[PDF] Top 20 Numerical Study on Thermal and Flow Characteristics of Air in a Square Duct using Delta Wing Vortex Generators

... or delta wing vortex generators are frequently used to control the stream field and they can give a helpful impact on the thermal ...example, square, rectangular, trapezoidal, ... See full document

... the thermal performance of tube bundles without compromising the associated pressure drop, for effective designs of heat exchangers [8, ...analytical study of heat energy transfer in cross flow for a ... See full document

... transfer characteristics of air flow inside twisted square duct under uniform wall temperature conditions with twist ratio of ...turbulent flow regimes till Reynolds number of ... See full document

... rectangular duct by liquid crystal ...and flow attack angle of the baffled channel were ...optimal thermal performance for the channel with V-baffle is around ...on flow and heat transfer in a ... See full document

... inner flow of air in various test sections like circular, non circular channels triangular, rectangular, polygonal, square, trapezoidal ...etc. Square channels are considered keeping in order ... See full document

... The numerical results are compared with the previous experimental results and the validations of the grid system on both heat transfer and friction factor are also ...The vortex flows and the impinging jet ... See full document

... transfer characteristics of heat exchanger, heat exchanger as an important equipment widely used in day to day life, like in industry, home appliances, gas turbine, transportation, power production, in aircraft ... See full document

... over delta wing is highly unsteady event and produces abrupt changes on the flow variables causing severe structural aero elastic ...the vortex axis and radially outward expansion in the cross ... See full document

... winglet vortex generators were studied for Re = 350 – ...of flow attack angle and winglet high perform enlarge pressure ...on flow and heat transfer behaviors a micro-channel heat exchanger ... See full document

... The numerical investigation has been carried out on one wall of square duct to study the effect of influence of ribs upon thermal characteristics and fluid flow of ... See full document

... current study. The results are presented in terms of flow configuration, heat transfer behavior and thermal performance assessments and also compared with the smooth tube with no ...As ... See full document

... Various vortex generators; rib, baffle, winglet, ...The vortex generators can help to increase heat transfer rates and the thermal performance lead to a compact heat exchanger and save ... See full document

... The second configuration of delta wings also produced a 14% increase in the mean air turbulence intensity measure of the time-variability in air speed and reduced the variability of evap[r] ... See full document

... In this research, a FVM code was developed to investigate the effect of VGs on a hydrofoil. In the first case, a bare hydrofoil of NACA 0012 was modeled. So, its relevant coefficients of lift and drag were compared with ... See full document

... ventilation time and inlet airflow volume by floor and area (Fig.3). The results for both Case A and Case B are given as analysis values. Comparing the measured values and those of Case B (recreation of the ... See full document

... Outside i DuctInlet Flow Direction Dx/D Z -1.0 Locationof VGs mew AA D Ins X/ -A A Engine Face Figure 1.6: S-bend intake duct with detail view AA of the spacing angle avc the , B1 local [r] ... See full document

... The vortex core region is primarily centered at the aft section of the wing, but as the angle of attack rises this moves forward, due to the LERX section of the wing being angled downwards, which ... See full document

... This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium,[r] ... See full document

... double delta wing is designed in CATIA V5 and simulated in ANSYS Fluent with density based solver and SST k-ԝ to account for boundary layer ...double delta wing is designed in CATIA V5, which ... See full document

... The velocity vectors at an axial location of 0.866m for all the tubes are shown in Fig. 4. The tangential velocity in the plain tube (frame a) is almost zero and therefore makes the swirl near the wall to disappear and ... See full document