Results 101 to 110 of about 10,285 (169)

Electromagnetic mixed convective flow of dusty hyperbolic tangent hybrid nanofluid over a stretching surface: A quadratic regression analysis using RSM

open access: yesInternational Journal of Thermofluids
This article investigates the flow dynamics of electrically conducting dusty hyperbolic tangent fluid over a stretching sheet with thermal radiation and heat source effects.
M V Varsha   +7 more
doaj   +1 more source

EHD analysis of and experiments on pumping Leningrader seals [PDF]

open access: yes
Analysis and design charts have been generated to provide design data for Pumping Leningrader Reciprocating Rod Seals. The analytical treatment divides the seal into three regions: an inlet zone, induced with the use of an expansion ring, a contact zone,
Eusepi, M. W., Walowit, J. A.
core   +1 more source

Cyclic Ovarian Hormone Modulation of Supraspinal Δ\u3csup\u3e9\u3c/sup\u3e-tetrahydrocannabinol-induced Antinociception and Cannabinoid Receptor Binding in the Female Rat [PDF]

open access: yes, 2014
Estrous cycle-related fluctuations in delta-9-tetrahydrocannabinol (THC)-induced antinociception have been observed in the rat. The aim of this study was to determine which major ovarian hormone modulates the antinociceptive effects of i.c.v.
Craft, Rebecca M.   +3 more
core   +1 more source

An expert system interfaced with a database system to perform troubleshooting of aircraft carrier piping systems [PDF]

open access: yes, 1988
Maintaining and troubleshooting aircraft carrier through tank piping systems is a labor intensive, operational fleet problem. There is a clear need for a useful database and expert system to aid in fault isolation and repair planning for these systems.
Boozer, Patsy R.   +1 more
core  

Research on Cavitation Characteristics of the Fluid Domain of the Single-Plunger Two-Dimensional Electro-Hydraulic Pump

open access: yesMachines
A single-plunger two-dimensional electro-hydraulic pump is an integrated unit in which a two-dimensional plunger pump is embedded inside the rotor of a permanent magnet synchronous motor, significantly improving the power density and power-to-weight ...
Xinguo Qiu, Jiahui Wang, Haodong Lu
doaj   +1 more source

Development of ZJ50/3150DB Moveable High-floor Artificial Island Rig

open access: yesShiyou jixie, 2016
In order to carry out cluster drilling operation in the narrow space of Yuedong Artificial Island B and make drilling rig operation and movement meet the requirements of trouble-free installation and avoidance for the pumping unit installed in the well ...
Li Quanxing   +6 more
doaj  

Analysis on End-face Temperature of High-speed Oil-Gas Two-Phase Backflow Pumping Seal

open access: yesIOP Conference Series: Materials Science and Engineering, 2019
S X Li, L Chen, H Li, S C Li, Q Z Li
openaire   +1 more source

Parameterised analysis of blade profiles within electric submersible pump for enhancing energy conversion efficiency

open access: yesEngineering Applications of Computational Fluid Mechanics
Electric submersible pumps (ESPs) are critical to the global energy sector, particularly in oil and gas production, where they are used to lift production fluids from deep reservoirs.
Hui Wang   +8 more
doaj   +1 more source

Measurements of Pressure Distributions and Force Coefficients in a Squeeze Film Damper. Part 2: Partially Sealed Configuration [PDF]

open access: yes, 1991
Experimental results from a partially sealed squeeze film damper (SFD) test rig, executing a circular centered orbit are presented and discussed. A serrated piston ring is installed at the damper exit.
Jung, S. Y.   +2 more
core   +1 more source

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