Cavitation control on a 2D hydrofoil through a continuous tangential injection of liquid: Experimental study; AIP Conference Proceedings; Vol. 1770 : International Conference on the Methods of Aerophysical Research (ICMAR 2016)
| Parent link: | AIP Conference Proceedings Vol. 1770 : International Conference on the Methods of Aerophysical Research (ICMAR 2016).— 2016.— [030026, 8 p.] |
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| Korporativna značnica: | |
| Drugi avtorji: | , , , |
| Izvleček: | Title screen In the paper, the possibility of active control of a cavitating flow over a 2D hydrofoil that replicates a scaled-down model of high-pressure hydroturbine guide vane (GV) was tested. The flow manipulation was implemented by a continuous tangential liquid injection at different flow rates through a spanwise slot in the foil surface. In experiments, the hydrofoil was placed in the test channel at the attack angle of 9°. Different cavitation conditions were reached by varying the cavitation number and injection velocity. In order to study time dynamics and spatial patterns of partial cavities, high-speed imaging was employed. A PIV method was used to measure the mean and fluctuating velocity fields over the hydrofoil. Hydroacoustic measurements were carried out by means of a pressure transducer to identify spectral characteristics of the cavitating flow. It was found that the present control technique is able to modify the partial cavity pattern (or even totally suppress cavitation) in case of stable sheet cavitation and change the amplitude of pressure pulsations at unsteady regimes. The injection technique makes it also possible to significantly influence the spatial distributions of the mean velocity and its turbulent fluctuations over the GV section for non-cavitating flow and sheet cavitation. Режим доступа: по договору с организацией-держателем ресурса |
| Jezik: | angleščina |
| Izdano: |
2016
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| Teme: | |
| Online dostop: | http://dx.doi.org/10.1063/1.4963968 |
| Format: | xMaterials Elektronski Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=654144 |
MARC
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| 200 | 1 | |a Cavitation control on a 2D hydrofoil through a continuous tangential injection of liquid: Experimental study |f M. V. Timoshevsky [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 16 tit.] | ||
| 330 | |a In the paper, the possibility of active control of a cavitating flow over a 2D hydrofoil that replicates a scaled-down model of high-pressure hydroturbine guide vane (GV) was tested. The flow manipulation was implemented by a continuous tangential liquid injection at different flow rates through a spanwise slot in the foil surface. In experiments, the hydrofoil was placed in the test channel at the attack angle of 9°. Different cavitation conditions were reached by varying the cavitation number and injection velocity. In order to study time dynamics and spatial patterns of partial cavities, high-speed imaging was employed. A PIV method was used to measure the mean and fluctuating velocity fields over the hydrofoil. Hydroacoustic measurements were carried out by means of a pressure transducer to identify spectral characteristics of the cavitating flow. It was found that the present control technique is able to modify the partial cavity pattern (or even totally suppress cavitation) in case of stable sheet cavitation and change the amplitude of pressure pulsations at unsteady regimes. The injection technique makes it also possible to significantly influence the spatial distributions of the mean velocity and its turbulent fluctuations over the GV section for non-cavitating flow and sheet cavitation. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 1 | |0 (RuTPU)RU\TPU\network\4816 |t AIP Conference Proceedings | |
| 463 | 1 | |t Vol. 1770 : International Conference on the Methods of Aerophysical Research (ICMAR 2016) |o Proceedings of the 18th International Conference, 27 June–3 July 2016, Perm, Russia |v [030026, 8 p.] |d 2016 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a контроль | |
| 610 | 1 | |a кавитация | |
| 610 | 1 | |a подводные крылья | |
| 610 | 1 | |a 2D | |
| 610 | 1 | |a экспериментальное исследование | |
| 701 | 1 | |a Timoshevsky |b M. V. | |
| 701 | 1 | |a Zapryagaev |b I. I. | |
| 701 | 1 | |a Pervunin |b K. S. | |
| 701 | 1 | |a Markovich |b D. M. |c specialist in the field of energy |c Professor of Tomsk Polytechnic University, doctor of physical and mathematical Sciences |f 1962- |g Dmitry Markovich |3 (RuTPU)RU\TPU\pers\35068 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет (ТПУ) |b Энергетический институт (ЭНИН) |b Кафедра парогенераторостроения и парогенераторных установок (ПГС и ПГУ) |3 (RuTPU)RU\TPU\col\18681 |
| 801 | 2 | |a RU |b 63413507 |c 20170413 |g RCR | |
| 856 | 4 | |u http://dx.doi.org/10.1063/1.4963968 | |
| 942 | |c CF | ||