3D Numerical Simulation of Heat Transfer for the Vertical U Type Berried Pipe of the Ground Source Heat Pump

Author:

Zhang Yang1,Qi Yong Feng1

Affiliation:

1. Yangzhou University

Abstract

Based on transient heat transfer theory and finite element method, a 3D finite element model was created to simulate the heat transfer of the vertical U type berried pipe of the ground source heat pump system. At the same time, the pipe algorithm applied successfully in the numerical simulation of concrete temperature field was introduced. The corresponding program was written. Taking the true experiment conditions as the input data and boundary condition of the computation model, the 3D dynamic simulation of the heat transfer between the berried pipe and sandy soil was carried out. The calculated temperatures of the output water of the pipe and the measure points in soil at different times met the experiment results very well, which verified the effectiveness and the reliability of the algorithm and the model. Beneficial exploration is made for providing more detailed and accurate data for the designer.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference6 articles.

1. L R Ingersoll, H J Plass. ASHVE Transactions, Vol. 47(1948), p.339.

2. V C Mei , S K Fischer. ASHRAE Trans , Vol. 89 (1983). p.391.

3. Z. H. Fang, N R Diao, H Y Zeng. Journal of Engineering Thermophysics, Vol. 25(2004). p.685.

4. J H Liu, W K Zhang, Z H Fang. Journal of Shandong Jianzhu University, Vol. 25(2010). p.95.

5. B F Zhu. The thermal stress and temperature control of mass concrete (China electric power press, Beijing, 1999).

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