Laminar Heat Transfer in Parallel Plates with Freezing by Using Periodic Flow Reversals

The present paper studies an ice formation problem with potential applicability for improving heat pump performance. This paper presents results for the problem of freezing with periodic flow direction reversals inside parallel plates. The problem of freezing and thawing under a constant wall temperature boundary condition was numerically solved as a basis for this approach and experimentally compared with those results. The governing equation was written in terms of the stream function and the vorticity transport equation. The finite difference equations are based on the control volume method and the power method. A fully developed velocity distribution was assumed at the entrance of the cooling section. The model uses the fixed boundary method, based on the Landau transformation. The ice shape and the performance were also obtained experimentally. These experimental results are In good agreement with the numerical results.