{"title":"The total fuel consumption of low-speed engine ship with kite","authors":"V. Shostak, Aliona I. Kisarova","doi":"10.15589/JNN20160302","DOIUrl":"https://doi.org/10.15589/JNN20160302","url":null,"abstract":"","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129228304","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}
Various types of seals are widely used in the asynchronous motors (AM), but it is often not possible to achieve an acceptable seal. The solution of this problem is possible using magnetic sealing complexes. A comparison of the average failure rate of the AM series VASO showed that the failure rate depends on the seasonal climatic changes and reaches a maximum in winter when completing AM with gland seals, and does not change during the year when completing AM with MSC. It has been confirmed that the operation of AM with MSC practically does not depend on climatic factors and reduces the technogenic risk level of sealing system when replacing gland seal with MSC in 4...7 times.
{"title":"Technical risk assessment when replacing the traditional seal with magnetic sealing complexes taking into account climatic factors","authors":"O. Radionov","doi":"10.15589/JNN20160319","DOIUrl":"https://doi.org/10.15589/JNN20160319","url":null,"abstract":"Various types of seals are widely used in the asynchronous motors (AM), but it is often not possible to achieve an acceptable seal. The solution of this problem is possible using magnetic sealing complexes. A comparison of the average failure rate of the AM series VASO showed that the failure rate depends on the seasonal climatic changes and reaches a maximum in winter when completing AM with gland seals, and does not change during the year when completing AM with MSC. It has been confirmed that the operation of AM with MSC practically does not depend on climatic factors and reduces the technogenic risk level of sealing system when replacing gland seal with MSC in 4...7 times.","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115570462","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":"Improvement indicators weight and size of contact- condensers gas-steam turbine settings for objects sea infrastructure","authors":"Oleksandr S. Bortsov, A. Shevtsov","doi":"10.15589/JNN20160308","DOIUrl":"https://doi.org/10.15589/JNN20160308","url":null,"abstract":"","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122136953","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}
Вивчені фізико-хімічних закономірності адсорбції спученим вермикулітом стічних вод від катіонних поверхнево-активних речовин. Експериментально дослідженні ізотерми адсорбції КПАР вермикулітом, кінетика цього процесу та характер впливу на нього різноманітних чинників. Проведені дослідження показали ефективність використання спученого вермикуліту як адсорбенту КПАР із водних розчинів. Розроблена технологія очищення (доочищення) стічних вод від КПАР.
{"title":"Фізико-хімічні закономірності адсорбційного очищення вермикулітом стічних вод від катіонних поверхнево-активних речовин","authors":"Oleksandr H. Nevynskyi, Tsvietana R. Yashchenko","doi":"10.15589/JNN20160317","DOIUrl":"https://doi.org/10.15589/JNN20160317","url":null,"abstract":"Вивчені фізико-хімічних закономірності адсорбції спученим вермикулітом стічних вод від катіонних поверхнево-активних речовин. Експериментально дослідженні ізотерми адсорбції КПАР вермикулітом, кінетика цього процесу та характер впливу на нього різноманітних чинників. Проведені дослідження показали ефективність використання спученого вермикуліту як адсорбенту КПАР із водних розчинів. Розроблена технологія очищення (доочищення) стічних вод від КПАР.","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114316076","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}
V. Shevchenko, Oleksandr M. Filipshchuk, Oleksandr Frolov
{"title":"The development, testing and implementation of electrodialysis desalination plant on ships","authors":"V. Shevchenko, Oleksandr M. Filipshchuk, Oleksandr Frolov","doi":"10.15589/jnn20160306","DOIUrl":"https://doi.org/10.15589/jnn20160306","url":null,"abstract":"","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127492896","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}
Leonid Z. Boguslavskyi, L. Ovchinnikova, S. V. Chushchak, S. S. Kozyrev
{"title":"Study of volume discharge in electrofiltration gas systems","authors":"Leonid Z. Boguslavskyi, L. Ovchinnikova, S. V. Chushchak, S. S. Kozyrev","doi":"10.15589/jnn20160310","DOIUrl":"https://doi.org/10.15589/jnn20160310","url":null,"abstract":"","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129889983","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}
The article deals with automatic control at the arc of plasma welding and associated processes and technologies. The article engages mathematical techniques common in the description of automatic control systems. The article presents the results of the analytical study of dynamic processes occurring in the circuit of an electric arc with a capacity. The results of mathematical modeling that allow predicting the instability of the system with an integrated linear or non-linear load are rendered. Accounting for the reference to the object of automatic regulation (arc or plasma), the suggested materials can be of particular interest for a wide range of specialists in the field of welding production, as well as those engaged in the research of automatic control systems in converters.
{"title":"Нестійкість режиму в колі з ємністю і зварювальною електричною і плазмовою дугою, що живиться від джерела постійного струму","authors":"Yevhen N. Vereshchaho, Vitalii I. Kostiuchenko","doi":"10.15589/jnn20160309","DOIUrl":"https://doi.org/10.15589/jnn20160309","url":null,"abstract":"The article deals with automatic control at the arc of plasma welding and associated processes and technologies. The article engages mathematical techniques common in the description of automatic control systems. The article presents the results of the analytical study of dynamic processes occurring in the circuit of an electric arc with a capacity. The results of mathematical modeling that allow predicting the instability of the system with an integrated linear or non-linear load are rendered. Accounting for the reference to the object of automatic regulation (arc or plasma), the suggested materials can be of particular interest for a wide range of specialists in the field of welding production, as well as those engaged in the research of automatic control systems in converters.","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117028521","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":"Features of the world sailing regatta by yacht","authors":"Svitlana H. Yeroshkina","doi":"10.15589/JNN20160304","DOIUrl":"https://doi.org/10.15589/JNN20160304","url":null,"abstract":"","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121252069","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":"About practical significance and reliability of the results obtained by the method of optimum foreship transformation","authors":"I. Davydov, A. Pechenyuk","doi":"10.15589/JNN20160301","DOIUrl":"https://doi.org/10.15589/JNN20160301","url":null,"abstract":"","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114266101","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}
The energy flows in the propulsion plant with low-speed engine MAN 14S90ME–C9.2–TII are considered. It is noted that only one quarter of the energy released by combustion of fuel in the engine cylinder is transformed in propeller thrust. The amount of heat from the charge air slightly exceeds the amount of heat from exhaust gases when the engine’s load is 90% and under ISO conditions. The thermal scheme of exhaust heat recovery and air charging system at reasonable for marine conditions cooling depth has been presented and analyzed. Operating parameters of the system are shown in the diagram «Temperature — Heat». In the diagram «enthalpy — entropy» there has been considered a steam expansion process occurring in the turbine with two transitional supplies of superheated steam. It is indicated that all primary superheat pressure is needed to avoid excessive humidity of steam at the end of the expansion process.
{"title":"Глибока утилізація теплоти відхідних газів і стисненого повітря сучасного малообертового двигуна","authors":"Volodymyr P. Shostak, Anton Yu. Manziuk","doi":"10.15589/JNN20160305","DOIUrl":"https://doi.org/10.15589/JNN20160305","url":null,"abstract":"The energy flows in the propulsion plant with low-speed engine MAN 14S90ME–C9.2–TII are considered. It is noted that only one quarter of the energy released by combustion of fuel in the engine cylinder is transformed in propeller thrust. The amount of heat from the charge air slightly exceeds the amount of heat from exhaust gases when the engine’s load is 90% and under ISO conditions. The thermal scheme of exhaust heat recovery and air charging system at reasonable for marine conditions cooling depth has been presented and analyzed. Operating parameters of the system are shown in the diagram «Temperature — Heat». In the diagram «enthalpy — entropy» there has been considered a steam expansion process occurring in the turbine with two transitional supplies of superheated steam. It is indicated that all primary superheat pressure is needed to avoid excessive humidity of steam at the end of the expansion process.","PeriodicalId":128354,"journal":{"name":"Collection of Scientific Publications NUS","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128694059","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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