A numerical simulation software of the air pressure wave in a tunnel is introduced in this paper.
文章主要介绍了隧道压力波数值模拟软件的原理与应用。
A nuclear blast is an explosion with intense light and heat, a damaging pressure wave, and widespread radioactive material that can contaminate the air, water, and ground surfaces for miles around.
核爆炸会释放出高能量的光和热，破坏力巨大的压力波，而且四处飘散的放射性物质会污染数周围英里内的空气，水，和地表。
Farther out, oxygen is sucked from the air and people may be crushed by a pressure wave.
更大范围内空气中的氧气被“抽走”，人也可能受到压力波冲击。
Using two-flow model, small perturbation theory and solvable conditions of one-order linear equations, a dispersion equation of pressure wave in horizontal air-liquid bubbly flow was proposed.
利用两流体模型、小扰动原理和线性一阶齐次方程组有解的条件，得到了气液泡状流型下的压力波色散方程。
Washing the air pre-heater with high-pressure water and employing shock-wave ash remover is effective to cure the problem.
对空预器进行清洗和采用新型吹灰措施是治理并防止空预器积灰的有效手段。
Sound pressure level (SPL) sound pressure level is a measurement of the pressure fluctuations of a sound wave as it propagates through the air.
声压级别声压级别是表示在空气中传播的声波的起伏压。
Its idea relies on wave pressure passing over air-filled pillows on the sea floor.
他们的构想是依赖流过海底充气气垫的波压产生电能。脉冲压缩空气进而带动电动涡轮机旋转。
The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline.
利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline.
利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
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