Analysis of temperature changes under the condition of water circulation pipes at the bottom of landfills
In order to reduce the harm of temperature increase in landfills on the liner system,the temperature changes under the condi-tion of water circulation pipes at the bottom of the landfills were studied.A heat conduction mathematical model was established for the water circulation system,and an analytical solution was obtained.The correctness of the model and its solution was verified through com-parison with Comsol.Based on the analytical solution,the influence of the water circulation system on the temperature of the landfills liner system under different conditions was analyzed.Research shows,the temperature of the circulating water and heat transfer coeffi-cients have a significant impact on the cooling performance of the water circulation pipes;he water circulation pipes also affect the tem-perature of the surrounding soil above and below,with an influence range of about 4 m.
landfilltemperaturewater circulation pipeheat conduction modelliner system
NETL
NSTL
万方数据
