Abstract The computer program FZKPTR is written for the design of two-stage 4K pulse tube coolers. However, it can be modified easily for describing manifold configurations of simpler systems such as low and high frequency (2 to 60 Hz) single-stage coolers. The program also provides basic routines for inertance tube phase shifters. The executable file will run with very fast response on any personal computer. User-defined operational parameters, geometries, and materials of the components are entered in a clearly structured matrix. The standard output is an array of data such as time-averaged temperature, amplitude and phase angle of pressure and volume flow as well as heat and work flow at any position of the system. Auxiliary quantities such as thermal and viscous penetration depth, swing of matrix temperature and many others can also be listed and plotted. The code is based on the small amplitude thermoacoustic theory, but it is shown that reasonable results are also obtained for GM-type pulse tube coolers with rather high compression ratios. The input list has also provided empiric terms for adaptation of flow resistance and thermal conduction of any section. DC flows in both stages can be adjusted individually. Some examples for using the code will be given. The FZKPTR code will next become available to the public.


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    Titel :

    Numeric Code for the Design of Pulse Tube Coolers


    Beteiligte:
    Hofmann, A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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