Karakteristik Distribusi Temperatur dan Pola Aliran Udara dalam Ruangan dengan Satu Unit AC Tipe Split dengan Variasi Kecepatan Udara Inlet Menggunakan Metode CFD

Nugroho, Bagus and , Marwan Effendy, ST., MT., Ph.D (2017) Karakteristik Distribusi Temperatur dan Pola Aliran Udara dalam Ruangan dengan Satu Unit AC Tipe Split dengan Variasi Kecepatan Udara Inlet Menggunakan Metode CFD. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

This study aims to predict the distribution of temperature and airflow patterns in a class room with dimension of 10.45 m x 8.1 m x 3.93 m due to the existence of an air conditioner. This study was realized by the measurements of air temperature inside the class room at several reference points will be used for validation and comparison. The measurement position was set at 1m height from the floor. The steady RANS simulation applied the k - epsilon turbulence model with three different structured mesh types up to 972,838 elements. The mesh type capable of producing simulation data closest to the temperature measurement data will be further developed to investigate indoor air circulation due to the effect of fan speed on the evaporator. Three fan speeds were varied at 3.16; 3.66; and 4.16 m/s. The results show that the finest mesh construction is able to produce prediction of simulation data with error rate up to 4.91%. In the investigation of the three different velocity conditions, air velocity influences the distribution of temperature and airflow patterns. As the air speed increases, the temperature distribution and airflow patterns are more evenly distributed throughout the class room.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Air Conditioner; Computational fluid dynamics; airflow patterns; airflow patterns.
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	BAGUS NUGROHO
Date Deposited:	13 Nov 2017 07:11
Last Modified:	13 Nov 2017 07:11
URI:	http://eprints.ums.ac.id/id/eprint/57467

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