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Mathematical modelling of heat transfer in a greenhouse with surface soil heating system

Hud Volodymyr, Pinchuk Oleg, Martyniuk Petro, Gerasimov Ievgenii, Volk Pavlo

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2019

Vol. 28, No. 4

569--583

The use of low-temperature heat of industrial and natural origin for heating the soil in greenhouses allows practitioners to get very early vegetable and berry crops. The paper suggests a mathematical model of greenhouse heat exchange with a system of soil surface heating for substantiating the system structure and its efficiency in different conditions. The solution of the mathematical model was performed using the method of least squares in COMSOL Multiphysics software. The comparison of the results of experimental studies with the results of mathematical modelling revealed that the proposed mathematical model with a high degree of reliability allows predicting the thermal regime in greenhouses with surface soil heating using cover sleeves.