The Correction and Evaluation of Cavitation Model considering the Thermodynamic Effect
المؤلفون المشاركون
Li, Wei
Yang, Yongfei
Shi, Wei-dong
Zhao, Xiaofan
Li, Weiqiang
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2018، العدد 2018 (31 ديسمبر/كانون الأول 2018)، ص ص. 1-11، 11ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2018-04-02
دولة النشر
مصر
عدد الصفحات
11
التخصصات الرئيسية
الملخص EN
Two cavitation models with thermodynamic effects were established based on the Rayleigh-Plesset equation to predict accurately the cavitation characteristics in the high-temperature fluid.
The evaporation and the condensation coefficient of the cavitation model were corrected.
The cavitation flow of NACA0015 airfoil was calculated using the modified cavitation model, where the influence of the thermodynamic effects of airfoil cavitation was analyzed.
The result showed that the pressure coefficient distribution and the bubble volume fraction simulated have the same tendency of Zwart-Gerber-Belamri model’s result.
According to the experimental data, the two models provide more accurate results.
At the room temperature, the values of dpv/dT obtained by the two improved models are approximately equal.
The difference between the two models’ results increases gradually with the temperature increasing, but it is still small.
The simulation results are consistent with the experimental data when the evaporation coefficient is 10 and 1.
When the evaporation coefficient is 1, the bubble growth is inhibited, the volume fraction becomes lower, and the cavitation area becomes flat.
As the temperature increases, the cavitation area and the bubble volume fraction at airfoil front edge become larger, showing that the temperature plays a “catalytic” role in the cavitation process.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Li, Wei& Yang, Yongfei& Shi, Wei-dong& Zhao, Xiaofan& Li, Weiqiang. 2018. The Correction and Evaluation of Cavitation Model considering the Thermodynamic Effect. Mathematical Problems in Engineering،Vol. 2018, no. 2018, pp.1-11.
https://search.emarefa.net/detail/BIM-1208744
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Li, Wei…[et al.]. The Correction and Evaluation of Cavitation Model considering the Thermodynamic Effect. Mathematical Problems in Engineering No. 2018 (2018), pp.1-11.
https://search.emarefa.net/detail/BIM-1208744
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Li, Wei& Yang, Yongfei& Shi, Wei-dong& Zhao, Xiaofan& Li, Weiqiang. The Correction and Evaluation of Cavitation Model considering the Thermodynamic Effect. Mathematical Problems in Engineering. 2018. Vol. 2018, no. 2018, pp.1-11.
https://search.emarefa.net/detail/BIM-1208744
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1208744
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر