Results 121 to 130 of about 12,827 (224)

Towards an optimised sputtered MoS2 lubricant film [PDF]

open access: yes
It is shown that the tribological quality of MoS2 lubricant films formed by magnetron sputtering is determined by the choice of sputtering conditions.
Roberts, E. W.
core   +1 more source

The changes of burning efficiency emission and power output of a diesel engine fueled by bioethanol – biodiesel-diesel oil mixtures [PDF]

open access: yes, 2006
The environmental pollution and the decrease of the oil based fuels are the greatest problems of the automotive-industry at the start of the 21st century.
Zöldy, Máté
core  

DRILLING FLUIDS DIFFERENTIAL STICKING TENDENCY DETERMINATION

open access: yesRudarsko-geološko-naftni Zbornik, 2005
Differential sticking is defined as stuck pipe caused by the differential pressure forces from an overbalanced mud column acting on the drillstring against filter cake deposited on a permeable formation.
Katarina Simon   +2 more
doaj  

BIODIESEL: WILL THERE BE ENOUGH? [PDF]

open access: yes
Resource /Energy Economics and Policy,
Campbell, John B.
core   +1 more source

Tribological behaviour of polyalphaolefins: wear and rolling contact fatigue tests [PDF]

open access: yes, 2001
Polyalphaolefin fluids are gaining rapid acceptance as high-performance lubricants and functional fluids because they have certain inherent, and highly desirable, characteristics relative to mineral oils.
Fernandez Rico, J.E.   +2 more
core  

Evaluation of Rheological and Lubrication Properties of Selected Alcohol Fuels

open access: yesEnergies
This article presents the results of a study on the rheological and lubricating properties of selected alcohol fuels. Methanol, ethanol, and 2-propanol are investigated, for which density, kinematic, and dynamic viscosity are determined at selected ...
Leszek Chybowski   +2 more
doaj   +1 more source

The Properties of Diesel Blends with Tire Pyrolysis Oil and Their Wear-Related Parameters

open access: yesEnergies
This research presents the impact of diesel blends with tire pyrolysis oil (TPO) as an additive for minimizing the wear and tear of engine components. This study investigates the blends of normative diesel oil with TPO content ranging from 5% m/m to 20 ...
Leszek Chybowski   +5 more
doaj   +1 more source

Self-lubricating coatings for high-temperature applications [PDF]

open access: yes
Solid lubricants with maximum temperature capabilities of about 1100 C are known. Unfortunately, none of the solid lubricants with the highest temperature capabilities are effective below 400 C.
Sliney, Harold E.
core   +1 more source

Review of periodical literature for 2024: 400–1100

open access: yes
The Economic History Review, Volume 79, Issue 1, Page 408-414, February 2026.
James Chetwood
wiley   +1 more source

High speed commercial transport fuels considerations and research needs [PDF]

open access: yes
NASA is currently evaluating the potential of incorporating High Speed Civil Transport (HSCT) aircraft in the commercial fleet in the beginning of the 21st century.
Lee, C. M., Niedzwiecki, R. W.
core   +1 more source

Home - About - Disclaimer - Privacy