Hybrid-Electric Aircraft TOGW Development Tool with Empirically-Based Airframe and Physics-Based Hybrid Propulsion System Component Analysis

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$120,558.00
Award Year:
2013
Program:
SBIR
Phase:
Phase I
Contract:
NNX13CC24P
Agency Tracking Number:
124652
Solicitation Year:
2012
Solicitation Topic Code:
A3.06
Solicitation Number:
n/a
Small Business Information
Empirical Systems Aerospace, Inc.
CA, Pismo Beach, CA, 93448-9665
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
149341534
Principal Investigator:
Andrew Gibson
Aerospace Engineer
(805) 275-1053
andrew.gibson@esaero.com
Business Contact:
Andrew Gibson
President
(805) 275-1053
andrew.gibson@esaero.com
Research Institution:
Stub




Abstract
Hybrid-Electric distributed propulsion (HEDP) is becoming widely accepted and new tools will be required for future development. This Phase I SBIR proposal creates a turbo-electric, hybrid electric propulsion system sizing and weight synthesis tool specifically designed for use in an MDAO framework. It will offer significant flexibility regarding placement of the propulsive devices for top-level hybrid design, including over-wing, under-wing, split-wing, fuselage pylon-mounted, and other configurations. The user will supply power required, fan speed, fan torque, TOGW estimation, desired power split between engines and batteries, and selection for propulsion system locations. Sizing and weight analysis for electric motors, generators, speed controllers, gearboxes, cables, transformers, batteries, and cooling systems will be considered including structural considerations for heavily modified aircraft components for each system. The outputs will be hybrid electric propulsion system weight, sizes for the sub-system components, and revised HEDP specific TOGW calculation. The overall goal of this proposal is to provide a tool within a framework for top-level and conceptual hybrid electric propulsion studies. Additionally, the fidelity of the current NASA models is based on empirical-data and extrapolations. This proposed tool will employ physic-based models with empirical corrections, when needed. A Phase II and future commercialization plan have been identified.

* information listed above is at the time of submission.

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