Results 101 to 110 of about 22,366 (236)

Barriers to the utilization of synthetic fuels for transportation [PDF]

The principal types of engines for transportation uses are reviewed and the specifications for conventional fuels are compared with specifications for synthetic fuels. Synfuel processes nearing the commercialization phase are reviewed.
Parker, H. W., Reilly, M. J.
core   +1 more source

Continuous coal processing method [PDF]

, 1980
A coal pump is provided in which solid coal is heated in the barrel of an extruder under pressure to a temperature at which the coal assumes plastic properties.
Ryason, P. R.
core   +1 more source

Outlook for alternative energy sources [PDF]

, 1980
Predictions are made concerning the development of alternative energy sources in the light of the present national energy situation. Particular emphasis is given to the impact of alternative fuels development on aviation fuels.
Card, M. E.
core   +1 more source

Direct coal liquefaction oil hydrogenation to produce high energy density fuel

Meitan kexue jishu
With the continuous development of supersonic aircraft, the demand for energy performance is also increasing. Traditional petroleum-based fuels are difficult to meet the requirements.
Aoqi WANG, Yurong LIU, Yingying JING, Xingbao WANG   +3 more
doaj   +1 more source

Analysis of Seepage Failure and Fluidization Mechanisms in Gas-Containing Tectonic Coal Outbursts

Applied Sciences
This study investigates the mechanisms of gas-containing tectonic coal outbursts by modeling tectonic coal and gas as analogous to soil and pore water.
Yan Xie, Feng Bi, Deyi Gao
doaj   +1 more source

Alternate aircraft fuels: Prospects and operational implications [PDF]

The potential use of coal-derived aviation fuels was assessed. The studies addressed the prices and thermal efficiencies associated with the production of coal-derived aviation kerosene, liquid methane and liquid hydrogen and the air terminal ...
Witcofski, R. D.
core   +1 more source

Droplets Evaporation Characteristics of Diesel from Direct and Indirect Coal Liquefaction and Their Blends

Shanghai Jiaotong Daxue xuebao
To study the evaporation characteristics of diesel from direct coal liquefaction (DDCL), diesel from indirect coal liquefaction (DICL), and their blended fuel droplets at different ambient temperatures (500, 600 and 700 ℃), a droplet evaporation test ...
SHEN Yukun, WANG Jigang, QIAO Xinqi
doaj   +1 more source

Sasol coal liquefaction

, 1979
The only major operating coal gasification/liquefaction plant is located at Sasolburg, South Africa. The plant was originally designed and built in the early-to-mid 1950's. It was based on the then state-of-the-art Lurgi gravitating bed gasification process and the Fisher-Tropsch process.
openaire   +1 more source

United States transportation fuel economics (1975 - 1995) [PDF]

The United States transportation fuel economics in terms of fuel resources options, processing alternatives, and attendant economics for the period 1975 to 1995 are evaluated. The U.S.
Alexander, A. D., III
core   +1 more source

Small-scale technologies for energy innovations: role and implication directions [PDF]

Energy innovations with sustainable fundamentals are needed to fulfill energy demands for the coming decades. This leads to a seeking process for new knowledge and technologies in order to create incremental and breakthrough energy innovations.
Knol, W.H.C.
core   +1 more source