Numerical Investigation of the Concave-Cut Baffles Effect in Shell-and-Tube Heat Exchanger
Journal Title: Журнал інженерних наук - Year 2019, Vol 6, Issue 1
Abstract
In this paper, the performance of shell-and-tube heat exchangers with single-segmental baffle and varying configurations of concave-cut baffles (10, 15 and 20 %) was investigated. The study was carried out for a heat exchanger having either engine oil, water and air as shell-side fluid. For each configuration of the baffles, the results of both the the k-ε and RNG k-ε turbulent models were in very close agreement. The heat exchangers with concavecut baffles had higher pressure drops and lower performance factors than that of single-segmental baffle at the same range of mass flow rates for all fluid cases. Also, the concave-cut baffle heat exchangers had lower shell-side heat transfer coefficients at the same pressure drop against that of single-segmental baffles. Thus, the use of concave-cut baffles did not exhibit desirable performance in heat exchanger as compared with the segmental baffles.
Authors and Affiliations
M. O. Petinrin, A. A. Dare
Keywords
Related Articles
- EP ID EP627746
- DOI 10.21272/jes.2019.6(1).e1
- Views 86
- Downloads 0
Membrane Processes during the Regeneration of Galvanic Solution
The transfer through the cation exchange membrane of Cd2+ and Zn2+ cations present as impurities in chromium-containing galvanic solutions has studied. Methods for constructing current-voltage characteristics, scanning e...
Research of Working Process of Vortex Expansion Machine with Side Channel
At gas distribution stations, a large amount of energy of compressed gases is lost. In such cases, the useful power is obtained with the aid of a turboexpander. The problem is that there is a great need for turboexpander...
Analysis of the problem of forced landing of aircraft on water surface and methods of simulation of aircraft crews at aircraft accidents of this type
The article is devoted to an actual problem of emergency incidents of forced landing of aircraft on the water surface. The main content of the research is the analysis of statistical data and classification splashdown. T...
Influence of the Wall Thickness Value on the Cross Wall Thickness Deviation of Tubes Rolled on the Tube Rolling Plant with the Continuous Mill
The high requirements as to accuracy of the wall thickness are due not only to necessity of assuring the reliability and serviceability of equipment, but also to the trend towards the continuous decrease of metal capacit...
Visual object-oriented technology and case-tools of developing the Internet / Intranet-oriented training courses
New information technologies, modern computers, LAN, WAN networks enable us to modernize the whole education system. One of the most perspective ways of the modern educational system’s development is online education. Th...