航天推进技术研究院主办
[1]王 通,刘 上,姜 垒,等.开式循环液氧煤油发动机推力调节特性分析[J].火箭推进,2023,49(02):57-65,82.
WANG Tong,LIU Shang,JIANG Lei,et al.Investigation of thrust adjustment characteristics of open-cycle LOX/kerosene engine[J].Journal of Rocket Propulsion,2023,49(02):57-65,82.
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WANG Tong,LIU Shang,JIANG Lei,et al.Investigation of thrust adjustment characteristics of open-cycle LOX/kerosene engine[J].Journal of Rocket Propulsion,2023,49(02):57-65,82.
开式循环液氧煤油发动机推力调节特性分析
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
49
期数:
2023年02期
页码:
57-65,82
栏目:
目次
出版日期:
2023-04-25
- Title:
- Investigation of thrust adjustment characteristics of open-cycle LOX/kerosene engine
- 文章编号:
- 1672-9374(2023)02-0057-09
- Keywords:
- open-cycle; LOX/kerosene engine; static properties; system simulation; thrust adjustment schemes
- 分类号:
- V434
- 文献标志码:
- A
- 摘要:
- 以开式循环液氧煤油发动机为研究对象,重点建立了冷却套传热模型,并嵌入发动机系统静态模型,通过试车数据验证了静态模型的准确性。通过静态调节仿真计算,对比5种不同推力调节方案的特性。结果表明:氧副路调节方案和涡轮燃气分流方案不能满足要求; 主路节流方案、副路双路调节方案和氧副路双工位阀+燃料副路调节器方案均可以实现发动机推力的大范围调节; 综合考虑调节元件的设计难度和发动机应用需求,氧副路双工位阀+燃料副路调节器方案有望在工程研制中得到应用。
- Abstract:
- A cooling jacket heat transfer model was established for the open-cycle LOX/kerosene engine and embedded in the engine system static model.The accuracy of the static model was verified by the test data.The characteristics of five different thrust adjustment schemes were compared by static control simulation calculation.The results show that it is not feasible to adjust the oxidizer path scheme of the gas generator and the flow rate scheme of the gas turbine.The main throttling scheme, the secondary double-way regulating scheme and the gas generator oxygen path setting double-position valve with the fuel path setting regulator scheme can realize the large-scale adjustment of the engine thrust.Considering the difficulty of the design of the adjusting element and the requirement of the engine application, the gas generator oxygen path setting double-position valve with the fuel path setting regulator scheme is expected to be applied in the engineering development.
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相似文献/References:
[1]张相盟,陈 晖,高玉闪,等.500吨级液氧煤油发动机结构动态特性[J].火箭推进,2020,46(02):44.
ZHANG Xiangmeng,CHEN Hui,GAO Yushan,et al.Research on structural dynamic characteristics of the 500-ton LOX/kerosene rocket engine[J].Journal of Rocket Propulsion,2020,46(02):44.
[2]姜 垒,刘 上,刘志让,等.燃气发生器点火接力过程对发动机起动性能的影响[J].火箭推进,2021,47(03):74.
JIANG Lei,LIU Shang,LIU Zhirang,et al.Influence of ignition relay process of gas generator onstarting performance of engines[J].Journal of Rocket Propulsion,2021,47(02):74.
备注/Memo
收稿日期:2021-12-15; 修回日期:2022-02-16
作者简介:王通(1997—),男,硕士,研究领域为液体火箭发动机系统动力学。
更新日期/Last Update:
1900-01-01