排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)前段。一般車上(shang)用的(de)(de)排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)大致上(shang)是這樣(yang)的(de)(de):排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(由于溫度(du)較高(gao) 一般是采用鑄鐵件)裝在發動(dong)(dong)機(ji)的(de)(de)缸蓋(gai)上(shang)(排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)氣(qi)(qi)(qi)(qi)門以后),然后有一段減震用的(de)(de)金屬軟管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(里(li)面(mian)也是密(mi)封的(de)(de)),再后面(mian)就是一根比較大的(de)(de)直(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(這根比較粗大的(de)(de)直(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是中(zhong)間的(de)(de)過度(du)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),即連(lian)接(jie)排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)歧管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)第一個(ge)消(xiao)(xiao)音(yin)器(qi)(qi)之(zhi)間的(de)(de)連(lian)接(jie)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。從(cong)這里(li)開(kai)始,排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)就是普通(tong)鋼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)或鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),但是比較粗大)。后面(mian)是消(xiao)(xiao)音(yin)器(qi)(qi),消(xiao)(xiao)音(yin)器(qi)(qi)是個(ge)外(wai)閉內空的(de)(de)一個(ge)結構,里(li)面(mian)為一個(ge)進氣(qi)(qi)(qi)(qi),一個(ge)排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)。進氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)在消(xiao)(xiao)音(yin)器(qi)(qi)內部,有很多洞(dong)(看到(dao)里(li)面(mian)會(hui)覺(jue)得像篩(shai)子一樣(yang)的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子),使(shi)從(cong)發動(dong)(dong)機(ji)排(pai)(pai)(pai)(pai)(pai)進消(xiao)(xiao)音(yin)器(qi)(qi)的(de)(de)氣(qi)(qi)(qi)(qi)流(liu)速度(du)降(jiang)低。使(shi)消(xiao)(xiao)音(yin)器(qi)(qi)內部形成一個(ge)儲氣(qi)(qi)(qi)(qi)室,然后由另(ling)一只與消(xiao)(xiao)音(yin)器(qi)(qi)進氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)相同(tong)的(de)(de)排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)排(pai)(pai)(pai)(pai)(pai)進第二(er)(er)消(xiao)(xiao)音(yin)器(qi)(qi),原理同(tong)樣(yang)。經過第二(er)(er)節消(xiao)(xiao)音(yin)器(qi)(qi)以后,才會(hui)將廢(fei)氣(qi)(qi)(qi)(qi)排(pai)(pai)(pai)(pai)(pai)入大氣(qi)(qi)(qi)(qi)中(zhong),而(er)排(pai)(pai)(pai)(pai)(pai)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)中(zhong)的(de)(de)回壓,也就是靠消(xiao)(xiao)音(yin)器(qi)(qi)這種儲氣(qi)(qi)(qi)(qi)室來形成。
排氣管的作用就是把廢氣從引擎燃燒室排出,其實通常人們都認為排氣越暢順越好,其實非也。引擎的排氣由于發動機的工作原理,排氣的氣浪是一波一波地排出的,大家把手放在排氣管后就可以感覺到。如果排氣管的直徑較小,那么排出氣浪的每一波都會在排氣管內部形式較大的壓力,當這一波氣浪在排氣管中開始向外排放時,對后一波氣浪就會形成一個負壓力,也就是大家所說的回壓。
這個回壓的大小決定了引擎的最佳排氣領域,如果回壓越大,引擎在低轉速的氣浪由于受前一波氣浪的影響,就會越快被前一波氣浪的負壓力吸出,也就是說排氣效果越好,但是當引擎到達高轉速時,由于排氣管的直徑較小,造成的就是排氣管內的壓力不但不能盡快吸出下一波氣浪,反而對每一波浪的排出造成了相當的阻力,而且每一波氣浪之間互相影響,造成排氣不暢順,從而降低了引擎的性能,這個時候,選用直徑較大的排氣管就會起到較好的效果。
這(zhe)是吉(ji)利(li)在(zai)跨界車領域(yu)所做的獨創性嘗(chang)試。相(xiang)信喜歡(huan)SUV、兩廂車、MPV和Wagon的消費(fei)者(zhe),都(dou)能在(zai)這(zhe)吉(ji)利(li)全(quan)球鷹(ying)-GX6款車上找到既熟悉又耳目(mu)一新(xin)的全(quan)新(xin)體驗。此外,GX6的前臉(lian)造型延續(xu)了與GT、GS等相(xiang)同的DNA,具(ju)有讓人(ren)一望即知的吉(ji)利(li)造型元素。
Copyright © 2021.Company name All rights reserved.
日產貴士高位剎車燈
135****3011 on 2023/9/25 13:43:52廣東省深圳市羅湖區
日產
日產風雅油箱外蓋
139****7285 on 2023/8/20 13:07:59四(si)川省阿壩藏(zang)族羌(qiang)族自治(zhi)州阿壩縣(xian)川香居飯店
日產
日產風雅油箱外蓋
139****7285 on 2023/8/18 10:53:53四川省阿壩縣川香居飯店
日產
日產途樂(進口)防盜電腦模快
136****7471 on 2023/8/7 9:23:25龍濱汽車配件
日產
Hello! I am looking for some Nissan spare parts, can you supply them? 620906FR0A 638414BD0B 638404BD0B 638604CM0B 638614CM0B 260606FP1A Please tell their prices and weight. Please contact me per e-mail gbc.m221@gmail.com or on WhatsApp 381 65 44 83 862 Many thanks in advance! Best regards, Maria
+381 65 44 83 862 on 2023/6/30 21:05:14日(ri)產
軒逸1.8飛輪
150****3141 on 2023/6/7 7:19:59佛山
日產
日產碧蓮(進口)剎車制動鼓剎車鼓 后剎車鼓
156862596797 on 2023/5/6 14:54:30日產
日產途達后右尾燈
186****8068 on 2023/4/29 10:55:16湖南省岳陽市
日產
日產奇駿燃油泵
139****1145 on 2023/2/19 9:26:23日產
日產風雅(進口)機蓋隔熱棉
138****5323 on 2022/10/30 16:25:36日產(chan)