NDLI: Determination of the controlling process in coupled heat and mass transfer

Content Provider	IEEE Xplore Digital Library
Author	Bell, B. Kakavas, T. Herold, K.E.
Copyright Year	1996
Description	Author affiliation: Center for Environ. Energy Eng., Maryland Univ., College Park, MD, USA (Bell, B.)
Abstract	The influence of noncondensable gases oil condensation is well known going back to Nusselt. The noncondensables tend to form a blanket around the cooled surface which can significantly slow condensation rates by introducing a controlling mass transfer resistance. The coupled heat and mass transfer process that results has a significant impact on the optimum design of compact condenser bundles. One of the questions that arises in analyzing such a coupled process is which of the two processes is controlling the overall transfer process? One way to quantify a solution to this problem is to take a thermodynamic perspective and to compute the entropy generation associated with each of the individual processes. Then, the process that contributes the largest entropy generation is viewed as the controlling process. The result of such a determination provides insight as to how to augment the overall transfer process. The approach taken in this study is to use available CFD (computational fluid dynamics) codes to formulate and solve the condenser problem to gain insight into the coupled process. The resulting temperature, velocity and concentration data can then be analyzed to determine the entropy generation associated with each of the processes. Results are presented for a series of simplified geometries that define the magnitude of the effects contributed by each of the transfer processes.
Starting Page	1483
Ending Page	1487
File Size	425963
Page Count	5
File Format	PDF
ISBN	0780335473
ISSN	10893547
DOI	10.1109/IECEC.1996.553947
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-08-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Weight control Temperature control Process control Entropy Surface resistance Computational fluid dynamics Gases Petroleum Heat transfer Thermodynamics
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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