Results 41 to 50 of about 9,291 (187)

Correction: Jung, W.; Chang, D. Deep Reinforcement Learning-Based Energy Management for Liquid Hydrogen-Fueled Hybrid Electric Ship Propulsion System. J. Mar. Sci. Eng. 2023, 11, 2007

Journal of Marine Science and Engineering
In the original publication [...]
Wongwan Jung, Daejun Chang
doaj   +1 more source

Hydrogen-fueled postal vehicle performance evaluation [PDF]

Fuel consumption, range, and emissions data were obtained while operating a hydrogen-fueled postal delivery vehicle over a defined Postal Service Driving Cycle and the 1975 Urban Driving Cycle.
Hall, R. A.
core   +1 more source

EMMI - Electric Solar Wind Sail Facilitated Manned Mars Initiative [PDF]

, 2015
The novel propellantless electric solar wind sail concept promises efficient low thrust transportation in the Solar System outside Earth's magnetosphere.
Janhunen, Pekka, Merikallio, Sini, Paton, Mark   +2 more
core   +1 more source

Lewis Research Center, Cleveland, Ohio [PDF]

NASA fact sheet on propulsion and electric power generation developments at Lewis Research Center, and Plum Brook research reactor ...

core   +1 more source

Overview of the Beta II Two-Stage-To-Orbit vehicle design [PDF]

A study of a near-term, low risk two-stage-to-orbit (TSTO) vehicle was undertaken. The goal of the study was to assess a fully reusable TSTO vehicle with horizontal takeoff and landing capability that could deliver 10,000 pounds to a 120 nm polar orbit ...
Plencner, Robert M.
core   +1 more source

Development of Hydrogen Fuel Cell Propulsion Technology for Ships [PDF]

Chinese Journal of Engineering Science, 2019
Zengshi Xu, Yuanting Peng
openaire   +1 more source

Performance of high-altitude, long-endurance, turboprop airplanes using conventional or cryogenic fuels [PDF]

An analytical study has been conducted to evaluate the potential endurance of remotely piloted, low speed, high altitude, long endurance airplanes designed with 1990 technology.
Koenig, R. W., Liu, G. C., Morris, C. E. K., Jr.   +2 more
core   +1 more source

Comparative study of electric power structure of hydrogen fuel cell electric propulsion ship system

Journal of Physics: Conference Series
Abstract Aiming at the problem of the applicability of active and semi-active structures of hybrid energy storage units to the complex working conditions of ships in the hydrogen fuel cell electric propulsion system of ships, a comparative study of such structures is carried out in terms of the control strategy, capacity design and ...
Huiyin Cai, Huiran Sui, Zhenyu Li, Wenbin Wu   +3 more
openaire   +1 more source

Nuclear thermal rockets using indigenous extraterrestrial propellants [PDF]

A preliminary examination of a concept for a Mars and outer solar system exploratory vehicle is presented. Propulsion is provided by utilizing a nuclear thermal reactor to heat a propellant volatile indigenous to the destination world to form a high ...
Zubrin, Robert M.
core   +1 more source

Study of LH2 fueled subsonic passenger transport aircraft [PDF]

The potential of using liquid hydrogen as fuel in subsonic transport aircraft was investigated to explore an expanded matrix of passenger aircraft sizes.
Brewer, G. D., Morris, R. E.
core   +1 more source