标准资料网-标准资料免费资源平台

Product Code:SAE AIR5020
Title:Time-Dependent In-Flight Thrust Determination
Issuing Committee:E-33 In Flight Propulsion Measurement Committee
Scope: The purpose and intent of Subcommittee E-33E's effort, the reporting objectives, and the limitations inherent in the reported findings and recommendations are reviewed since these factors are the basis of the information contained in this document. SAE E-33E Subcommittee was formed to assess the level of industry experience that exists in the area of thrust determination during aircraft time-variant operating conditions. A prime objective was to provide a center for gathering expertise and to be a forum for the exchange of ideas and viewpoints. The committee recognized that a practice for the rigorous treatment of time-dependent thrust did not exist and that several critical aspects of its accounting would need to be investigated. The specific objectives of this document are: a. to examine aircraft and engine operating conditions under which the quasi-steady thrust assumption is valid; b. to determine the extent to which time-dependent (nonstationary) force accounting for engine net thrust and propulsion system throttle-dependent terms is required, consistent with existing and developing thrust-minus-drag techniques; c. to report time-dependent thrust methodologies and measurement techniques used for flight and ground testing; d. to present the results of a data review of state-of-the-art methodology appropriate to the determination of aircraft-installed thrust during quasi-steady and dynamic maneuvers; and e. to provide guidelines for validating and improving time-depend thrust and propulsion system throttle-dependent terms is required, consistent with existing and developing thrust-minus-drag techniques; c. to report time-dependent thrust methodologies and measurement techniques used for flight and ground testing; d. to present the results of a data review of state-of-the-art methodology appropriate to the determination of aircraft-installed thrust during quasi-steady and dynamic maneuvers; and e. to provide guidelines for validating and improving time-depend thrust and propulsion system throttle-dependent terms is required, consistent with existing and developing thrust-minus-drag techniques; c. to report time-dependent thrust methodologies and measurement techniques used for flight and ground testing; d. to present the results of a data review of state-of-the-art methodology appropriate to the determination of aircraft-installed thrust during quasi-steady and dynamic maneuvers; and e. to provide guidelines for validating and improving thrust and propulsion system throttle-dependent terms is required, consistent with existing and developing thrust-minus-drag techniques; c. to report time-dependent thrust methodologies and measurement techniques used for flight and ground testing; d. to present the results of a data review of state-of-the-art methodology appropriate to the determination of aircraft-installed thrust during quasi-steady and dynamic maneuvers; and e. to provide guidelines for validating and improving time-dependent thrust determination as appropriate to a specific program.【英文标准名称】:Digitalaudiobroadcastingsystem-SpecificationoftheDABcommandsetforreceivers(DCSR)
【原文标准名称】:数字音频广播系统.接收器DBA指令集规范
【标准号】:BSEN50320-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-03-15
【实施或试行日期】:2001-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:代码表示;编码(数据转换);接口;广播;接收机;数字信号
【英文主题词】:Broadcastengineering;Broadcastreceivers;Broadcasting;Bussystems;Buses(dataprocessing);Codification;Commandset;DAB;Databus;Digital;Digitalaudio;Digitalbroadcasting;Digitalsignals;Electricalengineering;Encoding;Instructions;Messages;Receivers;Reception;Soundbroadcasting;Telecommunications;Transmitters
【摘要】:ThisstandarddescribesacommandsetwhichshouldbeusedtocontrolDABreceivers.Thecodingofthesecommandsisalsodescribed.Thiscommandsetisintendedtobeusedondifferentphysicalbussystems.Thecodingshouldbemappedtransparentlyondifferentphysicalinterfaces.Selectionconflictmanagement,dynamicbandwidthproblemsandthedeviceaddressingarenotwithinthescopeofthisdocument.
【中国标准分类号】:M72
【国际标准分类号】:33_160_20
【页数】:88P.;A4
【正文语种】:英语