pulse combustion meaning in English
脉冲燃烧
Examples
- Research on pulse combustion drying and its characteristics o f heat transfer
脉动燃烧干燥及传热特性研究 - ( 3 ) comparison of the experimental data with the simulation results a pulse combustion spray drying system was constructed and the spray drying of nacl solution was carried out under a high oscillating flow field generated by the pulse combustor
( 3 )进行了脉动燃烧喷雾干燥试验和数学模型验证建立了脉动燃烧喷雾干燥试验装置，并利用质量分数10的nacl溶液进行脉动气流直接雾化和干燥的试验。 - ( 2 ) the explicit simulating process for the pulse combustion spray drying process in this project , both the gas - phase equations and particle - phase equations were integrated in the computational cell using up - wild scheme to obtain the finite difference equations . the gas - phase equations are solved using the simpler algorithm and multiple iterations have been made based on a two - way coupling ( legaml algorithm )
( 2 )进行了模型的求解本文详细论述了该类数学模型的具体求解过程，包括模拟区域的确定和非结构化网格的划分、边界条件的选择、微分方程的控制容积离散方法、代数方程组的simpler解法以及两相流方程的legami算法。 - ( 1 ) the cfd model for the pulse combustion spray drying process . the computational fluid dynamics ( cfd ) based on the two - phase flow theory was employed in this paper , which used the standard k - e model and the particle trajectory model to simulate the gas - particle flow in the drying chamber . the momentum , heat and mass transfer regarding both gaseous and particulate phases during the spray drying inside the drying chamber was also revealed
为解决这一难题，本文利用气体一颗粒两相流理论和计算流体力学( cfd )技术，建立了更符合实际喷雾干燥过程的数学模型即喷雾干燥的cfd模型，并进行了脉动燃烧喷雾干燥过程模拟，其主要内容如下： ( 1 )建立了脉动燃烧喷雾干燥的cfd模型该数学模型建立在气体一颗粒两相流基础之上，用标准k -模型预测干燥室内的气体湍流运动过程，颗粒轨道模型追踪干燥室内颗粒群的运动轨迹，热质传递模型描述空气和液滴的热质传递过程。 - ( 4 ) the influence of pulsation frequency on the drying process two special cases , in which the selected pulsation frequencies were 0 h / , and 83 h / respectively , were simulated and their simulation results indicated that the pulsating frequency of gas stream could improve the intensities of the heat and mass transfer during a pulse combustion spray drying process
( 4 )揭示了气流脉动对干燥过程的影响本文模拟脉动频率为83hz的脉动气流和非脉动气流的两种干燥过程，比较两种干燥过程的颗粒蒸发速率和湿含量变化。模拟结果表明气流脉动对喷雾干燥过程有一定增强作用。