Results 81 to 90 of about 67,696 (213)

The Jet Propulsion Laboratory Electric and Hybrid Vehicle System Research and Development Project, 1977-1984: A Review [PDF]

open access: yes
The JPL Electric and Hybrid Vehicle System Research and Development Project was established in the spring of 1977. Originally administered by the Energy Research and Development Administration (ERDA) and later by the Electric and Hybrid Vehicle Division ...
Kurtz, D., Roan, V.
core   +1 more source

A Unique Hybrid Propulsion System Design for Large Space Boosters [PDF]

open access: yes
A study was made of the application of hybrid rocket propulsion technology to large space boosters. Safety, reliability, cost, and performance comprised the evaluation criteria, in order of relative importance, for this study.
Rodgers, Frederick C.
core   +1 more source

Hybrid gas-electrical power & heavy duty propulsion: test platform [PDF]

open access: yes, 2018
This paper presents the results and discussion of an extensive set of tests of a hybrid generation system (gas-electric), to feed the electric motors which propel a small or medium vessel.
Bosch Tous, Ricardo   +3 more
core  

Selection of design parameters of a spacecraft electric propulsion engine ensuring the geostationary orbit raising mission

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
The problem of selecting suboptimal parameters of an electric propulsion system as part of a spacecraft, ensuring a geostationary orbit raising mission using a Soyuz-5 launch vehicle at the initial launch stage, is investigated. An expression is obtained
A. V. Kolesov, V. V. Salmin
doaj   +1 more source

Propulsion system research and development for electric and hybrid vehicles [PDF]

open access: yes
An approach to propulsion subsystem technology is presented. Various tests of component reliability are described to aid in the production of better quality vehicles.
Schwartz, H. J.
core   +1 more source

Methodology of the Hybrid Propulsion System (Dmp & Dep) for Trimaran Type Fast Patrol Boat [PDF]

open access: yes, 2011
There are lot of research done to develop a patrol boat, from the modification of hull model until propulsion system equipment. For example the model ship type AMV (Advanced Marine Vehicle) was developed starting from the Catamaran, Trimaran and ...
Wahyudi, D. (Dedy)   +1 more
core  

Hydrogen–electric–thermal coupling analysis and validation of superconducting turbo-electric hybrid propulsion system

open access: yesInternational Journal of Electrical Power & Energy Systems
The superconducting turbo-electric hybrid propulsion system (TEHPS) integrates superconducting technology and hydrogen energy technology, presenting a potential solution to achieve efficient and high-power propulsion.
Mingliang Bai   +4 more
doaj   +1 more source

Structural Configuration Analysis of Advanced Flight Vehicle Concepts with Distributed Hybrid-Electric Propulsion [PDF]

open access: yes
Structural configuration analysis of two advanced aircraft concepts with distributed hybrid-electric propulsion is presented. These concepts are characterized by multiple wing-mounted electric propulsors, which are powered by turbo-generators.
McMillin, Mark L.   +2 more
core   +1 more source

A Homotopy-Based Method for Optimization of Hybrid High-Low Thrust Trajectories [PDF]

open access: yes, 2014
Space missions require increasingly more efficient trajectories to provide payload transport and mission goals by means of lowest fuel consumption, a strategic mission design key-point.
Ceriotti, Matteo, Sullo, Nicola
core  

NASA Electric Aircraft Testbed (NEAT) Single-Aisle Transport Air Vehicle Hybrid Electric Tail-Cone Thruster Powertrain Configuration and Test Results [PDF]

open access: yes
A key technical challenge is to establish a viable concept for a MW-class hybrid gas-electric propulsion system for a commercial transport aircraft. This includes developing aircraft propulsion system conceptual designs, integrating sub-systems, high ...
Dyson, Rodger W.
core   +1 more source

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