| 活塞往复泵内流场非稳态数值模拟 |
| |
| 引用本文： | 黄启龙,李进贤,郑亚,杨孟夏. 活塞往复泵内流场非稳态数值模拟[J]. 重庆理工大学学报(自然科学版), 2011, 0(3) |
| |
| 作者姓名： | 黄启龙 李进贤 郑亚 杨孟夏 |
| |
| 作者单位： | 西北工业大学航天学院; |
| |
| 摘 要： | 为提高空间液体火箭推进系统性能,满足航天任务的轻质需求,采用活塞往复泵对推进剂进行增压输送。采用动态层和局部重划2种动网格技术研究往复泵内的非稳态流场,分析了活塞挤压推进过程中内流场的压强分布,得到了往复泵的压强输出特性以及结构参数对往复泵平均流量的影响。结果表明:往复泵输送推进剂时压强升高迅速,其单向阀在活塞行程末端有效阻止了推进剂回流;双缸往复泵交替作用时,有利于对推进剂的平稳输出。
|
| 关 键 词： | 往复泵 非稳态 流场 动网格 数值模拟 |
Numerical Simulation of Unsteady Inner Flow Field in Reciprocating Piston Pump |
| |
| HUANG Qi-long,LI Jin-xian,ZHENG Ya,YANG Meng-xia. Numerical Simulation of Unsteady Inner Flow Field in Reciprocating Piston Pump[J]. Journal of Chongqing University of Technology(Natural Science), 2011, 0(3) |
| |
| Authors: | HUANG Qi-long LI Jin-xian ZHENG Ya YANG Meng-xia |
| |
| Affiliation: | HUANG Qi-long,LI Jin-xian,ZHENG Ya,YANG Meng-xia(College of Astronautics,Northwestern Polytechnical University,Xi'an 710072,China) |
| |
| Abstract: | In order to enhance the performance of liquid rocket propulsion systems so as to satisfy the requirement of light weight of spaceflight,the paper proposed that the propellant would be expelled at high pressure by reciprocating piston pump.It researched on unsteady flow field in reciprocating piston pump by means of dynamic mesh technology with dynamic layering method and local re-meshing method,analyzed the pressure distributions of inner flow field in pressurizing propellant by pump pistons,and obtained th... |
| |
| Keywords: | reciprocating pump unsteady flow field dynamic mesh numerical simulation |
| 本文献已被 CNKI 等数据库收录！ |
|
