Skip to search form
Skip to main content
Skip to account menu
Semantic Scholar
Semantic Scholar's Logo
Search 225,425,512 papers from all fields of science
Search
Sign In
Create Free Account
Pound-Force
Known as:
lbf
, pound force
A traditional unit of force defined as a force that produces an acceleration equal to the acceleration of gravity when acting on a mass of one pound…
Expand
National Institutes of Health
Create Alert
Alert
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2015
2015
The Effect of Drilling Mud Density on Penetration Rate
Inyang
,
Iheaka
2015
Corpus ID: 212584265
Drilling is an important part of the oil industry and penetration rate must be enhanced to ensure speedy completion of drilling…
Expand
2012
2012
NOFBX™ single stage to Orbit Mars Ascent Vehicle
G. Mungas
,
D. Fisher
,
J. Vozoff
,
Marco Villa
IEEE Aerospace Conference
2012
Corpus ID: 46522522
Nitrous Oxide Fuel Blend (NOFBX™) is a nitrous-oxide-based mono-propulsion technology developed specifically for a Mars Ascent…
Expand
2010
2010
Design, build and test of an axial flow hydrokinetic turbine with fatigue analysis
J. Ketcham
2010
Corpus ID: 107065124
Abstract : OpenProp is an open source propeller and turbine design and analysis code that has been in development since 2007 by…
Expand
2007
2007
Mechanistic Analyses of FHWA's Accelerated Loading Facility Pavements
G. Al-Khateeb
,
N. Gibson
,
X. Qi
2007
Corpus ID: 53446273
In-depth details are provided for mechanistic analyses conducted for the asphalt pavements of the FHWA accelerated loading…
Expand
2005
2005
MAGNETIC BEARING ACTUATOR DESIGN FOR A GAS EXPANDER GENERATOR
A. Filatov
,
P. Mcmullen
,
L. Hawkins
,
Eric J. Blumber
2005
Corpus ID: 156052593
A magnetic bearing system for a high-speed cryogenic gas expander generator is presented. The expander represents a new class of…
Expand
2004
2004
Development of imprint materials for the Step and Flash Imprint Lithography process
Frank Y. Xu
,
N. Stacey
,
+9 authors
N. Schumaker
SPIE Advanced Lithography
2004
Corpus ID: 135711458
The Step and Flash Imprint Lithography (S-FILTM) process is a step and repeat nano-replication technique based on UV curable low…
Expand
2004
2004
Design and Fabrication of a Collective and Cyclic Pitch Propeller
T. Humphrey
,
N. Bose
,
C. Williams
,
Michael Snow
Day 2 Sat, August 07,
2004
Corpus ID: 109678006
Helicopters achieve three-dimensional flight using a rotor capable of both collective and cyclic pitch. It was proposed that this…
Expand
2003
2003
The Flow Characteristics of Fly Ash Slurry for Plugging Abandoned Wells Using Coiled Tubing
Subhash N. Shah
,
Y. Jeong
2003
Corpus ID: 55849790
The utilization of fly ash has been researched widely in recent years because of the environmental and economical concerns. The…
Expand
1999
1999
Microbeads as Lubricant in Drilling Muds Using a Modified Lubricity Tester
P. Skalle
,
K. R. Backe
,
S. Lyomov
,
L. Kilaas
,
A. Dyrli
,
J. Sveen
1999
Corpus ID: 56528411
Particles like barite and cuttings influence the friction properties of a mud. The standard API lubricity tester, however, cannot…
Expand
1976
1976
FIELD TESTING OF A REINFORCED CONCRETE HIGHWAY BRIDGE TO COLLAPSE
J. Jorgenson
,
Wayne Larson
1976
Corpus ID: 107198200
A three-span reinforced concrete slab bridge was loaded to collapse. The slab was 9.75 m (32 ft) wide and 30.5 cm (12 in) thick…
Expand
By clicking accept or continuing to use the site, you agree to the terms outlined in our
Privacy Policy
(opens in a new tab)
,
Terms of Service
(opens in a new tab)
, and
Dataset License
(opens in a new tab)
ACCEPT & CONTINUE