PENGARUH VARIASI SUDUT SERATED ANNULAR FIN TERHADAP PERFORMANSI PADA HEAT EXCHANGER MENGGUNAKAN COMPUTATIONAL FLUID DYNAMICS

Rafly Endria, Muhammad (2021) PENGARUH VARIASI SUDUT SERATED ANNULAR FIN TERHADAP PERFORMANSI PADA HEAT EXCHANGER MENGGUNAKAN COMPUTATIONAL FLUID DYNAMICS. Sarjana thesis, Universitas Brawijaya.

Abstract

Semakin berkembangnya ilmu pengetahuan berdampak pada dunia industry yang dimana banyak ditemukan instrumen-instrumen pelepas panas. Salah satunya adalah heat exchanger yang dilengkapi dengan sirip atau fin sebagai alat bantu penukar panas. Sirip atau fin merupakan perluasan permukaan perpindahan yang digunakan dalam intrumen penukar panas yang bertujuan untuk meningkatkan laju perpindahan panas. Tujuan penelitian ini adalah mencari konfigurasi paling baik pada performansi fin dengabn bentuk annular fin. Dalam penelitian ini ditambahkan variasi geometri yaitu penambahan serated pada sisi fin. Material yang diganakan adalah Alumunium 6061 dengan konveksi alami. Pada penelitian ini menggunakan metode CFD (computational fluid dynamics) menggunakan ANSYS Fluent. Keuntungan pada metode CFD ini didapat hasil simulasi yang akurat dengan biaya penelitian yang murah. Hasil simulasi berupa data temperatur yang menjadi dasar untuk menentukan efisiensi dan efektivitas dari tiap fin. Pada variasi penambahan serated terdapat kenaikan efisiensi kalor yang dilepas pada fin serta efektivitas pelepasan kalor pada fin yaitu yang paling tinggi ada pada variasi serated annular fin 5o, serated annular fin 10o, serated annular fin 15o dan yang terakhir annular fin. Pada efisiensi pelepasan kalo keseluruhan heat exchanger juga terjadi kenaikan yang paling besar adalah serated annular fin 5o, serated annular fin 10o, serated annular fin 15o dan yang terakhir annular fin.

English Abstract

The development of science has an impact on the industrial world where many heatreleasing instruments are found. One of them is a heat exchanger which is equipped with fins or fins as a heat exchanger. Finned tube heat exchanger is used as a heat transfer device from the fluid in the system exit pipe. Fins or fins are extensions of the transfer surface used in heat exchanger instruments that aim to increase the rate of heat transfer. Finned tube heat exchanger is used as a heat transfer device from the fluid in the system exit pipe. The purpose of this study was to find the best configuration for the performance of the fin with the annular fin shape. In this study, geometric variations were added, namely the addition of fiber on the fin side. The material used is Aluminum 6061 with natural convection. In this study using the CFD (computational fluid dynamics) method using ANSYS Fluent. The advantage of this CFD method is that accurate simulation results are obtained with low research costs. The simulation results are in the form of temperature data which is the basis for determining the efficiency and effectiveness of each fin. The data from the simulation results need to be verified by comparing the data from the simulation results with exact data or calculations using certain formulas. This is done so that the research data obtained are correct and accurate. In the variation of the addition of fiber, there is an increase in the efficiency of the heat released to the fin and the effectiveness of the heat release on the fin, which is the highest in the variation of the fibered annular fin 5o, the fiber annular fin 10o, the fiber annular fin 15o and finally the annular fin. In the overall heat exchanger heat release efficiency, the biggest increase is the fiber annular fin 5o, the fiber annular fin 10o, the annular fin fiber 15o and lastly the annular fin.

Other obstract

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Item Type:	Thesis (Sarjana)
Identification Number:	621.8
Uncontrolled Keywords:	efisiensi fin, efektivitas fin, annular fin, serated annular fin, surface extended, heat exchanger, computational fluid dynamics, steady state, konveksi natural, laminar, fin efficiency, fin effectiveness, annular fin, fibered annular fin, surface extended, heat exchanger, computational fluid dynamics, steady state, natural convection, laminar
Subjects:	600 Technology (Applied sciences) > 621 Applied physics > 621.8 Machine engineering
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	Unnamed user with email gaby
Date Deposited:	24 Oct 2021 02:23
Last Modified:	11 Oct 2024 01:08
URI:	http://repository.ub.ac.id/id/eprint/185703

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