Article

2-D physical modeling to measure the effectiveness of perforated skirt breakwater for Short-period waves

---

The effectiveness of a breakwater can be measured by quantifying the transmission coefficient (KT). The smaller the coefficient, the better the performance of the breakwater. A physical modeling on the proposed breakwater was conducted to identify the coefficient of Perforated Skirt Breakwater (PSB). The PSB model was tested in 2-D wave flume at Ocean Wave Research Laboratory FTSL ITB, to obtain the effectiveness of PSB for short-period waves (prototype periods, Tp= 4 second and smaller). The scaling of PSB models applies the principle of Froude Similarity, where the Froude number in model equals to the Froude number in prototype (Frm=Frp). The flume is equipped ith 5 resistance-type wave probes and 8-channel DAS (Data Acquisition System). Wave heights (H) and wave periods (T) data were observed both manually by visual observation and wave probes readings (processed later with method of “zero mean up-crossing” technique). The incoming wave heights (Hi) and transmitted wave heights (Ht) were measured and processed to obtain the transmission coefficient (KT). The relationships between KT and nondimensional variables (skirt draft / incident wave height, S/Hi) are analyzed and the calculated effectiveness of the PSB for varied environmental condition is obtained to be up to 70%.

---

Ketersediaan

Informasi Detail

Judul Seri

-

No. Panggil

ATC MR AJI t

Penerbit

Bandung : ITB., 2011

Deskripsi Fisik

22 pages

Bahasa

English

ISBN/ISSN

-

Klasifikasi

MR

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

online resource

Edisi

Vol. 43, No. 1,

Subjek

non-dimensional variables
perforated skirt breakwater
short-period waves
transmission coefficien

Info Detail Spesifik

-

Pernyataan Tanggungjawab

Ajiwibowo, Harman

Versi lain/terkait

Lampiran Berkas

Komentar

---

Anda harus masuk sebelum memberikan komentar