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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 46 (1974), S. 211-211 
    ISSN: 0009-286X
    Keywords: Wärmeübergang ; erzwungene ; Konvektion ; Rippenrohre ; Druckverlust ; Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 53 (1981), S. 942-950 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Modern procedures for calculation of radiational heat transfer in fueled tubular furnaces. The zone method due to Hottel, the Monte-Carlo method and the flux method are of great importance for the calculation of radiational heat transfer in combustion chambers, along with simple zero- to two-dimensional models. Only the first three methods can be used for three-dimensional problems. The zone method and the Monte-Carlo method are mathematically exact, while the flux method gives only approximate values. The radiational heat transfer to the pipes of a cracking furnace is calculated by a simple zero-dimensional zone method to show, for example, that simple models often also give reasonable results.
    Notes: Neben den einfachen null- bis zweidimensionalen Modellen zur Berechnung des Wärmeaustausches durch Strahlung in Feuerräumen haben vor allem die Zonemethode nach Hottel, die Monte-Carlo-Methode und die Flußmethode besondere Bedeutung erlangt. Alle drei Methoden eignen sich für dreidimensionale Verhältnisse. Dabei sind die beiden erstgenannten Verfahren als mathematisch exakt anzusehen, während die Flußmethode ein Näherungsverfahren ist. Am Beispiel eines Röhrenofens wird aber gezeigt, daß sich mit einer nulldimensionalen Methode in vielen Fällen der Wärmefluß durch Strahlung an die Rohrbündel mit ebenso guter Genauigkeit bestimmen läßt.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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