نتایج جستجو برای: 0308 and 0018
تعداد نتایج: 16827233 فیلتر نتایج به سال:
The influence of the wing root junction on laminar separation bubble forming suction surface a semispan NACA 0018 cantilevered from wind tunnel test section wall is studied using flow visualisations, particle image velocimetry and pressure measurements at chord Reynolds number 125 000 an angle attack 6 $^\circ$ . boundary layer upstream turbulent, spanwise extends well beyond thickness. Substan...
this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...
abstract birbery and corruption and other criminal and as such is one of social phenomena , and i can firmly say that society is protected and safe from harm , this is criminal . eache community is familiar with these crimes and the crime associated ( direct or indirect ) with the political economic , social , and cultural beliefs and religious issues , especially with the community . admitted...
this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...
increasing academic and professional language demands around the world are not a deniable fact. the purpose of this study was to investigate english language needs and communication needs of the chemistry students at master and ph.d. levels at the iranian universities. in this research, different methods were used including un-structured interview, structured interview, and two sets of question...
TITLE: Brain Vulnerability to Repeated Blast Overpressure and Polytrauma PRINCIPAL INVESTIGATOR: Joseph B. Long, Ph.D. CONTRACTING ORGANIZATION: The Geneva Foundation Tacoma, WA 98402 REPORT DATE: November 2013 TYPE OF REPORT: Final PREPARED FOR: U.S. Army Medical Research and Materiel Command Fort Detrick, Maryland 21702-5012 DISTRIBUTION STATEMENT: Approved for public release; distribution un...
In recent years, there has been an increased interest in the old NACA four-digit series when designing wind turbines or small aircraft. One of airfoils frequently used for this purpose is 0018 profile. However, since 1933, over 70 almost no new experimental studies profile have carried out to investigate its performance regime and medium Reynolds numbers as well various turbulence parameters. T...
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