{"id":1719,"date":"2021-01-16T19:07:33","date_gmt":"2021-01-16T17:07:33","guid":{"rendered":"http:\/\/journals.khnu.km.ua\/vestnik\/?p=1719"},"modified":"2021-04-19T12:32:27","modified_gmt":"2021-04-19T09:32:27","slug":"%d1%80%d0%be%d0%b7%d1%80%d0%be%d0%b1%d0%ba%d0%b0-%d1%82%d0%b0-%d0%b4%d0%be%d1%81%d0%bb%d1%96%d0%b4%d0%b6%d0%b5%d0%bd%d0%bd%d1%8f-%d0%b7%d0%b0%d1%81%d0%be%d0%b1%d1%83-%d0%bf%d0%be%d1%88%d1%83%d0%ba","status":"publish","type":"post","link":"https:\/\/journals.khnu.km.ua\/vestnik\/?p=1719","title":{"rendered":"\u0420\u043e\u0437\u0440\u043e\u0431\u043a\u0430 \u0442\u0430 \u0434\u043e\u0441\u043b\u0456\u0434\u0436\u0435\u043d\u043d\u044f \u0437\u0430\u0441\u043e\u0431\u0443 \u043f\u043e\u0448\u0443\u043a\u0443 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u044c \u0434\u043b\u044f \u0432\u0438\u043c\u0456\u0440\u044e\u0432\u0430\u043b\u044c\u043d\u043e\u0457 \u0442\u0435\u0445\u043d\u0456\u043a\u0438"},"content":{"rendered":"

\u0420\u041e\u0417\u0420\u041e\u0411\u041a\u0410 \u0422\u0410 \u0414\u041e\u0421\u041b\u0406\u0414\u0416\u0415\u041d\u041d\u042f \u0417\u0410\u0421\u041e\u0411\u0423 \u041f\u041e\u0428\u0423\u041a\u0423 \u041c\u0410\u041a\u0421\u0418\u041c\u0410\u041b\u042c\u041d\u0418\u0425 \u0417\u041d\u0410\u0427\u0415\u041d\u042c \u0414\u041b\u042f \u0412\u0418\u041c\u0406\u0420\u042e\u0412\u0410\u041b\u042c\u041d\u041e\u0407 \u0422\u0415\u0425\u041d\u0406\u041a\u0418<\/p>\n

DEVELOPMENT AND RESEARCH OF MEANS OF SEARCHING MAXIMUM VALUES FOR MEASURING EQUIPMENT<\/p>\n

<\/a> \u0421\u0442\u043e\u0440\u0456\u043d\u043a\u0438: 230-234. \u041d\u043e\u043c\u0435\u0440: \u21165, 2019 (277)<\/strong>
\n\u0410\u0432\u0442\u043e\u0440\u0438: <\/strong>
\n\u0412.\u0421. \u041f\u0415\u0422\u0420\u0423\u0428\u0410\u041a
\n\u0425\u043c\u0435\u043b\u044c\u043d\u0438\u0446\u044c\u043a\u0438\u0439 \u043d\u0430\u0446\u0456\u043e\u043d\u0430\u043b\u044c\u043d\u0438\u0439 \u0443\u043d\u0456\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442
\nV.S. PETRUSHAK
\nKhmelnytskyi National University
\nDOI:<\/strong> https:\/\/www.doi.org\/10.31891\/2307-5732-2019-277-5-230-234<\/a>
\n\u0420\u0435\u0446\u0435\u043d\u0437\u0456\u044f\/Peer review :<\/strong> 02.06.2019 \u0440.
\n\u041d\u0430\u0434\u0440\u0443\u043a\u043e\u0432\u0430\u043d\u0430\/Printed :<\/strong> 23.07.2019 \u0440.<\/p>\n

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\n\u041a\u043b\u044e\u0447\u043e\u0432\u0456 \u0441\u043b\u043e\u0432\u0430:<\/strong> \u0434\u0438\u043d\u0430\u043c\u0456\u0447\u043d\u0430 \u0432\u2019\u044f\u0437\u043a\u0456\u0441\u0442\u044c, \u043f\u043e\u0432\u043d\u0438\u0439 \u0444\u0430\u0437\u043e\u0432\u0438\u0439 \u0437\u0441\u0443\u0432, \u0440\u043e\u0442\u0430\u0446\u0456\u0439\u043d\u0438\u0439 \u0432\u0456\u0441\u043a\u043e\u0437\u0438\u043c\u0435\u0442\u0440, \u0435\u043a\u0441\u0442\u0440\u0435\u043c\u0430\u0442\u043e\u0440.<\/p>\n

\u0420\u043e\u0437\u0448\u0438\u0440\u0435\u043d\u0430 \u0430\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u0430\u043d\u0433\u043b\u0456\u0439\u0441\u044c\u043a\u043e\u044e \u043c\u043e\u0432\u043e\u044e<\/strong><\/p>\n

Abstract. Most of the manufacturers of modern rotary viscometers are foreign firms, such as HAAKE and Brookfield. In most of them the improvement of the characteristics is achieved by reducing the parasitic parameters: friction in the mechanical system, not the linearity of the torsion characteristic, electromagnetic motions in the electrical circuit; and an increase in parameters such as: sensor reduction factor, number of electrical circuits. In most cases, this will increase the cost of rotational viscometers, apply them only to a single group of substances and use qualified service personnel. The use of the latest phase-shift methods and principles of full-phase shift measurement in rotary viscometers makes it possible to create versatile devices with extended dynamic range, high accuracy and high degree of automation. The development of a means of increasing the accuracy in a rotational viscometer based on the phase frequency method is due to the need for accurate registration of torques, which makes it possible to study various characteristics of the substance without distorting the measurement results. The problem of measuring the rheological characteristics of a substance is relevant in a wide range of measurement problems, so the search for new methods, the analysis of their errors and the development of means of improving accuracy in rotational viscometers based on the phase frequency method, is promising and has scientific significance and practical value. The advantages of using the full phase shift method for dynamic viscosity measurement with a rotary viscometer are indicated. A mathematical model is proposed to describe the process of finding the maximum of the total phase shift by means of the extreme value finder for rotary viscometer. The algorithm of operation of the tool of search of extreme values \u200b\u200bin the rotary viscometer is developed, in accordance with which the process of finding the maximum value of the full phase shift is reduced to its constant measurement and comparison with the previous one. On the basis of mathematical model and algorithm a tool for finding extreme full phase shift values \u200b\u200bfor rotary viscometer is developed, based on the principle of finding the maximum full phase shift value by comparing the measured full phase shift value with the previous value and allows to set the measurement time of the developed rotary viscometer with accuracy up to T<\/em>0<\/sub>.
\nKeywords:<\/strong> dynamic viscosity, full phase shift, rotary viscometer, extremer.<\/p>\n

References<\/strong><\/p>\n

    \n
  1. Petrushak V. S. Analiz metodiv ta zasobiv vyznachennia ta kontroliu dynamichnoi viazkosti rechovyny \/ V.S. Petrushak, O.M.\u00a0Petrushak \/\/ Vymiriuvalna ta obchysliuvalna tekhnika v tekhnolohichnykh protsesakh. \u2013 2001. \u2013 \u2116\u00a01. \u2013 S. 68\u201371.<\/li>\n
  2. Petrushak V. S. Fazochastotne predstavlennia vymiriuvan viazkosti rotatsiinym viskozymetrom z torsiometrychnym peretvoriuvachem \/ V. S. Petrushak \/\/ Vymiriuvalna ta obchysliuvalna tekhnika v tekhnolohichnykh protsesakh. \u2013 2000. \u2013 \u2116 4. \u2013 S. 87\u201390.<\/li>\n
  3. Petrushak V. S. Fazochastotnyi metod vymiriuvannia reolohichnykh kharakterystyk v rotatsiinomu viskozymetri \/ V. S. Petrushak, O.M. Vodianyi \/\/ Herald of Khmelnytskyi National University. \u2013 2016. \u2013 \u2116 5. \u2013 S.\u00a0167\u2013171.<\/li>\n
  4. Patent SShA 4322643, MKY H03D 13\/00. Digital phase comparator with improved sensitivity for small phase differences \/ Preslar\u00a0D.R. \u2013 \u2116 06\/144053. \u2013 Zaiavl. 28.04.1980 ; opubl. 30.03.1982.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    \u0420\u041e\u0417\u0420\u041e\u0411\u041a\u0410 \u0422\u0410 \u0414\u041e\u0421\u041b\u0406\u0414\u0416\u0415\u041d\u041d\u042f \u0417\u0410\u0421\u041e\u0411\u0423 \u041f\u041e\u0428\u0423\u041a\u0423 \u041c\u0410\u041a\u0421\u0418\u041c\u0410\u041b\u042c\u041d\u0418\u0425 \u0417\u041d\u0410\u0427\u0415\u041d\u042c \u0414\u041b\u042f \u0412\u0418\u041c\u0406\u0420\u042e\u0412\u0410\u041b\u042c\u041d\u041e\u0407 \u0422\u0415\u0425\u041d\u0406\u041a\u0418 DEVELOPMENT AND RESEARCH OF MEANS OF SEARCHING MAXIMUM VALUES FOR MEASURING EQUIPMENT \u0421\u0442\u043e\u0440\u0456\u043d\u043a\u0438: 230-234. \u041d\u043e\u043c\u0435\u0440: \u21165, 2019 (277) \u0410\u0432\u0442\u043e\u0440\u0438: \u0412.\u0421. \u041f\u0415\u0422\u0420\u0423\u0428\u0410\u041a \u0425\u043c\u0435\u043b\u044c\u043d\u0438\u0446\u044c\u043a\u0438\u0439 \u043d\u0430\u0446\u0456\u043e\u043d\u0430\u043b\u044c\u043d\u0438\u0439 \u0443\u043d\u0456\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442 V.S. PETRUSHAK Khmelnytskyi National University DOI: https:\/\/www.doi.org\/10.31891\/2307-5732-2019-277-5-230-234 \u0420\u0435\u0446\u0435\u043d\u0437\u0456\u044f\/Peer review : 02.06.2019 \u0440. \u041d\u0430\u0434\u0440\u0443\u043a\u043e\u0432\u0430\u043d\u0430\/Printed : 23.07.2019 \u0440. \u0410\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u043c\u043e\u0432\u043e\u044e \u043e\u0440\u0438\u0433\u0456\u043d\u0430\u043b\u0443 \u0412\u043a\u0430\u0437\u0430\u043d\u043e \u043d\u0430 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/1719"}],"collection":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1719"}],"version-history":[{"count":2,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/1719\/revisions"}],"predecessor-version":[{"id":5906,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/1719\/revisions\/5906"}],"wp:attachment":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}