None Arief Heru Kuncoro, None Pramudya, None La Ode M. A. Wahid, Joko Santosa, Agus Nurrohim, None Aminuddin, None Nurry Widya Hesty, None Silvy Rahmah Fitri
{"title":"Fuel Demand Analysis on the Optimization of Sustainable Electricity System Expansion Planning 2021-2050 in West Kalimantan","authors":"None Arief Heru Kuncoro, None Pramudya, None La Ode M. A. Wahid, Joko Santosa, Agus Nurrohim, None Aminuddin, None Nurry Widya Hesty, None Silvy Rahmah Fitri","doi":"10.5109/7151717","DOIUrl":"https://doi.org/10.5109/7151717","url":null,"abstract":"","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sarsenbek Montayev, Nurgul Montayeva, Ainur Taudaeva, Muratbai Ryskaliyev, Sabit Zharylgapov
{"title":"Investigation of the Compositional Raw Mixtures for Preparation of the Sintered Microporous Material and Mineral Feed Additives","authors":"Sarsenbek Montayev, Nurgul Montayeva, Ainur Taudaeva, Muratbai Ryskaliyev, Sabit Zharylgapov","doi":"10.5109/7151675","DOIUrl":"https://doi.org/10.5109/7151675","url":null,"abstract":"","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135690298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
: This study aims to show a trick to display the uniqueness of a steady program implied in irrigation telecontrol. The instrument comprises master terminal unit (MTU, master) and remote terminal unit (RTU). The MTU can exhibit the uniqueness of each instrument by inputting the RTU number. Then the program enters an array definition. The array definition makes every RTU seems unique and distinct from the others from the aspects of 1) MTU sim card number, 2) RTU sim card number, 3) background image, 4) farmer group, 5) farmer coordinator, 6) farming area name, and 7) display colour.
{"title":"A Method to Present the Uniqueness for Uniform Program Applied in Irrigation Telecontrol","authors":"Tatik Maftukhah, Sensus Wijonarko, None Purwowibowo, Dadang Rustandi, None Mahmudi, None Siddiq Wahyu Hidayat, None Jalu A. Prakosa, Emir Kartarajasa, None Ivan Mangaratua Siburian","doi":"10.5109/7151719","DOIUrl":"https://doi.org/10.5109/7151719","url":null,"abstract":": This study aims to show a trick to display the uniqueness of a steady program implied in irrigation telecontrol. The instrument comprises master terminal unit (MTU, master) and remote terminal unit (RTU). The MTU can exhibit the uniqueness of each instrument by inputting the RTU number. Then the program enters an array definition. The array definition makes every RTU seems unique and distinct from the others from the aspects of 1) MTU sim card number, 2) RTU sim card number, 3) background image, 4) farmer group, 5) farmer coordinator, 6) farming area name, and 7) display colour.","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
: The present study aims to develop a tool based on the Life Cycle Assessment approach considering multiple environmental indicators that can be systematically used for environmental evaluation of water treatment plants, and to recognize the environmental weak points of the plant that in turn leads to the identification and implementation of sustainable national water management policies that augment in achieving the United Nations Sustainable Development Goals (SDGs). The quantitative environmental evaluation of the water treatment plant reveled that electricity consumption primarily contributes to the majority of impact areas and indicators. As a result, an emphasis needs to be made on the use of green electricity generated from renewable resources to offset environmental concerns.
{"title":"Life Cycle Assessment of a Water Treatment Plant based on Non-Conventional Moving Bed Biofilm Reactor Process","authors":"Shradha Sarraf, Surinder Deswal","doi":"10.5109/7151687","DOIUrl":"https://doi.org/10.5109/7151687","url":null,"abstract":": The present study aims to develop a tool based on the Life Cycle Assessment approach considering multiple environmental indicators that can be systematically used for environmental evaluation of water treatment plants, and to recognize the environmental weak points of the plant that in turn leads to the identification and implementation of sustainable national water management policies that augment in achieving the United Nations Sustainable Development Goals (SDGs). The quantitative environmental evaluation of the water treatment plant reveled that electricity consumption primarily contributes to the majority of impact areas and indicators. As a result, an emphasis needs to be made on the use of green electricity generated from renewable resources to offset environmental concerns.","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"141 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135690303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
None Louay A. Rasheed, None Jamal A.-K. Mohammed, None Raed A. Jessam
: Solar air heater is often used to warm air for residential heating and drying agricultural products. Developing a single-pass absorber of the solar air heater in the form of a wire mesh layer will significantly improve its performance under certain climatic conditions. To further increase the efficiency of the modified solar heater so that it can adapt to all climatic conditions, an automatic control system combined with a fan motor has been designed and integrated with the heater to provide it with suitable parameters such as temperature and airflow rate. To determine the effect of the automatic fan speed control affects solar air heater performance, an experimental investigation is presented in this paper. Under identical weather conditions, two tests were conducted for two consecutive days, one without and one with using automated fan speed control. The control system was programmed to regulate outlet air temperature with a range of 40-60 °C. Accordingly, the fan speed is automatically changed in response to temperature variations. Online monitoring and adjustment of temperature will increase air temperature stability and stop oscillations despite varying solar radiation levels during daytime hours. With greater thermal efficiency than conventional technique, this technology encourages more even airflow and improved heat transfer, raising surface temperatures in the heater duct. By using automated control, the thermal efficiency of the heater is increased by roughly 39.5 %.
{"title":"Performance Enhancement of Solar Air Heater by Integrating Innovative Absorber Design and Automatic Control Flow Rate","authors":"None Louay A. Rasheed, None Jamal A.-K. Mohammed, None Raed A. Jessam","doi":"10.5109/7151693","DOIUrl":"https://doi.org/10.5109/7151693","url":null,"abstract":": Solar air heater is often used to warm air for residential heating and drying agricultural products. Developing a single-pass absorber of the solar air heater in the form of a wire mesh layer will significantly improve its performance under certain climatic conditions. To further increase the efficiency of the modified solar heater so that it can adapt to all climatic conditions, an automatic control system combined with a fan motor has been designed and integrated with the heater to provide it with suitable parameters such as temperature and airflow rate. To determine the effect of the automatic fan speed control affects solar air heater performance, an experimental investigation is presented in this paper. Under identical weather conditions, two tests were conducted for two consecutive days, one without and one with using automated fan speed control. The control system was programmed to regulate outlet air temperature with a range of 40-60 °C. Accordingly, the fan speed is automatically changed in response to temperature variations. Online monitoring and adjustment of temperature will increase air temperature stability and stop oscillations despite varying solar radiation levels during daytime hours. With greater thermal efficiency than conventional technique, this technology encourages more even airflow and improved heat transfer, raising surface temperatures in the heater duct. By using automated control, the thermal efficiency of the heater is increased by roughly 39.5 %.","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135690516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Identification for Thermal Energy Optimization in the Process of Esterification Through the Evaluation of Combustion Reactions in Thermal Oil Heater","authors":"Taopik Hidayat, Tata Sutardi, None Enny Rosmawar P, Wiwie Chaeruni, Rendi Januardi, Sarwo Turinno, None Zulramadhanie, None Cahyadi","doi":"10.5109/7151742","DOIUrl":"https://doi.org/10.5109/7151742","url":null,"abstract":"","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
None Tinton Dwi Atmaja, None Dalila Mat Said, None Sevia Mahdaliza Idrus, Ahmad Fudholi, Ahmad Rajani, Dian Andriani, Rudi Darussalam
: Rural off-grid electrification systems have gained increasing attention, particularly in developing countries with vast rural areas. It is known that many established microgrids (MG) in rural areas are being challenged with a complex cost situation and numerous rural interferences, leading to various microgrid performance deteriorations, which are barely unchecked and lead to MG early failure. To address this issue, this study aims to develop a management framework to provide elaborate information and systematic analysis of the potential deterioration of rural off-grid microgrids. This study summarizes, identifies, categorizes
{"title":"Integrated Management Framework for Performance Challenges in Rural Off-Grid Microgrids: Addressing Deterioration in Electrification Systems","authors":"None Tinton Dwi Atmaja, None Dalila Mat Said, None Sevia Mahdaliza Idrus, Ahmad Fudholi, Ahmad Rajani, Dian Andriani, Rudi Darussalam","doi":"10.5109/7151757","DOIUrl":"https://doi.org/10.5109/7151757","url":null,"abstract":": Rural off-grid electrification systems have gained increasing attention, particularly in developing countries with vast rural areas. It is known that many established microgrids (MG) in rural areas are being challenged with a complex cost situation and numerous rural interferences, leading to various microgrid performance deteriorations, which are barely unchecked and lead to MG early failure. To address this issue, this study aims to develop a management framework to provide elaborate information and systematic analysis of the potential deterioration of rural off-grid microgrids. This study summarizes, identifies, categorizes","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
: The Organic Rankine Cycle (ORC) power generation system is a unique approach to heat recovery which substitutes an organic fluid with a low boiling point for water. To improve its lower thermal efficiency and maximum power generation, an Internal Heat Exchanger (IHE) is proposed after the expansion scroll expander. Using a small-scale scroll expander ORC testing facility as the simulation model, this study analyzes the net thermal efficiency and energy consumption of the ORC system with and without the IHE under conditions of equivalent power output. While the working fluid's outlet temperature in the evaporator was adjusted from 70 to 130 degrees Celsius, the outlet condenser temperature was kept constant at 55, 60, and 65 degrees Celsius. In the numerical simulation of the small-scale ORC, five distinct working fluids, including R245fa, R123, R1233zd, n-Pentane, and R141b were assessed. The results indicated that R245fa had the largest recuperation effect on the working fluid, followed by n-Pentane, R1233zd, R123, and R141b, with a total thermal energy reduction of 3.34 kW, 2.63 kW, 2.06 kW, 1.9 kW, and 0.92 kW, respectively. In conclusion, the installation of IHE in ORC units leads to improved thermal
{"title":"Small-Scale Organic Rankine Cycle Performance Using an Additional Heat Exchanger","authors":"Dwika Budianto, Budi Ismoyo, None Cahyadi, Euis Djubaedah, Arnas Lubis, None M. Idrus Alhamid","doi":"10.5109/7151720","DOIUrl":"https://doi.org/10.5109/7151720","url":null,"abstract":": The Organic Rankine Cycle (ORC) power generation system is a unique approach to heat recovery which substitutes an organic fluid with a low boiling point for water. To improve its lower thermal efficiency and maximum power generation, an Internal Heat Exchanger (IHE) is proposed after the expansion scroll expander. Using a small-scale scroll expander ORC testing facility as the simulation model, this study analyzes the net thermal efficiency and energy consumption of the ORC system with and without the IHE under conditions of equivalent power output. While the working fluid's outlet temperature in the evaporator was adjusted from 70 to 130 degrees Celsius, the outlet condenser temperature was kept constant at 55, 60, and 65 degrees Celsius. In the numerical simulation of the small-scale ORC, five distinct working fluids, including R245fa, R123, R1233zd, n-Pentane, and R141b were assessed. The results indicated that R245fa had the largest recuperation effect on the working fluid, followed by n-Pentane, R1233zd, R123, and R141b, with a total thermal energy reduction of 3.34 kW, 2.63 kW, 2.06 kW, 1.9 kW, and 0.92 kW, respectively. In conclusion, the installation of IHE in ORC units leads to improved thermal","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
: The proton exchange membrane fuel cell (PEMFC) has a higher power density, so it is suitable to be utilized for powering electric vehicles (EVs) and supporting the grid’s power balance and voltage stability. As its load will vary during operation, the PEMFC system have to manage the fuel feed following load variations. In this study, a dead-end anode-type PEMFC system with a rated power of 1 kW is used to investigate its performance under current loading rates of 0–28 A in steady-state conditions. From the test results, the empirical models were derived and simulated in MATLAB. The test is conducted by measuring the PEMFC stack’s current, voltage, hydrogen flow rate, and purging behavior. The experimental results show a nonlinear correlation between stack current and voltage as well as its efficiency of hydrogen consumption to the electricity generated. The hydrogen flow rate exhibits a linear relationship to the generated power output in normal operation, neglecting the purging flow rate. Meanwhile, the total consumed hydrogen, including purging process, performs an exponential result which indicates more hydrogen was consumed for purging. Moreover, the observed purging behavior shows that the load current affects the purging interval time in an exponential decay manner. Some possible control methods are then discussed to control the hydrogen flow that dynamically follow the load variation and enable a not-complete purge; thus, the hydrogen consumption could be optimized and the excess hydrogen during the purging could be minimized.
{"title":"Performance Test of 1 kW PEM Fuel Cell System to Determine Its Empirical Model","authors":"Khotimatul Fauziah, None Kurniawan, Asih Kurniasari, Yuli Astriani, Bayu Samodra, Didik Rostyono, None Eniya Listiani Dewi","doi":"10.5109/7151761","DOIUrl":"https://doi.org/10.5109/7151761","url":null,"abstract":": The proton exchange membrane fuel cell (PEMFC) has a higher power density, so it is suitable to be utilized for powering electric vehicles (EVs) and supporting the grid’s power balance and voltage stability. As its load will vary during operation, the PEMFC system have to manage the fuel feed following load variations. In this study, a dead-end anode-type PEMFC system with a rated power of 1 kW is used to investigate its performance under current loading rates of 0–28 A in steady-state conditions. From the test results, the empirical models were derived and simulated in MATLAB. The test is conducted by measuring the PEMFC stack’s current, voltage, hydrogen flow rate, and purging behavior. The experimental results show a nonlinear correlation between stack current and voltage as well as its efficiency of hydrogen consumption to the electricity generated. The hydrogen flow rate exhibits a linear relationship to the generated power output in normal operation, neglecting the purging flow rate. Meanwhile, the total consumed hydrogen, including purging process, performs an exponential result which indicates more hydrogen was consumed for purging. Moreover, the observed purging behavior shows that the load current affects the purging interval time in an exponential decay manner. Some possible control methods are then discussed to control the hydrogen flow that dynamically follow the load variation and enable a not-complete purge; thus, the hydrogen consumption could be optimized and the excess hydrogen during the purging could be minimized.","PeriodicalId":12085,"journal":{"name":"Evergreen","volume":"375 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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