Agustin, Fitry Triyani (2015) PENGARUH VISKOSITAS AIR LAUT TERHADAP KECEPATAN ENDAP PARTIKEL. S1 thesis, Universitas Pendidikan Indonesia.
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Abstract
Sedimen adalah suatu proses pengendapan yang terjadi karena proses erosi, angkutan (transportasi), pengendapan (deposition), dan pemadatan (compaction) dari sedimen itu sendiri. Pengendapan sedimen, terjadi pada saat aliran dapat mengangkut bahan sedimen mencapai kecepatan pengendapan (settling velocity) yang dipengaruhi oleh besarnya partikel-partikel dan jenis fluida yang dialiri dimana semakin besar suatu viskositas suatu fluida maka semakin kecil kecepatan endap, begitu pula yang terjadi pada fluida air laut yang memiliki kecepatan endap lebih kecil dibanding pada air tawar. Kecepatan pengendapan yang terjadi yaitu pengaruh dari koefien drag dan angka reynold partikel. Dari penelitian ini kecepatan pengendapan (settling velocity) diperoleh dari hasil penelitian dan analisis rumus diantara yaitu dengan menggunakan rumus, metode Sha, Gruat, Van Rijn, Concarov, Stoke dan Zhang. Dimana diketahui standart error dari setiap pengujian yaitu rumus/ terori Sb=0,307; Metode Sha Sb=0,108; Metode Stoke Sb= 19,144; Metode Gruat Sb=14,192; Metode Zhang Sb= 0,13035; Metode Van Rijn Sb= 0,114; dan metode Concarov Sb=0,122. Sehingga di ketahui bahwa metode Sha adalah metode yang mendekati hasil pengujian. Dari hasil analisis diketahui pula bahwa kecepatan endap sangat erat kaitannya dengan berat jenis partikel dan viskositas fluidanya. Kata kunci: Sedimentasi, Transport Sedimen, Kecepatan endap. Sediment is a deposition process which occurs because the process of erosion, transportation, deposition, and compaction of sediment itself. The deposition of sediment , occurred at the flow can transport reach the speed sediment material (settling velocity) that influenced by the size of the particles and kind of fluid drained where the bigger a viscosity of a fluid the more speed deposition small , so is occurring in sea water of the fluid which has speed of deposition smaller than in clear fresh water. The deposition happens because the influence of the coefficients drag and reynold particles. From these analysis the deposition of settling velocity obtained from the results of the study and analysis of formula is using formulas, method Sha, Gruat, Van Rijn, Concarov, Stokes and Zhang. Where the testing of any standard error from the formula Sb = 0,307; Sha method Sb = 0,108; stokes method Sb = 19,144; Gruat method Sb = 14,192; Zhang method Sb = 0,13035; Van Rijn method Sb = 0,114; and Concarov methods Sb = 0,122. So that we know that method of Sha is a method of approaching the results of testing. From the results of the analysis also known that the speed of deposition is closely related to the specific gravity of particles and viscosity of fluid. Keyword: sediment, settling velocity, transport sediment
| Item Type: | Thesis (S1) |
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| Additional Information: | No. Panggil : S TB AGU p-2015; Pembimbing : I. Odih Supratman, II. Mardiany |
| Uncontrolled Keywords: | Sedimentasi, Transport Sedimen, Kecepatan endap. |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Pendidikan Teknologi dan Kejuruan > Jurusan Pendidikan Teknik Sipil > Program Studi Teknik Sipil |
| Depositing User: | Mrs. Neni Sumarni |
| Date Deposited: | 10 Mar 2016 06:50 |
| Last Modified: | 10 Mar 2016 06:50 |
| URI: | http://repository.upi.edu/id/eprint/19500 |
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