




版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、 邢唷? ? U * * ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? * * * * * * * * * * * * * * * * * * * * * * * 欹 ? $ bjbj爿爿 ? ? 6 ? z z z z ? ? ? t ? t v v v v T nz 4 D ? ? ? ? ? ? ? ?% ?% ?% ?% 卑% 卑% 卑% 卑% 卑% 卑% $ ?% h ? 瞻% ? ?
2、 ?% A? j ?% ?% ?% 瞻% z z ? ? ?# 什% ?% ?% ?% ?% z ? ? ? ? ?% ?% ?% ?% ?% ?% N T ? ?% ? ? ptf? v ?% ?% ?% ? 嗖% 0 ? ?% ?% ?% ?% ?% ?% ? ?% ?% ?% ?% ?% ?% ?% ?% ?% 瞻% 瞻% ?% ?% ?% ?% ? ?% ?% ?% ?% D D D 2 v D D D v ? 4 J? T ? z z z z z z Nwm?Yf Ux?fMO? ?h?u?:g?FUuf?eh?xvz ?TNS? 3u?fMO?+Rx? NNR?z c?YeS?;
3、?Y? 2 0 0 9 0 5 0 1 Nwm?YfUx?fMO? Xd? ?h?u?:g?FUuf?eh?xvz Xd ? 5u?h?|?/fS_?NLulQ?HQ?:g/gf? %Nh?e?c?:g?Nm0?hQ?gHe Kb?KN N? gwQ?Uo?:g5u?0vQNFO?nx?6R? ?S?L?r?6Rv?Y!k?0 ,g?1/f?:g?Hh?L?N?eQ?x vz?Y?6R?pe?L?NOSh?9SM?N9h,gNM?O? ?:g?eir?ubn?e?Bl0 ,g?HQ?S_MR?Y?:g?/g?L?N?hQb? ?R?T?Rb,g?xvz?:g?/g4lsT?yr ?b?T?v/
4、g?9h,gN?0R? 3 ?eh?0 ?h:g?W?:g5u?h?b/g?xNN 9e?z0?eirub?L?N? _?xvz?8 ?Szzl?O:gt?4V?08?Am?I?L?NOS0 OQRRu5u?h?|?O?meQxvz?e?6RV eu0?q_?e?;N? ?ck?0h?S?0?0? ?I?L?NR?N?fTt?T?0v? ?:g?b? N O X 0?0?vq_?Wte:g?e? Bl?MR?N?e?v?-NO?:g?NvS0 ?TFUuf?b?6R?pe?OSh? ?6R0h?S?6R0?ck?nx?6RO? ?:gW3z?N? N O X ?e?0RYE?0 ?:g?h?f
5、?U?9SM _?6R M A P OSh ?:gWte*N?e?6R:SfW?e?g?e?gYE?0 T?W?:g?NO?r09e?b?Ng?Y?He? I V Nwm?YfUx?fMO? Xd? hQ?Y?:W?Bl0,g?bxvz?h?u?:gwQg?Y ?b0?Nm0?ibEQI0 sQ.? ?h?u?:g?SUuf?ceh? V Nwm?YfUx?fMO? Xd? R E S E A R C H O N E M I S S I O N C A L I B R A T I O N O F E L E C T R I C - C O N T R O L L E D H I G H - P
6、 R E S S U R E C O M M O N - R A I L D I E S E L E N G I N E F O R C O M M E R C I A L V E H I C L E S C O N D I T I O N A B S T R A C T I t s c o n s i d e r e d t h a t t h e e l e c t r i c - c o n t r o l l e d h i g h - p r e s s u r e c o m m o n - r a i l s y s t e m i s t h e m o s t a d v a
7、 n c e d t e c h n o l o g y o f d i e s e l e n g i n e i n m o d e r n w o r l d s a n e f f e c t i v e m e a n s o f m e e t i n g t h e i n c r e a s i n g l y s t r i n g e n t e m i s s i o n s t a n d a r d s a n d i m p r o v i n g t h e f u e l e c o n o m y o w er and safety of diesel eng
8、ines, and anelectric-control system of diesel engine with the greatest developingpotential. Not only can it control precisely the fuel injection timing andquantity, but also can independently control the fuel injection pressure andmulti-injection. This article has taken an intensive study on the com
9、bustionsystem of diesel engine based on such system, at the same time a largenumber of control parameters are optimizing calibration and matching, thenthe engine emissions can be reduced basically to meet the national emissionstandard.The article firstly makes a rounded analysis on the current diese
10、l enginetechnical routes of energy-saving and emission reduction both at home andabroad, a comprehensive study taking into consideration both the costs andthe technical level of diesel engine system, combined with its owncharacteristics to choose the right technology roadmap to achievefundamentally
11、the national b! e m i s s i o n s t a n d a r d . T o t h e t a r g e t m o d e l o f d i e s e l e n g i n e , b a s e d o n m a s t e r i n g t h e t e c h n o l o g y o f e l e c t r i c - c o n t r o l l e d h i g h - p r e s s u r e c o m m o n - r a i l o m b u s t i o n s y s t e m h a d b e
12、e n d e v e l o p e d f r o m t h e s t a n d p o i n t o f i m p r o v i n g t h e c o m b u s t i o n p r o c e s s a n d r e d u c i n g t h e e m i s s i o n s g e n e r a t e d , t h e w o r k i n g m e c h a n i s m o f i n - c y l i n d e r p u r i f i c a t i o n h a d b e e n s t u d i e d
13、, a n d t h e n o z z l e - p r o t r u d i n g h e i g h t a s w e l l a s t h e V I Nwm?YfUx?fMO? Xd? s w i r l r a t i o o f c y l i n d e r h e a d h a d b e e n o p t i m i z e d . A u t h o r m a d e a n i n t e n s i v e s t u d y o f strategies for emissions controlling bytaking full use of
14、the advantage of the electric-controlled high-pressurecommon-rail system. She analyzed the main factors such as injection timing,common rail pressure, pre-jet amount of fuel, and pre-jet interval angle, anddesigned a scientific and reasonable combination of test method, as well asfound the influence
15、s of them on NOX, smoke, fuel consumption throughexperiments c h i e v e d t h e c o m p r o m i s e o f e m i s s i o n s a n d f u e l c o n s u m p t i o n a n d e n s u r e d t h a t p e r f o r m a n c e o f t h e d i e s e l e n g i n e . I n t h i s t h e s i s , o p t i m i z e d c a l i b r
16、 a t i o n o f c o n t r o l s y s t e m a r e f i n i s h e d u n d e r c o m m e r c i a l v e h i c l e o p e r a t i n g c o n d i t i o n s , a n d h a s a c h i e v e d p r e c i s e c o n t r olof pre-injection ,common rail pressure, injection timing and fuel quantity,then dramatically reduce
17、s the smoke and the NOX emissions under steady-state and transient conditions of diesel engine.Bed test showed that the diesel engine with commensurate developmentof injection system and optimized calibration of control MAP had beenimproved remarkably in the whole emission control region and increas
18、edsignificantly in emission performance. At the same time it had a good effecton improving the low-speed characteristics of engine and the drive ability,fulfilled the market requirements. The electric-controlled high-pressurecommon-rail diesel engine studied in this article possesses a good successi
19、onof products, economy, extend-ability and so on.Key words: electric-controlled high-pressure common-rail diesel engine i n - c y l i n d e r p u r i f i c a t i o n o m m e r c i a l v e h i c l e o p e r a t i n g c o n d i t i o n s e m i s s i o n c a l i b r a t i o n V I I Nwm?Yf fMO?R?f ,g?fb
20、HT?fMO?f,g?W?c?Nr ?L?xvz?Ob?b?0d?e-N?f_u?Yg? ?NS+T?UOvQ?*N?b?SO?h?b?O?b?0?,g? ?xvzZP?!?s?*N?SOW?W?-N?fnx?_hf0,g ?hQa?0R,g?f?1u,g?b?0 fMO?OT ?g t g ? I I Nwm?Yf fMO?HrCgOu?CgfN ,gfMO?OhQ?f!hgsQ?Yu0OufMO? Taf!h?YuvT?gsQ?b:g?N?YpS?5uPHr AQ?TP?0,g?CgNwm?Yf?,gfMO? hQ?b?R?eQgsQpenc?L?hS?uq_pS0pSbkb ?IY6RK
21、b?X?Gl,gfMO?0 ?W ,gfMO? N?0 W?N?Fh?Sb fMO?OT t?T?u,g?CgfN0 c?YeT ?g t g ? ?g t g ? I I I Nwm?YfUx?fMO? , N? ? , N? ? 1 . 1 _ ? ?w?f/g?SUN|yO?N?ekN?u;m4ls?g? ?Y?0NdkT?N|W?:Y_0W _?Ou?bNLu?%N?.S ONu?%N?vS0?qS:gN?al?O?|yOuX?U? ?S0 W?Nlf?mv?Sg?Y?0nc?E?lf?zOSO I S I T A 6 tlQ?D?eQ?/fS_?NLu g;N?_NLu? ? 8 0
22、 % ?NLu?v 4 2 % 1ulQ?b?0WNLu?NQ?S? ? 4 2 % S?|?;?v 1 6 % 0?wlf?N?SUlf?v?g?%gR ?lf?mv?bS?eg?YVdkOgP?v?D?n?f _ ?qS:g?%N?0W ?b?al? -N?c?lSg?Y? ?N?SOeP? ?b?qS? gYr+R/fWY?b:N;N? ?al?0ncgsQD?e?S?:g?f?ce?Wal?ir;?e?-N? C O ? 5 8 . 4 % C ? 8 6 . 8 O X ? 4 6 % Nwmzzl-Neg?lf?ce?lWal?ir;? e?-N? C O ? 7 5 % C ?
23、5 0 % , N O X ? 4 6 % , ?al?ir? 9 0 % lf?v?s? W?R?T?N?b?uX? ?b?%N?qS? 1 0 2 0 N? 7 0 t?Rg?qS:gTN? ?w?f?Tg?:g/g ?dk?0R?SU0Nl?:g?g?:g?O?8?R:NpHe?0? ?NO0NO?Ymb?OuT?b?vQWf?W-N?u?V?0?MR W?TY?f?v?-Ng?:gWpe?NSg?O?qW? ?f?T?v?-Nl?:gWpe?N?wQg N?O?O?vQ? ?:gS?00R 7 0 t?+ge,g 3 . 5 T?N?QNNhQ?u?:g k? 3 . 5 T? 6 T
24、?lf?Nu?:g?S 9 0 % QNLuY? 2 0 0 N? 6 T?N ? ?:gq?R?S 6 5 % ?N0?tk?:g? ?l?t 2 3 % ? ?XQ-N_?0R 3 0 % N?S_ N?Ru?0 :N?9e?|?uX?qS:gQ?al?NLuT? ?6R?%Nh?e?c6R?P?R?l?eN?wlf?al? ?c6R?P?Rf?l?ir?e?_N?%Nh0?MRS?u? ?:gGW?0R E U R O - b!? U S 9 8 ?e? 2 0-N?_NW 2 0 0 7 . 7 . 1 WhQ?:_6R?L?V 3 1 Nwm?YfUx?fMO? , N? ? ?eh
25、? 0 1 0 . 7 . 1 ?L?V 4 ?eh?9e?zzl?w?R?Y?O u0 1 . 2 ?e? ?:gal?ir?e?0RlQO?SOeP?I?R?ON ?:g,g?0?Nm?6R ?U?u?b,gI?g?h?R?g N? ?0?dkQ?:g?e?6R?O?/fWT?e?E?6R? N?R? e?c?6RN _U?0 :N?6Rlf?vg?eir?Yl?al?N 6 0 t? _?NLuT?0W:S ?b_?f?u?:g?eir?:_6RP?R0?e?%Nh?O? x?XTN?lf?ce?6R/g?Olf?ce0?MR?E?Nlf?ce?;N? R:NNYSO?S?e?0k2m?
26、e?,g?e? 1 :Nk? f?u?:g?eP?P 3 0b? 2 0 0 0 t _?IHe?k 1 ? 1 ?eh? ?f? 2 0 0 4 tMRT?0R?S_?k 2 ?e?6R4ls?,a!6?k?eh ?0cgq0f?u?_0lSO?_?:gNlf?clal?eP?P?Km? -N ? I I I 0I V 0V 6?k 0I?y?V?al?ir?eh?b?W 2 0 0 7 t? 2 0 1 0 tR +R?,N0?6?k:g?f?ceh?0h? 2 :N-N?u?f?ceP?Ph?0 h? 1 k?f?u?:g?eP?P T a b 1 E m i s s i o n s r
27、 e g u l a t i o n s f o r h e a v y - d u t y d i e s e l t r u c k s i n E u r o p e h? 2 -N?f?ceP?P S C Km? T a b 2 E m i s s i o n s r e g u l a t i o n s f o r h e a v y - d u t y t r u c k i n C h i n a ?w*geg? 3 ?e?gbL?eg?nx?NT?e?xvz?T?U0 2 Nwm?YfUx?fMO? , N? ? ?g?lTYt?8?/g?:g ? E S C ? E L R
28、 ?eKm?0 E S C ?:N? 1 3 ?3zKm?0E L R ?:N?R?R?Km?f N*N?z?:g?l0?zOS?t?Bl0 1 . 3 ?:g?/g b?%Nh?e?0NO C O 2 ?e?Bl_?S N?R?/g? 9e?f?u?:g?0?:g1u?vQ?yr?O?b:N*gegf?R?;N Am0FO/fg?:g?wQg:?V?Q?l?YI?w?eg?%Nh? e?Nm?Blg?:g?xvzTu?N?b?Nw%N? ?cb0?:g?_?/g0?-N?l? G R b/g?5u? ?/g?O?:g/g?U?0Rh?b:N?:g?U?z?N *N?z?0 ?l?0?o?Y9
29、SM?e?zc?He ?0?u?lTYt/g?/f?*geg?e?gHe? 7 2 0?Y? :g?U?_?f?u?_?:gwQg?N?U? 1 x6R _?U?/f9e?v?_?:g?sQ.?s ?0:N?%Nh?e?N?Bl$? a$?GW SR?zzl-N$?nx?6R?$up;m?6R?O S?ORg?c?-Ng?c6RTg?$9e?4V? ?4V?KN?g?Tpe?0?T?0?%?vOS 9SM?0 2 OS?Y?UAm?QRRu?lAm? ?Tl?b_be?z?N? gsO9SM?0 3 ?u?Am?NO?Am?l?u?l?/g?l? OSlAm?O?l;?Rc?EQ?pe 1 3
30、 0 4 ?u?n?X?0YT?gHe?-N? 1 4 5 0?u ?4V?hV?:_?hV?u?n?cYT?gHe 0W9e?:g?l?wyrR?hV?e?gHe?-N? ?M?O?ln?N?O N O X ?eQ?:g?0 5 ?u5uP?6R/g?0?l?0?n?X?0?l?I ?L? gsO?6R 1 6 7 0 6 9e?Y?U?u?T? nm ?NM?O?:g? ?al?0 3 Nwm?YfUx?fMO? , N? ? 7 ?lTYt/g?e?:g,g?OS?L?SpeegM?Oal?ir ?eg N?P?0?dkNLuT?HQT _?lTYt/gWNq_?b q_?:gvQ?T?
31、O g?TYl?e 1 8 2 0?W gb?TY t?n/fl?:gu?NHe?Sl?ShV0?WSf?NOf?ul?:g? C O 0H C ? N O X ?e? 8 0 % - 9 0 % 0?WM?O?:g P M ?e?Uc?hVb?nhVck W _?uKN-Nx6R?7h?M?Of?u?:g P M ?e? 5 0 % - 8 0 % O1u? /gN?NmNg?vMR*gY?0 1 . 4 5u?h?g?:g/g 1 . 4 . 1 5u?h?b/g? ?h?|?NLu?:gL?NlQ?:N 2 0 N?NY?4xKN Nf 2 1 N? :g?;NAm0h?b/g/fc?0
32、? OahV? E C U ?b?-N ?u?z|_dk?hQR _? N?_01u? ?RlQ?lQ?nx?6RO?Y N?:g?l?esQ0?/fM?O?0? ggHe?_?f_ ?0R 1 0 0 2 0 M P a ?N?_w?_?e?NM?_NO0:N?0R ?g?Y?e?Bl 2 0 0 0 M P a ?/f? ?v0FO?_?:g?u? ?TY?R?W?g1?eQl80?dk?T?Yq ?c?g?n?N?GS?Y? N O X ?e0?jV?0? ?:g/c?Y 2 3 6 0?h?b/g?Y!k?YE?9e? z?s?Y? N O X ?e0?jV?0 1 . 4 . 2 xQ?h?q? ?h?u?Tnf?u?gfW?O?0?Wb gl?V?0?6R_bt? ?Y&?0T?Y!k?I?Tl?THe?e?z0 _N1/f?Qh?u?W?6
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2025年变电运行安全试题及答案
- 国企电工安全知识试题库及答案解析
- 香港法律从业资格考试及答案解析
- 2025年国家开放大学《旅游心理学》期末考试备考试题及答案解析
- 2025年(完整)公共基础知识考试题库(含参考答案)
- 2023年银行柜员岗位技能考试题库
- 2025年国家开放大学(电大)《沟通与谈判技巧》期末考试备考试题及答案解析
- 聚氨酯材料抗磨损技术方案及应用案例
- 5G主题英语作文写作指导
- 2025年国家开放大学《市场调查方法与技术》期末考试备考试题及答案解析
- 2023年高考地理(上海卷)-含答案
- 比重式精选机的使用与维护
- GB/T 39554.1-2020全国一体化政务服务平台政务服务事项基本目录及实施清单第1部分:编码要求
- GB/T 2942-2009硫化橡胶与纤维帘线静态粘合强度的测定H抽出法
- 电梯设计系统
- 细胞培养技术培训课件
- 劳动保障协理员考试复习资料
- DB3301T 0286-2019 城市绿地养护管理质量标准
- 道路护栏设计和路侧安全净区宽度的计算
- 轴类零件工艺工序卡片
- 道德与法治-六年级(上册)-《知法守法 依法维权》教学课件
评论
0/150
提交评论