ANALISIS TEGANGAN THERMAL DESAIN HEAT EXCHANGERTIPE SHELL AND TUBE PADA BINARY POWER PLANT BERKAPASITAS 100 KW DENGAN SOFTWARE FINITE ELEMEN ANALYSIS (FEA)

Ilham Dairany, 1015021040 (2014) ANALISIS TEGANGAN THERMAL DESAIN HEAT EXCHANGERTIPE SHELL AND TUBE PADA BINARY POWER PLANT BERKAPASITAS 100 KW DENGAN SOFTWARE FINITE ELEMEN ANALYSIS (FEA). Fakultas Teknik, Universitas Lampung.

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ABSTRAK ANALISIS TEGANGAN THERMAL DESAIN HEAT EXCHANGERTIPESHELL AND TUBEPADABINARY POWER PLANT BERKAPASITAS 100 KW DENGAN SOFTWAREFINITE ELEMEN ANALYSIS (FEA) OLEH ILHAM DAIRANY Heat exchangermerupakan suatu alat yang digunakan dalam sistem binary power plant .Salah satu heat exchanger yang paling umum digunakan dalam pembangkit ini adalah heat exchanger tipe shell and tube. Untuk meningkatkan ketelitian dan keamanan dalam desain heat exchanger maka perlu dilakukan analisis distribusi temperatur dan tegangan thermal yang terjadi pada setiap komponen heat exchanger dengan menggunakan software finite elemen analysis. Metode penelitian terdiri dari 4 tahap yaitu preprocessing, analysis, postpreprocessing dan optimalisasi pemodelan. Preprocessing terdiri dari 2 tahap yaitu pemodelan komponen heat exchanger menggunkan software solidwork dan meshing menggunakan solid 186. Selanjutnya analisis distribusi temperatur menggunakan fluent sedangkan untuk tegangan menggunakan analisis thermal stress. Berdasarkan simulasi tegangan dan optimalisasi pemodelan didapatkan besar tegangan maksimum pada komponen heat exchanger antara lain : shell 155 Mpa, tube 56 Mpa, rear head 61,4 Mpa, front head 83,4 Mpa, nozzle inlet 6,67 Mpa, nozzle outlet 113 Mpa dan buffle 73,6 Mpa. Kemudian hasil perbandingan tegangan izin material dengan tegangan maximum dari setiap komponen yaitu diatas safety factor yang digunakan yaitu 1,5 sehingga komponen heat exchanger ini termasuk dalam kategori aman. Kata kunci:heat exchanger, distribusi temperatur, tegangan thermal, software finite elemen analysis ABSTRACT THERMAL STRESS ANALYSIS OF HEAT EXCHANGER DESIGN SHELL AND TUBE TYPE IN BINARY POWER PLANT CAPACITY 100 KW BY USING FINITE ELEMENT ANALYSIS SOFTWARE (FEA) BY ILHAM DAIRANY Heat exchanger is a device used in a binary system of power plant.One of the most commonly used in this plant is the heat exchanger shell and tube type. To improve the accuracy and safety in the design of heat exchanger it is necessary to analyze the temperature distribution and thermal stress that occurs in every component of the heat exchanger using finite element analysis software. The research method consists of four stages: preprocessing, analysis,postpreprocessingand modeling optimization. Preprocessing consists of two stages, namely modeling heat exchanger component by using Solidwork and meshing with solid 186. Furthermore, the analysis of the temperature distribution by using fluent while for stressby using a thermal stress analysis. Based stress simulation and optimization modeling be obtained the maximum heat exchanger components, including: shell 155 MPa, 56 MPa tube, rear head 61.4 MPa, front head 83.4 MPa, 6.67 MPa inlet nozzle, nozzle outlet 113 MPa and baffle 73.6 MPa. Then the comparison result of allowable and maximum stress of each component that is above the safety factor used is 1.5.So the heat exchanger components are included in the safety category. Keywords: heat exchanger, the temperature distribution, thermal stress, finite element analysis software

Tipe Karya Ilmiah: Skripsi
Subyek: A General Works = Karya Karya Umum
A General Works = Karya Karya Umum > Karya Karya Umum = 000
Program Studi: Fakultas Teknik > Prodi Teknik Mesin
Depositing User: 2140941 . Digilib
Date Deposited: 15 Dec 2014 02:27
Last Modified: 15 Dec 2014 02:27
URI: http://digilib.unila.ac.id/id/eprint/5775

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