نتایج جستجو برای: venturi tube
تعداد نتایج: 97161 فیلتر نتایج به سال:
1 Bacteriology Group, International Centre for Genetic Engineering & Biotechnology, Trieste, Italy 9 and 2 Plant Bacteriology Group, International Centre for Genetic Engineering & Biotechnology, 10 Biosafety Outstation, Ca’Tron, Treviso, Italy 11 12 13 14 Running title: Inter-kingdom signaling in Xanthomonas oryzae 15 16 17 18 Corresponding author: Vittorio Venturi, Bacteriology Group, Internat...
RATIONALE The rapid screening of volatile organic compounds (VOCs) by direct analysis has potential applications in the areas of food and flavour science. Currently, the technique of choice for VOC analysis is gas chromatography/mass spectrometry (GC/MS). However, the long chromatographic run times and elaborate sample preparation associated with this technique have led a movement towards direc...
In this study, a numerical simulation using the CFD software, FLUENT, has been conducted to examine the effect of various shapes of the venturi component sections in order to find the optimum venturi specifications to increase the EGR rate with minimum pressure loss at the part load operation range. The CFD results reveal that the venturi should be precisely optimized to introduce the required ...
Comparative Study on One-Dimensional Models for Particle Collection Efficiency of a Venturi Scrubber
A wet type filtered containment venting system of a nuclear power plant uses venturi scrubbers submerged in a water pool to enhance the efficiency of collecting particulate aerosols from a gas effluent discharged from a containment after severe accidents. This paper describes a comparative study of three typical one-dimensional semi-empirical models on their predictive capability for particle c...
The purpose of this paper is to find the optimal geometry of Venturi for the production of biodiesel by hydrodynamic cavitation. Intensive methods such as hydrodynamic cavitation eliminate the limitation of mass transfer in the transesterification reaction. In this paper, a venturi design was developed to create cavitation in biodiesel production. The most important property of ven...
Background and aims: Steel industry plays an important role in air pollution and particulate emissions released to the environment. The Venturi scrubber is one of the most important scrubbers and components at local exhaust ventilation which has a lot of application to control of the contaminants emissions to the atmosphere in the steel industry. On the other hand, the efficiency of this equipm...
BACKGROUND AND OBJECTIVES This study compared the rates of acute respiratory failure, reintubation, length of intensive care stay and mortality in patients in whom the non-invasive mechanical ventilation (NIMV) was applied instead of the routine venturi face mask (VM) application after a successful weaning. METHODS Following the approval of the hospital ethics committee, 62 patients who were ...
Various types of physical phenomena are experienced by the wind when it passes through a venturi tube system equipped with two open manometers filled water. Its theoretical studies lead to 3 equation speeds that unique. Experimental testing each type as measurement method is significant see suitability level concept fluid dynamics, precision level, and accuracy level. The research aims determin...
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