CAPABILITY ASSESSMENT OF USUAL DESIGNING METHODS IN APPROXIMATING THE REQUIRED LENGTH OF AIR-EARTH HEAT EXCHANGERS FOR COOLING APPLICATION

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OMIDVAR AMIR; VADIEE AMIR; SHAYEGH IMAN

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:1 Page(s): 365-368

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Title

CAPABILITY ASSESSMENT OF USUAL DESIGNING METHODS IN APPROXIMATING THE REQUIRED LENGTH OF AIR-EARTH HEAT EXCHANGERS FOR COOLING APPLICATION

Author(s)

OMIDVAR AMIR | VADIEE AMIR | SHAYEGH IMAN | Issue Writer Certificate

Keywords

THERMAL SOIL SATURATIONQ1

EARTH-AIR HEAT EXCHANGERQ1

DESIGNQ1

COOLINGQ3

Abstract

In this study, the accuracy of steady and unsteady methods in predicting the required length of air-earth heat exchangers has been compared for COOLING application. Also, the impact of different conditions for inlet air temperature (constant, periodic and actual temperature) on unsteady methods has been studied. Results indicated that, steady model cannot provide correct estimation for the required length of channel. In addition, using unsteady method with constant inlet air temperature overestimates the required length of the channel, which can lead to economic and implementation challenges for project. However, using unsteady method with periodic inlet air temperature, allows the required length of the channel can be estimated with acceptable accuracy compared with real situation (unsteady model with actual inlet air temperature).

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References

بررسی سیستم سرمایش ترکیبی کانال زیرزمینی هوا و خنک کننده تبخیری مستقیم و ارزیابی عملکرد آن

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APA: Copy

OMIDVAR, AMIR, VADIEE, AMIR, & SHAYEGH, IMAN. (2016). CAPABILITY ASSESSMENT OF USUAL DESIGNING METHODS IN APPROXIMATING THE REQUIRED LENGTH OF AIR-EARTH HEAT EXCHANGERS FOR COOLING APPLICATION. MODARES MECHANICAL ENGINEERING, 16(1), 365-368. SID. https://sid.ir/paper/178462/en

Vancouver: Copy

OMIDVAR AMIR, VADIEE AMIR, SHAYEGH IMAN. CAPABILITY ASSESSMENT OF USUAL DESIGNING METHODS IN APPROXIMATING THE REQUIRED LENGTH OF AIR-EARTH HEAT EXCHANGERS FOR COOLING APPLICATION. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(1):365-368. Available from: https://sid.ir/paper/178462/en

IEEE: Copy

AMIR OMIDVAR, AMIR VADIEE, and IMAN SHAYEGH, “CAPABILITY ASSESSMENT OF USUAL DESIGNING METHODS IN APPROXIMATING THE REQUIRED LENGTH OF AIR-EARTH HEAT EXCHANGERS FOR COOLING APPLICATION,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 1, pp. 365–368, 2016, [Online]. Available: https://sid.ir/paper/178462/en

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