Title: Optimal Design of Orifice Flow Meter Using Computational Fluid Dynamics (CFD)
Abstract:Orifice flow meter constitutes one of the most common differential pressure flow meters.However, high energy loss is occurred with the measurement process.The present research considers 3 steady simul...Orifice flow meter constitutes one of the most common differential pressure flow meters.However, high energy loss is occurred with the measurement process.The present research considers 3 steady simulation using Reynolds Averaged Navier-Stokes equations (RANS).New design of the orifice plate s carried out using the adjoint method.Optimal shape of orifice plate shows 55 % reduction of the pressure loss coefficient at a Reynolds number = 1.84 × 10 4 .The discharge coefficient is increased by 39 %.Also, the effect of downstream ring is investigated.Optimize the shape of the ring has a slight effect on reducing energy consumed.However, applying adjoint method on the orifice plate with downstream ring achieves considerable effect in the pressure loss.Reduction by 34 % in pressure loss coefficient is obtained by the optimal orifice with downstream ring.Shape optimization by the adjoint method has a significant contribution in decreasing the consumed energy through the orifice meter.Read More