التفاصيل البيبلوغرافية
| العنوان: |
基于CFD评估蒸汽喷射泵的抗背压能力. (Chinese) |
| Alternate Title: |
CFD-Based Evaluation of Back Pressure Resistance of Steam Ejectors. (English) |
| المؤلفون: |
王晓冬, 孙 浩, 宁久鑫, 孙浩林 |
| المصدر: |
Journal of Northeastern University (Natural Science); Mar2020, Vol. 41 Issue 3, p399-437, 4p |
| مصطلحات موضوعية: |
COMPUTATIONAL fluid dynamics, KINETIC energy, NOZZLES, THROAT, PRESSURE, DIAMETER |
| Abstract (English): |
The back pressure resistance of the steam ejector was evaluated by the kinetic energy e of the unit volume of the steam ejector’s throat outlet section. The influence of geometric parameters of the ejector including throat diameter d,mixing chamber angle θ and nozzle exit position s on the steam ejector’s back pressure resistance and the relationship between e and the steam ejetor’s back pressure resistance were studied by using the computational fluid dynamics( CFD) method. The results showed that as d or θ decreases,or s increases,e and the back pressure resistance of steam ejector increase. When d,θ and s change,e can be used as a standard for evaluating the capability to resist the back pressure of steam ejectors. [ABSTRACT FROM AUTHOR] |
| Abstract (Chinese): |
通过蒸汽喷射泵喉部出口截面单位体积流体的动能e评估蒸汽喷射泵的抗背压能力.利用计算流体力学(computational fluid dynamics,CFD)方法研究喷射泵几何参数--喉部直径d、混合室角度θ和喷嘴出口位置s对蒸汽喷射泵抗背压能力的影响,以及e与蒸汽喷射泵抗背压能力之间的关系.结果表明:随着d或θ的减小,或s的增大,都会导致e增大,此时蒸汽喷射泵抗背压能力增强;当d,θ及s变化时,e可作为评估蒸汽喷射泵抗背压能力的指标. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
