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Scientific Letters of Rzeszow University of Technology - Mechanics最新文献

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Analiza termodynamiczna ultra-nadkrytycznego bloku węglowego z turbiną pomocniczą
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/RM.2014.9
Krystyna Stępczyńska-Drygas, S. Dykas
{"title":"Analiza termodynamiczna ultra-nadkrytycznego bloku węglowego z turbiną pomocniczą","authors":"Krystyna Stępczyńska-Drygas, S. Dykas","doi":"10.7862/RM.2014.9","DOIUrl":"https://doi.org/10.7862/RM.2014.9","url":null,"abstract":"","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124986068","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
Algorytm iteracyjnego rozwiązywania zagadnień odwrotnych przewodnictwa ciepła z minimalizacją oscylacji temperatury
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/RM.2014.37
A. Frąckowiak, M. Ciałkowski, A. Wróblewska
{"title":"Algorytm iteracyjnego rozwiązywania zagadnień odwrotnych przewodnictwa ciepła z minimalizacją oscylacji temperatury","authors":"A. Frąckowiak, M. Ciałkowski, A. Wróblewska","doi":"10.7862/RM.2014.37","DOIUrl":"https://doi.org/10.7862/RM.2014.37","url":null,"abstract":"","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131372340","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
Układ wylotowy typu osiowego dyfuzora łopatkowego sprężarki promieniowej
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/rm.2018.10
S. Antas
{"title":"Układ wylotowy typu osiowego dyfuzora łopatkowego sprężarki promieniowej","authors":"S. Antas","doi":"10.7862/rm.2018.10","DOIUrl":"https://doi.org/10.7862/rm.2018.10","url":null,"abstract":"","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126309610","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
Bending force and springback characteristics of the tailor-welded 18G2A-E355 steel strips 18G2A-E355拼焊钢带的弯曲力和回弹特性
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/RM.2012.7
P. Froń, F. Strachowicz
{"title":"Bending force and springback characteristics of the tailor-welded 18G2A-E355 steel strips","authors":"P. Froń, F. Strachowicz","doi":"10.7862/RM.2012.7","DOIUrl":"https://doi.org/10.7862/RM.2012.7","url":null,"abstract":"Machining of technical ceramic products requires ap plication of CNC machines which have predetermined technological possibilities, special grinding tools and properly made control programs. In this paper parametric programming of cera mic products machining using CNC grinding machine with C axis is described. Time analysis of m achining of type dimension ceramic products with parametric geometry is also presented.","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126311257","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
The penetration of the sound field of the spherical radiator through the plane elastic layer 球面辐射器的声场穿过平面弹性层的穿透
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/RM.2014.62
G. Shushkevich, Svetlana Shushkevich
{"title":"The penetration of the sound field of the spherical radiator through the plane elastic layer","authors":"G. Shushkevich, Svetlana Shushkevich","doi":"10.7862/RM.2014.62","DOIUrl":"https://doi.org/10.7862/RM.2014.62","url":null,"abstract":"In this paper the results of exact solution of the axisymmetric problem of the penetration of the sound field through the plane elastic layer are presented. The spherical radiator is located in a thin unclosed spherical shell as the source of the acoustic field. Using appropriate theorems, the solution of the boundary conditions problem is reduced to solve dual functions in Legendre's polynomials, which are converted to the infinite system of linear algebraic equations of the second kind with a completely continuous operator. The influence of some parameters of the problem on the value of the coefficient of shielding sound field is investigated.","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122283743","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 analysis of springback prediction in U-bendings of anisotropic sheet metals 各向异性板料u型弯曲回弹预测的实验与数值分析
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/RM.2013.47
J. Slota, M. Jurčišin, M. Dvořák
{"title":"Experimental and numerical analysis of springback prediction in U-bendings of anisotropic sheet metals","authors":"J. Slota, M. Jurčišin, M. Dvořák","doi":"10.7862/RM.2013.47","DOIUrl":"https://doi.org/10.7862/RM.2013.47","url":null,"abstract":"Springback is one of the most important problems that should be taken into consideration during design of sheet metal forming process with the increasing application of advanced high strength steels and light-weight alloys. The degree of springback experienced with the latest generation materials is so high, and the materials so strong, that it is not possible to eliminate the springback in the prototyping. It becomes mandatory to compensate for springback as part of the draw die design, which is usually carried out through numerical simulation. The springback behavior of three categories of sheet steels (TRIP, HSLA and mild steel) with thicknesses ranging from 0.75 to 0.85 mm was investigated by means of the cyclic U-bending test. This phenomenon can be defined as an elastically-driven change of shape of the deformed part upon removal of external loads. Steel sheets were bent on the two different die radii and after first cycle were bent reverse. The influence of die radius on amount of springback of the steels was considered. Value of the springback angle change after the first and second cycle was measured. The change of values of angles between cycles is caused by the Bauschinger effect. This process was investigated experimentally and numerically. Numerical investigation was performed in static implicit finite element code Autoform.","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130310579","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
WŁAŚCIWOŚCI MATERIAŁÓW KOMPOZYTOWYCH NA OSNOWIE STOPU ALUMINIUM EN AW-2024 I MIEDZI 基于 EN AW-2024 铝合金和铜的复合材料的性能
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/RM.2018.28
A. Kurzawa, K. Naplocha, J. Kaczmar
{"title":"WŁAŚCIWOŚCI MATERIAŁÓW KOMPOZYTOWYCH NA OSNOWIE STOPU ALUMINIUM EN AW-2024 I MIEDZI","authors":"A. Kurzawa, K. Naplocha, J. Kaczmar","doi":"10.7862/RM.2018.28","DOIUrl":"https://doi.org/10.7862/RM.2018.28","url":null,"abstract":"","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"137 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134187314","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
IDENTYFIKACJA BRONI PALNEJ NA PODSTAWIE SYGNAŁÓW AKUSTYCZNYCH 根据声音信号识别枪支
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/RM.2018.22
L. Chałko, P. Maciąg
{"title":"IDENTYFIKACJA BRONI PALNEJ NA PODSTAWIE SYGNAŁÓW AKUSTYCZNYCH","authors":"L. Chałko, P. Maciąg","doi":"10.7862/RM.2018.22","DOIUrl":"https://doi.org/10.7862/RM.2018.22","url":null,"abstract":"","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134357674","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
Multivariant process planning theory and its application for special purpose vehicle producing 多变量工艺规划理论及其在专用车生产中的应用
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/rm.2018.17
P. Monka, K. Monkova
{"title":"Multivariant process planning theory and its application for special purpose vehicle producing","authors":"P. Monka, K. Monkova","doi":"10.7862/rm.2018.17","DOIUrl":"https://doi.org/10.7862/rm.2018.17","url":null,"abstract":"The article deals with the characteristics of input and output data, which are necessary for manufacturing of machine parts of special purpose vehicles. It shows the relations between the individual manufacturing obje cts by means of information flow analysis within CAPP. It is possible to create several process plans for every engineering part and consequently use one of them i n specific manufacturing conditions that are optimal according to the selected cr iterion. The analysis of information flow can considerably help with the process plan se lection and, in result, with effectiveness or quality increasing.","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133700651","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
Możliwości zastosowania metody adsorpcyjnej do usuwania CO2 ze spalin kotłowych
Scientific Letters of Rzeszow University of Technology - Mechanics Pub Date : 1900-01-01 DOI: 10.7862/RM.2014.32
D. Wawrzyńczak, I. Majchrzak-Kucęba, W. Nowak
{"title":"Możliwości zastosowania metody adsorpcyjnej do usuwania CO2 ze spalin kotłowych","authors":"D. Wawrzyńczak, I. Majchrzak-Kucęba, W. Nowak","doi":"10.7862/RM.2014.32","DOIUrl":"https://doi.org/10.7862/RM.2014.32","url":null,"abstract":"Aby węgiel mógł pozosta ć głównym paliwem gwarantuj ącym bezpiecze ństwo energetyczne Unii Europejskiej, jego przyszłe wykor zystanie musi zosta ć dostosowane do wymaga ń polityki UE. W ramach prac naukowo-badawczych rozw ija się i doskonali technologie pozwalaj ące na redukcj ę emisji ditlenku węgla do atmosfery, jak równie ż metody wychwyt CO2 z gazów procesowych. Prezentowana technologia adsorpcji, oparta o stałe sorbenty, tes towana w skali laboratoryjnej jak i pilotowej, wykazała du żą zbieżność otrzymywanych wyników. Przeprowadzone testy potwierdzaj ą możliwość jej zastosowania w rzeczywistych warunkach przemysłowych.","PeriodicalId":288754,"journal":{"name":"Scientific Letters of Rzeszow University of Technology - Mechanics","volume":"235 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132497967","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
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