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Implementation of a new CTF method stability algorithm into EnergyPlus

Mun, Junghyon / Krarti, Moncef

Abstract This paper presents an application of a new stability condition for the conduction transfer function (CTF) method suitable for calculating thermal load attributed to heat conduction through building envelope surfaces. The stability condition is implemented and evaluated into to EnergyPlus, a whole-building energy simulation tool. In particular, the performance of the new stability condition is compared against the stability algorithm currently utilized in EnergyPlus for various wall construction configurations. The results of the comparative analysis indicate that the new stability condition is easier to implement, reduces the computational time, and expands the application range of the CTF method to heavy weight constructions when compared to the current stability algorithm of EnergyPlus.

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Implementation of a new CTF method stability algorithm into EnergyPlus

Mun, Junghyon / Krarti, Moncef

Abstract This paper presents an application of a new stability condition for the conduction transfer function (CTF) method suitable for calculating thermal load attributed to heat conduction through building envelope surfaces. The stability condition is implemented and evaluated into to EnergyPlus, a whole-building energy simulation tool. In particular, the performance of the new stability condition is compared against the stability algorithm currently utilized in EnergyPlus for various wall construction configurations. The results of the comparative analysis indicate that the new stability condition is easier to implement, reduces the computational time, and expands the application range of the CTF method to heavy weight constructions when compared to the current stability algorithm of EnergyPlus.

Implementation of a new CTF method stability algorithm into EnergyPlus

Mun, Junghyon / Krarti, Moncef

Abstract This paper presents an application of a new stability condition for the conduction transfer function (CTF) method suitable for calculating thermal load attributed to heat conduction through building envelope surfaces. The stability condition is implemented and evaluated into to EnergyPlus, a whole-building energy simulation tool. In particular, the performance of the new stability condition is compared against the stability algorithm currently utilized in EnergyPlus for various wall construction configurations. The results of the comparative analysis indicate that the new stability condition is easier to implement, reduces the computational time, and expands the application range of the CTF method to heavy weight constructions when compared to the current stability algorithm of EnergyPlus.

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Titel:

Implementation of a new CTF method stability algorithm into EnergyPlus

Beteiligte:

Mun, Junghyon (Autor:in) / Krarti, Moncef (Autor:in)

Erschienen in:

Building Simulation ; 8 ; 613-620

Erscheinungsdatum:

12.06.2015

Format / Umfang:

8 pages

ISSN:

1996-8744 , 1996-3599

DOI:

https://doi.org/10.1007/s12273-015-0237-4

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

conduction transfer function , stability condition , EnergyPlus Engineering , Building Construction , Engineering Thermodynamics, Heat and Mass Transfer , Atmospheric Protection/Air Quality Control/Air Pollution , Environmental Monitoring/Analysis

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