Seyed Farshid Chini

Department of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran

[ 1 ] - Improving the natural convective heat transfer of a rectangular heatsink using superhydrophobic walls: A numerical approach

The effect of utilizing superhydrophobic walls on improving the convective heat transfer in a rectangular heatsink has been studied numerically in this paper. The vertical walls were kept at isothermal hot-and-cold temperatures and horizontal walls were insulated. The boundary condition on the walls was: no-slip for regular, and slip (with slip length of 500 µm) for superhydrophobic walls. By c...

[ 2 ] - Evaluation of Evaporation Estimation Methods: a Case Study of Karaj Dam Lake

Evaporation is one of the largest water losses from most of the dam lakes in Iran. Estimating the evaporation rate enables us to apply the proper evaporation mitigation technologies. In this study, the feasibility of different evaporation estimation methods was studied to find an optimum method with a fair tradeoff between cost and accuracy. The optimum method may vary depending on the climate....

[ 3 ] - Sessile and Pendant Micro-Liter Drops Evaporate at Different Rates: An Experimental Approach

Evaporation of micro-liter drops from solid surfaces at room condition is mainly governed by diffusion. Therefore, there should be no difference between evaporation rate of sessile and pendant drops. However, some studies indicate a difference and explain the difference using buoyancy. The objective here is to reconcile the inconsistency in the literature. For that, first, by comparing two iden...