![](/images/graphics-bg.png)
Parametric Study to Improve Subpixel Accuracy of Nitric Oxide Tagging Velocimetry with Image Preprocessing
المؤلفون المشاركون
Vedula, Ravi Teja
Mittal, Mayank
Schock, Harold
المصدر
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-17، 17ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-02-20
دولة النشر
مصر
عدد الصفحات
17
التخصصات الرئيسية
الملخص EN
Biacetyl phosphorescence has been the commonly used molecular tagging velocimetry (MTV) technique to investigate in-cylinder flow evolution and cycle-to-cycle variations in an optical engine.
As the phosphorescence of biacetyl tracer deteriorates in the presence of oxygen, nitrogen was adopted as the working medium in the past.
Recently, nitrous oxide MTV technique was employed to measure the velocity profile of an air jet.
The authors here plan to investigate the potential application of this technique for engine flow studies.
A possible experimental setup for this task indicated different permutations of image signal-to-noise ratio (SNR) and laser line width.
In the current work, a numerical analysis is performed to study the effect of these two factors on displacement error in MTV image processing.
Also, several image filtering techniques were evaluated and the performance of selected filters was analyzed in terms of enhancing the image quality and minimizing displacement errors.
The flow displacement error without image preprocessing was observed to be inversely proportional to SNR and directly proportional to laser line width.
The mean filter resulted in the smallest errors for line widths smaller than 9 pixels.
The effect of filter size on subpixel accuracy showed that error levels increased as the filter size increased.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Vedula, Ravi Teja& Mittal, Mayank& Schock, Harold. 2017. Parametric Study to Improve Subpixel Accuracy of Nitric Oxide Tagging Velocimetry with Image Preprocessing. Journal of Combustion،Vol. 2017, no. 2017, pp.1-17.
https://search.emarefa.net/detail/BIM-1171176
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Vedula, Ravi Teja…[et al.]. Parametric Study to Improve Subpixel Accuracy of Nitric Oxide Tagging Velocimetry with Image Preprocessing. Journal of Combustion No. 2017 (2017), pp.1-17.
https://search.emarefa.net/detail/BIM-1171176
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Vedula, Ravi Teja& Mittal, Mayank& Schock, Harold. Parametric Study to Improve Subpixel Accuracy of Nitric Oxide Tagging Velocimetry with Image Preprocessing. Journal of Combustion. 2017. Vol. 2017, no. 2017, pp.1-17.
https://search.emarefa.net/detail/BIM-1171176
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1171176
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
![](/images/ebook-kashef.png)
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
![](/images/kashef-image.png)