STUDY ON VORTEX FLOW VISUALIZATION USING TWO DIFFERENT FLUIDS BY TOWING TANK METHOD

This paper presents a powerful surface-based techniques for experimental work of complex flow fields resulting from towing tank method, these flows have a characteristic which is independent of the medium and its velocity, but depends only upon a parameter called Reynolds numbers which is a non-dimensional number formed by the velocity, geometrical parameter and kinematic viscosity of fluid. There are many situations where one needs to compare with two or more data sets. it may be experimental results, physical parameter, flow visualization through photographs and so on. Model testing has an advantage to assess the performance of a moving body in a scaled down configuration, which is less expensive and has a scope of covering variety of parameters connected with the flow, , by using a towing tank surface visualization of vortex flows around simple geometrical bodies will be investigated to understand the basic nature of resistance offered by the flows to the moving body. This paper focuses on the comparative flow visualization (Streamline) of vortex flow between two different fluids like water and diesel by identifying the physical parameter using towing tank based experimental setup.