ORIGINAL PAPER
Regression analysis of experimental data in a study of the performance of a flat flame burner
1
Department of Mechanical Engineering, Manufacturing and Thermal Engineering, Technical University of Sofia, Faculty of Engineering and Pedagogy of Sliven, Bulgaria
Submission date: 2024-01-26
Final revision date: 2024-03-04
Acceptance date: 2024-03-06
Publication date: 2024-06-19
Corresponding author
Ivan Antonov Petrov
Department of Mechanical Engineering, Manufacturing and Thermal Engineering, Technical University of Sofia, Faculty of Engineering and Pedagogy of Sliven, Burgasko Shose Blvd 59, 8800, Sliven, Bulgaria
Department of Mechanical Engineering, Manufacturing and Thermal Engineering, Technical University of Sofia, Faculty of Engineering and Pedagogy of Sliven, Burgasko Shose Blvd 59, 8800, Sliven, Bulgaria
Polityka Energetyczna – Energy Policy Journal 2024;27(2):89-104
KEYWORDS
TOPICS
ABSTRACT
The complex nature of the combustion process, which simultaneously obeys the laws of thermodynamics, heat transfer, aerodynamics and the chemical kinetics of oxidation reactions, makes numerical modelling very difficult and the experimental approach is currently playing a crucial role in their investigation. The modern highly developed theory of experimental design combines various analytical procedures that allow, with a minimum number of experiments, the obtaining of maximum information about the physical or technological processes under investigation, the properties of materials and phenomena. The ability to determine the influence of the main mode and design parameters on the geometrical characteristics of the flare is a prerequisite for effectively influencing the combustion process in order to intensify it. The present work is an introduction to the methods of planning and knowledge of multifactorial experiments, including: the preparation, conduct and processing of experimental results; mastering the methodology of experimental research; using the methods of mathematical statistics and regression analysis to plan experiments; developing the ability to analyze the object of study; correctly selecting the optimization parameter and the essential factors of the object of study; building an experiment planning matrix to obtain an adequate mathematical model of the object. The objective of this work is to propose an approach to study the effect of mode and design parameters, on the basic dimensions and shape of the gas flare, based on regression analysis of experimental data in the study of the performance of a flat flame burner.
METADATA IN OTHER LANGUAGES:
Polish
Analiza regresji danych eksperymentalnych w badaniu wydajności palnika z płaskim płomieniem
eksperyment czynnikowy, analiza regresji, spalanie, palnik o płaskim płomieniu
Złożony charakter procesu spalania, który jednocześnie podlega prawom termodynamiki, wymiany ciepła, aerodynamiki i kinetyce chemicznej reakcji utleniania, sprawia, że modelowanie numeryczne jest bardzo trudne, a podejście eksperymentalne odgrywa obecnie kluczową rolę w ich badaniach. Nowoczesna, wysoko rozwinięta teoria projektowania eksperymentów łączy w sobie różne procedury analityczne, które pozwalają przy minimalnej liczbie eksperymentów uzyskać maksimum informacji o badanych procesach fizycznych lub technologicznych, właściwościach materiałów i zjawiskach. Umiejętność określenia wpływu trybu głównego i parametrów konstrukcyjnych na charakterystykę geometryczną płomienia jest warunkiem skutecznego oddziaływania na proces spalania w celu jego intensyfikacji. Niniejszy artykuł stanowi wprowadzenie do metod planowania i wiedzy o eksperymentach wieloczynnikowych, obejmujące: przygotowanie, prowadzenie i przetwarzanie wyników eksperymentów; opanowanie metodyki badań eksperymentalnych; wykorzystanie metod statystyki matematycznej i analizy regresji do planowania eksperymentów; rozwijanie umiejętności analizy przedmiotu studiów; prawidłowy dobór parametru optymalizacyjnego i istotnych czynników przedmiotu badań; zbudowanie macierzy planowania eksperymentu w celu uzyskania odpowiedniego modelu matematycznego obiektu. Celem artykułu jest zaproponowanie podejścia do badania wpływu trybu i parametrów projektowych na podstawowe wymiary i kształt pochodni gazowej, w oparciu o analizę regresji danych eksperymentalnych w badaniu wydajności palnika z płaskim płomieniem.
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