in the DNW-HST High Speed Wind Tunnel

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1 Nationaal Lucht- en Ruinitevaartlaboratorium National Aerospace Laboratory NLR -. GARTEUR LIMITED Test report of the GARTEUR A028 Model AS28 in the DNW-HST High Speed Wind Tunnel F.L.A. Ganzevles and D. Rozendal

2 Natlonaal Lucht- en Rulmtevaartlaboratorlum National Aerospace Laboratory NLR Anthony Fokkerweg 2 P.O. Box BM Amsterdam The Netherlands Telephone Fax

3 Natlonaal Lucht- en Rulmtevaartlaboratorhm National Aerospace Laboratory NLR INTA Attn. F. Merida Martin Carretera Ajalvir km. 4 Torrej dn de Ardoz MADRID SPAIN from F.L.A. Ganzevles/sd telephone -t our order number our reference AEI998 date Subject GARTEUR TP- 139 / NLR-TR Encl.: 1 Dear Mr. Merida Martin, Please find enclosed one copy of the NLR report NLR-TR / GARTEUR TP-139, entitled: "Test report of the GARTEUR AG28 Model AS28 in the DM-HST High Speed Wind Tunnel", by F.L.A. Ganzevles and D. Rozendal. The report considers the results of the test programme of the full-span model AS28 in the DNW-HST wind tunnel. Yours sincerely, Nationaal Lucht- en Ruimtevaartlaboratorium (National Aerospace Laboratory NLR) General Director Postal address NLR Amsterdam NLR Noordoostpolder P.O. Box Anthony Fokkeweg 2,1059 CM Amsterdam Voorsteweg 31,831 6 PR Marknesse 1006 BM Ansterdarn Telephone , Fax Telephone , Fax The Netherlands The foundation NLR does not accept any financial liability ensuing from its advices

4 Natlonaal Lucht- en Rulmtevaartlaboratorlum National Aerospace Laboratory NLR I GARTEURLIMITED I hllr-tr / GARTEUR TP-139 Test report of the GARTEUR A028 Model AS28 in the DNW-HST High Speed Wind Tunnel F.L.A. Ganzevles and D. Rozendal The present report is distributed on a limited basis, for the information of the members of GARTEUR AG28 (Airbus F, Airbus D, Airbus UK, DLR, FOI, NLR, ONERA) only; consequently filing in any central library open to others, and citation in accession lists, or as literature reference, are prohibited. No part of this report may be reproduced andlor disclosed, in any form or by any means without the prior written permission of the owners. GARTEUR aims at stimulating and co-ordinating co-operation between Research Establishments and Industry in the areas of Aerodynamics, Flight Mechanics, Helicopters, Structures & Materials and Propulsion Technology. Customer: National Aerospace Laboratory NLR Working Plan number: A. 1.B.5 Owner: Members of GARTEUR AG28 Division: Fluid Dynamics Distribution: Limited Classification title: Unclassified March 2003 Approved by project manager: Approved by.b.by-, project managing department: V

5 GARTEUR LIMITED NLR-TR / GARTEUR TP-139 Summary The GARTEUR action group 28, Transonic WingIBody Code Validation Experiment, is a cooperation of BAe-Airbus, DLR, EADS (Aerospatiale), EADS (DASA), ETW, FOI, NLR and ONERA. The group started at the end of 1996 and it is chaired by DLR. The objectives of the GARTEUR AD (AG-28) Transonic WingBody Code Validation Experiment are to provide: measurement of extensive pressures, forces and boundarylwake measurement on a half span model of the AS-28 wing in the S1 (ONERA) wind tunnel and accurate forces and selected pressure measurements of the AS-28 full-span model, corrected for wall and sting interference, in the ETW and the DNW-HST. The research institutes DLR, FOI and NLR constructed a full-span model (AS28), which was designed by DLR. This report presents the test results of the full-span model in the DNW-HST measured in July/August The model AS28 was tested at Mach numbers in the range of 0.6 to 0.85 at lift coefficients ranging from about zero to buffet onset. The wind tunnel configuration was slotted during the test. The Reynolds number based on the average mean chord has been kept at 3.3 million. The data presented are preliminary. The presented wall pressures are tared. The forces and moments are not corrected for tunnel wall and sting interference. The forces and moments presented are corrected for upwash and buoyancy. GARTEUR LIMITED

6 GARTEUR LIMITED -4- NLR-TR / GARTEUR TP-139 Contents 1 Introduction 2 High speed wind 3 Model 4 Test set-up 5 Instrumentation and data-acquisition 5.1 Wind tunnel instrumentation 5.2 Model instrumentation 5.3 Data acquisition 5.4 Remarks 6 Test program 6.1 General 6.2 Empty test section 6.3 Balance and model pressure measurements 6.4 Balance, model and wall pressure measurements 6.5 Acenaphthene 7 Data processing 7.1 General 7.2 Tunnel wall pressure coefficients 7.3 Wing and fuselage pressure coefficients 7.4 Model coefficients 7.5 Corrections 8 Presentation of test results GARTELR LIMITED

7 GARTEUR LIMITED -5- NLR-TR / GARTEUR TP Discussion of test results 9.1 Transition check 9.2 Forces and moments measurements 9.3 Model pressure measurements 9.4 Wall pressure measurements 9.5 Remarks 10 References (55 pages in total) GARTELTR LIMITED

Fokker Aircraft B.V. Schiphol telephone: telex: FMHS NL telex spares: AMFO NL fax:

Fokker Aircraft B.V. Schiphol telephone: 31 20 605 91 11 telex: 11526 FMHS NL telex spares: 16208 AMFO NL fax: 31 20 605 3200 - Fokker Aircraft B.V.. P.O. box 7600. 1117 LI Schiphol. Holland your letterlreference