Results 41 to 50 of about 7,427 (211)

Dual Base Swirl Injector Design for Increasing Specific Impluse in a Liquid-Fuel Rocket Engine [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2009
Optimized injectors spray and consequently their proper fluid distribution is one of the most important factors determining the thrust force and combustion stability.
F. Ommi, A. Kargar, S. M. Hosseinalipour
doaj  

An Experimental Study on Combustion Dynamics and NOx Emission of a Swirl Stabilized Combustor with Secondary Fuel Injection

open access: yesJournal of Thermal Science and Technology, 2010
To investigate the effects of flow rate, diameter and offset of secondary fuel injection on combustor noise level, pressure fluctuation and NOx emission, four types of injectors were examined in a swirl-stabilized combustor for overall equivalence ratio (
Rouzbeh RIAZI   +4 more
doaj   +1 more source

Model kejayaan utama amalan terbaik pengurusan penyenggaraan bangunan warisan di Malaysia [PDF]

open access: yes, 2013
Pendekatan penyenggaraan seringkali dianggap sebagai aktiviti yang remeh sehinggakan dalam praktis semasa, pendekatan ini tidak dapat menarik perhatian kebanyakkan golongan berpengetahuan dan berkemahiran.
Abdul Rahman, Mohammad Ashraf
core  

Particle-laden weakly swirling free jets: Measurements and predictions [PDF]

open access: yes
A theoretical and experimental investigation of particle-laden, weakly swirling, turbulent free jets was conducted. Glass particles, having a Sauter mean diameter of 39 microns with a standard deviation of 15 microns, were used. A single loading ratio of
Cosman A.D..   +10 more
core   +2 more sources

Geometrical characterization and performance optimization of monopropellant thruster injector

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2012
The function of the injector in a monopropellant thruster is to atomize the liquid hydrazine and to distribute it over the catalyst bed as uniformly as possible. A second objective is to place the maximum amount of catalyst in contact with the propellant
T.R. Nada, A.A. Hashem
doaj   +1 more source

Development of low liquid fuel Burnera [PDF]

open access: yes, 2005
Recently, most of the gas turbine combustion research and development involves in lowering the emissions emitted from the combustor. Emission causes adverse affect to the world and mankind especially. Main concern of the present work is to reduce the NOx
Azeman, Mustafa   +6 more
core  

A study on schedule management for BIM projects in the construction industry [PDF]

open access: yes, 2018
There is an advance modelling tool that currently been pushed by the industry is BIM. BIM as known as Building Modelling Information is a computerized process that is used to design, understand and establish the key physical and functional characteristic
Ali, Roslinda   +2 more
core   +2 more sources

Experimental Study of the Swirling Oxidizer Flow in HTPB/N2O Hybrid Rocket Motor

open access: yesInternational Journal of Aerospace Engineering, 2017
Effects of swirling oxidizer flow on the performance of a HTPB/N2O Hybrid rocket motor were studied. A hybrid propulsion laboratory has been developed, to characterize internal ballistics characteristics of swirl flow hybrid motors and to define the ...
Mohammad Mahdi Heydari   +1 more
doaj   +1 more source

URANS Simulation of Self-Recirculation Casing Treatment in a Transonic Compressor [PDF]

open access: yesJournal of Applied Fluid Mechanics
Time-accurate numerical calculations are performed to investigate the effect of air recirculation on NASA Rotor 37. An annular casing-mounted recirculation passageway is designed and located over the blades.
M. J. Shahriyari, H. Khaleghi
doaj   +1 more source

Effect of Hydrophilicity/Hydrophobicity of the Injector Wall on Atomization Performance

open access: yesInternational Journal of Aerospace Engineering, 2022
Hydrophilicity/hydrophobicity is a common physical property of the material. Water droplets roll on lotus leaf, and a lot of dust and dirt on the surface of the lotus leaf will be taken away, playing a certain cleaning role.
Xiaoyu Zhang   +3 more
doaj   +1 more source

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