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Technical Paper

Technology Assessment of a Supersonic Business Jet

2005-10-03
2005-01-3393
This paper presents a quantitative process to track the progress of technology developments within NASA’s Vehicle Systems Program (VSP) as implemented on a Supersonic Business Jet (SBJ). The process, called the Technology Metric Assessment and Tracking (TMAT) process, accounts for the temporal aspects of technology development programs such that technology portfolio assessments, in the form of technological progress towards VSP sector goals, may be tracked and assessed.
Technical Paper

Preliminary Studies of a Supersonic Business Jet

1967-02-01
670246
This paper discusses two possible designs, an unswept trapezoidal wing model and an essentially delta wing model for a 10 passenger Mach 2.2 Supersonic Business Jet. The studies are quite preliminary in nature and the result of team efforts in two different Senior Aerospace Vehicle Design courses at the Georgia Institute of Technology.
Technical Paper

Noise Certification of Business Jet Aircraft

1971-02-01
710384
Noise certification under FAR Part 36 is now a requirement for issuance of all new and supplemental type certificates for turbojet-powered or transport-category aircraft. Recent experience with three noise certification programs has shown: how to estimate from aircraft performance data the necessity and extent of noise measurement requirements, ways to show compliance through the use of equivalent test data, and techniques for minimizing program cost.
Technical Paper

The TFE731-5: Evolution of a Decade of Business Jet Service

1983-02-01
830756
The Garrett TFE731-5 turbofan engine was built on the extensive experience gained from earlier models of the TFE731 family. Ten years and five million hours of operating time, combined with the experience gained in manufacturing over 4000 TFE731 engines, served as the basis for the new TFE731-5. This report highlights some of the more important elements that contributed to the design and development of the -5 model. Special emphasis is placed on subtleties of the actual operational environment, the importance of a well planned and well executed continuing airworthiness program, and the importance of timely field experience feedback to the engine designers and developers.
Technical Paper

Human Factors Aspects of Emergency Egress from a Business Jet

1981-04-01
810617
Past research has shown that although occupants often survive crash impacts of business jet aircraft, they are often injured either in the course of egress or because they are unable to evacuate. ...A physical task analysis was performed to evaluate procedures for emergency egress from a typical business jet to demonstrate how possible human factors problems can be identified. First, the tasks required for the flight crew to evacuate via all possible routes were determined.
Technical Paper

Identification and Evaluation of Technologies for the Development of a Quiet Supersonic Business Jet

2002-11-05
2002-01-2927
The success of business jets like the Citation X, the fastest civil aircraft in use after the Concorde, highlights the need for speed to improve business and globalization. Currently, developing a supersonic business jet has many technical and economical impediments. ...The success of business jets like the Citation X, the fastest civil aircraft in use after the Concorde, highlights the need for speed to improve business and globalization.
Technical Paper

Developing, Qualifying and Operating Business Jet Thrust Reversers

1969-02-01
690311
The types of thrust reversers currently employed for business jet aircraft are briefly reviewed and their main features noted. The different types of reversers applicable to various powerplants - straight turbojets, low bypass ratio turbofans and high bypass ratio turbofans are pointed out, with comments on weight and cost. ...The advantages of reversers for business operations are listed and quantified and potential new uses are discussed. Alternate approaches to the thrust reverser control system are presented, with emphasis on the required procedures at the pilot station.
Technical Paper

Formulation of an IPPD Methodology for the Design of a Supersonic Business Jet

1996-10-01
965591
The growth of international markets as well as business partnerships between U.S. and Asian-based firms has lead to an increased interest in an economically viable business jet capable of supersonic cruise and trans-Pacific range with one stop over (or non-stop trans-Atlantic range)1. ...In response to this interest, the 1996 AIAA / United Technologies / Pratt & Whitney Individual Undergraduate Design Competition has issued a Request for Proposal for the conceptual design of a supersonic cruise business jet. The design of this aircraft considered both performance and economic issues in the conceptual design phase. ...The growth of international markets as well as business partnerships between U.S. and Asian-based firms has lead to an increased interest in an economically viable business jet capable of supersonic cruise and trans-Pacific range with one stop over (or non-stop trans-Atlantic range)1.
Technical Paper

Parametric Investigation of Ice Shedding from a Business Jet Aircraft

2007-09-24
2007-01-3359
Trajectories of a rectangular plate shed from the wing and windshield of a generic business jet are presented in this paper. Monte Carlo simulations for two aircraft speeds, three angles of attack and one yaw angle are also included to demonstrate the effect of shed location and initial particle orientation on plate trajectory path.
Technical Paper

Tail Icing Effects on the Aerodynamic Performance of a Business Jet Aircraft

2002-11-05
2002-01-3007
Experimental studies were conducted to investigate the effect of tailplane icing on the aerodynamic characteristics of 15%-scale business jet aircraft. The simulated ice shapes selected for the experimental investigation included 9-min and 22.5-min smooth and rough LEWICE ice shapes and spoiler ice shapes.
Technical Paper

Full-Scale Semi-Span Tests of an Advanced NLF Business Jet Wing

1987-10-01
871860
An investigation has been conducted in the NASA Langley Research Center's 30- by 60-Foot Wind Tunnel on a full-scale semi-span model to evaluate and document the low-speed, high-lift characteristics of a business-jet class wing utilizing the HSNLF(1)-0213 airfoil section and a single slotted flap system. In addition to the high-lift studies, evaluations of boundary layer transition effects, the effectiveness of a segmented leading-edge droop for improved stall/spin resistance, and roll control effectiveness with and without flap deflection were made. The wind-tunnel investigation showed that deployment of a single-slotted trailing-edge flap provided substantial increments in lift. Fixed transition studies indicated no adverse effects on lift and pitching-moment characteristics for either the cruise or landing configuration. Sub-scale roll damping tests also indicated that stall/spin resistance could be enhanced through the use of a properly designed leading-edge droop.
Technical Paper

Improving Business Jet Performance: The Mark Five Sabreliner

1979-02-01
790582
Following the successful Mark II Learjet modification program. The Raisbeck Group set out to improve the performance of the Sabreliner series of aircraft. By applying a unique combination of theoretical analysis, flight test development and advanced FAA certification methods, the Raisbeck Mark Five Sabreliner became a reality. This configuration, with advanced aerodynamics, systems and structure has been incorporated on both existing and new production versions of the aircraft. It offers a minimum of 25% range increase while maintaining or reducing takeoff and landing field lengths. The development approach used for the Mark Five system is detailed, including the rationale for each of the improvements incorporated. FAA certification plan procedures used on this program are discussed. Performance improvements realized in actual operation of the Mark Five system are also detailed to demonstrate the advantages from a customer's viewpoint.
Technical Paper

The Design and Development of the CJ610 Turbojet and the CF700 Turbofan Engines for Use in Business Jet Aircraft

1965-02-01
650381
Some of the problems that were encountered during the installation of the engine into the Business Jet aircraft are discussed, and also there is a brief discussion of the continuing development program planned for the engines in order to give good customer service in the Business Jet field. ...Some of the problems that were encountered during the installation of the engine into the Business Jet aircraft are discussed, and also there is a brief discussion of the continuing development program planned for the engines in order to give good customer service in the Business Jet field.
Technical Paper

SEA Model Development for Cabin Noise Prediction of a Large Commercial Business Jet

2017-06-05
2017-01-1764
The demand for quieter interior cabin spaces among business jet customers has created an increased need for more accurate prediction tools. In this paper, the authors will discuss a collaborative effort between Jet Aviation and Gulfstream Aerospace Corporation to develop a Statistical Energy Analysis (SEA) model of a large commercial business jet. ...In this paper, the authors will discuss a collaborative effort between Jet Aviation and Gulfstream Aerospace Corporation to develop a Statistical Energy Analysis (SEA) model of a large commercial business jet. To have an accurate prediction, it is critical to accurately model the structural and acoustic subsystems, critical noise transmission paths, and dominant noise sources for the aircraft. ...In this paper, the authors will discuss a collaborative effort between Jet Aviation and Gulfstream Aerospace Corporation to develop a Statistical Energy Analysis (SEA) model of a large commercial business jet.
Technical Paper

Supersonic Business Jet Design and Requirements Exploration using Multiobjective Interactive Genetic Algorithms

2005-10-03
2005-01-3398
This paper describes the application of a multiobjective genetic algorithm to the design space exploration of such a supersonic business jet. Results obtained using this method are presented, and give insight into the important decisions that must be made at the early stages of a design project. ...Although market research has indicated that there is significant demand for a supersonic business aircraft, development of a feasible concept has proven difficult. Two factors contributing to this difficulty are the uncertain nature of the vehicle’s requirements and the fact that conventional design methods are inadequate to solve such non-traditional problems.
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