Table Type Sun Drying for Seaweed Preservation.

Applied

Mechanics

and Materials

ISSN: I660-9116. ISSN/ISO: Applicd Mechanics and Materials

!o!!bier, r., 1os sprinsoare Lane, Mi|tersv,fl1',j3f;^ r,uu,

Iy,

X'P', Huaqiao Universi$, MOE Engineer Research Center for Britfle Materiats Machining

Xiamen, China P.R., 36i 021

Editorial

Board:

9!"nS'

Y.S. ,Harbin lnstitute

rcf

_{Tecfrnology, Lucas , M., University of Glasgow, Departmenl of}

school of Mate.iars science and-Tecfrnorogy,

plti.

_{Mecfranicai engineering, Gr";b.*, uK, G12 Bee} Box 435, Harbin, China pR.. _1SOOO1

Aims

and Scope

Apdied Mechanbs and Materials is a book series specialized in the rapid publication-of proceedings _of internatic

on[erepes' _{workshops and symposia as wei}

Js6ie-of-the-art;"tril;;;iliics

of cunent interest in al areasi

mecfianics and topics rehted to materials

science.

vr eqrrs'rr trrrsrt)r r.r arr

-

---l Volurnes are available in full text at www.scientific.com

Trans Tech

Publications

Trans Tech Publicatlons Ltd

Kreuzstrasse 10

CH{635 Zurictr-Dumten Swilzerland

Fax: +t'11447922 1933 E-mail: sales@ttp.net rveb: http ://urwrrv.ttp. net

Trans Tech Publlcations _" Po Box ess,

2,

M;y'il,"i

Enfield, NH 03748, US,

Phone (603) 632-237 Fax (603)6s2-S61 E-mait usa-tt@ttp.n(

Ulaterials

and

Diverse

Technologies

in

Industry

and

Manufacture

Selecte_d,

pler

reviewed papers from the

2013lnternational

Conference

;;

-

-Mech anicar, Autom

otive

_an

JrrllaLria

rs

E n gi

neering,

tury

z[3l1Yir:?i"',];

Kons

v

-Edited by

copyright

@ 2013 Trans Tech publications Ltd, _switzerland

All rights _{reserved. No part of the contents of this publication may be reproduced or} transmitted in any form

gr

_{by any means without the written permission of the}

publisher.

Trans Tech Publications Ltd Kreuzstrasse 10

CH€635

Durnten-Zurich

SwiEerland http://unrur.ttp.net

Volume 376 of

Applied Mechanics

and

Materials

/SSNpnhf

166G9336

/SSN

cd

1660-9336 /SSN web 1662-7482

."f

_{ul I text avai la ble}

o nl i ne at http ://umrw- sci e ntifi _{c. n}

et

Distributed

worldwide

by

_{and in}

the

_Americas

by

Trans Tech Publications

Ltd

_{Trans Tech publications lnc.}

Kreuzstrasse

10

pO _{Box 69g, May Street}

CH€635

Dumten-Zurich

_{Enfletd, NH 0374g}

Switzedand

_USA

Preface

keynote speaker to deliver their speech in the conference-

All

participants

will

have

chance to discuss with the speakers face to fuce, which is very helpful for participants'

During the organization course, we have got

help

ifferent

departments, and different institutions. Here, we

wo

slncere

thanks to Mr. Thomas Wohlbier, Anae and Trans

Te

ind and

enthusiastic help and supPort for our conference. Secondly, the authors should be

thanked too for their enthusiastic wdting attitudes toward their Papers. Thirdly, all members

of

program chairs, revietvers and program committees should also be appreciated for their hard rvork.

In a word, it is the

different

be successful

on July 26-27,2013,

Hong

give us good

suggestions to improve

our

' And we also

hope to get your supporting all the way.

Next year, lul2}14,we look forward to seeing all of you at CMAME 2014'

Organiziu g Committees, CMAME2OI3

Advisory

Committee

Prof, Ming Liang, University of Ottawa, Canada

Prof. Muhammad yahaya, UKM Malaysia

Prof. Chi-Cheng Cheng, National Sun yat-Sen University, Taiwan

Conference _Co-Chairs

Prof. _{Adel A, Sharif, California State University Los Angeles,}

USA Prof. Chul Ho Han, Kumoh National Institute of Technology, Korea

Prof. M. Chandrasekaran, Vels _{University, India}

Technical

program Committee

_Chairs Prof. Raghuvir pai

8.,

_{Manipal University, India}

Prof. Ahalapitiy_a _{Jayatissa, The University of Toledo,} USA Prof. Woo Vang :ang, Cnosun

Uniruoity,

Xo."a

Prof. Jianwen Jiang, Nationat University of Singapore, Singapore

Publication

_Chair

Prof. Yuming yuan, _{Hubei University,}

China

Prof. Quan Zhou, Hubei polytechnic University, China

International

program Committees

Prof'

_{Komson Jirapattarasilp,}

King

_{Mongkut,s University}

of

rechnorogy Thonburi _{(KMUTT), Thaitand}

Prof. Ng Hoon Kiat, The University

of

Nottingham, Malaysia

Prof' Mostafa Ranjbar, Isramic Azad University-pardis Branch, Iran Prof. Md, Hasanuizaman, Universiry of r.lalaya, Malaysia

prof. P.Ranjith kumar, _{M.A.M. College of Engineering, India} prof. Ho-sung Lee, Korea Aerospace Research Institute, Korea

Prof. Nader Nariman-zadeh, Guilan University, Iran

prof _. p _{Sarah, Vardhaman College of Engineering, India}

Prof. Achilles Vairis, TEI of Crete, Greece

Prof. Mete Kalyoncu, SelEuk _{University, Turkey}

prof. Kalipada Maity, Nationar Institute _{of rechnorogy Rourkera, India} Prof. Kelvin Kian Loong Wong, RMIT _{University, Australia}

Prof. Ramis M.K, p.A College of _{Engineering, Mangalore, India} Prof' Jinan Basheer _{Ar-Dabbagh, Universrti Maraysia pahang,}

Maraysia

Prof. K.N.Pandey, M.N.National _{Institute of Technology, India} Prof. Satoshi Takei, Electronic Material Laboratory, Japan

Prof. Musa _{Omar Abdalta, University of Jordan, lordan}

Prof. K. Senthilkumaran, VIT University. India Prof. M.Pradeep Kumar, Anna university, India

Prof. Kyoungjin Kim, Kumoh National Institute of Technology, Korea

Prof. Se Woong Kim, Kumoh National Institute of Technology, Korea

Prof. Sorin

IUE,

University of pitesti, _Romania

Prof. Zden6k Majer, Brno University of Technology, Czech Prof. Tomas Ucol-Ganiron, Jr., eassim University_Buraidah, _KSA Prof, Atef A. Ata, Alexandria University, Egypt

Prof. Bruce Moulton, University of Technology Sydney, Australia

Sponsors

China Science and Technology Exchange Association, China

-

_{UKM Mataysia,}

Malaysia

Table of Contents

cbapter

r:

Materiars Science, structurar _{composites, Materiar processing}

Anarysis and Modering oflvafer Thermar _{rransfer in a} pECVD _Reactor

H.X. Xia, D. Xiaog, p. _{Mou and}

H.

Zhang--....-....

...3

Effect of Physicar parameterc _on

DeNOx conversion in selective _catatytic

Converter Used in Diesel Vehicles

A.p. Manoj Kumar and p.

Mohanan...

... 13

Powder _{lnjection Molding of 20'40 Yol.o/o}

silicon carbide particulate-Reinforced

Aluminum Composites

T' Patcharawit, P. Tongkhon, _{A. wiangsamut, p.}

Auisungnoen and _{N. chuankrerkkul ... tz} The study of Manufacturing and _{Ingot characterization of rJ-zrArtoys}

M. Kasnan

Dyeing of Blended _{Fabric with}

pigment

""""""""".-"""'23

z'Q' Zhaag and Y'

wu""""""""-""

_'.

.

.

-

...30 ,10,,,:

1rO" Sun Drying for Seaweed preservation

LW. Surata, T.G.T. Njndhia ana I.K.A.

n_iltu..:...

...34

,//

SPS Method _{for Manufacturing Carbide Materials}

N. Jalabadze, L. Nadaraia

rnai.

ff,urarL"..._...

.,...38

Friction _{stir werding- oJDissimirar}

Sxxx to 6xxx Ar Aroys: A Review

S.N. pandya and _{J.V. Menghani}

..._..._...

...42

SifllTJ.lNbrNbssi3

ra

situ composites Fabricated via sparkprasma sintering

W.Y. Long, X.Y- Zou, W.D. Wang and J.p.

yao...

...4g

Effect

rr::----

"".--""""""""""''

Reinfo

Microstructure of _{Matrix in Tungsten Carbide}

Z.L.

te_{, R. Zhou and y.D.}

Sui...

...54

k'fi,.jffi-*diction

of Fire Extinguishing pipeline by Ivleans _{of Extreme varue} J'A' Jeong and

c'K'

Jin""""""""

...60 Acet;rlene _Ignition process _in

Combustion Thermal Spra5,

w'L'

Guo and Z'

Guo

....,...65

In-Plane _{Shear Damage prediction}

of composite Sandwich paner _with

Foam Core

A. Mostafa _{and K. Shankar.,.-...}

...

...:.

...69 The _{Inhuences of Reheating process}

to the semi-sorid _{Microstructure of} Hypereutectic _{At-22Si-l.qrFe_l}

joMi

aii"v

uv Cooting Stope

L' Li and R.F.

Zhou....

...i4 Laminar Burning verocity and _{Flammability characteristics of}

Biogas in spark

rgnjted _{Premix Combustion}

,t

n"au""J

p.oru..

W. Anggono, l. Wardana, _{M. Lawr}

r,Ii.i.-ff,rgt.r,

_S.

Materials and Diverse Technologies in lndustry and Manufacture

Chapter 2: Nanomaterials Science

Effect of TiOr Nanoparticlcs on Tensile and Photodegredation Behavior of

Biopolymer Films Based on Poly@utylene Succinate)

A. Buasri, N. Chaiyut, V3 Lo4menyong, M. Worachat, R. Kanchanapradit and S.

Baibou

...89

Effects of pH on Tin Nanoparticles Prepared Using a Modified Polyol Synthesis

S.S. Chee and J.H.

Lee...,

...93

Nanofiber: Applhations and Implementation in Advancc Water Treatment Techniques

M.O. Adaz, S. Faia U.A. Sama( F.S. Al Mubaddel, M. Luqman and O.Y. Al Othman...9'1

Chapter3: Mechanical Propefties of Materials, Deformation, Coating Engineering

Finite Element Study on the Influence of Shear Key Diameter on the Shear

Performance of Composite Sandwich Panel with PU Foam Core

A. Mostafa and K.

Shankar...

.-...103

Study on the Rock Slope Landslide Caused by Earth Penetrating Weapon Explosion

l.Z. Hao, C.C. Shi, J. Li and Y.H.

Sun

..--... 108

Stress Analysis of the Suspended Centrifuge Drum for Sugar

S, Zhang, W. Wang, C.G. Huang andY.Z.

Li-...-,

..-...--...-. I 13

1000mm2 conductor creep characteristics and remperature Reduction value

Y. Qi, X.M. Rui, J.C. Wan and J.H.

Li...

...-... 1l g

Effects of Hard Segment Contents on Dynamic Mechanical Properties of Gap-Based

Polyurethane Elastom ers

H.Q. Ding, L.Q, Xiao, W.L. Zhou, L,R. He and H,L.

Zharrg...

...125

Strength of Extreme Soils Blended with Fly Ashes for pavement

S:M.P.

Kumar...

_...130

Effect of Internal Pressure and Dent Depth on Strain Distribution of Pressurized Pipe Subjected to Indentation

M. Ramezani and T.

Neitzert

_{... 135}

Research on In-Planestatic Mechanical performance of Honeycomb paperboard

Based on Virtual Simulation

X.N. Mu, C. Sun, L.Q. Huang and y.S.

Ma.-...-...

_...140

Migrostructure and Hardness of Fe-Based Coating by plasma cladding

L.M. Wang, J.B. Liu and J.S.

Jiang...

_{...,... 144}

Fabrication and _{Mechanical Properties Study of the Magnetorheological Elastomer}

G.H. Li, X.G. Huang, X.Y. Gu and J.

Wang

_{..._l4E}

Microstructure and Mechanical propertiesof

ri/cu-cr/S20c

_{and Ti/cu-Ag/S20c} CIad Composites

J.S. Ha and S.I.

Hong...

_...153 Investigation on Effect of the Pitch of shear Keys on the In-plane Shear

Performance of Sandwich Panels with PU _{Foam Core: FE Study}

A. Mostafa and K.

Shankar-...

.._.-...._-... l5g

Effect of Thermo-Mechanical Treatment (TMT) on Hardness _{of Heat-Treated}

Al-Mg-Si (6082) Alloys: Experimental Correlation Using (DOE) Method

Applied Mechanics and Materiats Vol. 376

stress rntensity Factor of Different position prates _{with Eccentric}

crack M.M. Wang, M. yan and X.J.

2ha...

... t73

ff:iil:crack

lnitiation Mechanism of Atuminium Alloy wetded Joint in Gigacycle C. He, S.M.

Cui,y.L

Wu, Z.F. Luo and _e.y.

Wang

...-...177 stress Anarysis of Reered composite piperines _Based

on _{sharow she, Theories}

B.M. Thar, M. Zahuaniza and M.B. faunq...-. _{.-.:::_::_...}

Pipeline

Reeling

"""""""""""""-""""""'

l8l

B.M. Thar, M. _{Zahianizaand M. Badri}

Taufiq

... t85 Effect of surface preparation _{by Non-Directionar}

Grinding on properties _of

ArsI

D2 Plasma-Nitride _Layer

S. Rajsiri, _{T. Kraiha" L. plangklang and}

U.

Cbairue...

... 190

Chapter 4: Computing Methods and Algorithms Solving Job Shop scheduring probrem _{Based on Emproyee}

Avaitabirity constraint

...-.-r97

ft

Ilomotopy-perturbation Methods _{for Solving}

Apprication or Least

squa*:,"ldi;

;; ;;;,;;;;;i;;;;;";o;;;;;r";

"

."""

"

'

207 T.y. Guo, w. Liu,

z.j.ot,H.c:want;ar.v.

cro.._-..:..._.._:_

:..._....216 versed by Moving Masses Using

d S.S.K.

Singh...

...220

...22.4 No_nlinear _{Numerical Anatysis of SRC}

Frame Middle Joints

C. _{Li, Y. Zou, J. Kong and}

2.W.Wan...:...

-....231

il"";?il:fi

'fil"?#:H#:flffi

or a n ocea n Um b iricar ca b _{re usin g th} e W.C. _{Quan, Z.y. Zhang,A.e.}

Zhang and _e.F.

2hang...

...236

#rTffi||i

ffiiff

orthe Proportional controt Four-wheer steering vehicre

s'J- Zhang

andH.Z.-sur...

...243

Ia":fiTl,i[]".il:''*'Problem

in the Simulation statics Anarysis program _{of High}

M. Yan, _{M.M. Wing and X.J.}

Z]hu...

...-...24g

Application _{of ootimar Algorithm}

on Trajectory planning _{of Mechanicar} Arm

Based _{on B-Spline Curve}

T.Y. Guo, F. _{Li, K. Huang F.Z. Zhangand}

e.Feng...

...253 using Genetic _{Algorithm for the PrD control}

of voice coil _{Actuator in A} precision Locating _{System and}

simuration

-:---: --

:-

' v'Dv vvrr atlu:rrr

w.J.

Zhang

...257

Random _{Vibration Anarvsis.}

for a Building under _{Evorutionary irandom}

Excitations

z.y. _{sun, H. wang, y.S. zrang ana}

r.w.'yun

Materials and Diverse Technologies in lndustry and Manufacture

Application _{of Ariom}

System in the Construction Method of BDI)

x. zhang and D.H.

Hr...-_.._..:_..*

...

_...267

Artificiel _{Immune system}

for Multiple-Fuel-Constrained Generation scheduling

c

L

chiang

. --.-;-:

-.

--:::

:- -::::::::::::- :-::-::::- :-:::-::-:

..

.

272 Chapter _{5: Experimeutal Methods and}

Studies Experimental _Study

on Hydraulic characteristics of X-shape Flaring Gate pier and

,.$:i1'1,f,j.::f

.,.,.1.:.r*rd,rt"aei..evi'issipator

qeftLqM;;::;:::ffi;;;;t"t:'

',',rnr.

Irnprovements in the performance of _{Impressed current cathodic protection} system _{with variabre}

Resistor at vlrious Environmentar conditions J-A' Jeongand _c.K.

Jin...

...2gg

Solar Flat Plate Collector when

Experimental Study

.

Channiwala

...294 Experimen&l _{Investigation of}

COz _{Separation from Lignite Flue Gases bv 100 cm2} Single IVlolten _{Carbonate Fuel Cell}

J' Milewski, _{W. Bujalski, M. WJou,ica}

K. Futyma and R.

Bernat...

..._....2gg

ffffi

f;"lfifl

, Modeltin g, Sim utatio n a nd optimizatio n Techn olo gies, The _Application

of _{Lightweight visuatization}

rr",-rrro""au,.r"

_{to Aircraft}

Development

H.J. yin _and y.

Hu...

...307 study on Numericar _{simutation Method of}

Aerodynamic performance of High-speed _{Train on}

Bridge

C'Q. Xiang, _{W.H. Guo and J.W. Zhang}

...,..

...-i 12

Aer

Dec

erical Simulation of Terminal-sensitive projectile _at

J.

g Trajectory

and X.D.

Ma...

_...-...317

u1a$i1e _{the CAD-CAE coilaborative process}

using Cotored petri Ners

e

F

Sun and

H

Zhao.

_{__l_}

:: :::-:_:

:_

:::::::::

32i

OtTT"l

Design _{of a Speed Reducer}

rvr... Lrn and J.F.

Tsai..._...

...327

Pl:lltll"

of _{Gun support structure using}

Equivarent Dynamic Approach in Non

r,rnear _FEA

Thite

A.

_...331

::::::y*::::.'"'

336

::l':"::*:::

34I

r Simulating

t,.r",rr",

O;;:,

Applied _{Mechanics and Materials Vot. 376} )recision _{Motion offfrativ-e Learning Controller}

Using Adaptive Filter Bandwidth

l'u nin g by Improved. Particle Swarm _{Optim ization tecf, n iq ue}

y.C. _{Huang, S.T. Li and K.H.}

peng...

...,...349

r Numerical study on the optimum Design of Mechanicar wind-suppry and

imoke-Exhausting Systems Based on the Bench-Scale Long channel

Y' Li

""""""

"""""""""""'354

iimulation of the Performance of a Twin-Rotor piston _Engine

T.A.Zol, C.Y. Pan, H.J. Xu andX.

2tang...-

_...360

iurface Lunar Soil _{Excavation Simulation Based on ThreeDimensional Discrete}

ilement Method

H, Gao, _{D.W. Zhang B. Liu and L.C.}

Duan

...366

itudy on OptimizatioT_D1ign Technique of Aviation Gear Body

Y.Y. Shi, R. Yang, X.F. Kong, M.e. Zhang and J.H.

Li...:.

_...371

ierration Design _{and simuration of Gear plunge shaving cutter}

S.L. Chang, C.K, Huang, K.H. Doan and J.H.

f.lo...L.

_...,...377

Designing Fuzzy _{Backstepping Adaptive Based Fuzzy}

Estimator Variable Structure lontrol : Applied to lnternal Combustion Engine

M.J. Nekooei, J. Jaswar and A.

priyanto

_...-...3g3

itructural Design _{and Analysis of the Ivlotionlink in the Dynamic}

Assembled Screw-Driven Device

Y.F. Feng, X.J. Xu, H.J. Xu, X- Zhang, F.L. Zhod and R.

Wang

_...390

{'pplication of _{variable structure control on Muti-Axle vehicle Steering System} C. Liu, L. Yu and X.H.

Gao...

...395

Dptimization of Spillway weir to Mitigate Gas Entrainment in a Fast Reactor

G. Senthilkumar and S.

Ramachandrari

..-.-...4a2 Modalcharacteristics of compressoiiraa"scorria"iing _{Fluid-Solid Interaction}

Q.G. Luo, D.Y. Si, Z.G. Ran and X.D.

Wang...

_...407

9:Ip:lt:gl

Anatysis of piezoetectric _{vibration contror IVrethods for Autobody} Ihin-Wall Structure

C.L. Shen. X.W. An, y. Han and D.X.

Wang.._...

_{...,...,...41}

I

Machining of NURBS Surfaces using _{Three-Axis NC Miiling Machine}

S.S. Yeh, W.C. Chen and J.T.

Sun...L...

_...417

Comparison

of

I Gear _{for Different Materials and}

.Vlodules Using

S;

prabhakara

....-...423

sim _{ulation of MEMS cantilever Biosensor and}

Analysis of Readout Methods for

Iuberculosis Detection

P. _{Sangeetha and A.V.}

Ju1iet...

Materials and Diverse Technologies in lndustry and Manufacture

Nollilear

Adaptive Feedback _{control for spacecraft prorimity Formstion Frying} T. Xi, J.C. Li and W.e.

pan...

...-..446

signal Detection Technolog5r for Low voltage Arc Fault circuit rnterrupter using

FPGA

S.C. Wang, H.C. Lee and C.J.

Wu...,....

_...451 Dynamic Targets _{Detection for Robotic Applications using panoramic}

caqera Based on Optical Flow

W. Zhu, L. Tian, F. Di, J.L. Li and K.J.

Li...

_{..._..455}

chapter 8: Advanced rechnologies in rndustry, safety and Assessment

Distribution _{I atlTan} and Potential Risk of copper in surface Sediments of Anping Harbor,

C.D. Dong, C.F. Chen and C.W.

Chen..._..

_...463

Hazard Identilication & _J' Risk Assesment in New chessis Assembty Line

Sripathi Raja" M. Siva Prakash, N. Vellaichamy, K.L. Senthil Kumar and K. pa1ani...46g

IRjfeader _{Compression in IEEE g02.tl Mac Layer}

M. Boopathi and M.p.

Vani...

_...476

Petri-Net _{Apptied in putverizing}

System Retiability Analysis

y.

Li...

...481

Research.on _{Evatuating Methods}

of Automobile Energy-saving for Management Technology

X. Li, L. Liu and

2.X.Li...

CHAPTER

1:

Applied Mectwnics and Moterials Vol. i76 (2013) pp ja-j7

@ _P013) Trons Tbch Publicotions, Switzerland

doi: I 0. 4 l28httttw. scientific-net/AMM. 3 7 6.3 4

Table

Type

Sun Drying for

Seaweed

Preservation

I Wayan

Suratal'',

Tjokorda

Gde Tirta Nindhia2'b,

I

Ketut Adi Atmika3''

12'3Mechanical _{Engineering Department, Udayana University,} Denpasar, Bali-lndonesia uemail: iwasura@gmail.com, bemail: nindhia@yahoo.com, "email: adiatmika@yahoo'com

Keywords: seaweed, table type sun drying, water content, impurities, brightness.

Abstracl Open srn drying is one of the oldest techniques employed for processing agricultural products- The local pro"tl.i of drying the seaweed is by spreading

it

over a plastic sheet on the

glound and exposinj

it

to the

,ur.

Urforn nately, such taditional practice of dryrng seaweed has led to increased risk of contamination of seawee

j

6y aust and sand pafiicles and other impurities ' as well as seaweed often suffer from lower quality. This research was conducted to examine the effect of application of table type sun drying on qua

oontent, level of impurities, and brightress. The surface, with holes for circulation. The surface

The results ofstudy showed that table type sun drying reduced water content rapidly, reduce level

of impurities, and improve brightness of dried

seaweed-Introduction

Ithough

pro

does not

aecreasi

1t

teristic is

the

surface

|

- 35 o/o' As mentioned by Anggadiredja et al. _[1] and also ln&iani and Suminarsih [4] special for Euchema

the level of impuritiei-requirement

shoul

is by

spreading

it

over a plastic sheet on

the

such

traditional practice _oi aryiog seaweed ha

and sand particles and otirerlmpurlties. According to Visavale [5], the open sun drying method does

not

fulfili

the required quallty standard and iometimes the products cannot be sold

in

the

international market- Many exptrter companies complain about the quality of dried seaweed that is

sold by the farmers. The main complaint is conceming the water content and impurities which

exceeds the standard quality for export, and caused the price slumped [6].

Nusa Penida has good potency related

to

seaweed. The effort

to

increase quality

of

dried seaweed is a must to frtntt ixport

itaraard

namely table O/Pe sun drying. Sun dryers are available in a range size

a

ssified into several categories

depending on the following factori such

as

e, mode of drying and type of

produ.t to be driea _{[7]. T[ese} dr;rers are expected will increase the quality, and the products will

trighter in color andappearan"" [41. The dryers are easily to buil4 cost effective, and operation is

simple and _{sraightforward [9].} Table

type

drying seaweed where

farming is mostly canied outty small

farmer,

effii-skilled labor' ThiJresearch-was conducted to examine

th

e type sun drying on the

quality of dried seaweed, through indicators of water content, level of impurities, and brightness

of

dried seaweed.

Material and Methods

This experimental study was executed at Ped village in Nusa Penida Island' The dryer constructed in the form of table type within 90 cm height. The. stmcture made from lvood or

Applied Mechanics and Materials Vol.37G

Btackcucd Alunimro uith holes

Fig. 1 Design oftable type sun drying

e, and drying surfrce. The rectangular base

rfrce. The drying _{surface of tlre 4 m2 modet}

surface was built from blackened _{aluminum for} with diameter 7 mm each hole for air and water

0 kg wet seaweed. Drying process was done bv

and exposing it to the sun.

lesult and Discussion

lharacteristic of dryer

Characteristics _of

table

erature and wind velocity on te drying surface. The

dail

Z, with average temperature

I

aluminum _{surface is 40.}

I

'71 _,C.

-#Aluminum

*plastic

.-#Ambient

08.00 09.00 1o.oo 11.@ 12.(D

rhe _differenc.

ort.*p".il,sr.1IiHffi?Ji

r^^^

...1:_L

r.-;tTi,,,,ili:l;;;*i;",;,,

than prastic,

and

ff#i:,i*',lfJ;i

wind velocihf _{was measured by placing anemometer on the}

surface

of

_{dryer during drying}

period' _The

uu"-g"

wind velocity at atuminum surface is 1.87 + 0.g7 m./s, and at plastic surface

-60

(J

9so

o

L

=40

(g

L

8- 30

E

,o

20

.ro

:0

36 _{Materials and Diverse Technorogies in rndustry and Manufacture}

08.00 1O.OO

12.00

_14.00

100

6\

Iso

()

E80

,c)

b70

€

,r

60 50

40

30

20

10

0

14.00 16.00

Time Fig. 3 Water contentreduction

Applied Mechanlcs and Materials Vol.376 ₃₇

rily

when

{:d^bf

aluminum surface that _{}as many holes. while using plastic}

sheet sea water

vapuated and left the salt crystals on the surfa e of the seaweed.

ionclusion

Based on discussion an{ analysis _{that obtained aom this study,}

it

can be concluded that table rye sul. dr.ying had better performance than grying uring

pr"rti.

sheet. The quatity

of

dried aweed is improved, with significant reductions in wa-ter

"o"-t"ni*a

impurities level, and brighter

I botb color and appearance.

rcknowledgement

Authors are highly thankful _{to udayana University and}

Directorate General ofHigher Education tpublic ofrndonesia for providing financiar support to carry out the research work.

leferences

l]

Anggadiredja, J-T., z-atnika,A., Puru,oto, H., Iptini, S., Rumput _Lau! penebar _{Swaday4 Jakarta,}

2006.

2l

sujatrniko, _w. dan Angkasa, _{w. I., Teknik Budidaya Rumput Laut}

dengan Metode Tali

3]

Pan-BPPT' Jakarta' 2009'

L., Budi Daya dan pengolahan Rumput Lauq _Agro

4] Indriani, H., Suminarsih, _{E., Rumput Lau! Budidaya, pengolahan dan pemasaran, penebar}

Swadaya, l akarta, 200 5.

5l

Solar Dryers, _{in: C.L. Hii, S.V.} ing Fundamentals, Applications and

6l

improves quality of seaweed and

Dissertation, Department of Ergonomics,

r an _{Effective Tool for Agricultural hoducts} on.2 _Q0l2) 31-38.

of Solar Dryer for

& Biology. 12 (2012) ng, _8., Solar Dryer for Small Farmers and cal and Energy Engineering, Institute of

et; Important resources _{to improve food}

Cooking, _{Kimberley -South Africa, 2000.}

nce Evaluation of a Hybrid _{Solar Cabinet}