| 摩阻存在条件下喷管设计的分析 |
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| 引用本文： | 李华玉,刘中良,梁金国. 摩阻存在条件下喷管设计的分析[J]. 石油地质与工程, 1998, 0(4) |
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| 作者姓名： | 李华玉 刘中良 梁金国 |
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| 作者单位： | 华东石油大学!257062山东东营(李华玉)，华东石油大学(刘中良，梁金国) |
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| 摘 要： | 喷管设计中，临界压力的确定是一个关键。摩阻存在时气体流经喷管时的临界压力不同于可逆绝热时的临界压力．文中提出了有摩阻存在条件下喷管存在实际临界压力的观点，推导出了实际临界压力表达式，并对此作了分析；还探讨了摩阻存在条件下喷管投计中的其它几个问题。
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| 关 键 词： | 气体流动 绝热（喷管） 摩擦力 临界压力 |
Nozzle Design Analysis under Friction-existing Condition |
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| Li Huayu,Liu Zhongliang et al.. Nozzle Design Analysis under Friction-existing Condition[J]. Petroleum Geology and Engineering, 1998, 0(4) |
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| Authors: | Li Huayu Liu Zhongliang et al. |
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| Affiliation: | Li Huayu;Liu Zhongliang et al. |
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| Abstract: | Critical pressure calculation is the key to nozzledesign.The critical pressure when gas flow through nozzle under friction-existing condition is different from that under reversable heat- insu1ated conditions.This paper presents a new view point that nozzle has an actual critical pressure with friction in existence, and derives the formulas to calculate the actual critical pressure. Several other problems in nozzle design under friction-existing condition are also discussed. |
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| Keywords: | Gas flow Heat-insulated nozzle Friction Critical pressure |
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