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Zhang, H.Z., Han, Z.W., Yang, L.Y., Yuan, J.W., Cheng, X.L., Ji, M.Z. and Li, G. (2020) Analysis of Influence of the Length of Ground Heat Exchangers on the Operation Characteristics and Economy of Ground Source Heat Pumps. Energy and Built Environment, 2, 127-136.
https://doi.org/10.1016/j.enbenv.2020.09.003

has been cited by the following article:

• TITLE: Steady-State Modeling of Heat Transfer on the Recovery System of Condensing Boiler

  AUTHORS: Joachim Ntonda, Frederic Lontsi, Francois Njock Bayock

  KEYWORDS: Heat Recovery, Steady-State, Numerical Discrete Model

  JOURNAL NAME: Journal of Power and Energy Engineering, Vol.9 No.7, July 20, 2021

  ABSTRACT: The increase of energy production is very important nowadays. It is necessary to improve the performance and efficiency of heat production facilities. The objective is to reduce pollutant emissions and regulate investment costs. One of the solutions is to control fuel and electricity consumption. This article develops a new model of simulation heat diffusion on the recovery system of condensing boiler. The method is based on the first and second thermodynamic systems. The Numerical discrete Model (NDM) was applied using MATLAB to simulate different characteristics of heat transfer in the recovery system. The result shows that the recovery unit can absorb the following temperatures; the range from 88°C to 90.7°C when the length of the tube is between respectively 110 and 111 m. the energy efficiency was between 0.55 and 0.57 which allowed confirming the model. This new model has some advantages such as; the use of an instantaneous calculation time. The heat recovered by the water tank can also serve as preheating different systems. One part of the heat recovered will be accumulated to be used as domestic hot water.