• modeling of foundation heat exchangers—comparison of numerical and analytical approaches

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1036
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     foundation heat exchangers (fhxs) are an alternative to more costly ground heat exchangers utilized in ground-source heat pump (gshp) systems serving detached or semi-detached houses. simulation models of fhx are needed for design and energy calculations. this paper looks at two approaches used for development of simulation models for fhx systems: a simplified analytical model and a detailed numerical model. the analytical model is based on superposition of line sources and sinks. the numerical model is a two-dimensional finite volume model implemented in the hvacsim+ environment. both the analytical and numerical models have been validated again experimental results from a test house located in oak ridge, tennessee. six geographically diverse locations are chosen for a parametric study; results of the two models are compared, and differences between the results are investigated.

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