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All Journal Jurnal Inovator International Journal Of Science, Technology & Management (IJSTM) JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Formosa Journal of Science and Technology (FJST) atech-i
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Journal : Jurnal Inovator

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Variasi Laju Aliran Air Panas Terhadap Efisiensi Dan Efektifitas Laju Perpindahan Panas Pada Alat Heat Exchanger Tipe Shell And Tube Dengan Aliran Searah Angga Bahri Pratama; Saragi, Jandri Fan HT; Al Qadry; Boangmanalu, Eka Putra Dairi; Sahat; Kadriadi; Fajri, Nural
Jurnal INOVATOR Vol. 6 No. 2 (2023): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/inovator.v6i2.252

Abstract

Heat exchanger merupakan suatu alat yang digunakan dalam proses perpindahan panas suatu fluida ke fluida lain tanpa adanya perpindahan massa dan dapat digunakan sebagai pemanas atau pendingin. Salah satu jenis heat exchanger yang sering digunakan dalam proses industri adalah shell and tube heat exchanger. Fokus penelitian ini adalah menghitung dan menganalisis efisiensi dan efektivitas laju perpindahan panas pada alat penukar panas tipe shell and tube dengan aliran searah. Metode pengumpulan data adalah pengamatan langsung terhadap alat, dengan selang waktu lima menit untuk setiap pengujian. Setelah dilakukan penelitian dan analisis, hasil penelitian ini menunjukkan bahwa pengaruh variasi aliran pada Vh = ±800 l/h, Vc = ±1000 l/h yang dibuat konstan pada tipe shell and tube, dapat disimpulkan semakin besar laju aliran panas maka semakin besar temperatur yang dihasilkan yaitu dengan temperatur 47.7°C, hal ini juga mempengaruhi waktu pengambilan data, dengan efisiensi yang diperoleh sebesar 146% dan efektifitas = 0.50.
Pengaruh Temperatur terhadap Kekuatan Impak Material Baja ST37 dengan Metode Charpy dan Izod Jandri Fan; Sahat; Al Qadry; Eka Putra Dairi Boangmanalu; Angga Bahri Pratama
Jurnal INOVATOR Vol. 6 No. 2 (2023): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/inovator.v6i2.254

Abstract

Impact Test can be interpreted as a test that measures the ability of a material to accept impact loads which are measured by the amount of energy required to break the specimen with a swing. The aim of this test is to determine the effect of temperature on the value of energy absorbed by the material and the impact value. The method used in this research is the experimental method, namely the method used to find the effect of temperature on the impact strength of charpy and izod. The results of the charpy and izod impact tests on ST37 Steel specimens prove that there is an influence of temperature on the charpy and izod impact tests. Where the higher the temperature, the higher the energy absorbed and the impact price. Conversely, the lower the temperature, the energy absorbed and the impact price will be lower. In the test results, the lowest energy absorbed in the charpy impact test was 76 J and 22 J in the izod impact test, while the highest energy absorbed in the charpy impact test was 245 J and 114 J in the izod impact test. The lowest impact price in the test was 0.1727 J/mm2 for the charpy impact test and 0.037 J/mm2 for the izod impact test, while the highest impact price in the test was 0.5568 J/mm2 for the charpy impact test and 0.19 J/mm2 for izod impact testing.
Co-Authors Al Qadry Angga Bahri Pratama Boangmanalu, Eka Putra Dairi Dairi Boangmanalu, Eka Putra Eka Putra Dairi Boangmanalu Fajri, Nural Franklin Taruyun Hudeardo Sinaga Jandri Fan Kadriadi Marslino Simanjuntak, Arion Naibaho, Winfrontstein Nelson Manurung Positron Saragi, Jandri Fan HT Sondang Beatrix Siahaan Suadi Zainal