Elena Garcia

Elena Garcia
Georgia Tech Research Institute · Department of Aerospace Engineering

About

54
Publications
24,637
Reads
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211
Citations

Publications

Publications (54)
Conference Paper
A typical aircraft certification process consists of obtaining a type, production, airworthiness, and continued airworthiness certificates. During this process, a type certification plan is created that includes the intended regulatory operating environment, the proposed certification basis, means of compliance, and a list of documentation to show...
Conference Paper
Full-text available
View Video Presentation: https://doi.org/10.2514/6.2021-3289.vid Distributed propulsion systems are enabled by electrified aircraft and can provide aero-propulsive benefits. The magnitude and impact of these benefits rely on the location of propulsors on the vehicle, the amount of propulsive force generated by those propulsors, vehicle geometry, an...
Conference Paper
Full-text available
Electrified propulsion systems can provide potential environmental and performance benefits for future aircraft. The choice of the right propulsion architecture and the power management strategy depends on a number of factors, the airframe, electrification objectives and metrics of interest being the most critical ones. Therefore, the generic advan...
Conference Paper
In typical multidisciplinary design optimization problems, with varying missions, aerodynamic data, engine data, Thermal Management Systems (TMS), and other parameters it can take upwards of millions of runs to cover the full design space which result in extremely large computational burden, reducing the effectiveness of the design process. The obj...
Article
Purpose The purpose of this paper was to create a generic and flexible framework for the exploration, evaluation and side-by-side comparison of novel propulsion architectures. The intent for these evaluations was to account for varying operation strategies and to support architectural design space decisions, at the conceptual design stages, rather...
Conference Paper
Full-text available
A thermal ice protection system prevents or dispatches ice formed on critical aircraft components like wings or nacelles by heating them either through electro-thermal or pneumatic means. The power requirements for such a system are a function of flight and atmospheric conditions and protected surface area. The developed analysis framework allows e...
Conference Paper
The concept of boundary layer ingestion has been explored and studied for a long time to meet the increasingly aggressive goals to reduce mission fuel burn, emissions, and noise for aviation transportation. However, most of the previous studies trying to analyze the benefits brought by this concept, or to design propulsion systems specifically for...
Conference Paper
Efforts to achieve NASA’s N+2 and N+3 fuel burn goals have led to various future aircraft concepts. A commonality in all these concepts is the presence of a high degree of interaction among the various disciplines involved. A tightly integrated propulsion/airframe results in distortion in the flow field around the engine annulus. Although beneficia...
Conference Paper
Ambitious aircraft emission goals combined with airline fuel costs are driving an increasing focus on energy efficiency for the aircraft industry. Aircraft Equipment Systems (AES) perform key aircraft functions, such as pressurization or control surface actuation, but they are also energy consumers. Selecting the AES technologies of the future is i...
Chapter
The increasingly aggressive performance targets for new aircraft designs that drive fuel efficiency, emissions, noise, cost, and operability requirements necessitate a renewed focus on optimal onboard energy management for the aircraft systems and subsystems. Optimal energy management, which has traditionally been considered local to each aircraft...
Article
The increasingly aggressive performance targets for new aircraft designs which drive fuel efficiency, emissions, noise, cost, and operability requirements necessitate a renewed focus on optimal on-board energy management for the aircraft systems and subsystems. Optimal energy management, which has traditionally been considered local to each aircraf...
Conference Paper
Sustainability of the National Airspace System (NAS) continues to be a major concern to its governing body, the Federal Aviation Administration (FAA). Several research efforts are addressing the sustainability needs of the future NAS, including the Continuous Lower Emissions, Energy and Noise (CLEEN) program under the FAA, and the Environmentally R...
Conference Paper
Full-text available
Sustainability of the National Airspace System (NAS) continues to be a major concern to its governing body, the Federal Aviation Administration (FAA). Several research efforts are addressing the sustainability needs of the future NAS, including the Continuous Lower Emissions, Energy and Noise (CLEEN) program under the FAA, and the Environmentally R...
Conference Paper
A system-wide model for fuel burn is presented and exercised to characterize the effect of aircraft concepts and technologies introduced into the fleet under scenarios of interest for the 2020 technology research and development landscape. This work enhances prior efforts by revising the underlying published demand forecasts, fine-tuning the alloca...
Conference Paper
Full-text available
As aviation's environmental impact becomes more and more worrying, designers are looking for innovative and more effcient subsystem architectures. To decrease design cost, the objective is to improve the requirements ow-down as well as their traceability through- out the design process. This work reviews previous work on the matter, and presents a...
Conference Paper
Full-text available
A comparison of aircraft performance and program costs involved with unmanned air vehicle (UAV) projects has been performed. The assessment has been taken from a systems engineering point of view when designing a new unmanned air system for a search and rescue case study. Two different design strategies were investigated, one being a traditional ai...
Conference Paper
Full-text available
To remain competitive in the marketplace, companies attempt to minimize their expenses while satisfying diverse customer requirements. If several different products are produced to service related but different market niches, then there may be implied similarities between this set or family of products. The company can then attempt to leverage thos...
Conference Paper
This paper illustrates the use of Real Options Analysis to capture and value the flexibility of airport capacity-enhancing technology investments. In particular, it demonstrates and emphasizes the importance of accounting for managerial flexibility when considering such investments. This work also investigates, through a change in traffic demand at...
Conference Paper
There is a growing need for the integrated investigation of propulsion and thermal management system performance during the design of the gas turbine engine cycle. Previously, studies have focused on the development of transient, thermodynamic models of the energy conservation between the various subsystems to carry out these investigations. The cu...
Article
This paper proposes an approach to the evaluation of airport technology portfolios. The work leverages the benets yielded by impact assessment techniques and system dynamics modeling to support the successful and sustainable deployment of technologies at secondary and regional airports. In particular, it emphasizes the importance of understanding a...
Article
The successful development and implementation of both European and American aviation modernization programs require active cooperation, harmonization, and interoperability among air transportation systems. Although significant efforts have been made toward collaboration and synchronization, additional work is required to harmonize capabilities, ter...
Conference Paper
In product family design the goal is to generate a set of lowest cost products that target specific market niches. Sharing components, called platforms, between different products can minimize duplication of effort, thereby lowering family costs. However, if the products’ requirements are too dissimilar, sharing components may compromise the end pr...
Conference Paper
During the World Wars, systems were designed to counter known adversaries with predictable doctrines and strategies. Nowadays, the strategic environment is asymmetric, dominated by uncertainty, and driven by opponents that seek to exploit non-traditional weaknesses in the national security of developed countries. Indeed, terrorism has become increa...
Conference Paper
Full-text available
Commercial aircraft and engine developments are major endeavours which strain considerably the resources of manufacturers. Beyond the financial strains, these research and development programs represent huge bets for the companies due to the fixed assumptions made when business plans are conceived and the abundance of uncertainties both at the tech...
Article
Full-text available
This work focuses on the implementation of op-erational concepts and technologies at underuti-lized airports as a means to address the increase in air traffic demand and resulting capacity is-sues. Among the challenges of sustaining the de-velopment of this type of airports are the need to synchronize evolving technologies with air-ports' requireme...
Conference Paper
The development and implementation efforts of both NextGen and SESAR programs are based on the realization that active cooperation, harmonization, and interoperability among systems is essential and necessary for both SESAR and NextGen to be successful. While significant efforts have been made towards collaboration and synchronization, additional w...
Conference Paper
The investigation of the thermal management requirements of gas turbine integrated power systems is becoming increasingly important during the conceptual design phase of advanced commercial and military aircraft engines. Much of this emphasis is due to the escalating thermal loads and the increasing interac tions between the various subsystems in t...
Article
As airports are becoming the major capacity bottleneck to continued growth in air traffic, it is primordial to make the most efficient use of the current, and very often, underutilized airport infrastructure. The research presented in this paper thus proposed to address the increase in air traffic demand and resulting capacity issues by considering...
Article
Due to its complexity, modeling of the transportation network involves a very large number of node choices for completion of a travel route. Conventional route choice models approach this problem from the mathematical point of view. In this paper, a System-of-Systems approach is used to model a Personal Air Vehicle (PAV) network, and a traveler's r...
Article
The demand for air travel is expanding beyond the capacity of existing airports and air tra#c control. This excess tra#c often results in delays and compromised safety. Therefore, a number of initiatives to improve airport capacity and throughput have been proposed. However, in order to assess the impact of these technologies on commercial air tra#...
Article
Full-text available
The demand for air travel is expanding beyond the capacity of existing airports and air traffic control. This excess traffic often results in delays and com- promised safety. Therefore, a number of initiatives to improve airport capacity and throughput have been proposed. However, in order to assess the im- pact of these technologies on commercial...
Article
The demand for air travel is expanding beyond the capacity of the existing National Airspace System. Excess traffic results in delays and compromised safety. Thus, a number of initiatives to improve airspace capacity have been proposed. To assess the impact of these technologies on air traffic one must move beyond the vehicle to a system-of-systems...
Article
Commercial air transportation growth and airline deregulation in recent years have resulted in traffic volume beyond the capacity of existing airports and air traffic control. This excess traffic often results in delays and the subsequent revenue loss for airline operators. Therefore, a number of initiatives to improve airport capacity and throughp...
Article
Full-text available
Presented at the 5th World Aviation Congress and Exposition, San Diego, CA, October 10-12, 2000. The demand for air travel is expanding beyond the capacity of existing airports and air traffic control. This excess traffic often results in delays and compromised safety. Therefore, a number of initiatives to improve airport capacity and throughput ha...
Article
Military budget cuts and increased competition in the commercial market have shifted the focus of aircraft design to include affordability concerns. This has resulted in the need for increased knowledge in the early stages of design when a high percentage of the available resources are committed. The Technology Identification, Evaluation and Select...
Article
Presented at the 2nd Joint ISAP/SCEA International Conference, San Antonio, TX, June 1999. Military budget cuts and increased competition in the commercial market have shifted the focus of aircraft design to include affordability concerns. This has resulted in the need for increased knowledge in the early stages of design when a high percentage of...

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