Effect of End Obstruction for optimum performance of Modified Vortex Tube with Dual Forced Vortex Flow

摘要

In the present work the cone-shaped valve at the hot end of existing model is replaced with a hollow cone-shaped valve gives a provision for passage through the inner core. A conical valve is introduced at the orifice, guide the forced vortex yet again to strike back evolve one more forced vortex flow, which escapes through the central core of the hollow cone-shaped valve. Thus the revised vortex tube with two forced vortex flows is named as dual forced flow vortex tube (DFFVT). The free vortex end zone, influence the convergent of air and govern the forced vortex flow model. Providing an obstacle at the hollow cone end boosts up the desired flow and improves the energy separation. In the present work, an effort is made to examine the consequence of end obstruction on the performance of modified vortex tube. A series of tubes with distinct level of obstacle were tested The results imply that the temperature drop is effective with 0.305 end obstruction to tube area Also the cold orifice diameter is varied for optimal performance of the tube.