1867年，大不列颠研究员James Clerk Maxwell想知道能否从稀薄的空气里提炼出有用的能量。这明显与热力学第二定律相矛盾。
In 1867 James Clerk Maxwell, a British researcher, wondered if you could extract useful energy from thin air, in apparent contradiction to the second law of thermodynamics.
应用空气动力学、工程热力学理论，推导空气弹簧垂向动态特性分析的数学模型，经过试验验证模型的正确性。
Based on the theory of aerodynamics, engineering thermodynamics, the mechanical model for air spring vertical dynamical characteristics analysis is built and proved to be correct by test.
介绍了空气弹簧的热力学特性，对空气弹簧的垂直刚度特性和阻尼特性进行了分析。
The thermodynamic characteristics of air spring are introduced. Also analyzed are the vertical stiffness and dampness characteristics.
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