民航 发表于 2010-4-5 01:23:23

B737-Flight Deck Noise Reduction

<P>B737-Flight_Deck_Noise_Reduction</P>
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民航 发表于 2010-4-5 01:23:36

737.1<BR>Flight Deck Noise<BR>Reduction<BR>Capt. Ray Craig<BR>Airplane Validation &amp; Flight Operations<BR>Boeing Commercial Airplanes<BR>May 2004<BR>The Boeing Company 737.2<BR>737 NG Flight Deck Investigation<BR>Vision: Enable a safe, healthy and comfortable cabin<BR>environment preferred by airline passengers and crew<BR>Goal: Identify appropriate technology for incorporation on<BR>an airplane that will improve the cabin environment to:<BR>– Promote passengers and crew satisfaction<BR>– Advance technology and design practices<BR>– Create value for our customers<BR>737 NG Program is committed to making changes<BR>that utilize technology reasonably and<BR>economically<BR>The Boeing Company 737.3<BR>737 NG Test History<BR>February 2001 flight test<BR>– Noise source investigation at various speeds and altitudes<BR>June 2001 flight/ground test<BR>– Evaluation of potential cockpit window noise treatments<BR>– ECS noise source investigation including forward cabin muffler<BR>January 2002 lab test<BR>– ECS Flight Deck diffuser testing with plenum<BR>May 2003 flight test<BR>– Window noise source investigation (gaps around #2 window frame)<BR>August 2003 flight test<BR>– Evaluate potential use of Vortex Generators (VGs)<BR>November, December 2003 lab tests<BR>– Flight Deck Muffler and diffuser plenum tests<BR>January 2004 ground test, 1st QTR 2004 Flight Test<BR>– ECS Ducting changes and prototype muffler (potential prototype diffuser)<BR>– Specific vortex configuration flight test<BR>Data review<BR>– Studied 747 and 737 Classic flight deck noise investigations<BR>The Boeing Company 737.4<BR>737 NG Flight Deck Component Sources<BR>The Boeing Company 737.5<BR>737 NG PRR Package<BR>The Boeing Company 737.6<BR>737 NG PRR Package<BR>The Boeing Company 737.7<BR>Estimated Flight Deck Improvements<BR>• 35,000 ft , Cruise Mach 0.78 IMN<BR>The Boeing Company 737.8<BR>PRR Schedule<BR>• PRR Due Proceed February 2004<BR>• Flight Testing Completed April 2004<BR>• Diffuser plenum testing completed with refinements in<BR>work. Better than baseline.<BR>• Target airplane for in production change by 2nd Qtr<BR>2005<BR>• Specifics will be officially communicated via ACB once<BR>PRR has been committed including reason for change,<BR>benefits and line number start<BR>• Potential for 73dB(A)

失速 发表于 2010-6-11 00:28:22

回复 1# 民航 的帖子

先顶后下！！！！！！！！

Virgin 发表于 2010-6-11 22:54:46

看看，谢谢楼主

hehe1019 发表于 2010-6-28 12:42:44

太好了，谢谢分享

kitten_84 发表于 2010-10-2 23:52:45

B737-Flight_Deck_Noise_Reduction

super_xxx 发表于 2010-10-29 15:55:57

飞行标准类监察员（飞行运行）专业知识培训教材

:victory:&nbsp;

eddy669 发表于 2011-1-2 00:41:25

回复 1# 民航 的帖子

Thanks a lot!

wendellc 发表于 2011-3-11 14:36:51

学习一下,谢谢

powerlife 发表于 2011-4-22 20:36:15

谢啦 谢啦 谢啦 谢啦
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