1、第35卷null 第3期null 2001年3月 null null null nullnull null null 西null 安null 交null 通null 大null 学null 学null 报JOURNAL OF XInullAN JIAOTONG UNIVERSITYnull null null null Vol. 35null null 3null null Mar. 2001cI|:0253- 987X(2001)03null0261null04= sN 7?胡军军, 阎小俊, 周龙保, 曾null 科, 潘克煜(Yv ? , 710049,)K1: 为了测录内燃机缸内的压力
2、及温度,开发了一种内燃机燃烧分析仪.该分析仪由国产高速数据采集卡及自行开发的控制软件组成.它不仅能精确设置每度曲轴转角内采样点的个数和采集循环数,而且在采集过程中能实时计算和表征内燃机工作过程的压力升高率a平均指示压力a循环变动率a放热率等参数.经实际使用以及与国外产品相比表明,此分析仪具有全中文界面a价格低a操作简单a使用维护方便a功能便于扩充等优点.1oM: 内燃机;测试;燃烧分析仪ms |: TK412nullDS M : ADevelopment and Application of Combustion Analyzer forInternal Combustion EngineH
3、u Junjun , Yan Xiaojun , Zhou Longbao, Zeng K e, Pan K eyu(School of Energy and Power Engineering, Xinullan Jiaotong University, Xinullan 710049, China)Abstract: In the research of internal combustion engine, recording innullcylinder pressure and temperanullture is an essential technique to study th
4、ethermal cycleof internalcombustion engine.The combustionanalyzer developed in this study will giveboth the measurements at sampling points per crank angle orsampling cycle, calculateand show therealtimeparameters which decidethe working process of internullnal combustion engine,such as pressure acc
5、elerating rate, indicateed mean effective pressure, cyclenulltonullcycle variation, heat release rate, etc.Compared with the imported congeneric products, the analyzerhas many advantages such as Chinese interface, low price, easy operateing, convenience in mainnulltainance and easy upgrading.Keyword
6、s: internal com bustion engine; measurement; combustion analyz ernull null “ m0, ? ?1 p ,? b, S j. B = b,AV =TV“ m,s 3y,V7r b.yN, c = = a = TVAV r m 1,2 . S*X =V sN, NL, P TZL, 4. f ,S “d,iN$ , 7? a =V sN.“d YPC Z “ 5,7? q, V = cT, Tea ?L aNl : 2000null07null04. nullTe: + +( 1972 ), 3,p V 3; C ( “ )
7、 , 3, q,p V 3 =.1 null“dF sN1 s: “d( kN) q( +s“d) .1. 1 null kNq0“d + L H| 3 kN( CS22125) , m1 U. CS221251 “Y =9 M F,“Y“ sYi 1,9 =YVdB“d9L) t .Vm1 Vn, Y1A/ D,yYm1 null “ Uim Z7 PK“ q/i% /,“Y i, V I nYW H, “. CS22125K“ q1null25MHz,YKvi% 1 Mb,A/DsO q12b, ? = “1 p. = , 10 000 r/mina w“5 H,“ q303null03
8、kHz,“d“ q; w“3a“400 H,“843 kb; w“4 H, ?“355; w“5 H, ?“280.1. 2 null +s“d“d q V “ L H) , V “PC ( Eq) , ) . = e, ) 4aZL, ?L ,1| 7? ) e+ q V.1. 2. 1 上止点修正nullb q9 V, ,9 TvY.v LTV , null 1null( w) H, ( U null ( 7% 8% ) .Y,. H, ? S, = L=V, wa a g lh# g dWW#, ,q nM, ,q, P = T H Y,yN S ,1 .“d, . V, .“d“ -,
9、1 p“ Um,“d L 9 ,V /:(1) ! S0;(2) S is Um;(3) p |, V P UmKv 0? 3lM)+ ;(4)| q,“d | i) , Um ./ U , = 8 Zy, . ? , P r - 59nullP.1. 2. 2 采集参数设置null = 1 p w“ , !“d“ qf = k null m null NT: k“ , T r/ min,5k = 6;m w1 p“ ; N . = a w1 p“1 p“ , !“d“l = 360null null2 null m null nT: = H, null= 4, = = H, null= 2;
10、 m w1 p“ ; n1 p“ .1. 2. 3 数据的拆分与光顺null = TV M, PT7,B Um9 V,yN L= kT,Y1 c Um,i| Ums Um, (;) .“d sV m2 U. n5 |,iV r,) P, . ) ,“ s, Um.K,“262nullnullnullYnullvnullnullnullnull null null null null null null null null null null null null null null null null null35 Um (.| ka“a. a: casbV, “d 4E .t/ Um wL t
11、o,+Y nLs, PB b ? p wLo. h“ty oC,“Hf Um; ) , V iT.Vs; ,; Um S Um, V p | = + .1. 2. 4 内燃机运转特征参数的求取null“d V p |V = TV+ , b qa 6 qaIMEPaM q, 8 EhnD 3 5 . ) V “V L H9 , “ z,7O V “, ) .m2 null“ds Uim2 null Unull B , Um c.2. 1 null . k H,|; w|? 3 ?1 .P1 | c . | B; 71(MOC7012) ,Y,?;=5?;L.? H,; ;?;=5i;),;LLi
12、V;,v ; 5 , P 5Y,| .; ;V?;=5i;),;L$,N H; 5) ,| , m3 U.m4“ |.2. 2 null “V, = L= ! ,m3null | m4 null | Uim! w“ 3,“50.“ ) ,M # wWW0. 332 4null,r 48( 1K1) ,“ H !“B.2. 3 null ) “d,9 = + , “d4 U, |M0.9 , V“d A9 TM wL.m5 U“ ( null w) ,m6 U“d9 6 q#b q wL.m5null“ 2633 null null null null null null null null n
13、ull null null null null null null null null null null + +,: = sN 7?(a) 6 q(b) Hb qm6null9 T3 nullnull (1) . ZL, V 8 TM,“d ,E .(2) V “1 p ! w =“ “ , P“Vea4,e “ T.(3) ? L H“ ) ,9 V = TV+ ,i 9 T“ | .(4) ) ? ZL,1| ) e+“d, V LC ? .(5)S “, ZL,N . ID:1 null C . = M .:, 1999.2 null . = M .:,1988.3 null .? M
14、 .:Yv,1992.4 nullm . = TV 9 M.:S,1986.5 null O.9 ZE M.:Yv,1992.(I null 王焕雪)( 247:)(3) M + Sttp c q9F7hl. ID: 1 null + ,q,; . 8 M.:QF,1989.5 9. 2 null SE, 7,. A M ? H 6 J. , 1999, 16(3): 20 25. 3 null, +, 7,. A M ? 6 q + J .Yv, 1999,33(8): 28 31. 4 null +,f, 7.p V _ s kJ .Yv, 2001, 35( 1): 15. 5 null
15、 +, d , 7. A M p 5 6 k J.Yv, 2000, 34(11) :9 12. 6 null Gunter S. On the force fluctuations acting on a circularcylinder in crossflow from subcritical up to transcriticalReynolds numbers J. J Fluid Mech, 1983, 133( 8):265 285. 7 null RichterA, Naudascher E. Fluctuating forces on rigid cirnullcular c
16、ylinder in confined flowJ. J Fluid Mech, 1976,78( 3) : 561 576.8 null Weaver D S, Fitzpatrick J A. A review of crossnullflow innullduced vibrations in heat exchanger tube arrays J . Journullnal of Fluids and Structures, 1988, 2(1) : 73 93.9 null R D. 8 M .:,1983.10 7. A M m-. M .:Yv,1987.65 66.11 We
17、aver D S, Fitzpatrick J A, Elkashl H. Strouhal numnullbers for heat exchanger tube arrays in cross flow J.Flow Induced Vibration, 1986, 104: 193 200.12 Owen P R. Buffeting excitation of boiler tube vibration J . J Mechanical Engineering Science, 1965, 7( 4):431 439.(I null 王焕雪)264nullnullnullYnullvnullnullnullnull null null null null null null null null null null null null null null null null null35
