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Effect of microcarbon particle size and dispersion on the electrical conductivity of LLDPE-carbon composite 微碳粒度和分散对低密度聚乙烯-碳复合材料导电性的影响
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.2215
A. Zuhri, A. E. Pramono, I. Setyadi, A. Maksum, N. Indayaningsih
{"title":"Effect of microcarbon particle size and dispersion on the electrical conductivity of LLDPE-carbon composite","authors":"A. Zuhri, A. E. Pramono, I. Setyadi, A. Maksum, N. Indayaningsih","doi":"10.22201/icat.24486736e.2024.22.1.2215","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.2215","url":null,"abstract":"This experimental research aimed to develop a conductive polymer composite (CPC) material for electromechanical devices. The composite was made by incorporating conductive micro carbon derived from rice husks into a Linear Low-Density Polyethylene (LLDPE) polymer matrix using hot compaction. Variations of filler composition were used, with carbon loading of 50%, 45%, and 40%, and mesh sizes of #150, #200, and #250. The experimental results showed that particle size variations did not significantly affect composite density, but higher mesh selection improved filler dispersion within the matrix, resulting in higher electrical conductivity values. The optimal conductivity value of 9.43E-04 S/cm was achieved with a micro-carbon composition of 50% loading. However, decreasing micro carbon loading had a more significant impact on reducing electrical conductivity values.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"85 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140410411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the combined effect of coffee husk ash and polypropylene fibres on the mechanical properties of concrete 咖啡壳灰和聚丙烯纤维对混凝土机械性能的综合影响研究
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.2131
S. Muñoz Pérez, M. E. Rivera Segura, Y. A. Alejandria Bustamante, L. V. Villena Zapata
{"title":"Study of the combined effect of coffee husk ash and polypropylene fibres on the mechanical properties of concrete","authors":"S. Muñoz Pérez, M. E. Rivera Segura, Y. A. Alejandria Bustamante, L. V. Villena Zapata","doi":"10.22201/icat.24486736e.2024.22.1.2131","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.2131","url":null,"abstract":"In this research, the effects produced by the combination of coffee husk ash and polypropylene fibers in the production of concrete were studied in order to evaluate the mechanical properties and determine an optimum design combination. Two standard concrete mix designs of f'c= 210 and 280 kg/cm2 were developed, and experimental treatments of standard concrete were designed by adding coffee husk ash at 5%, 10% and 15% combined with polypropylene fibers at 1%, 2.5 % and 5%. The results showed that the resistance differs in 8.94% and 4.11% in compression, 8.55% and 15.03% in traction, 10.89% and 8.96% in bending and increases the modulus of elasticity in 5.66% and 14.15% with respect to the standard designs f'c= 210 and 280 kg/cm2. It is concluded that the mechanical characteristics are relatively lower compared to the standard mix designs.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"24 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140411630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of cetyltrimethylammonium bromide on flocculation and filtration of bentonite suspensions 十六烷基三甲基溴化铵对膨润土悬浮液絮凝和过滤的影响
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.2112
A. Nakamura, H. Sato, Y. Sato, K. Murakami
{"title":"Effect of cetyltrimethylammonium bromide on flocculation and filtration of bentonite suspensions","authors":"A. Nakamura, H. Sato, Y. Sato, K. Murakami","doi":"10.22201/icat.24486736e.2024.22.1.2112","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.2112","url":null,"abstract":"Separation of bentonite from wastewater is challenging because bentonite, is highly dispersible in water. Using cationic polymer flocculants has a high flocculation effect on bentonite. However, the flocculation mechanism is unclear. In this study, flocculation, filtration, and bentonite adsorption behavior are investigated using cetyltrimethylammonium bromide (CTAB) as cationic small molecule; subsequently, the flocculation mechanism of bentonite is explored. The flocculation effect increases and the filtration time is reduced with increasing CTAB concentration. In particular, when more than 1500 ppm of CTAB is used, the filtration time is reduced to 2–3 min. Bentonite forms secondary flocculates after the formation of primary flocculates with increasing CTAB concentration. Additionally, the adsorption behavior reveals that CTAB is inserted between the layers, and it is excessively adsorbed on the bentonite surface. The increase CTAB concentration was effective in improving the shortening the filtration time owing to the formation of large bentonite flocculates.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"625 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140416901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identification of geothermal potential zone associated with land surface temperature derived from Landsat 8 data using split-window algorithm 利用分窗口算法识别与大地遥感卫星 8 号数据得出的地表温度相关的地热潜力区
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.2091
Akhyar, C. A. Sary
{"title":"Identification of geothermal potential zone associated with land surface temperature derived from Landsat 8 data using split-window algorithm","authors":"Akhyar, C. A. Sary","doi":"10.22201/icat.24486736e.2024.22.1.2091","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.2091","url":null,"abstract":"This study was conducted in the geothermal potential area of Mount Seulawah, Aceh province. Study was conducted using remote sensing methods in order to estimate and map the land surface temperature (LST). Data used in this study is Landsat 8 OLI and TIRS. Methods used in this study were split-window algorithm (SWA) to obtain the LST through NDVI analysis and landcover classification, and image enhancement to obtain the lineament density through visual interpretation referring to the results of band ratio and filter techniques. The results of the NDVI analysis show that the study area has a value in the range of -0.57 – 0.97. The results of the LST analysis show that the surface temperature in the area has a value in the range of 21.32 - 32.88 oC. Areas that have high LST values can be estimated as areas that have anomalies. Based on the results of the lineament density analysis, the higher density value in an area can indicate the better permeability where geothermal manifestations come out. The direction of the lineaments that control the study area is dominated by the northwest-southeast in accordance with the direction of the main stress, namely the Seulimum fault and the Aceh fault which also has a northwest-southeast direction. The overall results show that the Seulawah geothermal area is quite potential to be developed for the sustainable natural resource.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"22 33","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140409609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pulse-coupled neural network based on an adaptive Gabor filter for pavement crack segmentation 基于自适应 Gabor 滤波器的脉冲耦合神经网络用于路面裂缝分割
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.1837
A. Luna Álvarez, D. Mújica Vargas, J. D. J. Rubio, A. Rosales Silva
{"title":"Pulse-coupled neural network based on an adaptive Gabor filter for pavement crack segmentation","authors":"A. Luna Álvarez, D. Mújica Vargas, J. D. J. Rubio, A. Rosales Silva","doi":"10.22201/icat.24486736e.2024.22.1.1837","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.1837","url":null,"abstract":"This article proposes a Pulse-Coupled Neural Network based on an adaptive Gabor filter for the segmentation of cracks in the pavement in digital images. By estimating the noise in the image, the parameters of the filter that convolves the neurons of the model are adjusted. As a result iterations were reduced to 2%with ? 90% precision. The algorithm was parallelized on the GPU and the processing time was reduced to n/NM regardless of the M and N dimensions of theimage.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140415295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Highly efficient relay triggering circuit for fault detection during Power swings 高效继电器触发电路，用于在功率波动期间检测故障
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.2120
S. Akolkar, H. R. Jariwala
{"title":"Highly efficient relay triggering circuit for fault detection during Power swings","authors":"S. Akolkar, H. R. Jariwala","doi":"10.22201/icat.24486736e.2024.22.1.2120","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.2120","url":null,"abstract":"This paper introduces a Discrete Wavelet Transform based very simple and fast acting algorithm with multi-resolution analysis to sense all types of faults in presence of power swings using current signal analyzation. The algorithm confirms very quick and efficient detection of various fault types in the first signal decomposition level of signal. The novelty of proposed algorithm lies in use of special type of Battle Lemarie mother wavelet having an advantage of perfect symmetry ensuring decomposition into B-Spline or same order polynomials capturing excellent speed and time-frequency localization of signal. The algorithm is tested for different fault parameters such as fault resistance, fault distance and time of initiation of faults considering EHV double circuit transmission line network and IEEE 9 Bus system developed in MATLAB environment. The proposed algorithm is capable of detecting all types of faults consistently within minimum time of 0.001 sec.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"23 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140412594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IoT-based real-time monitoring of supercapacitors used in electric vehicles 基于物联网的电动汽车超级电容器实时监控
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.2136
G. Shini, J. L. Febin Daya, P. Balamurugan
{"title":"IoT-based real-time monitoring of supercapacitors used in electric vehicles","authors":"G. Shini, J. L. Febin Daya, P. Balamurugan","doi":"10.22201/icat.24486736e.2024.22.1.2136","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.2136","url":null,"abstract":"The research focuses on the condition monitoring of supercapacitor systems installed in the electric vehicle that acts as the power source for the vehicle when it needs high power for a lesser time. This research work aims to introduce the Internet of Things in battery systems along with supercapacitors aiming to increase the efficiency and reliability of the system. In the corresponding research work, IoT-based condition monitoring for a 48V supercapacitor for an electric vehicle is implemented, the supercapacitor is charged using the phase shift full bridge DC-DC converter after that the data is transferred from the Matlab Simulink to the Thingspeak platform to enable IoT based application Hence establishing the real-time monitoring of super- capacitor. Introducing the Internet of Things will help researchers in a deeper understanding of supercapacitor behavior in a real-time environment as well as the real-time data will be helpful in the protection of the system. \u0000 ","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140414453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
improvement of signal communication for a foraging task using evolutionary robotics 利用进化机器人技术改进觅食任务的信号交流
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.1652
F. Aldana-Franco, F. Montes-González, S. Nolfi
{"title":"improvement of signal communication for a foraging task using evolutionary robotics","authors":"F. Aldana-Franco, F. Montes-González, S. Nolfi","doi":"10.22201/icat.24486736e.2024.22.1.1652","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.1652","url":null,"abstract":"Communication systems represent an evolutionary advantage for a group of robots solving coordinated tasks. In the field of evolutionary robotics, the emergence and establishment of communication are regulated by different variables. These systems are a tool produced by artificial evolution for the exchange of personal and environmental information. Since evolutionary processes involve multi-objective evolutionary methods, it is important to study all the mechanisms that affect the emergence and establishment of communication systems. One of these variables is the evolutionary advantage of emerging signals. In this article it is assumed that the signals appear because they are evolutionarily useful in solving a task. Emitter and receiver generate a process of conceptualization, which makes the signals associated with a meaning for the community. In this way an experiment is adapted to the FARSA simulator and the MARXBOT robot. This experiment consists of a group of robots that spend as much time as possible in a food zone and avoid a poisoned zone. Under normal conditions, robots tend to point to the food zone to attract the rest of the population. When the evolutionary importance of pointing out the food zone is reduced, the signals arise in different situations such as the presence of nearby objects and the poisoned zone. Communication is configured with the LED rings and linear cameras of the robots. In addition, an ethological method is adapted to quantify the behavioral effects of experimental manipulation.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"76 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140411379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Use of recycled concrete and rice husk ash for concrete: A review 在混凝土中使用再生混凝土和稻壳灰：综述
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.2248
S. Muñoz Pérez, E. Sánchez Díaz, D. Barboza-Cullqui, J. M. García-Chumacero
{"title":"Use of recycled concrete and rice husk ash for concrete: A review","authors":"S. Muñoz Pérez, E. Sánchez Díaz, D. Barboza-Cullqui, J. M. García-Chumacero","doi":"10.22201/icat.24486736e.2024.22.1.2248","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.2248","url":null,"abstract":"The rapid development of populations and the demand in the consumption of concrete is generating the need to produce larger quantities of cement, which brings with it negative effects for the environment. Approximately 0.87 kg of CO2 is produced by the manufacture of cement; In addition, the use of aggregates is generating great concern in the construction industry, due to the costs and the restriction of these. Similarly, the accumulation of construction and demolition waste (RCA) and rice husk ash (RHA) contribute to pollution. Therefore, the objective of this manuscript is to review the literature on the use of RCA and RHA for the elaboration of concrete. For this, indexed articles were used, between the years 2017-2021. The results showed that when 8% RHA is added, the concrete reaches a compressive strength of 70 MPa; as well as, the flexural strength of concrete by adding 50% RCA + 1.50% basalt microfibers was increased by 29.44%. On the other hand, when RHA is added by 15% it reaches a compressive strength of 48.8 MPa; in turn, the mechanical performance at bending with 10% seashell by fine aggregate and 20% RHA by cement, reached a resistance of 65 MPa. Concluding, that the behavior of concrete undoubtedly depends on the proportions of either RCA or RHA; however, the percentages must be no more than 8% and 15% respectively.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"92 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140408524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Active power compensator for a DC voltage bus of a renewable source 用于可再生能源直流电压母线的有功功率补偿器
Journal of Applied Research and Technology Pub Date : 2024-02-29 DOI: 10.22201/icat.24486736e.2024.22.1.2147
O. Morfín, M. Gomez, J. Rodríguez, M. Murillo, N. Padilla
{"title":"Active power compensator for a DC voltage bus of a renewable source","authors":"O. Morfín, M. Gomez, J. Rodríguez, M. Murillo, N. Padilla","doi":"10.22201/icat.24486736e.2024.22.1.2147","DOIUrl":"https://doi.org/10.22201/icat.24486736e.2024.22.1.2147","url":null,"abstract":"Renewable energy sources generate intermittent electrical power due to weather conditions, such as variations in wind speed and solar radiation. The distributed nature of renewable energy sources requires new techniques to maintain the quality of electrical service and efficient use of energy. One of these techniques uses of battery bank when a renewable energy source does not generate the power level contracted by the utility grid. In this article, a power compensator is proposed. It consists of a bidirectional DC converter located between the battery bank and the DC bus of the renewable source. This compensator has two operation modes: one to store the excessive power in a battery bank; the other to deliver power when power intermittency occurs. The validation of the proposed power compensator is made using a prototype where the DC voltage bus of a renewable energy source is emulated through a DC generator-motor group, which allows bidirectional power flow.","PeriodicalId":15073,"journal":{"name":"Journal of Applied Research and Technology","volume":"3 36","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140410471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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