Journal ArticleDOI
Heat transfer enhancement by delta-wing vortex generators on a flat plate: Vortex interactions with the boundary layer
M. C. Gentry,Anthony M. Jacobi +1 more
TLDR
In this paper, the authors demonstrate a 50% to 60% enhancement of average heat and mass transfer for flow over a flat plate at low Reynolds numbers, using delta-wing vortex generators.About:
This article is published in Experimental Thermal and Fluid Science.The article was published on 1997-04-01. It has received 164 citations till now. The article focuses on the topics: Boundary layer & Boundary layer thickness.read more
Citations
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Journal ArticleDOI
Heat transfer enhancement in a tube using delta-winglet twisted tape inserts
TL;DR: In this paper, the influence of the oblique delta-winglet twisted tape (O-DWT) arrangement on thermal performance was investigated in a uniform wall heat flux tube.
Journal ArticleDOI
A comparative study on the air-side performance of wavy fin-and-tube heat exchanger with punched delta winglets in staggered and in-line arrangements
TL;DR: In this paper, the authors investigated the air-side heat transfer and fluid flow characteristics of a wavy fin-and-tube heat exchanger with delta winglets, and the three-dimensional simulations were performed with renormalization-group (RNG) k−− ǫ model to lay the foundation for the design of the high-performance heat exchange.
Journal ArticleDOI
An overview on heat transfer augmentation using vortex generators and nanofluids: Approaches and applications
TL;DR: In this article, the authors overview the early studies done in order to improve the performance of thermal systems with minimal pressure losses to derive systems with less negative impact on the environment and high level of energy economic.
Journal ArticleDOI
Numerical study of fluid flow and heat transfer in a flat-plate channel with longitudinal vortex generators by applying field synergy principle analysis
TL;DR: In this article, three dimensional numerical simulations are performed on laminar heat transfer and fluid flow characteristics of a flat-plate channel with longitudinal vortex generators (LVGs), and the effects of two different shaped LVGs, rectangular winglet pair (RWP) and delta winglet pairs (DWP) with two different configurations, common-flow-down (CFD) and commonflow-up (CFU), are studied.
Journal ArticleDOI
Enhanced heat transfer in a triangular ribbed channel with longitudinal vortex generators
TL;DR: In this article, the effects of combined ribs and winglet type vortex generators (WVGs) on forced convection heat transfer and friction loss behaviors for turbulent airflow through a constant heat flux channel are experimentally investigated.
References
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Book
Fundamentals of Heat and Mass Transfer
TL;DR: This paper introduced the physical effects underlying heat and mass transfer phenomena and developed methodologies for solving a variety of real-world problems, such as energy minimization, mass transfer, and energy maximization.
Journal ArticleDOI
Heat transfer surface enhancement through the use of longitudinal vortices: a review of recent progress
Anthony M. Jacobi,Ramesh K. Shah +1 more
TL;DR: A review of vortex-induced heat transfer enhancement can be found in this article, where the theoretical basis for the method is discussed and both active and passive implementations are reviewed, and the aim of this survey is to critically review recent progress and to identify research needs in the area of vortexinduced heat exchanger enhancement.
A concept of the vortex lift of sharp-edge delta wings based on a leading-edge-suction analogy
TL;DR: In this article, a concept for the calculation of the vortex lift of sharp-edge delta wings is presented and compared with experimental data, based on an analogy between vortex lift and the leading-edge suction associated with the potential flow about the leading edge.
Related Papers (5)
Heat transfer surface enhancement through the use of longitudinal vortices: a review of recent progress
Anthony M. Jacobi,Ramesh K. Shah +1 more