Results 101 to 110 of about 1,875 (255)

The biochemical, physiological, and metabolic evaluation of human subjects in a life support systems evaluator and on a liquid food diet Final report, 12 Jun. 1964 - 23 Feb. 1965 [PDF]

open access: yes
Biochemical, physiological, and metabolic analysis of subjects in life support system on liquid food diets during space environment ...
Homer, G. M.   +4 more
core   +1 more source

Human Perception of Diesel Engine Idle Vibration [PDF]

open access: yes, 2004
While the human perception of diesel engine noise has been the subject of numerous studies, the perception of the vibrational disturbance reaching the driver has not previously been investigated.
Ajovalasit, M, Giacomin, J
core  

Influence of a Conical Axial Injector on Hybrid Rocket Performance [PDF]

open access: yes, 2006
This paper analyzes the results obtained from a series of static firings of a lab-scaled hybrid rocket in which gaseous oxygen was supplied into axial-symmetric polyethylene cylindrical grains through two different injector configurations: an axial ...
CARMICINO, CARMINE, RUSSO, ANNAMARIA
core   +1 more source

Conventional engine technology. Volume 3: Comparisons and future potential [PDF]

open access: yes
The status of five conventional automobile engine technologies was assessed and the future potential for increasing fuel economy and reducing exhaust emission was discussed, using the 1980 EPA California emisions standards as a comparative basis. By 1986,
Dowdy, M. W.
core   +1 more source

ENERGY AND ENTROPY BALANCES IN A COMBUSTION CHAMBER: ANALYTICAL SOLUTION. [PDF]

open access: yes, 1983
An analytical solution of the energy and entropy balance equations for a combustible gas mixture contained in an open combustion chamber, for example of an internal combustion engine, is presented.
Beretta G.P., Keck J.C.
core   +1 more source

An experimental canine model for adult shunt infection [PDF]

open access: yes, 2008
Background Detailed human studies of the mechanisms and development of shunt infection in real time are not possible, and we have developed a canine hydrocephalus model to overcome this.
Roger Bayston   +6 more
core   +2 more sources

Experimental Evaluation of a Low Emissions High Performance Duct Burner for Variable Cycle Engines (VCE) [PDF]

open access: yes
An evaluation was conducted with a three stage Vorbix duct burner to determine the performance and emissions characteristics of the concept and to refine the configuration to provide acceptable durability and operational characteristics for its use in ...
Lohmann, R. P., Mador, R. J.
core   +1 more source

Experimental Investigation on Knock Characteristics from Pre-Chamber Gas Engine Fueled by Hydrogen

open access: yesEnergies
Hydrogen-fueled engines require large values of the excess air ratio in order to achieve high thermal efficiency. A low value of this coefficient promotes knocking combustion.
Ireneusz Pielecha   +2 more
doaj   +1 more source

Hydrothermal preparation of highly photoactive TiO2 nanoparticles [PDF]

open access: yes, 2006
TiO2 nanoparticles have been prepared by amine assisted sol–gel precipitation of Ti4+ aqueous solutions and further hydrothermal treatment. The effect of different starting acidic solution (nitric, chlorhydric and acetic acids) as well as the addition ...
Hidalgo, M.C.   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy