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RISS 인기검색어
- 검색키워드
- 저자 : Zubaidah Ismail (검색결과 3 건)
- 무료
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Homestay Program in The Vicnity of National Park Pahang : An Exploratory Study
Anizah Hj Zainuddin,Zubaidah Zahirudin,Noor Afizah Ismail,Rosidah Musa,Wan Jooria Hood,Samirah Hamzah,Jamaliah Mohd Yusof 세계문화관광학회 2008 Conference Proceedings Vol.9 No.0
This study focused on the potential supply and demand of a Homestay program in the vicinity of National Park, Pahang (TNNP) Malaysia. A visitor (tourist) survey in the form of questionnaire was designed based on researcher's interviews, visits to and observations in TNNP Malaysia. The questionnaire was appropriately divided into different sections in order to allow the focus on different aspects of the study. In addition, personal interviews were also conducted focused on tourism development at the villages in the vicinity of TNNP Malaysia. Details of the Homestay package offered including pricing, costing, activities included and benefits received from offering such program were also gained. Interviewees were also quizzed on problems and challenges faced, interest and expectation of running a Homestay program. Their opinion was also seek on how to make the Homestay program more successful in view of the Homestay program being a viable ecotourism product in the vicinity of TNNP, Malaysia. The result revealed that there are vast potential interest and demand by tourists (both foreign and local) who visited TNNP Malaysia to join a Homestay program. With the basic infrastructure for the establishment of a Homestay program already in place, available assistance from several relevant government authorities and willingness on the part of the villages as Homestay's operators; the researchers proposed for this Homestay program to be taken up. However there should be an identification of a relevant and capable government body governing and claiming ownership over the program. Nonetheless, the success of the Homestay program depends very much on the positive attitude of the Homestay providers. It is of utmost important that the involvement of the Homestay providers together with villagers to prevail to determine the success of the program. The elected committed members of the Homestay program should be committed to ensure that all related Homestay activities are continuously offered and monitored. Additionally, it was deduced that a smart partnership with other relevant authorities namely Ministry of Tourism at the state level, local authorities, travel agencies, hotel operators and boat operators should be firstly encouraged in order to form the viable framework for the whole successful operations of a Homestay program in TNNP Malaysia
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Similitude study of an in-service industrial piping system under high flow induced vibration
Yap Huey Tyng,Ong Zhi Chao,Kong Keen Kuan,Zubaidah Ismail,Abdul Ghaffar Abdul Rahman,Chong Wen Tong 대한기계학회 2017 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.31 No.8
Flow induced vibration problem of an in-service duplex stainless steel piping system was investigated in previous research. The investigation required multiple sets of site measurement results at the offshore gas processing platform which raises the concerns of safety and its practicality. A lab scale of the mentioned piping system is preferable to study the flow induced vibration problem at different operating conditions to better understand the dynamic behaviour of this piping system. In addition, most of the dimensional analyses were performed either solely on structure or fluid system. System with flow induced vibration problem has never been attempted and thus it is important to perform similitude study of the piping system prior to fabrication of the lab scale model. Buckingham Pi theorem was applied and the similitude was verified by computational mechanics both qualitatively and quantitatively. The calculated non-dimensional variables of a scaled piping system in describing the flow characteristics which contribute to the structure deformation give similar scale factor, flow pattern and flow induced dynamic deformation and stress in this fluid-structure interacted piping system indicating that geometric, kinematic and dynamics similarity are achieved.
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Ong Zhi Chao,Lim Hong Cheet,Khoo Shin Yee,Abdul Ghaffar Abdul Rahman,Zubaidah Ismail 대한기계학회 2016 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.30 No.8
A novel method called Impact-synchronous modal analysis (ISMA) was proposed previously which allows modal testing to be performed during operation. This technique focuses on signal processing of the upstream data to provide cleaner Frequency response function (FRF) estimation prior to modal extraction. Two important parameters, i.e., windowing function and impact force level were identified and their effect on the effectiveness of this technique were experimentally investigated. When performing modal testing during running condition, the cyclic loads signals are dominant in the measured response for the entire time history. Exponential window is effectively in minimizing leakage and attenuating signals of non-synchronous running speed, its harmonics and noises to zero at the end of each time record window block. Besides, with the information of the calculated cyclic force, suitable amount of impact force to be applied on the system could be decided prior to performing ISMA. Maximum allowable impact force could be determined from nonlinearity test using coherence function. By applying higher impact forces than the cyclic loads along with an ideal decay rate in ISMA, harmonic reduction is significantly achieved in FRF estimation. Subsequently, the dynamic characteristics of the system are successfully extracted from a cleaner FRF and the results obtained are comparable with Experimental modal analysis (EMA).
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