Results 21 to 30 of about 14,705 (224)

Study of fuel cell powerplant with heat recovery [PDF]

open access: yes
It was shown that heat can be recovered from fuel cell power plants by replacing the air-cooled heat exchangers in present designs with units which transfer the heat to the integrated utility system.
Clausi, J. V.   +2 more
core   +1 more source

FAA certification requirements for future fuels, fuel systems and powerplants [PDF]

open access: yes, 1983
The current FAA procedures for approving fuels, along with a comment or two as to what might be done relative to assuring the safety of using these alternative fuels, whatever they may be are ...
Horeff, T. C.
core   +1 more source

Technical and economic feasibility study of solar/fossil hybrid power systems [PDF]

open access: yes
Results show that new hybrid systems utilizing fossil fuel augmentation of solar energy can provide significant capital and energy cost benefits when compared with solar thermal systems requiring thermal storage. These benefits accrue from a reduction of
Bloomfield, H. S., Calogeras, J. E.
core   +1 more source

Speculations on future opportunities to evolve Brayton powerplants aboard the space station [PDF]

open access: yes
The Space Station provides a unique, low-risk environment in which to evolve new capabilities. In this way, the Space Station will grow in capacity, in its range of capabilities, and its economy of operation as a laboratory and as a center for space ...
English, Robert E.
core   +1 more source

Nuclear air cushion vehicles [PDF]

open access: yes
The state-of-the-art of the still-conceptual nuclear air cushion vehicle, particularly the nuclear powerplant is identified. Using mission studies and cost estimates, some of the advantages of nuclear power for large air cushion vehicles are described ...
Anderson, J. L.
core   +1 more source

Mercury in U.S. Coal - Abundance, Distribution, and Modes of Occurrence [PDF]

open access: yes
This paper discusses the environmental significance of mercury and its occurrence in U.S. coal beds as measured by the USGS's COALQUAL database. Useful diagrams and charts help explain mercury concentrations of in-ground coal by region, how mercury is ...
Linda Bragg   +2 more
core  

Aeroplane design study STOL airliner (A71). Part 2- detail design features [PDF]

open access: yes, 1972
This report is concerned with a description of the detail design features of the A71 project study. This aircraft is an airliner designed for operation off single 2000 ft long runways.
Howe, D.
core  

Investigating the Effects of Flue Gas Injection, Hot Water Distribution, and Fill Distribution on Natural Draft Wet Cooling Tower Performance [PDF]

open access: yes, 2020
Natural draft wet cooling towers (NDWCT) are a common method of heat removal in powerplants. This study employs a numerical cooling tower model developed by Eldredge, Benton & Hodgson (1997) to examine whether utilizing nonuniform water, fill profiles ...
Stapleton, John
core   +1 more source

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