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RD-253火箭发动机

RD-253(РД-253)
原产国 苏联/ 俄罗斯
首次试车RD-253:1965
RD-275:1995
RD-275М:2007
设计者动力机械科研生产联合体, 瓦朗坦·格卢什科
制造者质子-PM
用途下面级发动机
相关产品质子运载火箭
下一代产品RD-254, RD-256, RD-275, RD-275М
现状使用中
液态火箭发动机
推进剂N2O4 / UDMH
混合比2.67
系统分级燃烧循环
构造
燃烧室1
喷管面积比26.2
性能
推力(真空)RD-253:1,630 kN(370,000 lbf
RD-275:1,750 kN(390,000 lbf
RD-275М:1,832 kN(412,000 lbf
推力(海平面)RD-253:1,470 kN(330,000 lbf
RD-275:1,590 kN(360,000 lbf
RD-275М:1,671 kN(376,000 lbf
燃烧室压力RD-253:14.7 MPa(2,130 psi)
RD-275:15.7 MPa(2,280 psi)
RD-275M:16.5 MPa(2,390 psi)
比冲(真空)RD-253:316 s(3.10 km/s)
RD-275:316 s(3.10 km/s)
RD-275M:315.8 s(3.097 km/s)
比冲(海平面)RD-253:285 s(2.79 km/s)
RD-275:287 s(2.81 km/s)
RD-275M:288 s(2.82 km/s)
尺寸
长度3米(9.8英尺)
直径1.5米(4英尺11英寸)
净重RD-253:1,080千克(2,380磅)
RD-275:1,070千克(2,360磅)
RD-275M:1,070千克(2,360磅)
用于
质子运载火箭第一级.
参考文献
参考文献[1][2][3][4][5][6][7]

RD-253火箭发动机(俄语:Раке́тный дви́гатель 253)与它的后续型号,RD-275火箭发动机RD-275M火箭发动机,是由苏联动力机械科研生产联合体研制的一种富氧分级燃烧循环,使用偏二甲肼四氧化二氮液体燃料火箭发动机。这种燃料组合有剧毒,但是可以在室温下储存,并且是自燃推进剂。此发动机被用在质子运载火箭上。

参考资料

  1. ^ RD-253. NPO Energomash. [2015-07-07]. (原始内容存档于2015-04-05). 
  2. ^ RD-253-11D48. Encyclopedia Astronautica. [2015-07-07]. (原始内容存档于2016-03-04). 
  3. ^ RD-253. Encyclopedia Astronautica. [2015-07-07]. (原始内容存档于2015-08-24). 
  4. ^ Liquid rocket engine RD-276. Proton-PM. [6 July 2015]. (原始内容存档于2022-01-15). 
  5. ^ Proton-K. Encyclopedia Astronautica. [2015-07-07]. (原始内容存档于2016-10-21). 
  6. ^ Zak, Anatoly. Proton History. RussianSpaceWeb. [2015-07-07]. (原始内容存档于2015-07-07). 
  7. ^ Zak, Anatoly. 2015-07-07. RussianSpaceWeb. [2015-07-07]. (原始内容存档于2015-06-15). 
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RD-253火箭发动机
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