Volodymyr Hennadiiovych Vitolberh, D. O. Potapov, Alina Serhiivna Malishevska, Nadiia Oleksandrivna Muryhina
{"title":"АНАЛІЗ ЕКСПЛУАТАЦІЙНОЇ СТІЙКОСТІ РЕЙОК НА ЛІНІЯХ ХАРКІВСЬКОГО МЕТРОПОЛІТЕНУ","authors":"Volodymyr Hennadiiovych Vitolberh, D. O. Potapov, Alina Serhiivna Malishevska, Nadiia Oleksandrivna Muryhina","doi":"10.18664/1994-7852.184.2019.176427","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.176427","url":null,"abstract":"","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121324511","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":"DETERMINATION OF LOADING FOR A CONTAINER LOCATED ON A FLAT WAGON UNDER VISCO-ELASTIC INTERACTION BETWEEN FITTINGS AND FITTING STOPS","authors":"A. Lovska","doi":"10.18664/1994-7852.184.2019.171446","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.171446","url":null,"abstract":"","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125555574","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":"CALCULATION OF THE CONVENIENT NATURE FREQUENCY OF POWER BOILER IN MANAGER BUILDINGS IN THE CONDITIONS OF EXTERNAL AND DOMESTIC ENVIRONMENTAL CHANGES","authors":"V. Deshko, Inna Bilous, H. Hetmanchuk","doi":"10.18664/1994-7852.184.2019.176404","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.176404","url":null,"abstract":"Taking into account the development of the normative base of Ukraine regarding the assessment of energy efficiency of buildings, aimed at reducing the time intervals of calculation, it is important to calculate the level of energy efficiency taking into account the variability of environmental conditions. It should be noted that air exchange is one of the most influential components in the energy balance of the building. The article deals with the generalized method of calculating the natural component of the multiplicity of air exchange. The calculations used data file IWEC international climate typical year for the city of Kyiv. In this work the building is considered as a system and the air exchange of premises of the 8 storey building is calculated. The natural component of the multiplicity of air exchange is designed to support air permeability of the most typical characteristics of translucent structures. It is established that for modern double-glazed windows the hourly calculation of the natural component of the multiplicity of air exchange at a different location of representative premises showed that the value does not exceed 0, 25 h -1 , triple glazing in wooden twisted weaving – 0,4 h -1 , double -0,65 h -1 . It should be noted that in the first floors, the natural component of the multiplicity of air exchange has a positive value (air infiltration) on the upper floors, the negative value (air exfiltration), which must be taken into account when dynamically modeling the energy characteristics of the building. In order to maintain the normative value of the multiplicity of air exchange during the presence of people in the room, it is necessary to use mechanical ventilation additionally. In further research, it is planned to clarify the conditions of air traffic flooding taking into account the landscape, taking into account mechanical ventilation and recovery.","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114688524","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":"DETERMINATION OF TECHNOLOGICAL PARAMETERS OF THE AEROSOL TYPE RAIL LUBRICATORS","authors":"B. Asadov","doi":"10.18664/1994-7852.184.2019.176431","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.176431","url":null,"abstract":"У статті наведені результати експериментальних досліджень технологічних параметрів дослідного зразка рейкозмащувача аерозольного типу. Дослідний зразок являє собою мастильний агрегат закритого типу, який живиться стисненим повітрям і дає змогу виконувати регулювання подачі повітря та оливи до робочої форсунки. Для нанесення мастильного матеріалу на робочу поверхню використовується коаксіальна форсунка із зовнішнім утворенням аерозолю – суміші оливи та повітря. Вимірювались геометричні розміри плями оливи, нанесеної на вертикальну поверхню, залежно від відстані між форсункою та поверхнею. Також були встановлені залежності ширини плями оливи, товщини мастильного шару та граничного часу розпилу від подачі оливи та повітря. За результатами лабораторних досліджень була виконана оцінка ефективності рейкозмащувача аерозольного типу за критерієм загальної витрати мастильного матеріалу за прогнозований ресурс рейок у кривих ділянках колії. Ключові слова: рейка, мастильний матеріал, стиснене повітря, рейкозмащувач, аерозоль.","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114184675","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}
Oleg Eduardovich Shander, Yulia Valerievna Shander, Alina Gnatenko, Julia Zinchenko
{"title":"АНАЛІЗ СТАТИСТИЧНИХ ДАНИХ ЩОДО ОРГАНІЗАЦІЇ ШВИДКІСНОГО РУХУ НА МЕРЕЖІ ЗАЛІЗНИЦЬ УКРАЇНИ","authors":"Oleg Eduardovich Shander, Yulia Valerievna Shander, Alina Gnatenko, Julia Zinchenko","doi":"10.18664/1994-7852.185.2019.180618","DOIUrl":"https://doi.org/10.18664/1994-7852.185.2019.180618","url":null,"abstract":"","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123880791","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}
O. Dovzhenko, V. Pohribnyi, Volodymyr Kobyletskyi, T. Sovenko
{"title":"TO THE QUESTION OF THE TECHNICAL CONDITION EVALUATION OF BENDING REINFORCED CONCRETE CONSTRUCTIONS","authors":"O. Dovzhenko, V. Pohribnyi, Volodymyr Kobyletskyi, T. Sovenko","doi":"10.18664/1994-7852.184.2019.176097","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.176097","url":null,"abstract":"Галагуря Євгеній Іванович, канд. техн. наук, доцент кафедри будівельної механіки та гідравліки Українського державного університету залізничного транспорту. Тел.: (067)9384346. E-mail: evgeniygalagurya@gmail.com . Ковальов Максим Олександрович, канд. техн. наук, доцент кафедри будівельної механіки та гідравліки Українського державного університету залізничного транспорту. Тел.: (050)633-50-81. E-mail: maks_kov@ukr.net. Кравців Лариса Богданівна, канд. техн. наук, доцент кафедри будівельної механіки та гідравліки Українського державного університету залізничного транспорту. Тел.: (050)160-62-24. E-mail: Laura_Kravtsiv@ukr.net. Петренко Дмитро Григорович, канд. техн. наук, асистент кафедри будівельної механіки та гідравліки Українського державного університету залізничного транспорту. Тел.: (099)467-58-46. E-mail: petrenko_dmytro@ukr.net. Биченок Ігор Володимирович, аспірант кафедри будівельної механіки та гідравліки Українського державного університету залізничного транспорту. Тел.:(063)706-07-22. E-mail: igorbuchenok2111@gmail.co m.","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131445846","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}
Volodimir Moroz, Alexander Vasilyevich Bratchenko, Volodimir Igorovych Gromov
{"title":"NEW METHOD OF DYNAMIC SYNTHESIS OF HIGHLY CAM DRIVE VALVES OF DIESEL","authors":"Volodimir Moroz, Alexander Vasilyevich Bratchenko, Volodimir Igorovych Gromov","doi":"10.18664/1994-7852.184.2019.171481","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.171481","url":null,"abstract":"Запропоновано новий метод динамічного синтезу безударних профілів кулачків привода клапанів форсованих транспортних дизелів. Зазначено, що особливістю такого методу є формування базової кривої прискорень штовхача, параметри якої ураховують не тільки умови забезпечення якісних газообмінних процесів у циліндрі, а і встановлені обмеження на виготовлення та характеристики функціонування механізмів привода клапанів. Надано результати профілювання нових кулачків привода клапанів транспортного дизеля ЧН26/27, проведеного з використанням розробленого методу. Показано, що застосування кулачків з новими профілями на працюючому дизелі забезпечить суттєве підвищення часу-перерізу клапанів. Обґрунтовано рекомендації щодо використання розглянутого підходу при конструюванні нових і модернізації існуючих чотиритактних транспортних дизелів. Ключові слова: транспортні дизелі, привод клапанів, кулачки, динамічний синтез, новий метод.","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130341963","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}
O. Grygorov, G. Anischenko, V. Stryzhak, N. Petrenko, O. Turchyn, A. Okun
{"title":"GLOBAL MEGATRENDS OF HUMANITY, FOURTH INDUSTRIAL REVOLUTION AND DEVELOPMENTS OF THE FUTURE ECONOMY. BIG DATA","authors":"O. Grygorov, G. Anischenko, V. Stryzhak, N. Petrenko, O. Turchyn, A. Okun","doi":"10.18664/1994-7852.184.2019.176408","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.176408","url":null,"abstract":"","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"45 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132624010","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":"CALCULATION OF THE THIN-WALLED CYLINDRICAL SHELLS AT THE ASYMMETRIC LOAD BY USING THE GENERAL THEORY","authors":"N. Makhinko","doi":"10.18664/1994-7852.184.2019.176130","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.176130","url":null,"abstract":"","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125463369","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":"COMPARATIVE ANALYSIS OF THE ACCURACY OF COMMUTATION CURRENT MODELS, WHICH TAKE INTO ACCOUNT THE PRESENCE OF SHORT-CIRCUITED TURNS OF THE ARMATURE WINDING","authors":"O. Zinchenko, Iryna Floto","doi":"10.18664/1994-7852.184.2019.171458","DOIUrl":"https://doi.org/10.18664/1994-7852.184.2019.171458","url":null,"abstract":"","PeriodicalId":183715,"journal":{"name":"Collection of scientific works of the Ukrainian State University of Railway Transport","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132270117","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}