Experimental Measurement of Different Pipe Material Type of Timedependent Pressure Drop, Numerical Analysis and Classification Using Anova Analysis

Abstract

In this study, the pressure changes in the internal flow in pipes of different material types were investigated experimentally and numerically. For this study, 2000 mm long pipes made of 5 different materials were used. Different Reynolds numbers (Re = 45832,12- 51276,56) were obtained by changing the fluid flow rate. Pressure change along the pipe with the change of the Reynolds number was experimentally observed. The flow rate change intervals of the flow are adjusted by changing the filling times of a fixed volume water tank. The 3D model of the experiment set was created in SOLIDWORKS 2018 and ANSYS FLUENT 18.1 numerical analysis program was used for the numerical model. Experimental data obtained for aluminum smooth pipes are modeled with less than 1% error by numerical analysis. The experiment set was verified by numerical analysis. Other pipes were mounted on this test set and pressure changes along the pipe and with time were experimentally observed. The suitability of flow rate and pressure measurement ranges and the accuracy of classification were supported by the ANOVA technique analysis method. As a result of, appropriate flow variation, pipe diameter ranges and pipe material classifications are presented as a contribution to the literature. It has been observed that pipe materials can be classified as hard metals (iron, galvanized steel, etc.), soft metals (copper, aluminum, etc.) and plastic (PPRC, etc.).

Keywords

• anova
• ansys fluent 18.1
• pipes
• pressure drop