For the three-phase flow gravity heat pipe without built-in pipe, the equivalent convective heat transfer coefficient increases as the heating power increases.

对于无内置管的三相流重力热管，随着加热功率的增加，等效对流传热系数增大。

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In this paper, the three-phase flow heat transfer enhancement technique is applied to closed gravity heat pipe and a set of three-phase flow gravity heat pipe system is set up.

本文将三相流强化传热技术应用于重力热管，构建了三相流闭式重力热管系统。

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Now, even though it may be difficult to understand how a huge mass of ice can move—or flow, it's another word for it—it's really no secret that glaciers flow because of gravity.

如今，即使想要知道一大块冰如何移动——或换个词讲，漂浮——是非常困难的，但众所周知冰川漂浮是由于重力。

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It uses so-called passive systems for cooling, such as the gravity flow of water and natural circulation based on thermodynamics.

WSJ: NRC Approves Toshiba Reactor Design

The gravity flow, organically farmed winery is powered by solar energy and the youthful inspiration of winemaker Austin Peterson (just 29 years young).

FORBES: Napa's Best Tasting Room With A View---And Wine of the Week

Such an innovation has the potential to defy gravity and flow uphill to rich countries.

FORBES: Reverse Innovation and the Myth of Cannibalization