Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1223
Washington Rojas Casaverde, Angel De La Torre Galdo, Ada L. Arancibia Samaniego, Rubén Esaú Mogrovejo Gutiérrez
Climate change adaptation measures are demanding the use of technologies that promote energy saving. The search for thermal comfort has encouraged the use of technologies such as the TES tank (Tank Energy System). This article presents the validation of the results obtained in the CFD simulation of a TES tank, through an evaluation of the model at 1/25 scale, to corroborate the thermal resistance of the tank whit thermal conductivity of 1.63 W/m. °K and expanded polystyrene with thermal conductivity of 0.036 W/m°K for both the walls and the lid. The circular TES tank designed guarantees, in addition to adequate thermal resistance, impermeability and durability so that it can function correctly during temperature measurements. In the model, the thermal resistance of the tank was corroborated, by obtaining an increase in the temperature of the temperature of the water in 8 hours of 7 °C (12.6 °F). That is, from 5.9 °C (42.62 °F) to 12.9 °C (55.22 °F), which does not exceed 15 °C (59 °F), the recommended value for its viability.
{"title":"Physical Modeling for Thermal Proposal Validation (TES) in Lima Offices with Air Conditioning","authors":"Washington Rojas Casaverde, Angel De La Torre Galdo, Ada L. Arancibia Samaniego, Rubén Esaú Mogrovejo Gutiérrez","doi":"10.7763/ijet.2023.v15.1223","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1223","url":null,"abstract":"Climate change adaptation measures are demanding the use of technologies that promote energy saving. The search for thermal comfort has encouraged the use of technologies such as the TES tank (Tank Energy System). This article presents the validation of the results obtained in the CFD simulation of a TES tank, through an evaluation of the model at 1/25 scale, to corroborate the thermal resistance of the tank whit thermal conductivity of 1.63 W/m. °K and expanded polystyrene with thermal conductivity of 0.036 W/m°K for both the walls and the lid. The circular TES tank designed guarantees, in addition to adequate thermal resistance, impermeability and durability so that it can function correctly during temperature measurements. In the model, the thermal resistance of the tank was corroborated, by obtaining an increase in the temperature of the temperature of the water in 8 hours of 7 °C (12.6 °F). That is, from 5.9 °C (42.62 °F) to 12.9 °C (55.22 °F), which does not exceed 15 °C (59 °F), the recommended value for its viability.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82049296","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}
Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1220
Xin-Zhi Huang, Chuko Cheng, Yu-Che Huang
These Identity design has been an important subject of human concern since ancient times. In ancient feudal society, the same group of people formed a pyramid structure. Taking the Qing Empire as an example, the emperor's robe is yellow with a dragon emblem embroidered on it, symbolizing the emperor's majesty, while the official robes are divided into bird patterns and animal patterns, forming a strict hierarchy. In addition to the level identification between the same groups, the power information and other information of different groups can also be clearly distinguished from each other. For example, the Japanese family crest shows the family information to which the individual belongs, while the European family crest is more of a multi-level presentation, which may include family, class, status and other information. In addition, both of them have a long history and culture and a well-structured and systematic emblem pattern. When later generations studied the totem emblem patterns in other regions, they invariably used the two as a reference for comparison. What are these coats of arms and coats of arms used as a basis for judging status and class? This is the goal of this study, and it is hoped that the final findings will serve as a reference for other researchers.
{"title":"Identification Design of the Emblem Pattern on the Official Robes of the Central Plains Dynasty — Taking the Ming Dynasty as an Example","authors":"Xin-Zhi Huang, Chuko Cheng, Yu-Che Huang","doi":"10.7763/ijet.2023.v15.1220","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1220","url":null,"abstract":"These Identity design has been an important subject of human concern since ancient times. In ancient feudal society, the same group of people formed a pyramid structure. Taking the Qing Empire as an example, the emperor's robe is yellow with a dragon emblem embroidered on it, symbolizing the emperor's majesty, while the official robes are divided into bird patterns and animal patterns, forming a strict hierarchy. In addition to the level identification between the same groups, the power information and other information of different groups can also be clearly distinguished from each other. For example, the Japanese family crest shows the family information to which the individual belongs, while the European family crest is more of a multi-level presentation, which may include family, class, status and other information. In addition, both of them have a long history and culture and a well-structured and systematic emblem pattern. When later generations studied the totem emblem patterns in other regions, they invariably used the two as a reference for comparison. What are these coats of arms and coats of arms used as a basis for judging status and class? This is the goal of this study, and it is hoped that the final findings will serve as a reference for other researchers.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89442149","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}
Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1215
Uyen Dao, Zaman Sajid, Yahui Zhang
Pipelines in the oil and gas industry have been used as one of the most practical and inexpensive methods for large-scale oil and gas transportation. In harsh operating conditions, these pipelines are susceptible to failure, which causes leakage of oil and gas and a significant impact on the environment and economy. Therefore, operational failure risk in oil and gas pipelines is paramount. This paper proposes a model to study the risk assessment of natural gas release in onshore gas pipelines in Vietnam. The methodology analyzes the causes of the failure of the gas pipeline by integrating Fault Tree Analysis (FTA) and fuzzy theory. Monte Carlo simulation is used to evaluate the level of uncertainty. The study identifies 21 risk factors that lead to the failure of the pipelines. The results of a case study on two pipelines in Vietnam reveal that the risk of pipeline failure due to rupture is higher than the failure risk due to puncture. Results also show that corrosion has lower chances of pipeline failure. However, it carries catastrophic consequences.
{"title":"Risk Assessment of Oil and Gas Pipelines Failure in Vietnam","authors":"Uyen Dao, Zaman Sajid, Yahui Zhang","doi":"10.7763/ijet.2023.v15.1215","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1215","url":null,"abstract":"Pipelines in the oil and gas industry have been used as one of the most practical and inexpensive methods for large-scale oil and gas transportation. In harsh operating conditions, these pipelines are susceptible to failure, which causes leakage of oil and gas and a significant impact on the environment and economy. Therefore, operational failure risk in oil and gas pipelines is paramount. This paper proposes a model to study the risk assessment of natural gas release in onshore gas pipelines in Vietnam. The methodology analyzes the causes of the failure of the gas pipeline by integrating Fault Tree Analysis (FTA) and fuzzy theory. Monte Carlo simulation is used to evaluate the level of uncertainty. The study identifies 21 risk factors that lead to the failure of the pipelines. The results of a case study on two pipelines in Vietnam reveal that the risk of pipeline failure due to rupture is higher than the failure risk due to puncture. Results also show that corrosion has lower chances of pipeline failure. However, it carries catastrophic consequences.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"91 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81565015","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}
Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1216
Minghui Wu, J. Sadhukhan, R. Murphy, U. Bharadwaj, X. Cui
The aviation sector is looking to replace conventional metals for aircraft doors with composite materials due to the latter’s potentially favorable combination of mechanical properties and low weight. However, little is known about the environmental impacts and economic costs associated with the production of such composite doors. This study conducts a Life Cycle Assessment and Life Cycle Costing on an example composite aircraft door to quantify its environmental and economic impacts. In addition, uncertainty analysis has been performed to enhance the quality of the assessment.
{"title":"Assessing the Life Cycle Environmental Performance and Economic Costs of Composite Materials in Certain Aircraft Structure","authors":"Minghui Wu, J. Sadhukhan, R. Murphy, U. Bharadwaj, X. Cui","doi":"10.7763/ijet.2023.v15.1216","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1216","url":null,"abstract":"The aviation sector is looking to replace conventional metals for aircraft doors with composite materials due to the latter’s potentially favorable combination of mechanical properties and low weight. However, little is known about the environmental impacts and economic costs associated with the production of such composite doors. This study conducts a Life Cycle Assessment and Life Cycle Costing on an example composite aircraft door to quantify its environmental and economic impacts. In addition, uncertainty analysis has been performed to enhance the quality of the assessment.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"1998 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88210762","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}
Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1217
Y. Murai, H. Tatsumi, Yumiko Ota, M. Miyakawa
The goal of this study is to support the walking of visually impaired people using AI and a small camera. It is difficult for the visually impaired to walk straight toward the target due to the characteristics of the disability. Even if they think they are walking straight, they will move off to the left and right. For this reason, they may have an accident such as falling from the platform of the train. In this report, in order to enable visually impaired people to walk safely toward the target, a small camera attached to the body captures the direction of travel, detects the area where the pedestrian can walk safely from the recorded pedestrian, and guide users there. We consider that the place where there are pedestrians is an area where we can walk safely. Pedestrians are detected from camera images using AI. Use sound to inform the user of the direction of travel. We prototyped these methods.
{"title":"Prototype of a Method to Support the Walking of Visually Impaired by Detecting the Walkable Area Using Pedestrians","authors":"Y. Murai, H. Tatsumi, Yumiko Ota, M. Miyakawa","doi":"10.7763/ijet.2023.v15.1217","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1217","url":null,"abstract":"The goal of this study is to support the walking of visually impaired people using AI and a small camera. It is difficult for the visually impaired to walk straight toward the target due to the characteristics of the disability. Even if they think they are walking straight, they will move off to the left and right. For this reason, they may have an accident such as falling from the platform of the train. In this report, in order to enable visually impaired people to walk safely toward the target, a small camera attached to the body captures the direction of travel, detects the area where the pedestrian can walk safely from the recorded pedestrian, and guide users there. We consider that the place where there are pedestrians is an area where we can walk safely. Pedestrians are detected from camera images using AI. Use sound to inform the user of the direction of travel. We prototyped these methods.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"30 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89931173","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}
Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1219
Shu-fang Cheng, Chia-Yeuan Han
A hospital is a place where sick patients are treated, treatments can be one-time, short-term, and long-term, such as chemotherapy and rehabilitation. The more patients who need to be treated; the more valuable medical resources become. With the increase of human population and the used of medical resources, how to effectively arrange medical resources has become the major problem faced by medical centers. However, different medical departments have different kinds of medical resources, and customizing the scheduling system for each department is not an effective approach. To solve this problem, we surveyed different medical departments in a (Medical Center in Southern Taiwan, summarize the needed, implemented a modularization Medical Scheduling System (MSS), for a Medical Center in Southern Taiwan, and resolve the complex appointment scheduling problem in a multi-clinic. The MSS improves work assignment effective and sensible utilization in medical device. Furthermore, it can be used for epidemic prevention and the control of Covid-19 pandemic. Based on the confirmed cases, we can identify potential contacts via MSS and contain the coronavirus.
{"title":"Modularization Medical Scheduling System for Multi-clinical Departments at Medical Center","authors":"Shu-fang Cheng, Chia-Yeuan Han","doi":"10.7763/ijet.2023.v15.1219","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1219","url":null,"abstract":"A hospital is a place where sick patients are treated, treatments can be one-time, short-term, and long-term, such as chemotherapy and rehabilitation. The more patients who need to be treated; the more valuable medical resources become. With the increase of human population and the used of medical resources, how to effectively arrange medical resources has become the major problem faced by medical centers. However, different medical departments have different kinds of medical resources, and customizing the scheduling system for each department is not an effective approach. To solve this problem, we surveyed different medical departments in a (Medical Center in Southern Taiwan, summarize the needed, implemented a modularization Medical Scheduling System (MSS), for a Medical Center in Southern Taiwan, and resolve the complex appointment scheduling problem in a multi-clinic. The MSS improves work assignment effective and sensible utilization in medical device. Furthermore, it can be used for epidemic prevention and the control of Covid-19 pandemic. Based on the confirmed cases, we can identify potential contacts via MSS and contain the coronavirus.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76367607","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}
Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1218
Jiqiang Guo, Ming Xu, Xiaoting Zhang, Shang Xiao, Riyan Lan
Because the landslide has an important influence on the internal force and deformation of the existing tunnel, and the research on the stress and deformation of the tunnel in the landslide area tends to field engineering monitoring, the corresponding theoretical analysis is relatively small, and there are some defects. First, Pasternak two parameter foundation model is introduced to establish the elastic foundation beam model of tunnel landslide interaction, which solves the soil discontinuity of Winkler foundation in the previous theory, and the transfer matrix method is used to derive the transfer matrix formula. Then, Matrix Laboratory (MATLAB) is used to compile the corresponding calculation program to analyze the distribution characteristics of internal force and deformation of the tunnel. Finally, the influence of relevant parameters such as the elastic coefficient of foundation inside and outside the landslide deformation area, the magnitude and distribution of landslide thrust, and the foundation shear stiffness inside and outside the landslide area are analyzed.
{"title":"Analysis of Stress and Deformation Law of Tunnel Crossing Sliding Body Based on Pasternak Two Parameter Foundation Assumption","authors":"Jiqiang Guo, Ming Xu, Xiaoting Zhang, Shang Xiao, Riyan Lan","doi":"10.7763/ijet.2023.v15.1218","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1218","url":null,"abstract":"Because the landslide has an important influence on the internal force and deformation of the existing tunnel, and the research on the stress and deformation of the tunnel in the landslide area tends to field engineering monitoring, the corresponding theoretical analysis is relatively small, and there are some defects. First, Pasternak two parameter foundation model is introduced to establish the elastic foundation beam model of tunnel landslide interaction, which solves the soil discontinuity of Winkler foundation in the previous theory, and the transfer matrix method is used to derive the transfer matrix formula. Then, Matrix Laboratory (MATLAB) is used to compile the corresponding calculation program to analyze the distribution characteristics of internal force and deformation of the tunnel. Finally, the influence of relevant parameters such as the elastic coefficient of foundation inside and outside the landslide deformation area, the magnitude and distribution of landslide thrust, and the foundation shear stiffness inside and outside the landslide area are analyzed.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"94 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91063822","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}
Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1222
Guodong Luo, Jirong He, tianwen Lin, Yibai Wang
Starting from the construction of an intelligent medical and health system for elderly care, it is proposed to use improved Particle Swarm Optimization Algorithm (PSOA) data fusion algorithm, network video surveillance technology, and hardware equipment such as Radio-Frequency Identification (RFID) smart bracelets and intelligent mobile robots to establish a distributed elderly care The intelligent service system collects vital signs, human movements, human posture characteristics, and position change information of the elderly, and uses improved PSOA data fusion algorithm, the data fusion processing of different types of human body information is completed, which not only greatly improves the utilization rate of medical resources for the elderly, but also ensures the data fusion accuracy of human health detection for the elderly. The improved PSOA neural network data fusion results can provide support for the intelligent care of the elderly care institutions.
{"title":"Development of Intelligent Old-Age Medical and Health System Based on Data Fusion","authors":"Guodong Luo, Jirong He, tianwen Lin, Yibai Wang","doi":"10.7763/ijet.2023.v15.1222","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1222","url":null,"abstract":"Starting from the construction of an intelligent medical and health system for elderly care, it is proposed to use improved Particle Swarm Optimization Algorithm (PSOA) data fusion algorithm, network video surveillance technology, and hardware equipment such as Radio-Frequency Identification (RFID) smart bracelets and intelligent mobile robots to establish a distributed elderly care The intelligent service system collects vital signs, human movements, human posture characteristics, and position change information of the elderly, and uses improved PSOA data fusion algorithm, the data fusion processing of different types of human body information is completed, which not only greatly improves the utilization rate of medical resources for the elderly, but also ensures the data fusion accuracy of human health detection for the elderly. The improved PSOA neural network data fusion results can provide support for the intelligent care of the elderly care institutions.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77119342","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}
Pub Date : 2023-05-01DOI: 10.7763/ijet.2023.v15.1221
Y.P. You, Jie Li, Xiaofang Yan, Xiaoping Bai, Guang Yang, Y. Chen
Based on the finite element software, a calculation model of cold working forming (pier thickness) of rivet type electrical contact materials was established, and the effects of different material properties (elongation, elastic modulus and hardness) on the cold working of AgSnO2 electrical contact materials were analyzed. The proposed simulation technology fills the gap in the force analysis method of silver alloy rivets, and can provide certain technical theory and process parameter design basis for rivet deformation control.
{"title":"Influence of Different Material Properties on Cold Working of AgSnO2 Electrical Contact Material","authors":"Y.P. You, Jie Li, Xiaofang Yan, Xiaoping Bai, Guang Yang, Y. Chen","doi":"10.7763/ijet.2023.v15.1221","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1221","url":null,"abstract":"Based on the finite element software, a calculation model of cold working forming (pier thickness) of rivet type electrical contact materials was established, and the effects of different material properties (elongation, elastic modulus and hardness) on the cold working of AgSnO2 electrical contact materials were analyzed. The proposed simulation technology fills the gap in the force analysis method of silver alloy rivets, and can provide certain technical theory and process parameter design basis for rivet deformation control.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91171920","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}
Pub Date : 2023-02-01DOI: 10.7763/ijet.2023.v15.1211
M. Aganbegović, C. Reinhold, Volker Markgraf, Ralf Schell
Power cables are connected with ferrules or lugs in the area of high, medium and low voltage. Nowadays, there are two main installing techniques, which are state of the art: compression or crimping and bolted mechanical connections. The bolted mechanical connectors are installed by hand with the use of a mechanical wrench. The customer demand of using impact wrenches (IW) is growing because of the higher installation comfort. However, these techniques differ from each other significantly as the quality of the connection depends on the screwing force applied by the bolt to the conductor. Therefore, a new approach by using a cordless screwdriver was investigated. This contribution addresses the topic of the quality of the electrical connection as a function of the assembly method used on mechanical connectors. In particular, the focus is on assembly by hand with the support of mechanical wrenches and assembly with impact wrenches. Furthermore, a method is presented that combines the advantages of both methods, whereby the disadvantages are eliminated. This involves the use of an adapter, the torque amplifier, which is part of the installation philosophy of Nexans Power Accessories. First, the fundamentals as well as the current state of the art of connection technology are presented. This is followed by a description of the assembly methods and materials used in this work and a comparison of the electrical, mechanical and thermal properties according to IEC 61238 of the connection using the different assembly techniques. Finally, the advantages and disadvantages are compared and presented and discussed using tabular and graphical representations.
{"title":"Influence of the Assembly Method of Medium Voltage Mechanical Connectors on the Quality of the Electrical Connection","authors":"M. Aganbegović, C. Reinhold, Volker Markgraf, Ralf Schell","doi":"10.7763/ijet.2023.v15.1211","DOIUrl":"https://doi.org/10.7763/ijet.2023.v15.1211","url":null,"abstract":"Power cables are connected with ferrules or lugs in the area of high, medium and low voltage. Nowadays, there are two main installing techniques, which are state of the art: compression or crimping and bolted mechanical connections. The bolted mechanical connectors are installed by hand with the use of a mechanical wrench. The customer demand of using impact wrenches (IW) is growing because of the higher installation comfort. However, these techniques differ from each other significantly as the quality of the connection depends on the screwing force applied by the bolt to the conductor. Therefore, a new approach by using a cordless screwdriver was investigated. This contribution addresses the topic of the quality of the electrical connection as a function of the assembly method used on mechanical connectors. In particular, the focus is on assembly by hand with the support of mechanical wrenches and assembly with impact wrenches. Furthermore, a method is presented that combines the advantages of both methods, whereby the disadvantages are eliminated. This involves the use of an adapter, the torque amplifier, which is part of the installation philosophy of Nexans Power Accessories. First, the fundamentals as well as the current state of the art of connection technology are presented. This is followed by a description of the assembly methods and materials used in this work and a comparison of the electrical, mechanical and thermal properties according to IEC 61238 of the connection using the different assembly techniques. Finally, the advantages and disadvantages are compared and presented and discussed using tabular and graphical representations.","PeriodicalId":14142,"journal":{"name":"International journal of engineering and technology","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85525982","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}
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