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- Title
A simple way to determine the two asymptotic Nusselt number expressions for in-tube, laminar forced convective flows employing the method of lines.
- Authors
Campo, Antonio; Amón, Cristina H.
- Abstract
The principal goal of this educational article is to present an alternative simple way for the determination of the two asymptotic Nusselt number subdistributions for laminar forced convection tube flows subjected to a uniform surface temperature. Under the assumption of developed velocity and developing temperature, the generalized method of lines (MOL) has been adopted here because it is a powerful computational technique that facilitates the determination of the two asymptotic temperature solutions (one for x → 0 and the other for x → ∞). The semianalytic solution method, MOL, is quite different and possesses unique features that distinguish it from other standard solution methods used in the past. The two asymptotic Nusselt number subdistributions, <OVBAR>Nu</OVBAR>x→0 and <OVBAR>Nu</OVBAR>x→∞, blend themselves into an approximate Nusselt number distribution of high quality. The unprecedented ease of the computational procedure, along with its adequate results, has proved to be a valuable instructional technique in undergraduate courses on heat transfer. © 1998 John Wiley & Sons, Inc. Comput Appl Eng Educ 6: 79–87, 1998
- Subjects
ENGINEERING education; NUSSELT number; ASYMPTOTIC expansions; LAMINAR flow; THERMODYNAMICS
- Publication
Computer Applications in Engineering Education, 1998, Vol 6, Issue 2, p79
- ISSN
1061-3773
- Publication type
Article
- DOI
10.1002/(SICI)1099-0542(1998)6:2<79::AID-CAE3>3.0.CO;2-X