正交分析气固两相喷射颗粒的影响因素（英文）
发布时间：2021-10-13 10:25
气固两相颗粒喷射技术应用广泛,故对其影响因素的研究具有重要的工程意义。首先利用正交实验设计原理对压强与质量2个因素进行安排实验;然后基于CFD-DEM模型利用FLUENT进行数值模拟,将计算的结果进行极差分析和方差分析;最后设计一套喷射实验,拍摄颗粒喷射轨迹,并将拍摄图片进行颜色直方图处理。得出以下结论:通过极差分析和方差分析得出压强的影响大于质量,且当压强为0.3MPa、质量为2g时,其均值最小;当压强取值为0.3 MPa、质量取值为2g时,其喷射效果达到最优化,且拍摄的效果最佳,与数值模拟的结果一致。
【文章来源】：实验流体力学. 2020,34(05)北大核心CSCD
【文章页数】：8 页
【部分图文】：
模型简图
Particles were put into a rectangular frame with a diameter of 0.05 m and a length of 0.1 m.The simulation experiments were carried out according to the parameters in Table 1.The calculation steps were 500 and the particles were tracked.The simulation calculates the percentage of particle loss in each experiment,that is to say,the ratio of the number of tracked particles to the total number of tracked particles is the amount of particle loss in the simulation process.The data of the 16computational simulations are shown in Table 2,and the percentage of loss is shown in Fig.2.By performing the range analysis of the 16experiments,the mean value of pressure and mass was the smallest when the pressure was 0.3 MPa and the mass was 2g.The range of the pressure and the mass are 20.1%and 12.4%,respectively,indicating that the magnitude of the pressure has the greatest impact.Then the variance analysis was performed on the two factors of the pressure and the mass,as shown in Table 3.The F ratios of the pressure and the mass obtained from the variance analysis table were 1.431 and 0.569,respectively,indicating that the influence of pressure was greater.
This experiment mainly observes the flow trajectory of particles under different injection pressures(The dimensions of main instruments in the experiment are shown in Fig.1).The experimental diagram is shown in Fig.3,where A is a compressed air mercury,B is a gas storage chamber,C is a pulse valve,and D is an imaging system,E is where the particles are stored.Using the pulse valve C to eject particles at E.And the instruments used in this experiment are shown in Table 4.3.2 Analysis of experimental results
【参考文献】：
期刊论文
[1]颗粒化肥水平气送式螺旋组合可调定量供肥装置设计与试验[J]. 雷小龙,李蒙良,张黎骅,任万军. 农业工程学报. 2018(19)
[2]基于传输线理论的电磁波反射系数正交分析[J]. 宋鑫华,闫鸿浩,马征征,王洋,徐彬. 科学技术与工程. 2018(12)
[3]Investigation on Measurement of Size and Concentration of Solid Phase Particles in Gas-Solid Two Phase Flow[J]. WANG Yueming,LYU Xiaoqi,LI Wentao,YAO Guodong,BAI Junyuan,BAO An. Chinese Journal of Electronics. 2018(02)
[4]钛渣喷动床沸腾氯化气固两相流数值模拟[J]. 王军,赵英涛,曹丽,朱奎松. 矿产保护与利用. 2017(06)
[5]气固喷射器收缩型喷嘴的仿真模拟及实验[J]. 张海峰,余柄辰,田世伟. 煤炭技术. 2018(01)
[6]果园风送喷雾机导流板角度对气流场三维分布的影响[J]. 吕晓兰,张美娜,常有宏,雷哓晖,杨青松. 农业工程学报. 2017(15)
[7]基于尖点突变理论的浆砌块石边坡稳定性研究[J]. 宋鑫华,闫鸿浩. 岩土力学. 2016(12)
[8]冶金炉外底喷粉气-固喷射器效率影响因素[J]. 谢剑波,周建安,李志强,蒋学凯. 中国冶金. 2016(09)
[9]基于FLUENT对袋式除尘器气流流场的数值模拟[J]. 阮竞兰,张双,张海红. 河南工业大学学报(自然科学版). 2015(04)
[10]超细微粒灭火剂运动特性的数值模拟[J]. 华敏,徐大用,潘旭海,潘仁明. 安全与环境学报. 2013(06)
本文编号：3434479
【文章来源】：实验流体力学. 2020,34(05)北大核心CSCD
【文章页数】：8 页
【部分图文】：
模型简图
Particles were put into a rectangular frame with a diameter of 0.05 m and a length of 0.1 m.The simulation experiments were carried out according to the parameters in Table 1.The calculation steps were 500 and the particles were tracked.The simulation calculates the percentage of particle loss in each experiment,that is to say,the ratio of the number of tracked particles to the total number of tracked particles is the amount of particle loss in the simulation process.The data of the 16computational simulations are shown in Table 2,and the percentage of loss is shown in Fig.2.By performing the range analysis of the 16experiments,the mean value of pressure and mass was the smallest when the pressure was 0.3 MPa and the mass was 2g.The range of the pressure and the mass are 20.1%and 12.4%,respectively,indicating that the magnitude of the pressure has the greatest impact.Then the variance analysis was performed on the two factors of the pressure and the mass,as shown in Table 3.The F ratios of the pressure and the mass obtained from the variance analysis table were 1.431 and 0.569,respectively,indicating that the influence of pressure was greater.
This experiment mainly observes the flow trajectory of particles under different injection pressures(The dimensions of main instruments in the experiment are shown in Fig.1).The experimental diagram is shown in Fig.3,where A is a compressed air mercury,B is a gas storage chamber,C is a pulse valve,and D is an imaging system,E is where the particles are stored.Using the pulse valve C to eject particles at E.And the instruments used in this experiment are shown in Table 4.3.2 Analysis of experimental results
【参考文献】：
期刊论文
[1]颗粒化肥水平气送式螺旋组合可调定量供肥装置设计与试验[J]. 雷小龙,李蒙良,张黎骅,任万军. 农业工程学报. 2018(19)
[2]基于传输线理论的电磁波反射系数正交分析[J]. 宋鑫华,闫鸿浩,马征征,王洋,徐彬. 科学技术与工程. 2018(12)
[3]Investigation on Measurement of Size and Concentration of Solid Phase Particles in Gas-Solid Two Phase Flow[J]. WANG Yueming,LYU Xiaoqi,LI Wentao,YAO Guodong,BAI Junyuan,BAO An. Chinese Journal of Electronics. 2018(02)
[4]钛渣喷动床沸腾氯化气固两相流数值模拟[J]. 王军,赵英涛,曹丽,朱奎松. 矿产保护与利用. 2017(06)
[5]气固喷射器收缩型喷嘴的仿真模拟及实验[J]. 张海峰,余柄辰,田世伟. 煤炭技术. 2018(01)
[6]果园风送喷雾机导流板角度对气流场三维分布的影响[J]. 吕晓兰,张美娜,常有宏,雷哓晖,杨青松. 农业工程学报. 2017(15)
[7]基于尖点突变理论的浆砌块石边坡稳定性研究[J]. 宋鑫华,闫鸿浩. 岩土力学. 2016(12)
[8]冶金炉外底喷粉气-固喷射器效率影响因素[J]. 谢剑波,周建安,李志强,蒋学凯. 中国冶金. 2016(09)
[9]基于FLUENT对袋式除尘器气流流场的数值模拟[J]. 阮竞兰,张双,张海红. 河南工业大学学报(自然科学版). 2015(04)
[10]超细微粒灭火剂运动特性的数值模拟[J]. 华敏,徐大用,潘旭海,潘仁明. 安全与环境学报. 2013(06)
本文编号：3434479
本文链接：https://www.wllwen.com/guanlilunwen/gongchengguanli/3434479.html
