Transport Aircraft Design: Problems and Solutions
Learn how to identify and solve the common problems encountered by aerospace engineers in this free online course.Publisher: NPTEL
CertificationView course modules
In this free online course, you will learn the essential skills for analyzing the trade-off between the range and the payload of an aircraft. The technical breakdown of the aircraft weight will begin with the determination of the maximum ramp weight (MRW) based on the manufacturer’s perspective. The maximum takeoff weight (MTOW), maximum landing weight (MLW) and maximum zero fuel weight will then be estimated for approval within the authorized limits. The standard and operator items such as engine oil, toilet fluids, seats, foods and beverages that make up the aircraft components and consignments will also be used to provide the parameter values required by the flight operators. You will examine the three types of range payload and study the factors that affect the payload diagram, which are flight altitude, speed and powerplant. The invaluable application of the payload range curve during meteorological conditions will also be highlighted. The lessons will include a tutorial on the payload diagram where you will see how to use its area to calculate the various range payload parameters. You will also learn about the major challenges posed to the world’s ecosystem by aircraft use and operations. The deleterious effects of the environmental challenges posed by aircraft as well as the possible solutions in terms of engineering design, concepts and models will be advocated.
Next, you will discover the application of the v-n diagram for symmetrical manoeuvres in the z-plane (z-axis). The application will involve the considerations of the effects of symmetrical manoeuvres on the structural configuration of an aircraft. You will also learn about load factors and the properties that determine the upper limits of the load factor including the structural strength of the aircraft, the highest permissible load factor and the maximum lift coefficient. You will see how the maximum payload limit is used to estimate the flight-zone and no-flight-zone of an aircraft. The positive effects of gusts on the vertical load of the aircraft will also be examined. Moreover, you will consider the four categories of loads that act on an aircraft, how to estimate the aircraft load during landing and takeoff, and determine the limit, ultimate loads and gust loads of an aircraft by using parameter values for the engineering model calculations. You will be shown the key mission requirements of High Altitude Long Endurance (HALE) aircraft and the application of aviation vehicles for aerial surveillance and satellite communications.
The advantage of HALE Unmanned Aviation Vehicles (HALE UAVs) over conventional aircraft will also be highlighted.
Finally, you will consider distinct concepts like Morphing, and the application of such models for improvements in performance efficiency, competency and the structural adaptability of an aircraft. The piezoelectric devices for memory alloys, inflatable wings for UAVs and rigidization are other concepts that will be explained in the lesson. An expository guest lecture will address the airpower and special feature configurations of a multirole fighter aircraft. Also, directed energy devices, mission threat analysis and aircraft weapon systems will be further elucidated. A good design means developing a concept that resolves the various challenges encountered during product creation while championing the solution to obtain a win-win situation. Therefore, it is of utmost importance that aircraft designers possess the necessary skills to fabricate products that meet acceptable standards. The aircraft designer must ensure the safety of passengers and personnel for civil operations and mission success during military engagements. If you are a student and are interested in the field of aeronautics, aeronautical engineering or aerospace engineering and you're considering a career path in any of these fields, then this straight-to-the-point course is just right for you. So why wait? Start this course today!Start Course Now
The Range Payload
The Range Payload - Learning Outcomes
The Range Payload Diagram
Tutorial on Range Payload Diagram
Environmental Issues in Aircraft Design
The Range Payload - Lesson Summary
Aircraft Performance Considerations
Aircraft Performance Considerations - Learning Outcomes
Limit Manoeuvre Envelope
Gust and Aircraft Load
Tutorial on v-n Diagram of Transport Aircraft
High Altitude Long Endurance (HALE) Aircraft
Morphing of Aircraft Configurations
Guest Lecture on Power and Multirole Aircraft
Aircraft Performance Considerations - Lesson Summary
Upon successful completion of this course, you will be able to:
Analyze the range payload diagram for aircraft design estimations.
Discuss the environmental challenges posed by the aviation industry.
Explain noise pollution and the models and technologies for noise control.
Describe the concepts of engine and airframe noise reduction.
Translate the v-n diagram and its application in aircraft design.
Discuss the effects of gusts in aircraft design.
Estimate the load parameters of an aircraft.
Outline the properties and application of HALE UAVs.
Explain the concepts and technologies for morphing an aircraft.
Discuss the application of aviation technologies in modern warfare.
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