[PDF] Top 20 Experimental study of aspect ratio effects on longitudinal vortex flow in mixed convection of air in a horizontal rectangular duct

... Considerable research has been carried out to explore various characteristics of the buoyancy induced longitudinal vortex rolls in the mixed con- vective flow thro[r] ... See full document

... Abstract--An experiment was carried out to investigate the buoyancy induced spatial and temporal flow transition and the associated heat transfer processes in a mixed c[r] ... See full document

... accuracy of all the information (the “Content”) contained in the publications on our ...purpose of the Content. Any opinions and views expressed in this publication are the opinions and ... See full document

... Abstrae~A combined flow visualization and conjugated heat transfer analysis was carried out to study the axial evolution of the buoyancy induced secondary vortex flow in a mixed[r] ... See full document

... Abstract-A three-dimensional unsteady numerical simulation was carried out to study the effects of Reynolds and Grashof numbers on the vortex flow structure and th[r] ... See full document

... the duct side, bottom, and inlet measured in the unit of duct ...is a rectangular duct 240 mm wide and 300 mm long with a gap width of 20 mm between the hot ... See full document

... Transfer, Mixed Convection, Vortex 1 Introduction At high buoyancy-to-inertia ratio frequently encountered in various heat transfer equipment, the buoyancy-driven secondary ... See full document

... Abstract Experimental flow visualization combined with transient temperature measurement are carried out here to explore the possible sta- bilization of the buoyancy drive vortex flow in ... See full document

... shown in Fig. 1. The open-loop mixed convection apparatus consists of three parts: wind tunnel, test sec- tion, and measuring bench for the velocity and tem- perature probes along with the ... See full document

... Department of Mechanical Engineering, National Chiao Tung University, Hsinchu, Taiwan 30010, ...received in revised form 6 May 2004 Abstract An experiment combining flow visualization and temperature ... See full document

... Department of Mechanical Engineering, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 30010, Taiwan Received 29 June 2000; received in revised form 6 July 2001 Abstract Combined ... See full document

... Abstract In this study an experimental flow visualization is carried out to investigate how the substrate inclination affects the buoyancy-induced return flow structure in mixed ... See full document

... Abstrae~Combined experimental flow visualization and three-dimensional unsteady numerical simulation were carried out to investigate the formation of the traveling transverse and [r] ... See full document

... Time records of the air temperature at selected roll centers (rc) and boundaries (lb and rb) showing the temporal oscillations in a (a) steady developing roll, (b) [r] ... See full document

... Department of Mechanical Engineering, National Chiao Tung University, Hsinchu, Taiwan 30010, ROC Received 29 January 2002; received in revised form 30 September 2002 Abstract In this study ... See full document

... has a cross section of 22.5 mm in height and 450 mm in width, providing an aspect ratio of A ¼ 20; and has a total length of 450 ...walls of ... See full document

... In a mixed convective flow through a bottom heated horizontal rectangulaJr duct, the buoyancy force is normal to the forced flow direction and usually steady longitudina[r] ... See full document

... The intermittent flow pattern for this case suggests that the increase of the roll number to a value greater than that of the aspect ratio is a characteristic [r] ... See full document

... Abstract--A three-dimensional unsteady numerical simulation was conducted to investigate the buoyancy induced vortex flow structures in a forced air flow through a bottom heated horizon[r] ... See full document

... aim of the study investigates flow reversal and heat transfer mechanisms of mixed convection in a three-dimensional vertical channel with a finite length under larger ... See full document