Aircraft Engine

Technology Evolution of Turbofan Engines Based on Patent Analysis: A New Sight to Technology Opportunities

V. Shamekhi, K. Mazaheri, M. Ali, and A. Kokabi

Evaluating Complex Inlet Distortion With a Parallel Compressor Model: Part 1—Concepts, Theory, Extensions, and Limitations

William T. Cousins and Milt W. Davis, Jr.

Evaluating Complex Inlet Distortion With a Parallel Compressor Model: Part 2—Applications to Complex Patterns

Milt W. Davis and William T. Cousins

Separation of Particles in the Secondary Air System of Gas Turbines

Natalia Garcia Villora, Klaus Dullenkopf, and Hans Joerg Bauer

Altitude Performance of a Turbojet With Alternate Fuels

Craig R. Davison and Wajid A. Chishty

Emissions Assessment of Alternative Aviation Fuel at Simulated Altitudes

Wajid A. Chishty, Craig R. Davison, Jeffrey Bird, Tak Chan, Kevin Cuddihy, Mark McCurdy, Peter Barton, Aneliia Krasteva, and Pierre Poitras

Nonlinear Fault Diagnosis of Jet Engines by Using a Multiple Model-Based Approach

E. Naderi, N. Meskin, and K. Khorasani

Experimental and Computational Approach for Jet Noise Mitigation by Mixing Control Devices

Nozomi Tanaka, Tsutomu Oishi, Yoshinori Ooba, Tatsuya Ishii, Shunji Enomoto, and Kazuomi Yamamoto

Near and Far-Field Investigations of Supersonic Jet Noise Predictions Using a Coupled LES and FW-H Equation Method

James P. Erwin and Neeraj Sinha

Assessment of Scavenge Efficiency for a Helicopter Particle Separation System

Leiyong Jiang, Michael Benner, and Jeff Bird

Simulations and Measurements of the Flow and Noise in Hot Supersonic Jets

Philip J. Morris, Dennis K. McLaughlin, Yongle Du, and Ching-Wen Kuo

Ultra High Bypass Ratio Engine Sizing and Cycle Selection Study for a Subsonic Commercial Aircraft in the N+2 Timeframe

Brian K. Kestner, Jeff S. Schutte, Dimitri N. Mavris, and Jonathan C. Gladin

NPSS Volume Dynamic Capability for Real-Time Physics Based Engine Modeling

Christopher Argote, Brian K. Kestner, and Dimitri N. Mavris

Experimental and Numerical Research of Fan Bypass Duct Flows in Japanese Environmentally Compatible Engine for Small Aircraft Project

Yoshinori Ooba, Takashi Yamane, Osamu Nozaki, Takeshi Murooka, and Takeshi Ishiyama

Correlations Hidden in Compressor Maps

Integrated Preliminary Design Approach for Turbomachinery Design

Vinod Chaudhari, Thomas Moniz, Chandrakant NaikTari, Daniel Waslo, and Mohan Kanase

Investigation of the Effects of Inlet Swirl on Compressor Performance and Operability Using a Modified Parallel Compressor Model

Nicholas Fredrick and Milt Davis, Jr.

Minimising Loss in a Heat Exchanger Installation for an Intercooled Turbofan Engine

Pok-Wang Kwan, David R. H. Gillespie, Andrew M. Rolt, and Rory D. Stieger

Evaluation of Total Engine Performance Degradation Based on Modular Efficiencies

Carsten Ebmeyer, Tobias Wensky, Uwe Zachau, and Jens Friedrichs

Performance Comparison of Aero-Engine Thrust Augmentors Stabilized by Bluff Body Flame Holders and a Flame-Holder-Less Concept

Armin Tammer, John T. Cutright, Yedidia Neumeier, and Ben T. Zinn

Altitude Testing of the E3E Core Engine

Holger Klinger, Sebastian Bake, Peter Schober, Hans-Frieder Vogt, and Daniel Knieschke

Influence of Microjet Injection on Supersonic Jet Noise and Flow Field

Ryuichi Okada, Toshinori Watanabe, Seiji Uzawa, Takehiro Himeno, and Tsutomu Oishi

An Improved Approach to Technology Portfolio Prioritization Process Under Uncertainty

Farooq Akram, Matthew A. Prior, and Dimitri N. Mavris

Investigations on the Influence of Altitude Conditions on Mixed Exhaust Systems

Alexander Klötzer, Stephan Staudacher, and Matthias Weissschuh

Computation Fluid Dynamics Drag Prediction and Decomposition for Propulsive System Integration

Thierry Sibilli and Mark Savill

Experimental Study on a Notched Nozzle for Jet Noise Reduction

T. Ishii, H. Oinuma, K. Nagai, N. Tanaka, Y. Ooba, and T. Oishi

Thin Film Modelling for Aero-Engine Bearing Chambers

C. Wang, H. P. Morvan, S. Hibberd, and K. A. Cliffe

Towards a Fully Coupled Component Zooming Approach in Engine Performance Simulation

Julien Pilet, Jean-Loïc Lecordix, Nicolas Garcia-Rosa, Roger Barènes, and Gérard Lavergne

Thrust Reversers for a Separate Exhaust High Bypass Ratio Turbofan Engine and its Effect on Aircraft and Engine Performance

Tashfeen Mahmood, Vishal Sethi, Pericles Pilidis, and Anthony Jackson

The Effect of Chevrons on Crackle: Engine and Scale Model Results

Steve Martens, Zac Nagel, and John T. Spyropoulos

Effect of Pressure and Oil Mist on Windage Power Loss of a Shrouded Spiral Bevel Gear

Kathy Simmons, Graham Johnson, and Nikolas Wiedemann

Liquid and Gas Flow Behaviour in Highly Rotating Environment

Budi Chandra, Kathy Simmons, Stephen Pickering, and Marc Tittel

Virtual Gas Turbines: Geometry and Conceptual Description

Luca di Mare, Davendu Y. Kulkarni, Feng Wang, Pandia R. Ramar, Artyom Romanov, and Zacharias I. Zachariadis

Conceptual Design and Mission Analysis for a Geared Turbofan and an Open Rotor Configuration

Linda Larsson, Tomas Grönstedt, and Konstantinos G. Kyprianidis

Modeling of Inlet Distortion Using a Combined Turbofan and Nacelle Inlet Model During Crosswind and Low Speed Forward Operation

Kiran Vunnam and Robert Hoover

Noise Prediction of Pressure-Mismatched Jets Using Unstructured Large Eddy Simulation

Yaser Khalighi, Frank Ham, Sanjiva K. Lele, Parviz Moin, and Robert H. Schlinker

Test Conditions for Performance Characterization of Dielectric Barrier Discharge (DBD) Plasma Actuators for Active Flow Control in Jet Engines

David E. Ashpis and Douglas R. Thurman

Extending the Flexibility of Object Oriented Systems Modeling Architectures

Steven Sirica and Igor Fuksman

Simultaneous Noise and Performance Measurements for High Speed Jet Noise Reduction Technologies: Part II—Near Field Array Calibration

Dean Long and Steve Martens

Real-Time Execution of a High Fidelity Aero-Thermodynamic Turbofan Engine Simulation

Igor Fuksman and Steven Sirica

Development of an Open Rotor Cycle Model in NPSS Using a Multi-Design Point Approach

Eric S. Hendricks

Effects of Core Flow Swirl on Flow Characteristics of a Scalloped Lobed Forced Mixer

Ali Mahallati, Zhijun Lei, Mark Cunningham, and Patrick Germain

CFD Analysis and Full Scale Testing of a Complex Auxiliary Power Unit Intake System

Bruce Bouldin, Kiran Vunnam, Jose-Angel Hernanz-Manrique, and Laura Ambit-Marin

* This paper has been recommended for publication in the ASME Transaction Journals.