. http://dx.doi.org/10.5194/wes-9-1-2024.

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Abstract. In this work, we implement, verify, and validate a physics-based digital twin solution applied to a floating offshore wind turbine. The digital twin is validated using measurement data from the full-scale TetraSpar prototype. We focus on the estimation of the aerodynamic loads, wind speed, and section loads along the tower, with the aim of estimating the fatigue lifetime of the tower. Our digital twin solution integrates (1) a Kalman filter to estimate the structural states based on a linear model of the structure and measurements from the turbine, (2) an aerodynamic estimator, and (

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Smith, Allegra W., and Courtney D. Ray. "17 Students, 1 Project: Design Thinking Pedagogy for a Large-Scale UX Community/Classroom Partnership." Communication Design Quarterly 12, no. 3 (2024): 20–30. https://doi.org/10.1145/3658422.3658430.

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This teaching case applies design thinking to a large-scale client project in a technical and professional communication (TPC) class. Using the 5-step design thinking process ("empathize, define, ideate, prototype, test") over 8 weeks, the students in an upper-division TPC course developed social media content and strategy for a statewide public relations campaign. The two authors, the instructing faculty and a senior student who served as project manager, illuminate how iterative design thinking, as a UX pedagogical practice, can help students set boundaries around ill-defined problems; mirro

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Smith, Allegra W., and Courtney D. Ray. "17 Students, 1 Project: Design Thinking Pedagogy for a Large-Scale UX Community/Classroom Partnership." Communication Design Quarterly 12, no. 3 (2024): 20–30. https://doi.org/10.1145/3563890.3713060.

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This teaching case applies design thinking to a large-scale client project in a technical and professional communication (TPC) class. Using the 5-step design thinking process ("empathize, define, ideate, prototype, test") over 8 weeks, the students in an upper-division TPC course developed social media content and strategy for a statewide public relations campaign. The two authors, the instructing faculty and a senior student who served as project manager, illuminate how iterative design thinking, as a UX pedagogical practice, can help students set boundaries around ill-defined problems; mirro

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Smallwood, J. C., S. Bhasin, T. Blake, et al. "Test-beam demonstration of a TORCH prototype module." Journal of Physics: Conference Series 2374, no. 1 (2022): 012004. http://dx.doi.org/10.1088/1742-6596/2374/1/012004.

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The TORCH time-of-flight detector is designed to provide a 15 ps timing resolution for charged particles, resulting in π/K particle identification up to 10 GeV/c momentum over a 10 m flight path. Cherenkov photons, produced in a quartz plate of 10 mm thickness, are focused onto an array of micro-channel plate photomultipliers (MCP-PMTs) which measure the photon arrival times and spatial positions. A half-scale (660 × 1250 × 10 mm3) TORCH demonstrator module has been tested in an 8 GeV/c mixed proton-pion beam at CERN. Customised square MCP-PMTs of active area 53 × 53 mm2 and granularity 64 × 6

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Ma, Shang, Yeqing Chen, Zhenqing Wang, Jianhui Wang, Linmei Lyu, and Wanli Wei. "Similarity Law between Centrifuge Scale Test and Prototype Underwater Explosion." Shock and Vibration 2021 (August 3, 2021): 1–15. http://dx.doi.org/10.1155/2021/8582026.

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Shock wave and bubble pulsation caused by underwater explosion destroy the hydraulic structure. However, the realization of the underwater explosion prototype test is restricted by many factors, such as the site environment. Furthermore, the repeatability of the test scheme is not strong. The centrifuge scale test provides a new way of studying the damage degree of the structure under the action of underwater explosion. The similarity relationship refers to the bridge between the scaled model and the prototype, which cannot achieve complete similarity in practice. The centrifuge-scaled model t

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Chen, G. J., and A. Ledesma. "Coupled Thermohydromechanical Modeling of the Full-Scale In Situ Test “Prototype Repository”." Journal of Geotechnical and Geoenvironmental Engineering 135, no. 1 (2009): 121–32. http://dx.doi.org/10.1061/(asce)1090-0241(2009)135:1(121).

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Supriyanto, Aji, Sri Mulyani, Tri Ariyanto, and Jeffri Alfa Razaq. "INFORMATION FOR THE IDENTIFICATION AND VERIFICATION OF PROSPECTIVE POVERTY SOCIAL ASSISTANCE RECIPIENTS." Jurnal Teknik Informatika (Jutif) 4, no. 2 (2023): 429–40. http://dx.doi.org/10.52436/1.jutif.2023.4.2.722.

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One important aspect of the poverty alleviation strategy is the availability of accurate poverty data, so that the government in providing social assistance (Bansos) can be right on target. The problem is that if there is an inaccuracy in the identification process when recording citizen data, it will affect the process of verifying and validating data on prospective Social Assistance recipients. Inaccuracies in prospective Social Assistance recipients can occur due to the process of collecting data on citizen identities and applying the wrong criteria for poverty requirements and the data is

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Sharke, Paul. "From Helios to Our House." Mechanical Engineering 123, no. 08 (2001): 42–46. http://dx.doi.org/10.1115/1.2001-aug-1.

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A study commissioned by Florida Power and Light Co. of Juno Beach reports that energy savings in Florida from ceiling fans came only with the raising of air conditioner thermostats. Making fans with high-efficiency motors offered one way of achieving that goal and aerodynamic blades offer another. Infrared thermogram of a typical ceiling fan shows heat generated by the motor. Temperature scale at bottom reads from coolest to hottest. With simulations having helped the decision on the choice of design, the engineer team set out to discover a building method for making the prototype blades. As w

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Cobo-Fray, Constanza, and Olga Lucia Montoya-Flórez. "Tuhouse: prototipo de vivienda social sostenible de alta densidad para el trópico." Revista Hábitat Sustentable 11, no. 1 (2021): 32–43. http://dx.doi.org/10.22320/07190700.2021.11.01.03.

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This work presents the results of research made within the framework of the Solar Decathlon LAC 2019 international competition, which aimed at designing and building a prototype of a TUHOUSE (Technically Unique House Using Solar Energy) affordable dwelling, at a 1:1 scale, a house that is capable of incorporating sustainable and bioclimatic strategies for the tropical region. The methodology consisted of a design workshop with interdisciplinary work from the different architecture and engineering areas in programs at the Universities of San Buenaventura and Autonoma de Occidente (Cali, Colombi

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Gálfi, Pál-Botond, Renáta-Ildikó Száva, Ioan Száva, et al. "Modern Dimensional Analysis Based on Fire-Protected Steel Members’ Analysis Using Multiple Experiments." Fire 5, no. 6 (2022): 210. http://dx.doi.org/10.3390/fire5060210.

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Nowadays, the real structures (considered as prototypes) subjected to fire are analysed by means of the behaviours of some reduced scale structures (defined as models). These prototype–model correlations are governed by the so-called dimensional analysis (DA) methods. These methods, starting from the Buckingham theorem, offer several dimensionless variables and based on them is the so-called Model Law (ML), which is able to foresee the predictable prototype’s answer based on the results of the experimental investigations performed exclusively on the model (usually manufactured at a reduced sca

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Wüest, Robert, and Stephan Nebiker. "Geospatial Augmented Reality for the interactive exploitation of large-scale walkable orthoimage maps in museums." Proceedings of the ICA 1 (May 16, 2018): 1–6. http://dx.doi.org/10.5194/ica-proc-1-124-2018.

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In this paper we present an app framework for augmenting large-scale walkable maps and orthoimages in museums or public spaces using standard smartphones and tablets. We first introduce a novel approach for using huge orthoimage mosaic floor prints covering several hundred square meters as natural Augmented Reality (AR) markers. We then present a new app architecture and subsequent tests in the Swissarena of the Swiss National Transport Museum in Lucerne demonstrating the capabilities of accurately tracking and augmenting different map topics, including dynamic 3d data such as live air traffic

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Ashley, K. I., D. S. Mavinic, and K. J. Hall. "Oxygenation performance of a laboratory-scale Speece Cone hypolimnetic aerator: preliminary assessment." Canadian Journal of Civil Engineering 35, no. 7 (2008): 663–75. http://dx.doi.org/10.1139/l08-011.

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A prototype laboratory-scale Speece Cone hypolimnetic aerator was used to examine the effect of oxygen input rate and outlet port water velocity on oxygen transfer, using four standard units of measure for quantifying oxygen transfer: (i) the oxygen transfer coefficient at 20 °C, KLa20 (h–1); (ii) the standard oxygen transfer rate (SOTR) (g O2·h–1); (iii) the standard aeration efficiency (SAE) (g O2 kW·h–1); and (iv) the standard oxygen transfer efficiency (SOTE) (%). The maximum inlet velocity (i.e., 70 cm·s–1) was only 23% of the recommended design velocity (i.e., 305 cm·s–1), and the two-ph

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