Convection in the Classroomby C. H. Treat, Trinity Univ, United States,
Abstract: By their nature, the empirical relations used to calculate convective heat transfer coefficients offer the user little or no insight into how the typical input parameters, e.g., pipe diameter or fluid velocity, influence the heat transfer process. To help combat this shortcoming the author has developed a series of spreadsheet programs which not only calculate the required heat transfer coefficient, h, and heat rate, q', based on a given set of input values but also produce graphs of h and q' for a wide range of the input parameters as well. Spreadsheets were chosen for this purpose because they are vastly simpler to learn and use than conventional computer languages and the production of graphs from the spreadsheet data is so easily accomplished.
Subject Headings: Heat transfer | Spreadsheets | Parameters (statistics) | Fluid velocity | Empirical equations | Pipelines | Computer languages
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