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Rotorcraft Performance Model (RPM) for Use in AEDT

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Rotorcraft Performance Model (RPM) for Use in AEDT Rotorcraft Performance Model (RPM) for use in AEDT November 2015 DOT- VNTSC-FAA-16-03 Prepared for: Office of Environment and Energy Federal Aviation Administration U.S. Department of Transportation Notice This document is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The U.S. Government assumes no liability for use of the information contained in this document. This report does not constitute a standard, specification, or regulation. The United States Government does not endorse products or manufacturers. Trademarks or manufacturers’ names appear herein only because they are considered essential to the objective of this document. REPORT DOCUMENTATION PAGE Form Approved OMB No. 0704-0188 Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188), Washington, DC 20503. 1. AGENCY USE ONLY (Leave blank) 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED November 2015 Final Report 4. TITLE AND SUBTITLE 5a. FUNDING NUMBERS Rotorcraft Performance Model (RPM) for use in AEDT FA5JC6/PJ1C1 6. AUTHOR(S) 5b. CONTRACT NUMBER David A. Senzig, Eric R. Boeker 8. PERFORMING ORGANIZATION 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) REPORT NUMBER U.S. Department of Transportation John A Volpe National Transportation Systems Center Organizational Performance Division DOT- VNTSC-FAA-16-03 55 Broadway Cambridge, MA 02142-1093 9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSORING/MONITORING US Department of Transportation AGENCY REPORT NUMBER Federal Aviation Administration Office of Environment and Energy 800 Independence Ave, SW Washington, DC 20591 11. SUPPLEMENTARY NOTES 12a. DISTRIBUTION/AVAILABILITY STATEMENT 12b. DISTRIBUTION CODE This document is available on the DOT’s National Transportation Library website at: http://ntlsearch.bts.gov/ 13. ABSTRACT (Maximum 200 words) This report documents a rotorcraft performance model for use in the FAA’s Aviation Environmental Design Tool. The new rotorcraft performance model is physics-based. This new model replaces the existing helicopter trajectory modeling methods in the Aviation Environmental Design Tool which were mode-based. The new methods enable fuel consumption and emissions modeling based on the performance data derived from information found in the helicopters’ flight manuals. 14. SUBJECT TERMS 15. NUMBER OF PAGES Helicopter, Helicopter Performance, Aviation Environmental Design Tool, AEDT, FAA 68 16. PRICE CODE 17. SECURITY CLASSIFICATION 18. SECURITY CLASSIFICATION 19. SECURITY CLASSIFICATION 20. LIMITATION OF ABSTRACT OF REPORT OF THIS PAGE OF ABSTRACT Unlimited Unclassified Unclassified Unclassified NSN 7540-01-280-5500 Standard Form 298 (Rev. 2-89) Prescribed by ANSI Std. 239-18 298-102 SI* (MODERN METRIC) CONVERSION FACTORS APPROXIMATE CONVERSIONS TO SI UNITS Symbol When You Know Multiply By To Find Symbol LENGTH in inches 25.4 millimeters mm ft feet 0.305 meters m yd yards 0.914 meters m mi miles 1.61 kilometers km AREA in2 square inches 645.2 square millimeters mm2 ft2 square feet 0.093 square meters m2 yd2 square yard 0.836 square meters m2 ac acres 0.405 hectares ha mi2 square miles 2.59 square kilometers km2 VOLUME fl oz fluid ounces 29.57 milliliters mL gal gallons 3.785 liters L ft3 cubic feet 0.028 cubic meters m3 yd3 cubic yards 0.765 cubic meters m3 NOTE: volumes greater than 1000 L shall be shown in m3 MASS oz ounces 28.35 grams g lb pounds 0.454 kilograms kg T short tons (2000 lb) 0.907 megagrams (or "metric ton") Mg (or "t") oz ounces 28.35 grams g TEMPERATURE (exact degrees) oF Fahrenheit 5 (F-32)/9 Celsius oC or (F-32)/1.8 ILLUMINATION fc foot-candles 10.76 lux lx fl foot-Lamberts 3.426 candela/m2 cd/m2 FORCE and PRESSURE or STRESS lbf poundforce 4.45 newtons N lbf/in2 poundforce per square inch 6.89 kilopascals kPa APPROXIMATE CONVERSIONS FROM SI UNITS Symbol When You Know Multiply By To Find Symbol LENGTH mm millimeters 0.039 inches in m meters 3.28 feet ft m meters 1.09 yards yd km kilometers 0.621 miles mi AREA mm2 square millimeters 0.0016 square inches in2 m2 square meters 10.764 square feet ft2 m2 square meters 1.195 square yards yd2 ha hectares 2.47 acres ac km2 square kilometers 0.386 square miles mi2 VOLUME mL milliliters 0.034 fluid ounces fl oz L liters 0.264 gallons gal m3 cubic meters 35.314 cubic feet ft3 m3 cubic meters 1.307 cubic yards yd3 mL milliliters 0.034 fluid ounces fl oz MASS g grams 0.035 ounces oz kg kilograms 2.202 pounds lb Mg (or "t") megagrams (or "metric ton") 1.103 short tons (2000 lb) T g grams 0.035 ounces oz TEMPERATURE (exact degrees) oC Celsius 1.8C+32 Fahrenheit oF ILLUMINATION lx lux 0.0929 foot-candles fc cd/m2 candela/m2 0.2919 foot-Lamberts fl FORCE and PRESSURE or STRESS N newtons 0.225 poundforce lbf kPa Kilopascals 0.145 poundforce per square inch lbf/in2 *SI is the symbol for the International System of Units. Appropriate rounding should be made to comply with Section 4 of ASTM E380. (Revised March 2003) Acknowledgments This work was funded by the FAA’s Office of Environment and Energy. We thank Sandy Liu and Becky Cointin for supporting and directing this work. We also thank Juliet Page of the Volpe Center for her insight into helicopter noise sources and providing consulting on the integration of helicopter performance and acoustics, and Seamus McGovern, also of the Volpe Center, for his helping with our understanding of the pilot’s perspective of helicopter operations. Eric Greenwood and Michael Watts of NASA-Langley kindly provided helicopter flight test data. We thank Ken Brentner for his advice on improving the modeling process. We also thank Wayne Johnson for providing access to the NASA Design and Analysis of Rotorcraft software tool. Contents List of Figures ........................................................................................................................ v List of Tables .........................................................................................................................vi List of Acronyms .................................................................................................................. viii Executive Summary ............................................................................................................... 1 1. Introduction ................................................................................................................... 2 2. Background .................................................................................................................... 3 2.1 Heliport Noise Model .................................................................................................................. 3 2.2 Integrated Noise Model .............................................................................................................. 3 2.3 Emission and Dispersion Modeling System ................................................................................ 3 2.4 Aviation Environmental Design Tool ........................................................................................... 4 2.4.1 Concerns with AEDT ....................................................................................................... 4 2.4.2 Models considered for inclusion in AEDT ...................................................................... 4 2.5 Rotorcraft performance analyses ............................................................................................... 5 3. Requirements ................................................................................................................. 6 3.1 Hard requirements ...................................................................................................................... 6 3.2 Soft requirements ....................................................................................................................... 6 4. Development of the Rotorcraft Performance Model ....................................................... 8 4.1 The U.S. Army model .................................................................................................................. 8 4.2 Modifications to the U.S. Army model for the RPM ................................................................... 8 4.3 Development of data for the RPM .............................................................................................. 9 5. Flight Procedure Modeling ............................................................................................ 10 5.1 Level flight ................................................................................................................................. 12 5.2 Ground and flight idle ............................................................................................................... 13 5.3 Vertical ascent ........................................................................................................................... 13 5.4
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