Procházení EÚ-odbor termomechaniky a techniky prostředí dle data publikování
Zobrazují se záznamy 1-20 z 34
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A parametric study of influence of material properties on car cabin environment
(EDP Sciences, 2014-03-25)Recently the author presented the paper describing a car cabin heat load model for the prediction of the car cabin environment. The model allowed to simulate a transient behavior of the car cabin, i.e. radiant ... -
Performance of Twin-Fluid Atomizers for Atomization of Viscous Solutions
(EDP Sciences, 2014-11-18)The article compares the performace of two twin-fluid atomizers with different desing and fluid mixing principles for atomiyation of viscous liquids. -
Study of airflow in the trachea of idealized model of human tracheobronchial airways during breathing cycle
(EDP Sciences, 2014-11-18)Article deals with numerical simulations and its verification by experiments in trachea of idealized geometry of tracheobronchial airways by using unsteady RANS approach. Respiratory cycle was simulated by sinusoidal ... -
Twin-fluid atomization of viscous liquids: The effect of atomizer construction on breakup process, spray stability and droplet size
(Elsevier, 2015-08-25)This study focuses on the low-pressure spraying of viscous liquids ( = 60, 147 and 308 mPa s) using four types of internal-mixing twin-fluid atomizers. -
Spray characteristics and liquid distribution of multi-hole effervescent atomisers for industrial burners
(Elsevier, 2016-03-05)The present paper provides an experimental study and optimization of multi-hole effervescent atomizers for industrial burners using oil-based fossil, bio- or waste fuels with prospects of emission reduction. Several ... -
The influence of spill-line geometry on a spray generated by a pressure-swirl atomizer
(EDP Sciences, 2016-03-28)An experimental investigation of characteristics of spray generated by a pressure-swirl atomizer (spill-return type) was performed using shadowgraphy and Phase-Doppler Anemometry (PDA). Several different geometries of the ... -
Experimental verification of boundary conditions for numerical simulation of airflow in a benchmark ventilation channel
(EDP Sciences, 2016-03-28)Correct definition of boundary conditions is crucial for the appropriate simulation of a flow. It is a common practice that simulation of sufficiently long upstream entrance section is performed instead of experimental ... -
An accuracy analysis of the front tracking method and interface capturing methods for the solution of heat transfer problems with phase changes
(IOP Publishing, 2016-06-19)Materials undergoing a phase change have a number of applications in practice and engineering. Computer simulation tools are often used for investigation of such heat transfer problems with phase changes since they are ... -
Prediction of localized aerosol deposition in a realistic replica of human airways using experimental data and numerical simulation
(EDP Sciences, 2016-11-15)The presence of aerosol deposition hot-spots in human airways presumably contributes to development of various diseases. The overall aerosol deposition in human lungs can be predicted with sufficient accuracy nowadays. ... -
Comparison of turbulent models in the case of a constricted tube
(EDP Sciences, 2016-11-15)The validation of a proper solution is an indispensable phase of every numerical simulation. Nowadays, many turbulent models are available, whose application leads to slightly different solution of flow behaviour depending ... -
Measurement of an electronic cigarette aerosol size distribution during a puff
(EDP SCIENCES, 2017-05-12)Electronic cigarettes (e-cigarettes) have become very popular recently because they are marketed as a healthier alternative to tobacco smoking and as a useful tool to smoking cessation. E-cigarettes use a heating element ... -
Influence of operating conditions and atomizer design on circumferential liquid distribution from small pressure-swirl atomizer
(EDP Sciences, 2017-05-12)The spray symmetry is an important aspect in most practical applications. However, it is often an overlooked parameter. A measurement of circumferential distribution was carried out by a circular-sectored vessel on several ... -
Optimal design of structure in rheological models: an automotive application to dampers with high viscosity silicone fluids
(JVE International, 2017-10-09)Dynamic torsional vibration dampers are for a long time inherent integral components of internal combustion engines. One of the most common types of the dynamic dampers is a silicone damper. It has been, for many years, ... -
Air–liquid interactions in a pressure-swirl spray
(Elsevier, 2018-01-02)The energy transfer between a liquid hollow cone spray and the surrounding air has been studied using both imaging and phase-Doppler techniques. The spray was produced by a pressure-swirl atomizer discharging Jet A-1 fuel ... -
Internal flow and air core dynamics in Simplex and Spill-return pressure-swirl atomizers
(Elsevier, 2018-08-01)Spill-return (SR) atomizers enhance the construction of Simplex atomizers by addition of a passage in the rear wall of the swirl chamber through which the liquid can be spilled away. It allows to discharge the liquid always ... -
Lagrangian tracking of fibres in a channel flow
(EDP Sciences, 2018-11-13)Tracking of fibres in a fluid flow is much more complicated than tracking of spherical particles. In fibre motion, the orientation of fibre against the flow direction plays a very important role. In addition to the standard ... -
Investigation of the velocity field downstream of a benchmark vent using numerical simulation and hot-wire anemometry
(EDP Sciences, 2018-11-14)The velocity field in the area behind the automotive vent was measured by hot-wire anenemometry in detail and intensity of turbulence was calculated. Numerical simulation of the same flow field was performed using Computational ... -
High Quality Steel Casting by Using Advanced Mathematical Methods
(MDPI, 2018-12-04)The main concept of this paper is to utilize advanced numerical modelling techniques with self-regulation algorithm in order to reach optimal casting conditions for real-time casting control. Fully 3-D macro-solidification ... -
Effect of nanoparticles concentration on the characteristics of nanofluid sprays for cooling applications
(Springer, 2019-03-01)This study addresses the effect of nanofluid synthesis on the rheological properties of the resulting fluid and their consequent effect on the characteristics (size and velocity distribution of droplets, spray cone angle, ... -
Simulation of Airway Deposition of an Aerosol Drug in COPD Patients
(MDPI, 2019-04-01)Medical aerosols are key elements of current chronic obstructive pulmonary disease (COPD) therapy. Therapeutic effects are conditioned by the delivery of the right amount of medication to the right place within the airways, ...