Ramadhani, Hendra Marta (2015) Studi Pengaruh Variasi Kedalaman Air Laut Tropis Terhadap Penempelan Biofouling Pada Material Bambu Laminasi. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Biofouling menjadi permasalahan manusia dalam operasional perahu.
Bioufouling yang tertempel menyebabkan peningkatan kekasaran pada lambung kapal
dan propeller. Permasalahan ini berdampak pada nilai hambatan kapal dan total biaya
bahan bakar. Permasalahan lain yang sering terjadi yaitu ketersediaan kayu sebagai
bahan baku pembuatan kapal ikan sulit diperoleh di Indonesia. Tujuan dari tugas akhir
ini adalah untuk mendapatkan bahan alternatif sebagai material konstruksi kapal ikan.
Pertama, dibuat spesimen uji dari material bambu laminasi dan kayu jati.
Spesimen uji berjumlah 36 buah untuk masing-masing material. Kedua, material uji
dikondisikan dalam air laut. Kedalamam air laut bervariasi dengan interval 1 m dengan
sarat terdalam 3 m. Pengkondisian dilakukan selama 8 minggu dan di periksa setiap 2
minggu sekali. Ketiga, dilakukan analisa terhadap hasil pengujian. Analisa berkaitan
dengan berat dan jumlah biofouling yang menempel pada masing-masing spesimen
secara periodik dalam dua minggu sekali.
Berdasarkan analisa yang dilakukan terhadap hasil rekapitulasi pengujian ratarata
setiap periode diketahui bahwa jumlah penempelan biofouling terendah terdapat
pada spesimen bambu laminasi (bambu laminasi 35 ind/m2 dan kayu jati 57 ind/m2 ).
Hasil perbandingan biaya operasional akibat biomassa penempelan biofouling pada
material bambu laminasi lebih ekonomis 0.02% (bambu laminasi seharga Rp
28,888,723.90 dan kayu jati seharga Rp 28,967,511.57). Sehingga dapat disimpulkan
bahwa bambu laminasi adalah material yang lebih efektif daripada material kayu jati.
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Biofouling is a problem during ship become ship service. The biofouling attached
increased friction between sea water and hull or propeller. The friction would increase
ship resistence value and overall fuel cost. The other problem that often occus is
difficulties in obtaining wood as raw material in fishing vassel production in Indonesia.
The objective of this final project is to give recommendation of alternative material in
fishing vessel production.
Firstly, the spesiment test from wood and laminated bamboo is created. The
specimen number is 36 items for each material with same dimension. Secondly,
specimen test is treated in sea water. The sea water depth varied with interval of in
and the deepest point is 3 m. the treatment is executed in 8 weeks. And the
examination is carried on each 2 weeks. Thirdly, the test result is analyzed. The
analysis is related to weight and number of biofouling that attach to each speciment in
accordance to the result of test carrion in each period.
The results recapitulation of the average value of each period was known that
the lowest amount attachment of biofouling contained spesimens of bamboo
lamination spesimens (bamboo laminated was 35 ind/m2 dan wood was 57 ind/m2).
The comparison of operational costs due to biomass attachment of biofouling on
laminated bamboo material more economical 0.02% (laminated bamboo was Rp
28,888,723.90 dan wood was Rp 28,967,511.57). It can be concluded the bamboo
lamination as an alternative material that is more effective than wood material.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSPe 623.848 Ram s |
| Uncontrolled Keywords: | Biofouling, Kedalaman Laut, Kapal Ikan, Biomassa |
| Subjects: | V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering |
| Divisions: | Faculty of Marine Technology (MARTECH) > Marine Engineering > 36202-(S1) Undergraduate Thesis |
| Depositing User: | Mr. Tondo Indra Nyata |
| Date Deposited: | 15 Aug 2017 07:20 |
| Last Modified: | 15 Aug 2017 07:20 |
| URI: | http://repository.its.ac.id/id/eprint/48589 |
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