Military Engine Acquisition: A Primer and Cost Estimating Methodology - Softcover

Softcover

ISBN 10: 0833032828 ISBN 13: 9780833032829

Verlag: RAND, 2002

Inhaltsangabe

Adds new observations to the cost-estimating database from ealier RAND studies and presents a method for forecasting the development cost, development time, and production cost fo future military engine programs.

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Military Jet Engine Acquisition

Technology Basics and Cost-Estimating MethodologyBy Obaid Younossi Mark V. Arena Richard M. Moore Mark A. Lorell Joanna Mason John C. Graser

RAND Corporation

Copyright © 2003 RAND Corporation
All right reserved.
ISBN: 978-0-8330-3282-9

Contents

Preface...........................................................................................iiiFigures...........................................................................................ixTables............................................................................................xiSummary...........................................................................................xiiiAcknowledgments...................................................................................xviiAcronyms..........................................................................................xixChapter One INTRODUCTION.........................................................................1Study Background and Purpose......................................................................1Updating of Previous Study Methods................................................................2The Organization and Content of This Report.......................................................2Part I: Engine Basics and Performance ParametersChapter Two JET ENGINE BASICS, METRICS, AND TECHNOLOGICAL TRENDS.................................9Jet Engine Basics.................................................................................9Jet Engine Parameters.............................................................................14Approaches to Jet Engine Development..............................................................22Summary...........................................................................................23Chapter Three TRENDS IN TECHNOLOGICAL INNOVATION.................................................25Programs and Initiatives..........................................................................25Component and Related Technical Advancements......................................................28Low Observables...................................................................................28Integrally Bladed Rotors..........................................................................29Alternatives to Engine Lubrication Systems: Air Bearings or Magnetic Bearings.....................30Thrust-Vectoring Nozzles for High-Performance Tactical Aircraft...................................31Fluidic Nozzles for Afterburning Thrust-Vectoring Engines.........................................32Integral Starter-Generators and Electric Actuators................................................32Prognostics and Engine Health Management..........................................................33Advanced Fuels....................................................................................34Cooled Cooling Air................................................................................35Advanced Materials................................................................................35Ceramics and Ceramic Matrix Composites............................................................36Intermetallics....................................................................................36Summary...........................................................................................37Part II: Data Analysis and Cost-Estimating TechniquesChapter Four AN OVERVIEW OF COST-ESTIMATING METHODS..............................................41Bottom-Up Method..................................................................................41Estimating by Analogy.............................................................................42Estimating by Parametric Method...................................................................42Summary...........................................................................................45Chapter Five ESTIMATING PARAMETERS AND GATHERING DATA............................................47Estimating Parameters.............................................................................48Performance and Physical Parameters...............................................................48Technical Risk and Design Maturity Parameters.....................................................48Additional Measures of Technical Risk and Maturity................................................52Criteria for Including Parameters.................................................................55Data Gathering....................................................................................56Extent of Data....................................................................................57Data Verification Process.........................................................................59Chapter Six STATISTICAL ANALYSIS.................................................................63Development Cost..................................................................................64Development Time..................................................................................75Production Cost...................................................................................76Normalizing the Data..............................................................................76Production Cost CER...............................................................................79Applying the Results: A Notional Example..........................................................81Summary...........................................................................................84Chapter Seven CONCLUSIONS........................................................................85AppendixA. AN EXAMINATION OF THE TIME OF ARRIVAL METRIC...................................................87B. AN OVERVIEW OF MILITARY JET ENGINE HISTORY.....................................................97C. AIRCRAFT TURBINE ENGINE DEVELOPMENT............................................................121D. MODERN TACTICAL JET ENGINES....................................................................137Bibliography......................................................................................147

Chapter One

INTRODUCTION

STUDY BACKGROUND AND PURPOSE

Realistic cost estimates for military aircraft play an important role in developing sound budgets and in contributing to an effective acquisition policy. RAND has a long tradition of developing cost-estimation techniques and has published a number of widely read reports on the topic. As design approaches and manufacturing processes and materials used in engine production change and new information on aircraft engine technology becomes available, these cost-estimation techniques should be updated. This report presents the results of a RAND research project to develop a methodology for estimating military engine costs.

This work is part of an ongoing RAND research project on military aircraft costs. Three earlier publications stemming from this project are relevant to the discussion in this report. One of those three reports, Cook and Graser (2001), is on the effect of lean manufacturing on airframe costs, Another report, Lorell and Graser (2001), analyzes the effect of acquisition reform on military aircraft costs. The third report, Younossi, Kennedy, and Graser (2001), addresses the effect of advanced materials and manufacturing methods on airframe costs.

UPDATING OF PREVIOUS STUDY METHODS

The methodology...

Details zur Ausgabe

• Verlag: RAND
• Erscheinungsdatum: 2002
• Sprache: Englisch
• ISBN 10: 0833032828
• ISBN 13: 9780833032829
• Einband: Taschenbuch
• Anzahl der Seiten: 174
• Herausgeber: Younossi Obaid
• Kontakt zum Hersteller: Nicht verfügbar
• Verantwortliche Person: Nicht verfügbar