Analisa Pengaruh Variasi Temperatur Udara Bebas diluar Ruangan Terhadap Kondisi Udara didalam Ruangan Pada Penggunaan 2 Unit AC Type Split dengan Mengguakan Metode Computational Fluid Dynamic (CFD)

Utomo, Tri Pramito and , Marwan Effendy, ST., MT., Ph.D. (2017) Analisa Pengaruh Variasi Temperatur Udara Bebas diluar Ruangan Terhadap Kondisi Udara didalam Ruangan Pada Penggunaan 2 Unit AC Type Split dengan Mengguakan Metode Computational Fluid Dynamic (CFD). Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

This research describes data prediction of air conditioning system indoors. The purpose of this research is to find out the effect of changes free air temperature towards air temperature condition inside cooling room. In this research, inside room with dimension 10,45m x 8,10m x 3,93m use 2 units AC split type located on the upper side of the room south side facing north as simulation object. There are two stages in this research with k-epsilon turbulence model. First, researcher validate the mesh by conducting a simulation with three kinds of mesh type structurally from mesh A with 149.328 elements, mesh B with 461.322 elements and mesh C with 971.209 elements. The second stage is adopting mesh which capable producing the most optimal data prediction in validating stage by comparing measurement data. The next level simulation conducted by varying free temperature on 20,6; 28,5 and 39,5 C. The finding showed that mesh validation is acceptable using mesh C with the element up to 971.209 with failure rate 3,72%. Along with the rising of free air temperature value, temperature on each point of air conditioner indoor also increasing.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Air Conditioner, Computational fluid dynamic, free air temperature
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	TRI PRAMITO UTOMO
Date Deposited:	13 Nov 2017 07:58
Last Modified:	13 Nov 2017 07:58
URI:	http://eprints.ums.ac.id/id/eprint/57586

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