Determination of necessary time of measurements of surface thermocouples depending on conditions of technological processes; European Physical Journal Web of Conferences (EPJ Web of Conferences); Vol. 82 : Thermophysical Basis of Energy Technologies
| Parent link: | European Physical Journal Web of Conferences (EPJ Web of Conferences) Vol. 82 : Thermophysical Basis of Energy Technologies.— 2015.— [01061, 7 р.] |
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| Corporate Author: | |
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| Summary: | Title screen Researches of nonstationary processes of heating up of sensitive elements of thermocouples by means of one-dimensional and two-dimensional mathematical models of heat transfer are conducted. By the created models are defined duration of heating up of the sensitive elements necessary for achievement of the temperature of the thermocouple within a permissible deviation from rated direct current characteristic for three types of thermocouples – K, L and S. Distinctions in the results received by means of one-dimensional and two-dimensional models of heat transfer are shown and justified. For surface thermo-electric transformers, temperature measurement conditions are simulated in case of different value of air gap between the heater and thermocouple surface. It is shown that the value of a gap has an essential impact on minimum necessary time of measurement. Change of duration of heating up of thermocouple from heatphysical characteristics of the typical materials which are used in the case of manufacture of sensing elements is probed. |
| Language: | English |
| Published: |
2015
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1051/epjconf/20158201061 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=643163 |
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| 200 | 1 | |a Determination of necessary time of measurements of surface thermocouples depending on conditions of technological processes |f Yu. K. Atroshenko, P. A. Strizhak, O. S. Yashutina | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 21 tit.] | ||
| 330 | |a Researches of nonstationary processes of heating up of sensitive elements of thermocouples by means of one-dimensional and two-dimensional mathematical models of heat transfer are conducted. By the created models are defined duration of heating up of the sensitive elements necessary for achievement of the temperature of the thermocouple within a permissible deviation from rated direct current characteristic for three types of thermocouples – K, L and S. Distinctions in the results received by means of one-dimensional and two-dimensional models of heat transfer are shown and justified. For surface thermo-electric transformers, temperature measurement conditions are simulated in case of different value of air gap between the heater and thermocouple surface. It is shown that the value of a gap has an essential impact on minimum necessary time of measurement. Change of duration of heating up of thermocouple from heatphysical characteristics of the typical materials which are used in the case of manufacture of sensing elements is probed. | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\7958 |t European Physical Journal Web of Conferences (EPJ Web of Conferences) | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\7960 |t Vol. 82 : Thermophysical Basis of Energy Technologies |o Proceedings of the Conference, October 15-17, 2014, Tomsk, Russia |f National Research Tomsk Polytechnic University (TPU) ; eds. G. V. Kuznetsov [et al.] |v [01061, 7 р.] |d 2015 | |
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| 610 | 1 | |a технологические процессы | |
| 700 | 1 | |a Atroshenko |b Yu. K. |c specialist in the field of power engineering |c Senior Lecturer of Tomsk Polytechnic University, Engineer |f 1989- |g Yuliana Konstantinovna |3 (RuTPU)RU\TPU\pers\32864 |9 16712 | |
| 701 | 1 | |a Strizhak |b P. A. |c Specialist in the field of heat power energy |c Doctor of Physical and Mathematical Sciences (DSc), Professor of Tomsk Polytechnic University (TPU) |f 1985- |g Pavel Alexandrovich |3 (RuTPU)RU\TPU\pers\30871 |9 15117 | |
| 701 | 1 | |a Yashutina |b O. S. |c specialist in the field of heat and power engineering |c Research Engineer of Tomsk Polytechnic University |f 1993- |g Olga Sergeevna |3 (RuTPU)RU\TPU\pers\44658 | |
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