NAVY MIL-P-17689-1953 PROPELLANT DOUBLE-BASE SHEET TYPE N-5《N-5型双基极片状推进剂》.pdf
《NAVY MIL-P-17689-1953 PROPELLANT DOUBLE-BASE SHEET TYPE N-5《N-5型双基极片状推进剂》.pdf》由会员分享,可在线阅读,更多相关《NAVY MIL-P-17689-1953 PROPELLANT DOUBLE-BASE SHEET TYPE N-5《N-5型双基极片状推进剂》.pdf(13页珍藏版)》请在麦多课文档分享上搜索。
1、!IL-P-L7687 13 W 779790b 0277290 T WARNING.- This document contains C-MIL-P-17689 (Nord) Superseding 30 July 1953 information affecting the national NAVORD OS 5043 , defenee of the United States within the meaning of the eapionage laws, Title 18 U. S, c, Section 793 an 794. The transmission or the r
2、evelation of its contents in any manner to an un- 23 October 1952 23 Mrch 1953 authorized person ia prohibited by law, glP.*?t Explosives and other Dangerous Articles, Code 49 CFR 71.1. (Copies of the Code of Federal Regulations may be obtained upon application, accompanied by money order, coupon, o
3、r cash, to the Superintendent of Documents, Government Printing Office, Washington 25, D. C. obtained from the Superintendent of Documents. ) Prices may be 3. REQUIRaaENTs 3.1 #aterials.-The raw niaterials used in the manufacture of rocket propellant under thia specification ahall conform to the req
4、uirements given in the apecificationa listed in 2.1. shall be of the grade and type indicated: In addition the following material A. Nitrocellulose : Military Specification, JAN-N-244, Grade A, Type 1, Processed from cotton linters cellulose unless otherwise specified, 3.2 Composition.-The product s
5、hall coutain, in approximately the specified proportions, all of the ingredient8 listed below: Nitrocellulose (l2.w Nitrogen) . 5O.M (by weight) -Nitroglycerin . 34.9 Diethyl Phthalate 10.5 2-Nitrodiphenylamine 2.0 Compounds-202 . 1.2 Compound H-101 . 1.2 CanelillaWax . 0.2 Total lOO.O$ - 3.3 Test R
6、equiremnts.-The following conditions ahall be satiafied. A. A point shall be plotted in Fig. 1 corresponding to the man heat of explosion, Ho, and the computed standard deviation, both of which shall have been obtained according to the procedures outlined in NAVORD OD 9375. sH B. This point shall li
7、e within the region bounded by the acceptance curve and the horizontal axis. Ce The samples for the heat of explosion test shall be taken in accorance with 4.2.1.1. 3 Licensed by Information Handling ServicesMIL-P-L7b7 13 7779706 0277Z73 5 m 3.3.2 Strand Burniw Rate.- A. The sum of the squares of th
8、ose deviations of the average burning rates which occur in the undesired direction from the specified minimum desired burnn rates at 109 and maximum deaired burning rates at i30b (see 3.3.2 C -3) shall not be greater than 0.000700 (in/aec.)2. rates shall have been obtained according to the procedure
9、 given in NAVORD OD 9376. The average burning B. The average of the ranges of burning rate levels for each of the eight sets of five shots ahall not exceed 0.050 in/sec. (see 3.3.2 C 4). Ce Computation 1. Procedures for computing the merage burning rate of individual strands and for determining the
10、necessity of partial retesting of lots of propellant powder are outlined in 3.2 G of WVORD OD 9376. a. Provided that strands are divided into three equal increments of length, by the insertion of four fuae wires, the critical value of chro (the difference between the burning rates of the fastest and
11、 the slowest burning increments of any strand) as referred to in NAVORD OD 9376 is 0.024 in/secj for N-5 propellant, Tne critical value of wherever the mean burning rate at 1309 and at any of the four test preseures is greater than the above respective maximum desired value, the difference shall be
12、squared; the sum of the squares of the ifferences which occur in the undesired direction shall be obtained. 4. The range of individual values for strand burning rate at each of the eight conitions of firing shall be Lot 1917 Test Sample C shall be used for the moisture determination. 4.2 .l -4 Test
13、Sample D . - General Chemical Analysis. -From the material remaining after the preparation of Test Sauple B and Test Sample C, a section weighing about 4.0 grams shall be selected from each of the 50 samples. methods described in NAVORD OD 9377 and blended thoroughly to give a uniform sample weighin
14、g at least i50 grams. used for the general chemical analysis and the Taliant test. These sections shall be reduced in size by one of the Test Sample D.shall be 4.3 Laboratory Tests.-Standard Laboratory test shall be made on each submitted lot of propellant at a laboratory designated by the Bureau of
15、 Ordnance. The methods and procedures shall be those indicated in the NAVOHD ODs cited in previous sections. may be used at the discretion of the inspector or contractor provided that such methods shall have the approval of the Bureau of Ordnance. Moisture and nitrocellulose contents shall be determ
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- NAVYMILP176891953PROPELLANTDOUBLEBASESHEETTYPEN5N5 基极 片状 推进 PDF

链接地址:http://www.mydoc123.com/p-980571.html