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Experimental Analysis and Physical Mechanism Investigation of Al2O3 Effect on New and Aged Transformer Oil Properties Al2O3对新老变压器油性能影响的实验分析及物理机理研究
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.03c.15
A. H. Mashhadzadeh, S. Seyyedbarzegar, Alireza Samani
{"title":"Experimental Analysis and Physical Mechanism Investigation of Al2O3 Effect on New and Aged Transformer Oil Properties","authors":"A. H. Mashhadzadeh, S. Seyyedbarzegar, Alireza Samani","doi":"10.5829/ije.2023.36.03c.15","DOIUrl":"https://doi.org/10.5829/ije.2023.36.03c.15","url":null,"abstract":"","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70897584","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
Seismic Vulnerability Assessment of Existing RC Moment Frames using a New Stiffness Based Damage Index 基于刚度损伤指标的既有RC弯矩框架地震易损性评估
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.05b.16
M. Mazloom, N. Fallah
{"title":"Seismic Vulnerability Assessment of Existing RC Moment Frames using a New Stiffness Based Damage Index","authors":"M. Mazloom, N. Fallah","doi":"10.5829/ije.2023.36.05b.16","DOIUrl":"https://doi.org/10.5829/ije.2023.36.05b.16","url":null,"abstract":"","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70897912","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: 1
Effect of Aging Treatment on Microstructure and Mechanical Properties of Al0.7CoCrFeNi High Entropy Alloy 时效处理对Al0.7CoCrFeNi高熵合金组织和力学性能的影响
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.06c.04
N. Asgarkhani, M. Seifollahi, S. M. Abbasi
{"title":"Effect of Aging Treatment on Microstructure and Mechanical Properties of Al0.7CoCrFeNi High Entropy Alloy","authors":"N. Asgarkhani, M. Seifollahi, S. M. Abbasi","doi":"10.5829/ije.2023.36.06c.04","DOIUrl":"https://doi.org/10.5829/ije.2023.36.06c.04","url":null,"abstract":"In this study, the effects of aging times and temperatures on the microstructure, hardness and compression strength of Al0.7CoCrFeNi high entropy alloy have been investigated. The alloy was cast in a vacuum induction melting furnace, homogenized at 1250 ˚C for 6 h; then aged at 700 to 1000˚C for 2-8 h. The as-cast structure is dendritic and includes FCC(A1) and BCC(A2, B2) phases with the hardness of 497 HV. During ageing, B2 precipitates at the grain boundaries at 700˚C and the hardness increases about 7%. The ratio of BCC to FCC phases on the basis of XRD in as-cast alloy is approximately equal which is increased by ageing at 700˚C. At 800˚C, the formation of a destructive and hard phase of σ cause to increases the hardness to 543 HV and the ratio of (A2+B2)/A1 has decreased. At 1000 ˚C, the ratio of (A2+ B2)/A1 increases, and the peak intensity of σ decreases, so that the hardness","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70898049","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
Experimental Investigation on the Effect of Flow Rate and Load on the Hydrodynamic Behavior and Performance of an Archimedes Screw Turbine 流量和负荷对阿基米德螺杆式涡轮水动力性能影响的实验研究
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.04a.12
M. Zamani, R. Shafaghat, B. Alizadeh Kharkeshi
{"title":"Experimental Investigation on the Effect of Flow Rate and Load on the Hydrodynamic Behavior and Performance of an Archimedes Screw Turbine","authors":"M. Zamani, R. Shafaghat, B. Alizadeh Kharkeshi","doi":"10.5829/ije.2023.36.04a.12","DOIUrl":"https://doi.org/10.5829/ije.2023.36.04a.12","url":null,"abstract":"","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70898242","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: 1
A Baseline Free Method for Multiple Damage Identification and Localization using the Roving Mode Shape Response 基于粗纱模态振型响应的无基线多损伤识别与定位方法
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.05b.11
B. Patel, U. K. Dewangan
{"title":"A Baseline Free Method for Multiple Damage Identification and Localization using the Roving Mode Shape Response","authors":"B. Patel, U. K. Dewangan","doi":"10.5829/ije.2023.36.05b.11","DOIUrl":"https://doi.org/10.5829/ije.2023.36.05b.11","url":null,"abstract":"The identification of structural systems with unknown vibration signature response is still a challenging issue which has been addressed by many reviewers. The current sensor technology states that the sensor position should be very close to the damaged element in order to identify and localize the damage. The primary goal of this research is to present a baseline-free method using the roving mode shape response based, multiple damage localization in a cantilever beam. Consequently, the damage location indicator is based on the roving mode shape approach (DLRA). The theoretical development is carried out on a cantilever beam, a finite element model. The different cases for multiple damages i.e. 2 elements damage, 3 elements damage and 5 elements to be damage, at a time, have been modelled on the structural member. The system response, for the healthy and damaged structural systems, has been determined using the roving mode shape approach. Further, the algorithm has been developed for multiple damage identification and localization using MATLAB software. The combined mass and stiffness damage, as well as only the mass change damage, both cases were considered. From the results, it was found that the proposed method can reliably identify the damage and its position. The method will also be helpful while keeping the sensor’s position very close to the damage. The novelty of this method is that it uses the response which","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70898354","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: 3
Functionalized Halloysite Nanotubes and Graphene Oxide Nanosheets Fillers Incorporated in UF Membranes for Oil/Water Separation 功能化高岭土纳米管和氧化石墨烯纳米片填料在超滤膜中用于油/水分离
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.07a.01
M. Amid, N. Nabian, M. Delavar
{"title":"Functionalized Halloysite Nanotubes and Graphene Oxide Nanosheets Fillers Incorporated in UF Membranes for Oil/Water Separation","authors":"M. Amid, N. Nabian, M. Delavar","doi":"10.5829/ije.2023.36.07a.01","DOIUrl":"https://doi.org/10.5829/ije.2023.36.07a.01","url":null,"abstract":"","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70898817","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: 2
Effect of Combined Different Sources of Alumina Silicate on Mechanical Properties and Carbonation Depth of Environmentally Friendly Geopolymeric Composite Based on Metakaolin 不同来源硅酸铝复合材料对偏高岭土环保型地聚合物复合材料力学性能及碳化深度的影响
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.07a.18
A. Esparham, N. Mehrdadi
{"title":"Effect of Combined Different Sources of Alumina Silicate on Mechanical Properties and Carbonation Depth of Environmentally Friendly Geopolymeric Composite Based on Metakaolin","authors":"A. Esparham, N. Mehrdadi","doi":"10.5829/ije.2023.36.07a.18","DOIUrl":"https://doi.org/10.5829/ije.2023.36.07a.18","url":null,"abstract":"","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"44 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70898878","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
Experimental and Numerical Investigation of the Impact of Basalt Fibers and Tie Spacing on Short Concrete Column Behavior 玄武岩纤维与束间距对混凝土短柱性能影响的试验与数值研究
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.07a.10
Q. Hassan, A. Jabbar, D. Mohammed
{"title":"Experimental and Numerical Investigation of the Impact of Basalt Fibers and Tie Spacing on Short Concrete Column Behavior","authors":"Q. Hassan, A. Jabbar, D. Mohammed","doi":"10.5829/ije.2023.36.07a.10","DOIUrl":"https://doi.org/10.5829/ije.2023.36.07a.10","url":null,"abstract":"","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70899159","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
Effects of Xanthan Gum and Lime on Physical Properties and Mechanical Behavior of Organic Soil 黄原胶和石灰对有机土壤物理性质和力学行为的影响
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.10a.04
B. Zare, M. Mokhtari, R. Porhoseni
{"title":"Effects of Xanthan Gum and Lime on Physical Properties and Mechanical Behavior of Organic Soil","authors":"B. Zare, M. Mokhtari, R. Porhoseni","doi":"10.5829/ije.2023.36.10a.04","DOIUrl":"https://doi.org/10.5829/ije.2023.36.10a.04","url":null,"abstract":"","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70899578","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
Decimal to Excess-3 and Excess-3 to Decimal Code Converters in QCA Nanotechnology QCA纳米技术中的十进制到超3和超3到十进制代码转换器
IF 1.3
International Journal of Engineering Pub Date : 2023-01-01 DOI: 10.5829/ije.2023.36.09c.05
F. Fouladinia, M. Gholami
{"title":"Decimal to Excess-3 and Excess-3 to Decimal Code Converters in QCA Nanotechnology","authors":"F. Fouladinia, M. Gholami","doi":"10.5829/ije.2023.36.09c.05","DOIUrl":"https://doi.org/10.5829/ije.2023.36.09c.05","url":null,"abstract":"In this paper, two digital code converters are presented, excess-3 to decimal, and decimal to excess-3. The tile method is used to design proposed circuits in quantum-dot cellular automata (QCA) nanotechnology. The tile method gives a unique block for the majority and NOT gates. This property facilitates integrating circuits and since the NOT gate is not used in the tile method, the proposed circuits can do their work as fast as possible. Both of the proposed code converters has 1.75 clock cycles delay and have an energy dissipation of about 100meV. In the excess-3 code to decimal converter 516 cells are used, which occupy an area equal to 0.43µm 2 also in the decimal to excess-3 code converter. 321 cells are used, which occupy an area equal to 0.28 µm 2 .","PeriodicalId":14109,"journal":{"name":"International Journal of Engineering","volume":"1 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70899595","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: 4
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