2018
DOI: 10.1051/e3sconf/20184600015
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Energy efficiency of ground-air heat exchanger in the ventilation and airconditioning systems

Abstract: In the article, analysis of heat exchangers, working together with air-conditioning system, are presented. For an object with known requirement to hot and cold, air heat exchanger (ground type) is designed. For that defined system, the energy analysis of heat exchanger's energy work in yearly cycle, including a work of air treatment with full (coolingdesiccation and heating of air in the summer, heating and moisturizing in the winter) and not quite full (cooling of air in the summer, heating of air in the wint… Show more

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Cited by 2 publications
(3 citation statements)
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“…Łuczak et al [92] analysed various configurations of EAHE of EAHE connected with an air conditioning system in Polish conditions using the Rehau company program for the selection of ground heat exchangers. Unit heat gain per internal surface area of EAHE during the heating period (from 1 September to 31 March) was 40.…”
Section: Performance Of Eahementioning
confidence: 99%
See 1 more Smart Citation
“…Łuczak et al [92] analysed various configurations of EAHE of EAHE connected with an air conditioning system in Polish conditions using the Rehau company program for the selection of ground heat exchangers. Unit heat gain per internal surface area of EAHE during the heating period (from 1 September to 31 March) was 40.…”
Section: Performance Of Eahementioning
confidence: 99%
“…In relation to the internal surface area of EAHE, the annual unit heat was −35.9 kWh/m 2 , −36.3 kWh/m 2 , −35.5 kWh/m 2 , −35.1 kWh/m 2 and −34.9 kWh/m 2 .Simulation study for Swedish conditions[24] with a 10 m long polyethylene pipe of 20 cm diameter, buried at 2 m resulted in the estimated annual energy saving at 525 kWh and 300 kWh for heating and cooling season, respectively. It means the average gain per unit surface area of EAHE at 83.6 kWh/m 2 and 47.8 kWh/m 2 .Łuczak et al[92] analysed various configurations of EAHE of EAHE connected with an air conditioning system in Polish conditions using the Rehau company program for the selection of ground heat exchangers. Unit heat gain per internal surface area of EAHE during the heating period (from 1 September to 31 March) was 40.7 kWh/m 2 , 35.2, kWh/m 2 , 34.2 kWh/m 2 , 34.1 kWh/m 2 for the Tichelmanns' system (200 mm diameter, 1330 m and 182 m long), for the meandering system (315 mm diameter and 120 m long) and for the ring system ((315 mm diameter and 120 m long), respectively.…”
mentioning
confidence: 99%
“…Łuczak et al [52] analysed various pipe layout systems of EAHE connected to an air conditioning system using the Rehau company tool for selection of ground heat exchangers. Authors provided input data for calculation, but they did not give the location of the considered object.…”
Section: Introductionmentioning
confidence: 99%