Penelitian ini bertujuan untuk menghasilkan produk pengembangan modul Hybrid termodinamika yang terdiri dari e-modul dan video pembelajaran pada Mata Kuliah Temodinamika yang digunakan oleh perwira siswa di Politeknik Pelayaran Surabaya dengan berdasar konsep Self Directed Learning (SDL) sehingga pasis dapat belajar secara mandiri. Pengembangan produk ini menggunakan metode pengembangan ADDIE. Hasil produk divalidasi oleh ahli desain pengembangan, ahli isi dan ahli media pembelajaran. Analisis yang dilakukan menggunakan analisis deskriptif evaluatif dari penilaian para ahli, teman sejawat dan uji coba lapangan. Hasil perhitungan dari ahli desain pengembangan sebesar 89,5%, ahli isi 88,5%, ahli media pembelajaran 88,8%, penilaian teman sejawat 89,2%, uji kelompok kecil 85,9%, dan uji coba lapangan 81,3%. Secara umum hasil perhitungan menunjukkan produk pengembangan sangat baik dan layak digunakan. AbstractThis study aims to produce development products in the form of E-Modules and learning videos on the Themodynamics Course used by student officers (pasis) at the Surabaya Merchant Polytechnic based on the concept of Self Directed Learning (SDL) so that the pasis can learn independently. This product development uses the ADDIE development method. Product results are validated by development design experts, content experts and learning media experts. The analysis was conducted using evaluative descriptive analysis from the assessment of experts, colleagues and field trials. The results of calculations from development design experts are 89.5%, content experts are 88.5%, learning media experts are 88.8%, peer assessments are 89.2%, small group tests are 85.9%, and field trials are 81.3 %. In general, the calculation results show that product development is very good and suitable for use.
The burning process of fuel from the main engine in ships impacts on air and sea pollution. Afterward, in overcoming the air pollution from the result burning in industry usually use electronic precipitator (ESP) by using electric field to precipitate gas pollutant from burning result. Thus, the aim of this research is making the concept of ESP (Electrostatic Precipitator) which can be used to reduce pollutant from the result burning in the main engine. Afterward, this research is used experiment as its method. The results of this study shows that before using the ESP tool, the NO2 levels is 7.70 mg/Nm3, while after using ESP Nitrogen Oxide (NO2) levels dropped to 3.85 mg/Nm3. Before using the ESP, the data on emissions gas had SO2 levels of 72.3 mg/Nm3, while after using ESP the levels of Nitrogen Oxide (NO2) dropped to 39.6 mg/Nm3. The level of Nitrogen Oxide (NO2) in gas emissions drops to 50% while the level of Sulfur Dioxide (SO2) in emission gas drops to 45.2%.
Penelitian ini bertujuan n untuk merancang sebuah program simulator GPS berbasis Visual Basic 6.0 yang dapat digunakan secara praktis oleh setiap taruna dalam menentukan arah haluan untuk memperoleh lintasan jauh atau jarak terpendek kerika berlayar. Penelitian yang dilakukan merupakan penelitian eksperimental, adapun hasil rancangan simulator GPS ini dilakukan perbandingan denganECDIS sehingga didapatkan nilai rata-rata simpangan yaitu 0,2200 pada arah haluan dan 0,441 millaut pada jauh (jarak tempuh). Sedangkan rata-rata error pada penentuan aruh haluan sebesar 0,0040 sedangkan rata-rata error pada penentuan jarak sebesar 0.239 millaut.Sehingga kinerja perhitungan jauh dan haluan dari simulator GPS mendekati kinerja pada ECDIS. Menu Simulator GPS berfokus pada penentuan jarak tempuh (jauh) dan arah haluan kupal menggunakan konsep segitiga bola dapat digunakan sebagai salah satu metode perhirungan jarak tempuh (jauh) dan arah haluan kapal. Dan dapat digunakan unruk menghitung wakru tiba setelah diketabui kecepatan kapal.
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