Pub Date : 2022-01-01DOI: 10.1504/ijrs.2022.10053777
Ahmadou Bouba Oumarou, Bouba Oumarou Aboubakar, Hong xia Li
This paper, after assessing and ranking power shortage causes in Cameroon's northern Interconnected Grid, summarises the impact of power shortage on poor households and district hospitals. The results showed a drop of 40% of the supplied energy and the fluctuations of demand continued across the COVID-19 period till July in 2021 after lockdown, thus a low influence of the pandemic. The results also revealed a low influence of temperature and precipitations in the energy crisis. Instead, it was found that the most important factor that led to power shortage is electricity production cost which is higher than market price. Out of seven hypotheses tested by the structural model developed, five were significantly supported and two were rejected. The hypothesis testing showed that electrical fire safety and patient care in hospitals are both positively significantly affected by load shedding, hospital management and user's safety commitment and knowledge. Also, the results showed that neither safety knowledge nor safety impact is affected by demographic and socioeconomic variables. Using these results, a series of recommendations were given to energy practitioners and grid managers.
{"title":"Post COVID-19 electrical load shedding on Cameroon's northern interconnected grid: causes, safety impact and solution proposals","authors":"Ahmadou Bouba Oumarou, Bouba Oumarou Aboubakar, Hong xia Li","doi":"10.1504/ijrs.2022.10053777","DOIUrl":"https://doi.org/10.1504/ijrs.2022.10053777","url":null,"abstract":"This paper, after assessing and ranking power shortage causes in Cameroon's northern Interconnected Grid, summarises the impact of power shortage on poor households and district hospitals. The results showed a drop of 40% of the supplied energy and the fluctuations of demand continued across the COVID-19 period till July in 2021 after lockdown, thus a low influence of the pandemic. The results also revealed a low influence of temperature and precipitations in the energy crisis. Instead, it was found that the most important factor that led to power shortage is electricity production cost which is higher than market price. Out of seven hypotheses tested by the structural model developed, five were significantly supported and two were rejected. The hypothesis testing showed that electrical fire safety and patient care in hospitals are both positively significantly affected by load shedding, hospital management and user's safety commitment and knowledge. Also, the results showed that neither safety knowledge nor safety impact is affected by demographic and socioeconomic variables. Using these results, a series of recommendations were given to energy practitioners and grid managers.","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710273","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 : 2022-01-01DOI: 10.1504/ijrs.2022.10051370
M. Alam, S. Anas, M. Shariq
{"title":"Blast resistance prediction of clay brick masonry wall strengthened with steel wire mesh, and C-FRP laminate under explosion loading: a finite element analysis","authors":"M. Alam, S. Anas, M. Shariq","doi":"10.1504/ijrs.2022.10051370","DOIUrl":"https://doi.org/10.1504/ijrs.2022.10051370","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710255","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 : 2022-01-01DOI: 10.1504/ijrs.2022.131451
Jiahui Zhan, Yongjin Zhang, Yanjun Zhang, T. Chun
{"title":"Coordination reliability evaluation on raw material input and molten iron output for intelligent iron-making system","authors":"Jiahui Zhan, Yongjin Zhang, Yanjun Zhang, T. Chun","doi":"10.1504/ijrs.2022.131451","DOIUrl":"https://doi.org/10.1504/ijrs.2022.131451","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710168","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 : 2022-01-01DOI: 10.1504/ijrs.2022.10053783
M. Zerrouk, Nabil El Akchioui, Hamid El Moumen
{"title":"Reliability analysis by Markov model and stochastic estimator of stochastic Petri nets","authors":"M. Zerrouk, Nabil El Akchioui, Hamid El Moumen","doi":"10.1504/ijrs.2022.10053783","DOIUrl":"https://doi.org/10.1504/ijrs.2022.10053783","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710159","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 : 2022-01-01DOI: 10.1504/ijrs.2023.10056033
M. Umair, S. Anas, Meraj Alam, M. Aamir, Faris A. Uriayar, Rafat Tahzeeb
{"title":"Numerical simulation of a bowstring steel highway girder bridge response to blast loads: model development and anti-blast performance prediction","authors":"M. Umair, S. Anas, Meraj Alam, M. Aamir, Faris A. Uriayar, Rafat Tahzeeb","doi":"10.1504/ijrs.2023.10056033","DOIUrl":"https://doi.org/10.1504/ijrs.2023.10056033","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710292","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}
{"title":"Reliability assignment of a heavy-duty CNC machine tool spindle system based on fault tree analysis","authors":"Chenguang Li, Jih-Yau Wang, Chuncheng Guo, Junfeng Zhang, Hongxia Chen","doi":"10.1504/ijrs.2022.10053782","DOIUrl":"https://doi.org/10.1504/ijrs.2022.10053782","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710150","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 : 2022-01-01DOI: 10.1504/ijrs.2022.131470
Ajibola Ibrahim Quadri, J. O. Afolayan
{"title":"Reliability assessment of H-section tapered electric power distribution concrete poles","authors":"Ajibola Ibrahim Quadri, J. O. Afolayan","doi":"10.1504/ijrs.2022.131470","DOIUrl":"https://doi.org/10.1504/ijrs.2022.131470","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710227","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 : 2022-01-01DOI: 10.1504/ijrs.2023.10054210
K. Jia, Risu Na, Haitang Cen, Weiguo Zhang, Quan Zhang
{"title":"Multi-failure mode correlation and dynamic reliability evaluation of helical gears of ring die pellet mill","authors":"K. Jia, Risu Na, Haitang Cen, Weiguo Zhang, Quan Zhang","doi":"10.1504/ijrs.2023.10054210","DOIUrl":"https://doi.org/10.1504/ijrs.2023.10054210","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710283","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 : 2022-01-01DOI: 10.1504/ijrs.2022.10046666
D. Yadav, James Herbert
{"title":"Unintentional non-compliance or sheer ignorance of aircraft safety regulations: a critical analysis of a safety occurrence in Australian general aviation","authors":"D. Yadav, James Herbert","doi":"10.1504/ijrs.2022.10046666","DOIUrl":"https://doi.org/10.1504/ijrs.2022.10046666","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710204","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 : 2022-01-01DOI: 10.1504/ijrs.2022.10053780
H. A. Qrewi, A. A. George, P. V. Laxmi
{"title":"Performance of batch service queue model with second optional service, repairable breakdown and standby server","authors":"H. A. Qrewi, A. A. George, P. V. Laxmi","doi":"10.1504/ijrs.2022.10053780","DOIUrl":"https://doi.org/10.1504/ijrs.2022.10053780","url":null,"abstract":"","PeriodicalId":39031,"journal":{"name":"International Journal of Reliability and Safety","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66710073","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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