PRATAMA, LAGA ARIF (2020) RANCANG BANGUN ALAT BANTU UNTUK MENGUKUR KEBOCORAN TEKANAN UDARA PADA KABIN PESAWAT BOEING 737-800. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
Periodic maintenance or periodic inspections of Boeing 737-800 aircraft are carried out with the time determined by the aircraft manufacturer, whether they are determined based on time, cycle and mandatory maintenance. For example cabin pressure leak test. This becomes an important factor because the impact of measuring or checking for leakage of incorrect air pressure is very dangerous in terms of the safety aspects for crew and passengers. From these problems becomes an idea of making a tool for measuring air pressure leaks in aircraft cabins by utilizing components such as the BMP180 Pressure Sensor, Arduino Uno, RTC DS3231 and SDCard Modules which can facilitate the testing process. Tools that are able to convince aircraft technicians of the results of the process of measuring air pressure leaks in the aircraft cabin have become a solution to the anxiety of technicians and speed up the process of repairs or regular maintenance on Boeing 737-800 aircraft. With this tool, the value of the pressure difference can be compared between the differential pressure indicator on the plane and the screen display on the tool with an error value of 1.545%. And the value of the pressure at the end of the calculation of 100 seconds is equal to> 2.5 Psi in accordance with the minimum limit in the guidelines for checking air pressure leaks in the Aircraft Maintenance Manual Chapter 05 Boeing 737-800. Keywords: Cabin Pressure Leak Test, Barometric Pressure, Differential Pressure Perawatan berkala atau inspeksi berkala pada pesawat Boeing 737-800 dilaksanakan dengan waktu yang telah ditentukan oleh pabrik pembuat pesawat, baik itu ditentukan berdasarkan waktu, cycle dan perawatan yang bersifat mandatory. Begitupun dengan cabin pressure leak test. Hal ini menjadi faktor penting karena dampak dari pengukuran atau pengecekkan kebocoran tekanan udara yang tidak benar sangat berbahaya ditinjau dari aspek keselamatan crew dan penumpang. Dari permasalahan tersebut timbul gagasan untuk membuat alat bantu pengukuran kebocoran tekanan udara pada kabin pesawat dengan memanfaatkan komponen seperti Sensor tekanan BMP180, Arduino Uno, RTC DS3231 dan Modul SDCard yang dapat mempermudah dalam melakukan proses pengetesan. Alat yang mampu meyakinkan teknisi pesawat akan hasil dari proses pengukuran kebocoran tekanan udara pada kabin pesawat telah menjadi solusi bagi keresahan teknisi dan mempercepat proses perbaikan ataupun perawatan berkala pada pesawat Boeing 737- 800. Dengan alat ini, nilai perbedaan tekanan dapat dibandingkan antara indikator differential pressure di pesawat dan tampilan layar pada alat dengan nilai error sebesar 1.545 %. Dan nilai tekanan pada hasil akhir perhitungan 100 detik yaitu sebesar > 2.5 Psi sesuai dengan batas minimum pada panduan pengecekkan kebocoran tekanan udara didalam Aircraft Maintenance Manual Chapter 05 Boeing 737-800. Kata Kunci : Cabin Pressure Leak Test, Tekanan udara, Differential Pressure
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