Article(id=1228654095460922058, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228654089437901468, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2024.12.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1680019200000, receivedDateStr=2023-03-29, revisedDate=1687622400000, revisedDateStr=2023-06-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1770863563646, onlineDateStr=2026-02-12, pubDate=1735315200000, pubDateStr=2024-12-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770863563646, onlineIssueDateStr=2026-02-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770863563646, creator=13701087609, updateTime=1770863563646, updator=13701087609, issue=Issue{id=1228654089437901468, tenantId=1146029695717560320, journalId=1225147924628267009, year='2024', volume='37', issue='12', pageStart='1993', pageEnd='2167', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770863562211, creator=13701087609, updateTime=1770863940325, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228655675413299456, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228654089437901468, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228655675413299457, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228654089437901468, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2078, endPage=2085, ext={EN=ArticleExt(id=1228654096912151270, articleId=1228654095460922058, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Aerodynamic synchronization and barrel vibration control of paired inclined nozzles, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
A vibration-controlled device with paired inclined nozzles is designed to reduce the barrel vibration and minimize the impact on the aircraft during continuous firing. The newly designed paired inclined nozzles generate only dynamic moment and recoil force,without producing transverse force. An interior ballistics model of the barrel with lateral channels is established,and the TVD-MacCormack difference scheme is utilized to numerically calculate the flow field in the barrel and the time-dependent aerodynamic force of the nozzles. Dynamic simulations of the continuous firing process of the aircraft gun are conducted to evaluate the effect of the paired inclined nozzles on the muzzle vibration. Results show that the time difference of the maximum aerodynamic force of the two nozzles is 0.07 ms,with a relative difference of the maximum aerodynamic force of only 0.5%. This indicates that the two nozzles are well synchronized. The paired oblique nozzles can greatly reduce the muzzle vibration without compromising the initial velocity of the projectile. The linear displacement and velocity of the lateral vibration decrease by 26.9% and 44.3%,respectively. The recoil momentum also decreases by 17.93%,without generating transverse force on the aircraft. As a result,the impact on the aircraft is significantly reduced. The achievements of this research will support the design of aircraft gun barrels with paired inclined nozzles.
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为降低某30 mm航炮连续射击时的身管振动和对飞行器的冲击,提出对武器身管产生动力偶和反后坐力、不产生横向力的成对斜喷管振动控制方案。基于两相流理论,建立考虑身管侧向导气的武器内弹道模型,运用TVD⁃MacCormack差分格式进行了数值求解,获得了武器膛内流场和两喷管气动力随时间的变化曲线。进一步对航炮连续射击过程进行动力学仿真,分析了成对斜喷管对炮口振动的影响。结果表明,两斜喷管气动力峰值发生时间相差0.07 ms,且瞬态最大气动力差0.5%,具有较好的同步性;控制装置能在弹丸初速度基本不降低的情况下,使炮口的横向振动线位移和线速度分别减小26.9%和44.3%,炮口振动响应降低较为明显;同时武器后坐冲量减小17.93%,且不对飞行器产生横向力作用,武器对机身的冲击明显降低。该研究可为航炮成对斜喷管身管振动控制装置的设计提供理论依据。
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邱明(1976—),男,博士,副教授。E-mail:qiuming@163.com。
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Aerial gun equipped with vibration control device and its working principle, figureFileSmall=DEE8ShnI+k4pN/lxlOjyPA==, figureFileBig=tvxHpZoK0aa28cJMBVa3Mw==, tableContent=null), ArticleFig(id=1228654120593191532, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=图1, caption=
配置振动控制装置的航炮及其工作原理1.下斜喷管;2. 固定器;3.导气管;4.活塞;5.弹簧;6.上斜喷管;7. 压紧盖;8.弹丸;9.身管;10.导气孔;11.机框;12. 机头;13.机心;14.机心架;15.摇架;16.节套;17. 缓冲器;18.缓冲簧
, figureFileSmall=DEE8ShnI+k4pN/lxlOjyPA==, figureFileBig=tvxHpZoK0aa28cJMBVa3Mw==, tableContent=null), ArticleFig(id=1228654120760963701, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Fig.2, caption=
Flow chart of solution method, figureFileSmall=bm/7MvSRMx/NXBYDDWd1oQ==, figureFileBig=+VZaZOdT2RVkZWN+EGHRIg==, tableContent=null), ArticleFig(id=1228654120840655481, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=图2, caption=
求解方法流程图, figureFileSmall=bm/7MvSRMx/NXBYDDWd1oQ==, figureFileBig=+VZaZOdT2RVkZWN+EGHRIg==, tableContent=null), ArticleFig(id=1228654120911958652, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Fig.3, caption=
Effects of the gas port diameter and position on the projectile velocity, figureFileSmall=gSmbwDL4PZm2kaI8Gs/v5A==, figureFileBig=8h2GVIFTW0qi8P0f95O6kg==, tableContent=null), ArticleFig(id=1228654120991650434, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=图3, caption=
导气孔直径和位置对弹丸初速度的影响, figureFileSmall=gSmbwDL4PZm2kaI8Gs/v5A==, figureFileBig=8h2GVIFTW0qi8P0f95O6kg==, tableContent=null), ArticleFig(id=1228654121062953606, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Fig.4, caption=
Comparison of two aircraft guns’ pressures, figureFileSmall=xsf9UPulb7JyU9k1ujYZHg==, figureFileBig=SZeCbksvHZNMBjzOsbqsTQ==, tableContent=null), ArticleFig(id=1228654121130062473, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=图4, caption=
两种航炮压力对比, figureFileSmall=xsf9UPulb7JyU9k1ujYZHg==, figureFileBig=SZeCbksvHZNMBjzOsbqsTQ==, tableContent=null), ArticleFig(id=1228654121234920078, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Fig.5, caption=
Time history curves of two aircraft guns’ recoil impulse, figureFileSmall=p4IqS+PU6ZWQlZQPnjqmDw==, figureFileBig=ScrJk0j94T/YyLC6474/tA==, tableContent=null), ArticleFig(id=1228654121302028945, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=图5, caption=
两种航炮后坐冲量时程曲线, figureFileSmall=p4IqS+PU6ZWQlZQPnjqmDw==, figureFileBig=ScrJk0j94T/YyLC6474/tA==, tableContent=null), ArticleFig(id=1228654121385915028, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Fig.6, caption=
Time history curves of front and rear nozzles’ reverse thrust, figureFileSmall=A8eTyXy8ceHbJY+3mADAsA==, figureFileBig=hllb6/RxMGQ59TU4nHSTKA==, tableContent=null), ArticleFig(id=1228654121465606808, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=图6, caption=
前后喷管反推力时程曲线, figureFileSmall=A8eTyXy8ceHbJY+3mADAsA==, figureFileBig=hllb6/RxMGQ59TU4nHSTKA==, tableContent=null), ArticleFig(id=1228654121536909983, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Fig.7, caption=
Muzzle vibration characteristic curves of ordinary aircraft gun, figureFileSmall=xwTw6sniFQTKZw5+8T5j/A==, figureFileBig=XhWNN4FP6edexaoCjczNXQ==, tableContent=null), ArticleFig(id=1228654121637573279, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=图7, caption=
普通航炮炮口振动特性曲线, figureFileSmall=xwTw6sniFQTKZw5+8T5j/A==, figureFileBig=XhWNN4FP6edexaoCjczNXQ==, tableContent=null), ArticleFig(id=1228654121700487844, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Fig.8, caption=
Muzzle vibration characteristic curves when the angle between barrel axis and nozzle axis is 30°, figureFileSmall=lH+ZRUDRKL6G8mK0qxhA3A==, figureFileBig=xDL6x3tlS8ouKrKi2dHXLQ==, tableContent=null), ArticleFig(id=1228654121763402409, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=图8, caption=
喷管与身管轴线呈30°炮口振动特性曲线, figureFileSmall=lH+ZRUDRKL6G8mK0qxhA3A==, figureFileBig=xDL6x3tlS8ouKrKi2dHXLQ==, tableContent=null), ArticleFig(id=1228654121830511278, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Tab.1, caption=
Structure and charging parameters of the aircraft gun
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 数值 | 参数名称 | 数值 |
|---|
口径 | 30 | 身管长度L/m | 1.26 |
火药密度ρp/( | 1600 | 装药量 | 0.049 |
弹丸质量 | 0.236 | 火药力 / | 9×105 |
| 比热比k | 1.25 | 余容α/ | 0.001 |
固相比内能 /( | 3.6×106 | 火药厚度 | 0.00055 |
), ArticleFig(id=1228654121906008756, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=表1, caption=
航炮的结构参数和装药参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 数值 | 参数名称 | 数值 |
|---|
口径 | 30 | 身管长度L/m | 1.26 |
火药密度ρp/( | 1600 | 装药量 | 0.049 |
弹丸质量 | 0.236 | 火药力 / | 9×105 |
| 比热比k | 1.25 | 余容α/ | 0.001 |
固相比内能 /( | 3.6×106 | 火药厚度 | 0.00055 |
), ArticleFig(id=1228654121985700538, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Tab.2, caption=
Parameters of the vibration⁃controlled device
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 数值 |
|---|
弹簧刚度 /(N·mm-1) | 9×106 |
导气管截面积 /mm2 | 804.25 |
导气孔截面积 /mm2 | 804.25 |
喷管张角 /(°) | 5 |
导气孔位置 /mm | 800 |
), ArticleFig(id=1228654123336266431, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=表2, caption=
振动控制装置参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 数值 |
|---|
弹簧刚度 /(N·mm-1) | 9×106 |
导气管截面积 /mm2 | 804.25 |
导气孔截面积 /mm2 | 804.25 |
喷管张角 /(°) | 5 |
导气孔位置 /mm | 800 |
), ArticleFig(id=1228654123424346818, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Tab.3, caption=
Vibration characteristics of ordinary aircraft gun and 90° nozzles aircraft guns with different moments
, figureFileSmall=null, figureFileBig=null, tableContent=
| 力矩/(N·mm) | 线位移/mm | 线速度/(103mm·s-1) | 角位移/mrad | 角速度/(rad·s-1) |
|---|
| 普通 | (-6.7,5.6) | (-1.1,1.0) | (-1.2,1.2) | (-0.6,0.5) |
| 100 | (-5.9,5.0) | (-0.6,0.7) | (-1.2,1.1) | (-0.6,0.5) |
| 200 | (-5.7,5.0) | (-0.6,0.6) | (-1.1,1.1) | (-0.6,0.5) |
| 400 | (-6.7,5.2) | (-0.7,0.7) | (-1.3,1.2) | (-0.6,0.5) |
| 600 | (-9.5,5.6) | (-0.8,0.7) | (-1.4,1.3) | (-0.5,0.5) |
), ArticleFig(id=1228654123508232903, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=表3, caption=
普通航炮与不同力矩下的90°喷管航炮的振动特性
, figureFileSmall=null, figureFileBig=null, tableContent=
| 力矩/(N·mm) | 线位移/mm | 线速度/(103mm·s-1) | 角位移/mrad | 角速度/(rad·s-1) |
|---|
| 普通 | (-6.7,5.6) | (-1.1,1.0) | (-1.2,1.2) | (-0.6,0.5) |
| 100 | (-5.9,5.0) | (-0.6,0.7) | (-1.2,1.1) | (-0.6,0.5) |
| 200 | (-5.7,5.0) | (-0.6,0.6) | (-1.1,1.1) | (-0.6,0.5) |
| 400 | (-6.7,5.2) | (-0.7,0.7) | (-1.3,1.2) | (-0.6,0.5) |
| 600 | (-9.5,5.6) | (-0.8,0.7) | (-1.4,1.3) | (-0.5,0.5) |
), ArticleFig(id=1228654123621479118, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=EN, label=Tab.4, caption=
Vibration characteristics of aircraft guns with different nozzle angles and ordinary aircraft gun
, figureFileSmall=null, figureFileBig=null, tableContent=
| 喷管角度/(°) | 线位移/mm | 线速度/(103mm·s-1) | 角位移/mrad | 角速度/(rad·s-1) |
|---|
| 0 | (-5.6,5.1) | (-0.6,0.6) | (-1.1,1.1) | (-0.5,0.4) |
| 10 | (-4.7,4.5) | (-0.6,0.6) | (-1.0,1.1) | (-0.5,0.4) |
| 30 | (-4.6,4.3) | (-0.5,0.6) | (-0.8,0.9) | (-0.4,0.4) |
| 50 | (-5.2,4.7) | (-0.6,0.6) | (-1.1,1.1) | (-0.5,0.4) |
| 70 | (-5.3,4.8) | (-0.6,0.7) | (-1.1,1.1) | (-0.5,0.4) |
), ArticleFig(id=1228654123705365199, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228654095460922058, language=CN, label=表4, caption=
不同喷管角度航炮与普通航炮的振动特性
, figureFileSmall=null, figureFileBig=null, tableContent=
| 喷管角度/(°) | 线位移/mm | 线速度/(103mm·s-1) | 角位移/mrad | 角速度/(rad·s-1) |
|---|
| 0 | (-5.6,5.1) | (-0.6,0.6) | (-1.1,1.1) | (-0.5,0.4) |
| 10 | (-4.7,4.5) | (-0.6,0.6) | (-1.0,1.1) | (-0.5,0.4) |
| 30 | (-4.6,4.3) | (-0.5,0.6) | (-0.8,0.9) | (-0.4,0.4) |
| 50 | (-5.2,4.7) | (-0.6,0.6) | (-1.1,1.1) | (-0.5,0.4) |
| 70 | (-5.3,4.8) | (-0.6,0.7) | (-1.1,1.1) | (-0.5,0.4) |
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