Pub Date : 2000-06-27DOI: 10.1109/KORUS.2000.866026
V. M. Geller, V. Khrustalev, S.A. Chipurnov, S.N. Gorban
A volume use efficiency of capacitively and inductively coupled low-pressure plasma generators does not exceed 45-50 %. For example, the most widespread kind of reactors-that is cylindrical-in capacitively coupled plasma generators the excitation of plasma has a place at the center of the reactor, and in inductively coupled plasmas-on periphery. According to told, usage of the inductor and the capacitor of the resonator for connection the RF power source with the reactor we receive an opportunity to maintain a discharge in all volume of the reactor, increasing by this the power efficiency of the plasma generator. Combining a principle of hybrid plasma excitation with multiway discharge excitation with use of the distributed source of energy, one can maintain in the reactor with large linear dimensions a uniform plasma torch.
{"title":"An analysis of polyharmonic power sources for industrial plasma generators with distributed structure","authors":"V. M. Geller, V. Khrustalev, S.A. Chipurnov, S.N. Gorban","doi":"10.1109/KORUS.2000.866026","DOIUrl":"https://doi.org/10.1109/KORUS.2000.866026","url":null,"abstract":"A volume use efficiency of capacitively and inductively coupled low-pressure plasma generators does not exceed 45-50 %. For example, the most widespread kind of reactors-that is cylindrical-in capacitively coupled plasma generators the excitation of plasma has a place at the center of the reactor, and in inductively coupled plasmas-on periphery. According to told, usage of the inductor and the capacitor of the resonator for connection the RF power source with the reactor we receive an opportunity to maintain a discharge in all volume of the reactor, increasing by this the power efficiency of the plasma generator. Combining a principle of hybrid plasma excitation with multiway discharge excitation with use of the distributed source of energy, one can maintain in the reactor with large linear dimensions a uniform plasma torch.","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73533493","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 : 2000-06-27DOI: 10.1109/KORUS.2000.866085
V. Sparin
Length of Equivalent Relative the chandiameter, de, length channel, L, mm mm nel , L/ d e Abstract In the present activity the experimental research of a upward annular two-phase flow in rectangular channels is held. The computational relations for hydraulic resistance and heat and mass transfer submitted. Is rotined existence of analogy between heat and mass transfer in requirements of experiment.
{"title":"Heat and mass transfer in upward annular two-phase flow","authors":"V. Sparin","doi":"10.1109/KORUS.2000.866085","DOIUrl":"https://doi.org/10.1109/KORUS.2000.866085","url":null,"abstract":"Length of Equivalent Relative the chandiameter, de, length channel, L, mm mm nel , L/ d e Abstract In the present activity the experimental research of a upward annular two-phase flow in rectangular channels is held. The computational relations for hydraulic resistance and heat and mass transfer submitted. Is rotined existence of analogy between heat and mass transfer in requirements of experiment.","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74319239","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 : 2000-06-27DOI: 10.1109/KORUS.2000.866122
I.I. Lyskov
The mechanism responsible for very high rates of metal dissolution at electrodes illuminated by a laser beam was investigated. It was found that the laser-electrochemical (LEC) dissolution rates can reach as high as 0.1 mm/s. A glass capillary is used as an electrode device through which electrolyte flows and laser beam passes. The LEC technology is applied for production of microholes in electronic optical systems of picture tubes and standards for ultrasonic flaw detection.
{"title":"Laser-electrochemical formation of microholes","authors":"I.I. Lyskov","doi":"10.1109/KORUS.2000.866122","DOIUrl":"https://doi.org/10.1109/KORUS.2000.866122","url":null,"abstract":"The mechanism responsible for very high rates of metal dissolution at electrodes illuminated by a laser beam was investigated. It was found that the laser-electrochemical (LEC) dissolution rates can reach as high as 0.1 mm/s. A glass capillary is used as an electrode device through which electrolyte flows and laser beam passes. The LEC technology is applied for production of microholes in electronic optical systems of picture tubes and standards for ultrasonic flaw detection.","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74273562","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 : 2000-06-27DOI: 10.1109/KORUS.2000.865958
D. Shin, S. Huh
Recently, CAS (computer assisted surgery) has been used widely in the field of brain and spine surgery. In the CAS system, the real 3-D position of the surgical probe is overlapped with the patient's pre-acquired 3-D image. This 3-D position detector is called a 3-D navigator and there are several techniques to detect the real 3-D position of the probe. In this research, the authors propose a new method using two camera system with one image grabber. Using this new method, simultaneous capture of a stereo image is possible by one frame grabber. So the authors can minimize errors due to time lag between images and further reduce costs. Left and right LEDs can be separated by a simple color processing algorithm on a PC. The authors are planning to separate three LEDs by applying further color information to each LED. This will offer faster calculation of the 3-D positions of the LEDs. And another approach which can eliminate the control line between system and probe is progressed. This cordless probe will provide convenience in surgical work.
{"title":"Synchronized position detection using two CCD cameras with one frame grabber for the 3D navigator","authors":"D. Shin, S. Huh","doi":"10.1109/KORUS.2000.865958","DOIUrl":"https://doi.org/10.1109/KORUS.2000.865958","url":null,"abstract":"Recently, CAS (computer assisted surgery) has been used widely in the field of brain and spine surgery. In the CAS system, the real 3-D position of the surgical probe is overlapped with the patient's pre-acquired 3-D image. This 3-D position detector is called a 3-D navigator and there are several techniques to detect the real 3-D position of the probe. In this research, the authors propose a new method using two camera system with one image grabber. Using this new method, simultaneous capture of a stereo image is possible by one frame grabber. So the authors can minimize errors due to time lag between images and further reduce costs. Left and right LEDs can be separated by a simple color processing algorithm on a PC. The authors are planning to separate three LEDs by applying further color information to each LED. This will offer faster calculation of the 3-D positions of the LEDs. And another approach which can eliminate the control line between system and probe is progressed. This cordless probe will provide convenience in surgical work.","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75062670","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 : 2000-06-27DOI: 10.1109/KORUS.2000.866008
A. S. Anisimòv, V. Kononov, D.S. Hudyakov
The possibilities and singularities of use of the maximum likelihood method for an improvement of the estimations of denominator polynomial factors at reconstruction of an object discrete transfer function on noisy estimation of its impulse response are considered. The application of this method reduces the necessity of a nonlinear algebraic system solution. The special iterative algorithm of a solution of the indicated system is offered, in which for each step the solution of two linear systems is made. In this case the reconstruction error of the required factors is generated by an arbitrary enough choice of transfer function order of the shaping filter and by the iterative character of a nonlinear system solution. The procedure of indirect monitoring of the obtained estimations effectiveness by means of inspection of indexes of centrality, whiteness and normality of generating noise estimation is offered.
{"title":"Difference equation reconstruction algorithms based on maximum likelihood method","authors":"A. S. Anisimòv, V. Kononov, D.S. Hudyakov","doi":"10.1109/KORUS.2000.866008","DOIUrl":"https://doi.org/10.1109/KORUS.2000.866008","url":null,"abstract":"The possibilities and singularities of use of the maximum likelihood method for an improvement of the estimations of denominator polynomial factors at reconstruction of an object discrete transfer function on noisy estimation of its impulse response are considered. The application of this method reduces the necessity of a nonlinear algebraic system solution. The special iterative algorithm of a solution of the indicated system is offered, in which for each step the solution of two linear systems is made. In this case the reconstruction error of the required factors is generated by an arbitrary enough choice of transfer function order of the shaping filter and by the iterative character of a nonlinear system solution. The procedure of indirect monitoring of the obtained estimations effectiveness by means of inspection of indexes of centrality, whiteness and normality of generating noise estimation is offered.","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77367637","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 : 2000-06-27DOI: 10.1109/KORUS.2000.865984
D.H. Lee, K.N. Kim, S.D. Lee, U. Chong
In this paper, we propose the method of an improvement of 3D sound orchestra for two channel headphones in the cyber space. We set up the musical instruments with piano, cellos, and violins in virtual sphere space to carry out the performance. Sounds from each instrument are convolved with HRTF (head related transfer function) and is mixed by using the Sound Forge Software. We analyze the effects of the sound characteristics of each instrument location for 3D sound listening.
{"title":"A 3-D sound orchestra in the cyber space","authors":"D.H. Lee, K.N. Kim, S.D. Lee, U. Chong","doi":"10.1109/KORUS.2000.865984","DOIUrl":"https://doi.org/10.1109/KORUS.2000.865984","url":null,"abstract":"In this paper, we propose the method of an improvement of 3D sound orchestra for two channel headphones in the cyber space. We set up the musical instruments with piano, cellos, and violins in virtual sphere space to carry out the performance. Sounds from each instrument are convolved with HRTF (head related transfer function) and is mixed by using the Sound Forge Software. We analyze the effects of the sound characteristics of each instrument location for 3D sound listening.","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85460524","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 : 2000-06-27DOI: 10.1109/KORUS.2000.865997
N. Markov, E. Miroshnichenko, P. Ostrast, A. Sarajkin
Application servers (ASs) are actively used by various companies as a basis of distributed systems supporting remote user access to some application functions. Developing multi-user software seems a non-trivial problem for the necessity of providing parallel process interaction. The geoinformation AS (Markov and Ostrast, 1999) is of the following structure of process interaction. For each user connected, a session is created as a process. Each session has a time limit, after expiration of which the unused session is deleted. The main process carries out process creation/deletion and processing of the global session list. A lump of processes and the necessity of their synchronization have required modeling AS software for validating its correctness. The formalism of PS-nets has been used by the authors as the model of representing the parallel processes (Markov et al., 1997). With its help, the problems of validating AS software correctness have been analyzed.
应用服务器被许多公司作为分布式系统的基础，支持远程用户访问某些应用程序功能。由于提供并行进程交互的必要性，开发多用户软件似乎是一个不容忽视的问题。地理信息AS (Markov and Ostrast, 1999)具有以下过程交互结构。对于所连接的每个用户，将创建一个会话作为一个进程。每个会话都有一个时间限制，过期后未使用的会话将被删除。主进程执行进程创建/删除和处理全局会话列表。大量的过程及其同步的必要性需要建模AS软件来验证其正确性。PS-nets的形式化已被作者用作表示并行过程的模型(Markov et al.， 1997)。在此基础上，分析了验证AS软件正确性的问题。
{"title":"Using PS-nets for analysis of parallel processes interaction in application server","authors":"N. Markov, E. Miroshnichenko, P. Ostrast, A. Sarajkin","doi":"10.1109/KORUS.2000.865997","DOIUrl":"https://doi.org/10.1109/KORUS.2000.865997","url":null,"abstract":"Application servers (ASs) are actively used by various companies as a basis of distributed systems supporting remote user access to some application functions. Developing multi-user software seems a non-trivial problem for the necessity of providing parallel process interaction. The geoinformation AS (Markov and Ostrast, 1999) is of the following structure of process interaction. For each user connected, a session is created as a process. Each session has a time limit, after expiration of which the unused session is deleted. The main process carries out process creation/deletion and processing of the global session list. A lump of processes and the necessity of their synchronization have required modeling AS software for validating its correctness. The formalism of PS-nets has been used by the authors as the model of representing the parallel processes (Markov et al., 1997). With its help, the problems of validating AS software correctness have been analyzed.","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82600836","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 : 2000-06-27DOI: 10.1109/KORUS.2000.865912
G.M. Rogov, V. I. Korenev
The architectural education in Tomsk has two main stages. The first one is 1909-1933 years, the second 1976till present Now the students of the architectural department study three the architectural medium". Professional teaching is based on the following disciplines: special architectural disciplines, science and engineering-technical disciplines, humanitarian and fine art disciplines. The technique of teaching architectural creativity assumes the certain sequence of the educational tasks, course works and projects fulfilment ensuring gradual development of the students' creative and graphic skills. Composite modelling, architectural designing and fine art teaching is critical in this process. I specialities: "Architecture", "Restoration of the architectural inheritance", and "Design of
{"title":"Higher architectural education in tomsk: it's past and present","authors":"G.M. Rogov, V. I. Korenev","doi":"10.1109/KORUS.2000.865912","DOIUrl":"https://doi.org/10.1109/KORUS.2000.865912","url":null,"abstract":"The architectural education in Tomsk has two main stages. The first one is 1909-1933 years, the second 1976till present Now the students of the architectural department study three the architectural medium\". Professional teaching is based on the following disciplines: special architectural disciplines, science and engineering-technical disciplines, humanitarian and fine art disciplines. The technique of teaching architectural creativity assumes the certain sequence of the educational tasks, course works and projects fulfilment ensuring gradual development of the students' creative and graphic skills. Composite modelling, architectural designing and fine art teaching is critical in this process. I specialities: \"Architecture\", \"Restoration of the architectural inheritance\", and \"Design of","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82492206","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 : 2000-06-27DOI: 10.1109/KORUS.2000.866097
Jin-ho Hyun, M. Suk, Ji-soon Kim, Young-Soon Kwon
In general, W particles in liquid Cu are observed to be spherical (nonfaceted), showing no anisotropy in solid-liquid interfacial energy. However, the morphology of W particle in liquid Cu was observed to be faceted during the liquid phase sintering of mechanically alloyed W-Cu composite powder. The present work describes the morphological variation of W-particle which occurs during liquid phase sintering of Cu-5 wt% W composite powder prepared by the mechanical milling process. As the milling process proceeds, the time needed to attain the equilibrium nonfaceted morphology is increased.
{"title":"The effect of mechanical alloying process on the shape of W particle in the liquid phase sintering of Cu-W composite powder","authors":"Jin-ho Hyun, M. Suk, Ji-soon Kim, Young-Soon Kwon","doi":"10.1109/KORUS.2000.866097","DOIUrl":"https://doi.org/10.1109/KORUS.2000.866097","url":null,"abstract":"In general, W particles in liquid Cu are observed to be spherical (nonfaceted), showing no anisotropy in solid-liquid interfacial energy. However, the morphology of W particle in liquid Cu was observed to be faceted during the liquid phase sintering of mechanically alloyed W-Cu composite powder. The present work describes the morphological variation of W-particle which occurs during liquid phase sintering of Cu-5 wt% W composite powder prepared by the mechanical milling process. As the milling process proceeds, the time needed to attain the equilibrium nonfaceted morphology is increased.","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87070917","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 : 2000-06-27DOI: 10.1109/KORUS.2000.865970
V. Larichkin, O.V. Kurkotova
Tlae $reat& damage to a nature, cdling degradation of soils is put by emergencies on firm's oil and gas dbmch. Thus main contaminants are the liquids (petroleum hydrocarbon, salinity layer of water, chemical reagent, chisel soluticms). The chemical contamination of soil negatively infliretlm its physicaI, chemical, and ion exchange of property and biolagical activity. Therefore forecast of possible distribution of contamination by petroleum and the influence of contaminants on a natural medium gains the important value. The purpose of activity was the study of processes of migration and dissipation of liquid hydrocarbon in various grounds at different parameters of a medium. The process of penetration in soil of a layer of liquid hydrocarbon, spill on a surface of ground, concerns to the poorly investigated non-linear tasks of a filtration with incomplete saturation. In activity is considered the approximation to real process the two-dimensional model of an absorption of hydrocarbon in a "dry" ground is capillary gravitational, in view of finding in pores of air. System of differential equations of a two-phase filtration has a kind [l]: *
{"title":"Numerical simulation of contamination of soils at floods of liquid hydrocarbon","authors":"V. Larichkin, O.V. Kurkotova","doi":"10.1109/KORUS.2000.865970","DOIUrl":"https://doi.org/10.1109/KORUS.2000.865970","url":null,"abstract":"Tlae $reat& damage to a nature, cdling degradation of soils is put by emergencies on firm's oil and gas dbmch. Thus main contaminants are the liquids (petroleum hydrocarbon, salinity layer of water, chemical reagent, chisel soluticms). The chemical contamination of soil negatively infliretlm its physicaI, chemical, and ion exchange of property and biolagical activity. Therefore forecast of possible distribution of contamination by petroleum and the influence of contaminants on a natural medium gains the important value. The purpose of activity was the study of processes of migration and dissipation of liquid hydrocarbon in various grounds at different parameters of a medium. The process of penetration in soil of a layer of liquid hydrocarbon, spill on a surface of ground, concerns to the poorly investigated non-linear tasks of a filtration with incomplete saturation. In activity is considered the approximation to real process the two-dimensional model of an absorption of hydrocarbon in a \"dry\" ground is capillary gravitational, in view of finding in pores of air. System of differential equations of a two-phase filtration has a kind [l]: *","PeriodicalId":20531,"journal":{"name":"Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2000-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88239734","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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