,.
DATA ITEM DESCRIPTION
I
Form @FVOWCS
OMB No. 0704-0t6a
1
1. TITLE
2 IDENTIFICATIONNUMBER
Users
ManualforGas TurtineEngineSteadyStateandTransient ..:.
PerformanceDigit&ComputerProgram ‘
QI~IPsC=81490
3.DEscmPnowuRPoaE
3.1 The users manualprovidesadetailaddescriptionofthecharacteristicsanduseoftheenginesteadystate
andtransientcomputerprcgram(herein
referred to as model).
4. APPROVAL DATE
L-
S. OFRCE OF P+sMARY RESPONSIBILITY (OPR)
(w?AMDO)
950731
F/ASC-ENF
.— .1::::1:1::::
7. APPUCAllOWINtERRELAIONBNIP
7.1 Tfls
DataItemDescription(DID) contains the fermat and content preparation instructionsfor data
resul?ingfrom the wurk task deseribed by the Society of
Automotive Engineem (SAE) Aerospace Standard 681
and SAE Recommended Pratirce 755.
7,2 This DID is applicable to acquisition of gas turbine engines. It applies to all acquisition phases.
8. APPROVAL UAWAllON W APPUCAaLE FORMS
W. AMSC NUMaER
F7158
10. PREPARATION INSTRUCTIONS
10.1 ~. The applicable issue of the documents cited herein, includingtheir apprOVal dates
and dates of any applicable amendments, notices, and revisions, shall be as specified inthe wntract.
10,2-. Contractor format is acceptable,
10.3-. The’users manual shall contain the information required by SAE Aerospace Standard 681
In addition, the users manual shall contain the folloWing:
a. A detailed explanation of the performance calculation process for each engine component, including an index
of all subroutines in the mcdel including explanations of their purpose, an identificationof the function of each
programming variable anti array element ueiaiied explanations of”rnecierivationsofati empi,icai
functions used
in the model, and the rationale for all reference ValueSus’egfor normafizad parameters.
b. An identification of any limits on the values of input parameters.
c. Accurate
grapfic compenent performance mape of the fans, compressors, turbines, and exhaust
nozzles simulated in the model.
d. A detillad description of the major engine control loops, the hrerarchy of the loops, the control limits,
and graphs of all engine control schedules represented in the model.
11. DlaTRlaUllON STATEMENT
DISTRIBUTION STATEMENT A. Approvad for public release; distributionis unlimited.
I
1
00 Form 1S64, .NJN 86
PIwIous
.dkions am .bs.fet.
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