航天推进技术研究院主办
[1]左博．张蒙正.凝胶模拟液直圆管流动特性数值模拟[J].火箭推进,2008,34(05):27-30.
Zuo Bo,Zhang Mengzheng.N umerical simulation of tube flow characteristics for gel simulation[J].Journal of Rocket Propulsion,2008,34(05):27-30.
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Zuo Bo,Zhang Mengzheng.N umerical simulation of tube flow characteristics for gel simulation[J].Journal of Rocket Propulsion,2008,34(05):27-30.
凝胶模拟液直圆管流动特性数值模拟
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
34
期数:
2008年05期
页码:
27-30
栏目:
研究与设计
出版日期:
2008-10-30
- Title:
- N umerical simulation of tube flow characteristics for gel simulation
- Keywords:
- gel simulation; straight round pipe; numerical simulation
- 分类号:
- V439
- 文献标志码:
- A
- 摘要:
- 采用POLYFLOW软件，对幂律型凝胶模拟液在直圆管内的流动和流变特性进 行了数值模拟研究。结果表明：在流速和管径不变时，压降随管长的增加成线性增加；在流 速和管长不变时．压降随管径的增大急剧减小；随着流变指数的减小，直圆管轴线附近出现 明显的柱塞流动区，在此区域内，速度和剪切速率变化较小，剪切粘度值趋于最大；在管壁 附近。速度和剪切速率变化较大，剪切粘度降低明显。
- Abstract:
- The flow and rheological characteristics of gel simulation in the pipe were simulated by using POLYFLOW software．The result shows：the pressure loss linearity increase with tube length when velocity and diameter are invariable．The pressure loss reduces rapidly with diameter increase when velocity and pipe length are invariable．The plug flow area is existed obviously at axes area along with power law index increase．In this area，the change of velocity and shear rate is smaller，and the shear viscosity is the biggest．In the area of pipe wall，the changes of velocity and shear rate are tempestuousness，and the shear viscosity decreased obviously．
参考文献/References:
[1]刘凯强，屈育龙，王明珍，等．小分子有机胶凝剂和凝胶
推进剂的研究进展[J]．火炸药学报，2003，26(4)：23-26．
[2]Jens von Kampen，Klaus Madlener,Helmut K Ciezki．
Characteristic Flow and Spray Properties of Gelled Fuels
with Regard to the Impinging Jet Injector Type[R]．
AIAA2006-4573．
[3]3 Yair Solomon,Benveniste Natan,Yachin Cohen．Combustion
of Gel Fuels based on Organic Gellants[R]．AIAA2006-
4565．
[4]Natan Benveniste,Rahimi Shai．，11le Status ofGel Propellants
in Year 2000[M]．Combustion of Energetic Materials,2001．
[5]杨伟东，张蒙正．凝胶推进剂模拟液直厕管流动特性初
步研究[J]．火箭推进，2006，32(3)：12—17。
[6]左博，张蒙正．凝胶推进剂直圆管中剪切速率与表观粘
性实验研究[J]．火箭推进，2007，33(4)：12-15．
[7]张蒙正，杨伟东，孙彦堂，等．凝胶推进剂直囤管流动特
性探讨[J]．火箭推进，2007，33(5)：1-5．
[8]8 Shai Rahimi，Benveniste Natan．ne Injection Process of
Gel fuels[R]．AIAA l 997—2973．
相似文献/References:
[1]左博,张蒙正,张玫.凝胶推进剂模拟液直圆管压降
计算及误差分析[J].火箭推进,2008,34(01):49.
Zuo Bo,Zhang Mengzheng,Zhang Mei.Calculation and error analysis of pressure drop of
gelled propellant simulants in the pipe[J].Journal of Rocket Propulsion,2008,34(05):49.
[2]张蒙正,杨伟东,孙彦堂,等.凝胶推进剂直圆管流动特性探讨[J].火箭推进,2007,33(05):1.
Zhang Mengzheng,Yang Weidong,Sun Yantang,et al.Discussion on gelled propellant fluid characteristics in straight round pipe[J].Journal of Rocket Propulsion,2007,33(05):1.
[3]杨伟东,张蒙正.凝胶推进剂模拟液直圆管流动特性初步研究[J].火箭推进,2006,32(03):12.
Yang Weidong,Zhang Mengzheng.Investigation of flow characteristics in straight round pipe of gelled propellant simulants[J].Journal of Rocket Propulsion,2006,32(05):12.
备注/Memo
收稿日期：2008-05-26；修回日期：2008-07-06。 作者简介：左博(1982一)，男，硕士，研究领域为火箭发动机系统设计。
更新日期/Last Update:
1900-01-01