Wetting and evaporation characteristics of sessile nanofluid nanodroplet (SNFND) were investigated by molecular dynamics simulation. Results show that for lyophilic surface, with the increase of nanoparticle energy coefficient, contact angle of SNFND increases and total evaporation decreases. Effects of nanoparticle volume percentage on the wetting and evaporation behaviors of SNFND are related to surface wettability. For lyophilic surface, the greater the nanoparticle volume percentage, the greater the contact angle, and the slower the evaporation. For neutral and lyophobic surfaces, nanoparticle volume percentage has obviously strengthening effect on evaporation, and the strengthening effect decreases as nanoparticle volume percentage increases.

通过分子动力学模拟研究了固着纳米流体纳米液滴（SNFND）的润湿和蒸发特性。结果表明，对于亲液性表面，随着纳米粒子能量系数的增加，SNFND的接触角增大，总蒸发量减小。纳米颗粒体积百分比对SNFND润湿和蒸发行为的影响与表面润湿性有关。对于亲液表面，纳米颗粒体积百分比越大，接触角越大，并且蒸发越慢。对于中性和疏液性表面，纳米颗粒体积百分比对蒸发具有明显的增强作用，并且随着纳米颗粒体积百分比的增加，增强作用减小。