【摘要】：通過(guò)分子動(dòng)力學(xué)模擬的方法建立了疏水顆粒之間、疏水顆粒與氣泡之間相互作用的模型,闡明了疏水表面間和疏水表面與氣泡間納米氣泡橋的形成和消失過(guò)程,并定量計(jì)算了納米氣泡橋的作用距離和作用力大小。結(jié)果表明:溶解在水中的氣體會(huì)在疏水表面吸附,當(dāng)疏水顆粒彼此靠近到一定程度時(shí),吸附在它們表面上的氣體會(huì)相互連通形成納米氣泡橋;同樣,當(dāng)疏水顆粒和氣泡接近到一定程度時(shí),吸附在疏水顆粒表面的氣體也會(huì)與氣泡內(nèi)的氣體相互連通形成納米氣泡橋,納米氣泡橋是它們之間引力的根源。
[Abstract]:A model of interaction between hydrophobic particles, hydrophobic particles and bubbles was established by molecular dynamics simulation. The formation and disappearance of nano-bubble bridges between hydrophobic surfaces and bubbles were described. The action distance and force of nanometer bubble bridge were calculated quantitatively. The results show that the gases dissolved in water are adsorbed on the hydrophobic surface, and when the hydrophobic particles are close to each other to a certain extent, the gas adsorbed on their surface will be connected to each other to form a nano-bubble bridge. When the hydrophobic particles and bubbles are close to a certain extent, the gas adsorbed on the surface of the hydrophobic particles will also connect with the gas in the bubble to form a nano-bubble bridge, which is the root of their gravity.
【作者單位】： 太原理工大學(xué)新型傳感器與智能控制教育部與山西重點(diǎn)實(shí)驗(yàn)室;
【基金】：國(guó)家自然科學(xué)基金(21376161) 山西省科技攻關(guān)項(xiàng)目(20120321004-03)
【分類號(hào)】：O56
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本文編號(hào)：2249015