进气道AIP面测压装置加装方案研究

张晓飞; 姜健; 田晓平; 符小刚

doi:10.11729/syltlx20150147

进气道AIP面测压装置加装方案研究

doi: 10.11729/syltlx20150147

中国飞行试验研究院发动机研究所, 西安 710089

详细信息

通讯作者:
张晓飞(1983-), 男, 陕西宝鸡人, 工程师。研究方向:航空发动机飞行试验。通信地址:陕西省西安市73号信箱15分箱(710089)。E-mail:zxf831017@163.com

中图分类号: V217⁺.2
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出版历程
- 收稿日期: 2015-12-17
- 修回日期: 2016-05-07
- 刊出日期: 2016-10-25

Research on pressure measuring device installation at AIP of inlet

Engine Department, Chinese Flight Test Establishment, Xi'an 710089, China

摘要

摘要: 针对进气道/发动机相容性试飞中AIP上测量装置加装而引起过渡段变形问题，建立了过渡段径向形状变化评价指标并应用于工程计算，对比分析了过渡段上开孔、加装静压座、总压测量耙加装对过渡段径向尺寸的影响。结果表明：过渡段AIP面上加装测压装置使得过渡段径向尺寸偏离设计值及标准圆；焊接静压座会使过渡段径向尺寸发生较为明显变形，而铆接静压座则影响相对较小；总压测量耙采用两端约束的方案不会对过渡段径向尺寸造成较为严重的影响，但会有效地抑制测量耙的振动幅值。该结果已经应用于工程中，优化了测压装置加装方案。
- 进/发相容性 /
- 总压测量耙 /
- 静压座 /
- 测压装置 /
- 变形 /
- 飞行试验
Abstract: To discuss the transition part deformation of installing test equipment at AIP during inlet/engine compatibility flight tests, an evaluation index of transition part radial deformation is developed and applied in engineering calculation. Moreover, influences of perforating, installing static pressure base and total pressure test rake on the radial size of the transition part are compared and analyzed. Accordingly, it is indicated that installing pressure test device at AIP may force the radial size to deviate from the designed value and standard circle; welding static pressure test base may introduce obvious deformation while riveting may introduce less deformation relatively; restricting on both sides of the total pressure test rake may not seriously influence the radial size whereas effectively restrain its vibration amplitude. The optimized installation scheme of the pressure measuring device has been adopted in engineering.
- inlet/engine compatibility /
- total pressure test rake /
- static pressure probe base /
- pressure measuring device /
- deformation /
- flight test

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图 1 “插入式”对接示意图

Figure 1. Schematic of plug type docking

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图 2 AIP测点布局

Figure 2. Measuring points distribution at AIP

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图 3 过渡段状态变化

Figure 3. Evolution of transition part state

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图 4 装机状态过渡段A

Figure 4. Installation of transition part A

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图 5 过渡段A对接端径向变化

Figure 5. Diameter change of transition part A(butt end)

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图 6 过渡段A装机后间隙检查

Figure 6. Inspection of the clearance after installing transition part A

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图 7 开孔前后过渡段径向尺寸比较

Figure 7. Comparison of transition part diameters after perforating

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图 8 焊接静压座

Figure 8. Welding static pressure probe base

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图 9 铆接静压座

Figure 9. Riveting static pressure probe base

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图 10 加装静压座后过渡段径向尺寸变化

Figure 10. Transition part diameter after installing static pressure probe base

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图 11 加装测量耙后过渡段径向尺寸

Figure 11. Transition part diameter after installing total pressure test rake

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表 1 过渡段最终状态差异

Table 1. Final state difference among transition parts

过渡段	过渡段状态	测量耙状态	静压座加装	测量耙加装
过渡段A	上机件	上机件	焊接	螺母+ 螺栓+ 支撑环
过渡段B	上机件	上机件	铆接
过渡段C	试验件	试验件	铆接

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表 2 过渡段开孔前后变形指标计算结果

Table 2. Deformation index calculation results of transition part after being perforated

状态	A_m/%	δ_t/%	B_m/%	ε_t/%
原始状态(B)	0.022	0.022	0	0
开孔状态(B)	0.057	0.035	0.032	0.018
开孔状态(C)	0.109	0.059	0.087	0.041

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表 3 加装静压座后变形指标计算结果

Table 3. Deformation index calculation results of transition part after installing static pressure probe base

状态	A_m/%	δ_t/%	B_m/%	ε_t/%
焊接状态(A)	0.387	0.201	0.401	0.201
铆接状态(B)	0.100	0.060	0.044	0.023
铆接状态(C)	0.244	0.126	0.203	0.118

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表 4 过渡段变形评价指标变化(加装静压座)

Table 4. Deformation index changes after installing static pressure probe base

项目	ΔA_m/%	Δδ_t/%	ΔB_m/%	Δε_t/%
过渡段A	+0.365	+0.179	+0.401	+0.201
过渡段B	+0.043	+0.025	+0.012	+0.005
过渡段C	+0.135	+0.067	+0.116	+0.077

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表 5 总压测量耙加装后指标计算结果

Table 5. Deformation index calculation results of transition part after installing total pressure test rake

状态	A_m/%	δ_t/%	B_m/%	ε_t/%
装机状态(A)	0.554	0.332	0.561	0.332
装机状态(B)	0.089	0.050	0.046	0.024
装机状态(C)	0.227	0.135	0.228	0.129
中间状态(C) (无静压座)	0.172	0.086	0.135	0.069

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表 6 过渡段变形评价指标变化(加装测量耙)

Table 6. deformation index changes after installing total pressure test rake

项目	ΔA_m/%	Δδ_t/%	ΔB_m/%	Δε_t/%
过渡段A	+0.167	+0.131	+0.160	+0.131
过渡段B	-0.011	-0.010	+0.002	+0.001
过渡段C	-0.017	+0.009	+0.025	+0.011
过渡段C (无静压座)	+0.063	+0.027	+0.048	+0.028

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表 7 过渡段变形评价指标变化(加装支撑环)

Table 7. Deformation index changes after installing support ring

项目	A_m/%	δ_t/%	B_m/%	ε_t/%
过渡段B	-0.103	-0.037	-0.101	-0.050
过渡段C (无静压座)	+0.005	+0.003	-0.028	-0.010

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表 8 测量耙扫频试验结果

Table 8. Sweep frequency results of the test rake sweep frequency

状态	固有频率/Hz	幅值/g
无支撑环	125	112.6
有支撑环	265	18.3

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