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Unsteady Effects of Shock Wave induced Separation [Hardback]

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Unsteady Effects of Shock Wave induced SeparationPalielināt
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This volume contains description of experimental and numerical results obtained in the UFAST project. The goal of the project was to generate experiment data bank providing unsteady characteristics of the shock boundary layer interaction. The experiments concerned basic-reference cases and the cases with application of flow control devices. Obtained new data bank have been used for the comparison with available simulation techniques, starting from RANS, through URANS, LES and hybrid RANS-LES methods. New understanding of flow physics as well as ability of different numerical methods in the prediction of such unsteady flow phenomena will be discussed.
1 Introduction - UFAST Project Overview
1(12)
1.1 Project Summary
1(1)
1.2 Project Objectives
2(3)
1.3 List of Participants
5(2)
1.4 Project Structure
7(1)
1.5 Project Organisation
8(5)
Part I Transonic Interactions
2 Bump at a Wall (George Barakos)
13(42)
2.1 Summary
13(1)
2.2 Introduction - The QUB Tunnel Setup
13(6)
2.3 Contoured Upper Wall
19(3)
2.4 CFD Tools and Mesh Generation
22(3)
2.5 Boundary Conditions
25(1)
2.6 Experimental Findings
26(3)
2.7 URANS Results
29(6)
2.8 Flow Control Attempts
35(3)
2.9 LES and OES Results
38(13)
2.10 Summary and Suggestions for Future Work
51(1)
References
51(4)
3 Biconvex Aerofoil (Stefan Leicher)
55(46)
3.1 Introduction
55(1)
3.2 Buffeting Experiments
56(10)
3.3 Flow Simulations
66(24)
3.4 Comparisons with Experiments and Cross Plotting
90(6)
3.5 Conclusion
96(3)
References
99(2)
4 NACA0012 with Aileron (Marianna Braza)
101(34)
4.1 The IoA Experiment
101(13)
4.2 Numerical Simulation of the IoA Test-Case
114(17)
4.3 Conclusions
131(1)
References
131(4)
Part II Nozzle Flows
5 Nozzle Forced Shock Oscillations with Wall Bump (Reynald Bur)
135(28)
5.1 Introduction
135(1)
5.2 Presentation of the Experiments
135(12)
5.3 Numerical Simulations
147(4)
5.4 Comparison between Experimental and Numerical Results
151(9)
5.5 Conclusion
160(1)
References
161(2)
6 Nozzle Forced Shock Oscillations (Holger Babinsky)
163(20)
6.1 Introduction
163(1)
6.2 Experimental Conditions
163(1)
6.3 Numerical Method
164(1)
6.4 Flow Case Results: Steady Tests
164(4)
6.5 Flow Case Results Part II: Unsteady Tests
168(5)
6.6 Comparison with CFD
173(7)
6.7 Other Observations
180(1)
6.8 Conclusions and Further Work
181(2)
7 Natural Shock Unsteadiness in Nozzle (Piotr Doerffer)
183(36)
7.1 Introduction
183(1)
7.2 Basic Flow Cases
184(15)
7.3 Flow Control
199(14)
7.4 Conclusions
213(1)
References
214(5)
Part III Shock Reflection
8 Oblique Shock Reflection at M = 1.7 (Sergio Pirozzoli)
219(44)
8.1 Presentation of Flow Case
219(1)
8.2 Experimental Methodology (Source TUD Deliverable 2.3.10)
220(8)
8.3 Overview of RANS Simulations
228(10)
8.4 Overview of LES Simulations
238(4)
8.5 Comparison between Experiment and CFD
242(17)
8.6 Conclusions
259(1)
References
260(3)
9 Oblique Shock Reflection at M = 2.0 (Neil Sandham)
263(24)
9.1 Acronyms
263(1)
9.2 Nomenclature
264(1)
9.3 Introduction
265(1)
9.4 Description of the Flow Case
265(5)
9.5 Brief Summary of Methods Used
270(1)
9.6 Steady Aspects
271(6)
9.7 Unsteady Aspects
277(6)
9.8 Conclusions
283(1)
References
284(3)
10 Oblique Shock Reflection at M = 2.25 (Eric Garnier)
287(28)
10.1 Introduction
287(1)
10.2 Flow Case Description
287(3)
10.3 Important Flow Features
290(4)
10.4 Numerical Investigations
294(13)
10.5 Controlled Flow
307(2)
10.6 Conclusions
309(1)
References
310(5)
Part IV Summary by Work Packages
11 WP-2 Basic Experiments (Jean-Paul Dussauge)
315(6)
11.1 Introduction
315(1)
11.2 An Overview of the Main Results of WP2
315(2)
11.3 Lessons Learned and Open Issues
317(4)
12 WP-3 Flow Control Application (Holger Babinsky)
321(6)
12.1 Introduction
321(1)
12.2 Main Observations
322(3)
12.3 Conclusions
325(2)
13 WP-4 RANS/URANS Simulations (Charles Hirsch)
327(12)
13.1 Introduction
327(1)
13.2 Transonic Flow Around a Profile
327(2)
13.3 The Normal Shock Experiments
329(6)
13.4 Oblique Shock Reflection
335(2)
13.5 Conclusions
337(1)
References
338(1)
14 WP-5 LES and Hybrid RANS/LES (George Barakos)
339
14.1 Motivation, Objectives and Work Share
339(1)
14.2 Summary of Observations - Transonic Flow Cases
340(2)
14.3 Summary of Observations - Normal Shock Cases
342(3)
14.4 Summary of Observations - Reflected Shock Cases
345(2)
14.5 Summary of Conclusions and Suggestions for Further Work
347