中性浮力

气动壳体结构中性浮力模拟失重动力学分析研究

Study on Weightlessness Dynamics Simulated by Neutral Buoyancy in Air-driven Shell

美国的中性浮力模拟器及其应用

American neutral buoyancy simulator and its application

表面张力贮箱设计中的中性浮力实验方法

Neutral buoyancy test ing method in design of surface tension tank

结果定质量流量供气的气动壳体结构的中性浮力平衡是不稳定的。

Result Under constant mass-flux condition , neutral buoyancy balance of air-driven spherical shell was unstable .

结论气动壳体结构的中性浮力平衡控制是实现稳定可靠的中性浮力平衡的核心问题。

Conclusion The key to achieve stable neutral buoyancy balance is the design of the system controller .

本文利用κ-ε-（？）~2湍流模型，提出了在局部分层环境中，中性浮力点前的平面湍浮力射流的数学模型。

A k - ε - T12 turbulence model is used to obtain the mathematical model of plane buoyant jets before the point of neutral buoyancy in partial stratified environment .

文章通过对国外中性浮力模拟试验和设备情况的介绍，归纳出该类设备主要的5类应用，并提出对我国大型中性浮力模拟器设备的总体设想。

Through the introduction of foreign NBS tests and facilities status , this paper induces five major domains of applications , which leads to the general concepts of constructing big NBS in China .

文章对上述问题进行了充分的比较研究，并在此基础上指出了中性浮力水槽和失重飞机是失重模拟设备中最常用和最有效的工具。

For above mentioned issues , a comparative investigation has been fully made , and it is indicated that neutral buoyancy simulator and zero-G aircraft are very useful and effective implements among simulated weightlessness facilities .