Results 81 to 90 of about 330,322 (206)

Maxometers (peak wind speed anemometers) [PDF]

, 1973
An instrument for measuring peak wind speeds under severe environmental conditions is described, comprising an elongated cylinder housed in an outer casing.
Camp, D. W., Kaufman, J. W., Turner, R. E.   +2 more
core   +1 more source

Influence of flow confinement on the drag force on a static cylinder

, 2009
The influence of confinement on the drag force $F$ on a static cylinder in a viscous flow inside a rectangular slit of aperture $h_0$ has been investigated from experimental measurements and numerical simulations.
B. Semin, Faxen O. H., Guyon E., H. Auradou, Happel J., Hecht F., J. P. Hulin, Pino S. D., Wong B.   +8 more
core   +2 more sources

Investigation of The Effects of BD35 (Biodiesel/Diesel Blend) and Propanol Usage in Combustion Characteristics in A Dual Fuel Diesel Engine

Firat University Journal of Experimental and Computational Engineering
This study investigates the changes in the combustion characteristics of a diesel engine modified to operate in reactivity controlled compression ignition mode using propanol as low reactivity fuel and BD35 as high reactivity ...
Mutlu Okcu, Müjdat Fırat, Yasin Varol
doaj   +1 more source

Speed sensorless field oriented control of ac induction motor using model reference adaptive system [PDF]

, 2020
In order implement the vector control technique, the motor speed information is required. Incremental encoder, resolvers and tachogenerator, are used to reveal the speed.
Ismael, Ahmed Jameel
core  

Research on key influence parameters of low-temperature starting process of diesel engine [PDF]

Journal of Hebei University of Science and Technology
In order to achieve better starting performance of diesel engine in extreme low-temperature environment, the relevant parameters affecting the starting of diesel engine were researched.
Hairong ZHU, Kailun ZHANG, Xiaoyang LIU, Lin LI, Xu XIAO   +4 more
doaj   +1 more source

Eccentric Taylor-Couette Flow with orbital motion of the inner cylinder [PDF]

, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
3rd Micro and Nano Flows Conference (MNF2011), Christl, A, Egbers, C, Herzog, N   +3 more
core  

Two-watt, 4-Kelvin closed cycle refrigerator performance [PDF]

A 2-watt, 4-K helium refrigerator using the Gifford-McMahon/Joule Thomson cycle is described. The unit features a removable displacer cylinder and high-efficiency, low-pressure drop heat exchangers.
Britcliffe, M.
core   +1 more source

Comparison of SMAC, PISO, and iterative time-advancing schemes for unsteady flows [PDF]

Calculations of unsteady flows using a simplified marker and cell (SMAC), a pressure implicit splitting of operators (PSIO), and an iterative time advancing scheme (ITA) are presented.
Benson, Thomas J., Kim, Sang-Wook
core   +1 more source

High pressure viscosity measurement with falling body type viscometers [PDF]

, 2010
With the increasing number of applications of high pressure chemical and process technologies across a range of engineering fields, there is a corresponding growing interest in the need to measure accurately and reliably important rheological parameters.
Schaschke, Carl
core   +1 more source

Estimating surface temperature in forced convection nucleate boiling: A simplified method [PDF]

During a test program to investigate low-cycle thermal fatigue, 21 of 22 cylindrical test sections of a cylindrical rocket thrust chamber were thermally cycled to failure. Cylinder liners were fabricated from OFHC copper, Amzirc, and NARloy-Z.
Hendricks, R. C., Papell, S. S.
core   +1 more source