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Articles by Anongrit Kangrang
Total Records ( 15 ) for Anongrit Kangrang
  Anongrit Kangrang , Sudarat Compliew and Witsanukorn Chaiyapoom
  This study proposes a heuristic algorithm to connect with simulation model for searching the optimal reservoir rule curves. The proposed model was applied to determine the optimal rule curves of the Ubolratana reservoir (the Chi River Basin, Thailand). The results showed that the pattern of the obtained rule curves similar to the existing rule curve. Then the obtained rule curves were used to simulate the Ubolratana reservoir system with the synthetic inflows. The results indicated that the frequency of water shortage and the average water shortage are reduced to 44.31 and 43.75% respectively, the frequency of excess release and the average excess release are reduced to 24.08% and 22.81%.
  Anongrit Kangrang and Chavalit Chaleeraktrakoon
  Rule curves are fundamental guidelines for operating a reservoir system. The objective of this paper was to find a suitable objective function and to propose a smoothing function constraint for searching the optimal rule curves by using genetic algorithms connected simulation model. The results show that an average water shortage was the optimal objective function for searching the optimal rule curves. It can represent the situations of water deficit and excess release. The results also indicate that a moving average applied to be the constraint of searching can reduce the variation of the upper and lower rule curves. Further, the developed model has been applied to determine the optimal rule curves of the Bhumibol and Sirikit Reservoirs (the Chao Phraya River Basin, Thailand). It was shown that the model gives the rule curves which are more mitigate the situations of water deficit and excess release than the existing rule curves. It was also concluded that the genetic algorithms connected simulation with the smoothing constraint more effective than it without constraint.
  Anongrit Kangrang , Anujit Phumphan and Witsanukorn Chaiyapoom
  Rule curves are basic monthly guidelines for long term reservoir operation. Generally, the optimal rule curves are searched by reservoir simulation model and optimization techniques. A traditional reservoir simulation does not consider the risk of reservoir operation caused by natural uncertainty from inflow. A stochastic simulation model embedded genetic algorithm model is developed for searching the optimal rule curves in this study. Synthetic inflows are used in the developed model for assessing the risk reservoir operation. Single and multi-reservoir systems are applied to assess the efficiency of the proposed technique. The developed model has been applied to determine the optimal rule curves of the Bhumibol and Sirikit Reservoirs (the Chao Phraya River Basin, Thailand) for multi-reservoir system and the Ubolratana Reservoir (the Chi River Basin, Thailand) for single system. The optimal rule curves of each system were used to assess by a Monte Carlo simulation. The results show that the situations of water shortage and excess release of the obtained rule curves are not significantly different from the situation of the curves searching by tradition simulation. It can be concluded that the stochastic simulation model embedded genetic algorithm provided the optimal rule curves as considering the risk of reservoir operation. Furthermore, the proposed model is applicable for both single and multi-reservoir systems.
  Ounla Sivanpheng , Anongrit Kangrang and Alongkorn Lamom
  Problem statement: Optimal crop pattern with maximum profit is important information for irrigation planning using optimization model. Crop yield, crop water requirement, man power, production cost and physical soil type are required to the search model. A consideration varied-utilized soil type directly influences to the profit of obtained crop pattern. Approach: The objective of this study is to find an optimal crop pattern for irrigation planning in a varied-utilized area of the Van Vieng Phi irrigation project, Khammouan province, Central Region of Lao PDR. An allocation Linear Programming (LP) model was applied to find the optimal crop pattern in dry-season (November-April). The considered irrigation project was divided into several sub-areas, based on suitable soil type of each crop representing the varied-utilized character. The existing suitable soil type of each crop was used to represent the varied-utilized in term of water requirement and crop yield for each sub-area. The records of seasonal flow from pump station, requested and actual implementation of irrigation area, crop water requirements, evaporation, percolation and effective rainfall were used for this illustrative application. Results: The results have shown that the net benefit of varied-utilized character and unvaried-utilized character (existing consideration) were obvious difference. The obtained crop pattern of the proposed model corresponded to the suitable soil type for cultivation crops. Furthermore, the results presented that the proposed model gave higher net benefit than the existing unvaried-utilized character. Conclusions/Recommendations: The consideration several sub-areas of irrigation project based on suitable soil type in LP model can be represented the varied-utilized character. The proposed LP model is appropriately for finding the optimal crop pattern for irrigation planning.
  Anongrit Kangrang , Nutthapong Srikamol , Rattana Hormwichian , Haris Prasanchum and Ounla Sriwanpheng
  Background and Objective: Rule curves of reservoirs are necessary guides to operate reservoir system in the long run for both flood and draught control. The main objective of each rule curve depended on the characteristics of each reservoir. This paper proposed an alternative approach of a Firefly Algorithm (FA) to connect with the simulation model for searching optimal reservoir rule curves as the flood control area. Materials and Methods: Minimum average excess water and minimum frequency excess water were used as the objective functions for the searching procedure. The historic inflow, synthetic inflow data of 1,000 events and future inflow were used to evaluate efficiency of the flood control rule curves in showing situations of water shortage and excess water in term of frequency, magnitude and duration. The proposed model was applied to determine the optimal flood rule curves of the Nam Oon reservoir in the northeast region of Thailand. Results: The results showed that the patterns of the obtained rule curves were similar to the current rule curves. The optimal flood control rule curves were used to simulate the Nam Oon reservoir system for evaluating the situation of flood in long term operation. The results indicated that situations of water shortage and of excess water using optimal flood control rule curves from the proposed model were smaller than with current rule curves both for the present and future situations. Conclusion: The new obtained rule curves from the proposed FA model are better than the existing rule curves in decreasing flood situation.
  Anongrit Kangrang , Anujit Phumphan and Chavalit Chaleeraktrakoon
  This study proposes an allocation LP model that can take into account heterogeneity of land area. The divided scenario into several sub-areas based on suitable soil type for each crops was used to represent the heterogeneous character in term of water requirement and crop yield. The proposed model was applied to find the dry-season (January-May) crop pattern of the Nong Wei Irrigation Project which located in the Northeast Region of Thailand. The records of seasonal flow, requested areas, crop water requirements, evaporation and effective rainfalls of the project were used for this illustrative application. Results showed that the proposed LP model gave the optimum crop pattern with net seasonal profit which corresponding seasonal available water and required area. It provided the highest profit as compare to the existing LP model that considering homogeneous project. The obtained patterns of considering heterogeneity corresponded to the available land areas of the suitable soil type.
  Anongrit Kangrang and Chavalit Chaleeraktrakoon
  The objective of this study is to carry out a suitable length of inflow record using in the simulation model. The second objective is to find an effect of initial reservoir capacity of reservoir simulation for searching the optimal rule curves. The reservoir simulation model was connected with genetic algorithms to search the optimal rule curves quickly. The model has been applied to determine the optimal rule curves of the Bhumibol and Sirikit Reservoirs (the Chao Phraya River Basin, Thailand). The optimal rule curves of each condition were used to assess by a Monte Carlo simulation. The results show that the shortest period of dry inflow record using in the simulation model in order to search the optimal rule curves is 10 year. Furthermore, the minimum initial capacity of reservoir for searching optimal rule curves is 10% of full capacity.
  Anongrit Kangrang and Chavalit Chaleeraktrakoon
  This study proposes a fuzzy sets approach for estimating irrigation efficiency of limited water resource area. Genetic algorithm technique was applied to calibrate membership function condition of fuzzy sets model. The proposed model considered the total available water resource and the farmer participation of water resource management as the input variables. The approach model was applied to determine the irrigation efficiency of the Nong Wei Irrigation Project (in the Northeast region of Thailand). Results showed that the fuzzy sets model can be used to estimate the irrigation efficiencies, given the total available water resources and the farmer participation. Furthermore, the results indicated that the farmer participation in water resource management can be calculated via the proportion of seasonal required-area and the overall land area of the irrigation project.
  Anongrit Kangrang , Anujit Phumphan , Sahalaph Homwuttiwong and Sudarat Compliew
  This study proposed a fuzzy sets model for computing ETo using only a few basic hydrological parameters including temperature, humidity and wind speed. Genetic algorithm technique was applied to calibrate membership function condition of fuzzy sets model. The proposed model was applied to determine the ETo of 5 Meteorological Stations in Thailand. The daily data of the stations were used in the study. Results showed that the fuzzy-GAs model can be used to calculate the ETo, given only the basic hydrological parameters; temperature, humidity and wind speed. The obtained ETo of the proposed model closed to the ETo of the accepted Penman-Monteith equation. Furthermore, the results presented that the Genetic algorithm calibration provided the optimal condition of membership function.
  Anongrit Kangrang and Chetthaphan Lokham
  Reservoir rule curves are guideline for long term operation of multi-purpose reservoir that affected from severe flood and drought situations. This study proposed an alternative technique for searching optimal rule curves of multi-purpose reservoir. The proposed model consists of a Conditional Ant Colony Optimization (CACO) and a reservoir simulation model. Monthly rule curves of the Lampao Reservoir located in the northeast of Thailand was considered in this study. Four hundred samples of generated inflow data of reservoir were used to evaluate the performance of the proposed model and the results were compared with those of the genetic algorithm technique (GAs) and currently used. The results found that the new rule curves produced by the CACO and simulation method provided a similar pattern of rule curves as compared with the rule curves provided by genetic algorithm technique. The patterns are different from the existing pattern. The situations of water shortage and flood of using the new rule curves with reservoir operation considering generated inflow are lower than those of using existing rule curves. However, these situations are closely to the situations of using the rule curves of genetic algorithms technique. In conclusion, the proposed model could enhance the performance of the Lampao Reservoirs and it might be applied to other reservoirs by modifying the objective functions and constraint equations of searching process.
  Anongrit Kangrang , Rapeepat Techarungruengsakul , Rattana Hormwichian and Ounla Sriwanpheng
  Rule curves of reservoir are necessary guides to operate reservoir system in the long run for both flood and draught control. This study proposes the alternative approach of Wind Driven Optimization (WDO) technique to connect with simulation model for searching optimal reservoir rule curves as the flood control area. Minimum average excess water was used as the objective function for searching procedure. The synthetic inflow data of 1,000 events and future inflow were used to evaluate efficiency of the flood control rule curves which showing by situations of water shortage and excess release water in term of frequency, magnitude and duration. The proposed model has applied to determine the optimal flood rule curves of the Nam Oon Reservoir in the Northeast Region of Thailand. The results have shown that the pattern of the obtained rule curves similar to the current rule curves. The optimal flood control rule curves were used to simulate the Nam Oon Reservoir system for evaluating the situation of flood in long term operation. The results have indicated that the situations of flood of the optimal flood control rule curves are smaller than theirs current rule curves both present situation and future situation.
  Natpitak Sinthuchai and Anongrit Kangrang
  The purpose of this research was to apply the optimization method by the specific technique of Grey Wolf Optimizer (GWO) cooperating with the reservoir simulation model in order to improve the rule curves of reservoirs. The minimal average water shortage, the minimal average excess water, the minimal frequency of water shortages, the minimal frequency of excess water were used as the objective functions for searching procedure. This study considered the monthly data of reservoir rule curves from the Ubolratana reservoir, Khon Kaen Province, the Lampao reservoir, Kalasin Province and the Nam Oon reservoir, Sakon Nakhon Province as the case studies. Moreover, this study synthesized 1,000 samples of inflow data in order to evaluate the efficiency of new rule curves from the proposed model. The results were displayed the situations of water shortage and excess water in term of frequency, duration time, average water quantity and the highest water quantity. The results shown that four objective functions above can produce new rule curves which their physicals were similar to the current ones for all reservoirs due to the influences of seasonal inflow and the same operation conditions. The results after testing the new rule curves compared with the current ones show that the new rule curves improved by the objective function of minimal average water shortage can mitigate excess water and water shortage situations better than other rule curves produced by other objective functions and also better than current rule curves for all reservoirs. The results can conclude that GWO with the objective function of minimal average water shortage connecting with reservoir simulation model has more efficiency to search optimal rule curves.
  Surapong Kongsat , Anongrit Kangrang and Kitti Srisa-Ard
 

Problem statement: An integrated water resource management is accepted technique to solve the water resource problems both water shortage and flood plane in order to improve human life. The combination between local wisdom and modern technology by farmer participation is a main part of integrated management. The mentioned techniques had been being applied for human life in the northeast region of Thailand.
Approach: This study investigated the local wisdom of water resource management and an application of the local wisdom to manage water resource for developing the economic, society and culture of Lam Ta Kong’s community, Nakhorn Ratchasima province, Thailand. Information was investigated from relevant document and field survey including questionnaire and interview.
Results:
The result founded that there were two types of the local wisdoms including an original local wisdom on water management and a combination of original and modern science local wisdom to manage available water. For original wisdom, there were earth dam, rock dam, rocks dyke, wooden weir, waterwheel and shallow well that were found in source and midst of the river basin. They constructed the dams and weirs barrier flow river along the Lam Ta Kong River in order to storage water for using purposes in dry season and to mitigate flood plane during rainy season as an early age of the local wisdom. The waterwheel was used to bail water from river to their community. For the combination of original and modern science, there were concrete dam, Watergate, irrigating tube, irrigation channel, water pump, water pump dynamo and underground water drilling that were found at the source, midst and tide tail of the river basin. These combined local wisdoms are considered as a current apparatus in water resource management of the area. The stored water was managed with annual rainfall for cultivation, industrial, family activity and residences for the necessaries of life.
Conclusion/recommendations:
The original local wisdom had the most important role to develop the Lam Ta Kong’s community and farmer life from past to present that is disappearing. In the present, the community and farmers still have been being used the combined local wisdom to manage water for developing the economic, society and culture of Lam Ta Kong’s Community.

  Wira Phansuwan , Suoneth Photisan and Anongrit Kangrang
  Problem statement: Silk cloth weaving culture of the Mon-Khmer ethnic group in Lower-Isan has a specific identity which should be handed down to future generation. The purposes of this research were to examine: (1) the body knowledge concerning silk clothes of the Mon-Khmer ethnic group in Lower-Isan region, (2) the process of production or silk-cloth weaving of the Mon-Khmer ethnic group in Lower-Isan region and (3) development of silk-cloth weaving of the Mon-Khmer ethnic group in Lower-Isan region. Approach: The research data was gathered from documents concerned and research fields. A sample was 156 people living at 7 villages and those involving silk-cloth production or weaving. The data was analyzed according to the research purposes and presented by means of a descriptive analysis. Results: Silk-cloth weaving has been a cultural heritage transferred from ancestors. In 1215 Chow Tang Kwan stated that the Siamese people came there, grew mulberries, raised silkworms and wove silk clothes from that time through learning from generation to generation. The cloth-identity and patterns have been party influenced by their ethnic group together with the way of life in each period. In the past, the main purpose of silk-cloth weaving was for household use. Some of the silk clothes were kept for being supplement to various rituals and Buddhist ceremonies. Thus, it was not necessary for them to have commercial production. Household-labor was still an important-productive factor of sufficient economy and reliant society. For the production process, it has been found that at present the economic and social structures have changed from household-use production to commercial production. There are complete production processes in the type of forming groups and the management system by increasing production competency to obtain both quantity and quality as well as standard prices. There are transmutations into a variety of other products and promotion of domestic and foreign marketing. However, what is firmly retained to the community is the traditional silk-cloth weaving. For silk-cloth weaving development, it shows that the appropriate model of silk-cloth weaving development of the Mon-Khmer ethnic group in Lower-Isan region consists of economic and social changes which can affect silk-cloth weaving culture of the Mon-Khmer ethnic group in Lower-Isan region. Conclusion/Recommendations: Silk-cloth weaving is a very important cultural heritage of Mon-Khmer ethnic group. It accumulated and adhered from ancestors and transacting through social recognition in each period. All of production processes of each period are scrupulous such as growing mulberries, raising silkworms, producing fibers and dyeing fibers. The development of identity, patterns, weaving technique, production equipment, transmutation equipment and marketing cause a sequence of changes and development of the process of silk-cloth production or weaving from weaving for household use to commercial production. At present, there are many forming groups which produce for a commercial purpose. However, what is firmly retained to the community is the traditional of silk-cloth weaving by hand-loom.
  Decha Buates , Songkoon Chantachon , Kosit Paengsoi and Anongrit Kangrang
  Problem statement: Monks’ health tended to be a continuous increased problem. They were groups who had limitations to access health services due to their monastic disciplines and their most importance for Buddhist institution. Without urgent solution, their normal way of life would have been affected. Approach: This research aimed to study current conditions and to develop monks’ holistic health care models by community participation in central region of Thailand. The study was a qualitative research conducted in 9 temples; 3 temples in urban area, 3 in semi-urban area and 3 in rural area. Samples were 224 persons; consisted of monks, public health officers from Department of Religious Affairs, local administrative organizations and people; selected by purposive sampling method. Observation form, survey form, interview form, focus group discussion and workshop were used as research tools while data was analyzed by descriptive research. Results: The result founded that in former time culture of monks’ health care was leaned on community, social, culture and tradition. People spoke in style of central Thai language and were in agricultural sector as well as had their belief in merit, sin and elder respect. Relation in communities was in form of generosity and living as similar as relatives. When some monk got sick, they would visit, take care and give foods and medicines. Most of medicines were household remedy and Thai herbal medicine that bought from drug stores in local market or grocery stores in village and monks were sent to hospital in case of severe illness. Temple was a part of community, so they had close relation. Nowadays people increasingly worked in manufactories that caused conflicts and alienations among them. Monks leaned on local markets for receiving foods offering and most of foods were cooked from flour, sugar, coconut milk and fat. These caused three-fourth of monks having chronic disease as diabetes, hypertension, high cholesterol and gout. They had behaviors on addicting to cigarette, coffee and energy drink. They had less exercise without annual health checkup. Their cells were non-hygienic with plenty of garbage, foods scrap and joss stick dust. They preferred to have medical care at private clinics than hospitals or public health centers due to long time waiting. There were some protections by local administrative organizations as pets’ vaccination and using Tempos sand granule for eliminating mosquito larva. Severe mental health problems were not found. Conclusion/Recommendations: Related agencies with monks’ holistic health care models by community participation in central region of Thailand were local administrative organizations, communities, government agencies, temples/clergies, provincial office of Buddhism and monks. Important activities were participative operations of all related sectors, monks’ annual health checkup 1-2 times a year, temples medicine cupboard, monk health care fund, pets’ vaccination, temple public health volunteer, monk exercise promotion, temple improvement with the 5-S activity and usage of temple as center for health care development.
 
 
 
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