Studi Efek Pendinginan Evaporasi Dalam Cerobong Dengan Berbagai Jenis Distribusi Dan Sudut Penyemprotan Nozzle Menggunakan Computational Fluid Dynamic (CFD)

Utomo, Eko Budi and , Ir. Sarjito, MT, Ph.D (2017) Studi Efek Pendinginan Evaporasi Dalam Cerobong Dengan Berbagai Jenis Distribusi Dan Sudut Penyemprotan Nozzle Menggunakan Computational Fluid Dynamic (CFD). Diploma thesis, Universitas Muhammadiyah Surakarta.

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Abstract

The aim of this research is to study the effect of cooling to temperature distribution in evaporative cooling chimney with variation of distribution model in ansys and cone angle of nozzle. The addition of different types of relative humidity and air inlet temperature is also discussed. This research is approached by computational method using ansys simulation program. The diameter and the length of chimney are 1 metres and 1.5 metres , respectively. The initial temperature of chimney is 30 0C and the evaporating fluid is water with 10 0C. The entrance boundary condition is opening pressure and outlet pressure for boundary condition of the bottom of chimney. The types of distribution spray of ansys models are rosin rammler and discreate diameter distribution. The results of velocity profile, water vapour volume fraction and droplet trajectories were identical with the experiment result by St. George and Buchlin (1996) and the research result by Gant (2006). Theoretical calculation of outlet average temperature was taken and the result was equal with computational method result. The final result of outlet average temperature was 21.470C for nozzle BETE PJ32 with discreate diameter distribution type and 900 of cone angle. Keyword : evaporative cooling , nozzle , cone angle.

Item Type:	Karya ilmiah (Diploma)
Uncontrolled Keywords:	evaporative cooling , nozzle , cone angle.
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	EKO BUDI UTOMO
Date Deposited:	13 Nov 2017 09:27
Last Modified:	13 Nov 2017 09:27
URI:	http://eprints.ums.ac.id/id/eprint/57510

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