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Sustainable Hybrid Village: Regeneration of Settlement in Jatinegara, Indonesia

IOP Conference Series: Earth and Environmental Science 2020年第1期520卷

作者： T Endangsih B Prayitno A Kusumawanto Programe Study Architecture Faculty of Engineering Universitas Budi Luhur Student Doctoral Program Departement of Architecture and Planning Faculty of Engineering Universitas Gadjah Mada Departement of Architecture and Planning Faculty of Engineering Universitas Gadjah Mada

Over the past few decades, cities have experienced severe social and economic pressures, which have a disproportionate impact on the urban environment. As a result, the quality environment has decreased, which is characterized by increased CO2 emissions and energy operating costs. Sustainable city development is considered as a step to create a pleasant environment for the community. Therefore, this research is essential to do to regenerate settlements in improving urban quality. This study aims to find a model for developing sustainable hybrid settlements in densely populated areas. The research method with the simulation method uses the Urban Modeling Interface device with three parameters. The modeling results obtained a Floor Area Ratio (FAR) value of 0.43 with a total land area of ± 427,233 m2. The FAR value produces an operational energy value of 3,983kwh / m2 / year and an embodied energy value of 216 kWh / m2 / year. This value is very high from 240 kWh / m2 / year as a standard for energy use. The amount of mobility in the aspect of walkability is 21-68, and 21-69 for the value of Bikeability. The results of this simulation indicate that the residential area in Jatinegara is not yet sustainable.

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Roadmap on Nonlocality in Photonic Materials and Metamaterials

arXiv

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arXiv 2025年

作者： Monticone, Francesco Mortensen, N. Asger Fernández-Domínguez, Antonio I. Luo, Yu Tserkezis, Christos Khurgin, Jacob B. Shahbazyan, Tigran V. Chaves, André J. Peres, Nuno M.R. Wegner, Gino Busch, Kurt Hu, Huatian della Sala, Fabio Zhang, Pu Ciracì, Cristian Aizpurua, Javier Babaze, Antton Borisov, Andrei G. Chen, Xue-Wen Christensen, Thomas Yan, Wei Yang, Yi Hohenester, Ulrich Huber, Lorenz Wubs, Martijn de Liberato, Simone Gonçalves, P.A.D. de Abajo, F. Javier García Hess, Ortwin Tarasenko, Illya Cox, Joel D. Jelver, Line Dias, Eduardo J.C. Sánchez, Miguel Sánchez Margetis, Dionisios Gómez-Santos, Guillermo Stauber, Tobias Tretyakov, Sergei Simovski, Constantin Pakniyat, Samaneh Gómez-Díaz, J. Sebastián Bondarev, Igor V. Biehs, Svend-Age Boltasseva, Alexandra Shalaev, Vladimir M. Krasavin, Alexey V. Zayats, Anatoly V. Alù, Andrea Song, Jung-Hwan Brongersma, Mark L. Levy, Uriel Long, Olivia Y. Guo, Cheng Fan, Shanhui Bozhevolnyi, Sergey I. Overvig, Adam Prudêncio, Filipa R. Silveirinha, Mário G. Gangaraj, S. Ali Hassani Argyropoulos, Christos Huidobro, Paloma A. Galiffi, Emanuele Yang, Fan Pendry, John B. Miller, David A.B. School of Electrical and Computer Engineering Cornell University IthacaNY14853 United States POLIMA Center for Polariton-driven Light–Matter Interactions University of Southern Denmark Campusvej 55 Odense MDK-5230 Denmark D-IAS—Danish Institute for Advanced Study University of Southern Denmark Campusvej 55 Odense MDK-5230 Denmark Departamento de Física Teórica de la Materia Condensada Universidad Autónoma de Madrid MadridE-28049 Spain Universidad Autónoma de Madrid MadridE-28049 Spain School of Electrical and Electronic Engineering Nanyang Technological University Singapore639798 Singapore Key Laboratory of Radar Imaging and Microwave Photonics Ministry of Education College of Electronic and Information Engineering Nanjing University of Aeronautics and Astronautics Nanjing211106 China Department of Electrical and Computer Engineering Johns Hopkins University BaltimoreMD21218 United States Department of Physics Jackson State University JacksonMS39217 United States Department of Physics Aeronautics Institute of Technology SP So Jos dos Campos12228-900 Brazil Departamento de Física Universidade do Minho BragaP-4710-057 Portugal Av Mestre José Veiga Braga4715-330 Portugal Max-Born-Institut Berlin12489 Germany Humboldt-Universität zu Berlin Institut für Physik AG Theoretische Optik and Photonik Berlin12489 Germany Center for Biomolecular Nanotechnologies Istituto Italiano di Tecnologia Via Barsanti 14 Arnesano73010 Italy Via Monteroni Campus Unisalento Lecce73100 Italy School of physics Huazhong University of Science and Technology Luoyu Road 1037 Wuhan430074 China Donostia International Physics Center DIPC Donostia-San Sebastián20018 Spain Ikerbasque Basque Foundation for Science Bilbao48009 Spain Department of Electricity and Electronics University of the Basque Country Leioa48940 Spain Department of Applied Physics University of the Basque Country Donostia20018 Spain Université Paris-Saclay CNRS Institut des Scienc

Photonic technologies continue to drive the quest for new optical materials with unprecedented responses. A major frontier in this field is the exploration of nonlocal (spatially dispersive) materials, going beyond the local, wavevector-independent assumption traditionally made in optical material modeling. On one end, the growing interest in plasmonic, polaritonic and quantum materials has revealed naturally occurring nonlocalities, emphasizing the need for more accurate models to predict and design their optical responses. This has major implications also for topological, nonreciprocal, and time-varying systems based on these material platforms. Beyond natural materials, artificially structured materials—metamaterials and metasurfaces–can provide even stronger and engineered nonlocal effects, emerging from long-range interactions or multipolar effects. This is a rapidly expanding area in the field of photonic metamaterials, with open frontiers yet to be explored. In the case of metasurfaces, in particular, nonlocality engineering has become a powerful tool for designing strongly wavevector-dependent responses, enabling enhanced wavefront control, spatial compression, multifunctional devices, and wave-based computing. Furthermore, nonlocality and related concepts play a critical role in defining the ultimate limits of what is possible in optics, photonics, and wave physics. This Roadmap aims to survey the most exciting developments in nonlocal photonic materials, highlight new opportunities and open challenges, and chart new pathways that will drive this emerging field forward–toward new scientific discoveries and technological advancements. Copyright © 2025, The Authors. All rights reserved.

关键词： Nanocrystals

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study of sustainable production in two-phase liquid dominated with steam cap underlying brine reservoir by numerical simulation 6

Study of sustainable production in two-phase liquid dominate...

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6th ITB International Geothermal Workshop, IIGW 2017

作者： Pratama, Heru Berian Saptadji, Nenny Miryani Study Program of Geothermal Engineering Faculty of Mining and Petroleum Engineering Bandung Institute of Technology Indonesia Jl. Ganesha No.10 West Java Bandung40132 Indonesia

The main issue in the management of the two-phase liquid-dominated geothermal field is rapid decline pressure in the reservoir so that the supply of steam to the power plant cannot be fulfilled. To understanding that, modelling and numerical simulation used reservoir simulators. The model is developed on liquid-dominated geothermal fields are assessed in various scenarios of production strategies (focusing only steam cap, brine reservoir and a combination) and injection strategies (deep and shallow injection, centered and dispersed injection), with the calculation using separated steam cycle method. The simulation results of the model for sustainable production are production 25% from steam cap + 75% from brine reservoir, dispersed and deep reinjection with make-up wells from steam cap results 9 make-up well number. The implementation of production-injection strategy needs to be planned right from the beginning of exploitation so that the strategy can adapt to changes in reservoir characteristics. © Published under licence by IOP Publishing Ltd.

关键词： Numerical models

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Geochemical Approach to Reveal the Genetic Occurrence of Gibbsite, Relative to the Parent Rock Type in Lateritic Bauxites 1

Geochemical Approach to Reveal the Genetic Occurrence of Gib...

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1st Workshop on Environmental Science, Society, and Technology, WESTECH 2018

作者： Nugraheni, R.D. Sunjaya, D. Geological Engineering Study Program Faculty of Earth Technology and Energy Universitas Trisakti Jl. Kyai Tapa No.1 Grogol Jakarta Barat Indonesia PT Aneka Tambang Tbk. Unit Geomin Jl. Letjen T.B. Simatupang No.1 Jakarta Selatan Indonesia

Situating in a tropical climate, will be favourable for Indonesia and Malaysia to have an intensive weathering and a concentration of lateritic bauxite. The study area takes place in Kuantan, Pahang State, Malaysia and Landak area, West Kalimantan, Indonesia. The study area has different type of parent rock, topography and drainage condition, which will also cause the different characteristics of alumina minerals in bauxite. One of the common form of alumina minerals is known as Gibbsite [Al(OH)3]. The objective of this research is to investigate the genesis of gibbsite from two different parent rocks. Samples were taken and collected from pitting, analyzed for Al2O3, Fe2O3, SiO2 and TiO2 using XRF and XRD examination. The parent rock of bauxite in Kuantan is basalt, meanwhile, in Landak, ranges from granodiorite to andesite. Petrography and XRD analyses of Kuantan bauxite shows predominant gibbsite, with minor amount of geothite, hematite, kaolinite, illite, quartz and feldspar, while in Landak, mineralogically consists of variant amount of gibbsite, goethite, hematite, kaolinite, illite and quartz. In Kuantan, the amount of Al2O3 varies from 23.6% - 51.01%, nearly similar than that in Landak that varies from 31.35% - 55.03%. Gibbsite in Kuantan is assumed as a transformation of Ca-rich plagioclase and Ferromagnesian- silicate minerals, on the other hand, gibbsite in Landak was produced from direct weathering of primary Al- silicate minerals (Na- plagioclase and K-feldspar). From study, it can be inferred that gibbsite formed from a layer of silicates and will concentrated in finer clay as a weathering product. Moreover, the different types of parent rock will produce different types and amount of alumina minerals. The study will be beneficial to predict the existence of potential alumina minerals in lateritic bauxite. © Published under licence by IOP Publishing Ltd.

关键词： Weathering

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Solar air heater for preheating the air of broiler house 6

Solar air heater for preheating the air of broiler house

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6th International Conference on Sustainable Energy engineering and Application, ICSEEA 2018

作者： Hanifah, Umi Abdurrachim, A. Adriansyah, Willy Centre of Appropriate Technology Development Indonesian Institute of Sciences Subang Indonesia Study Program of Mechanical Engineering Faculty of Mechanical and Aerospace Engineering Bandung Institute of Technology Bandung Indonesia

ISBN: (纸本)9781538666838

Theoretical studies have been conducted on the application of solar air heater for preheating the air of broiler house. The air heating system of broiler house was use a gas air heater and equipped with rocks bed as the thermal storage medium. The study was conducted for the broiler house with the capacity of 30,000 chickens, which is a house with a size of 100 m x 12 m and has two floors, each floor with a capacity of 15,000 chickens. This study aims to determine the potential amount of savings the use of LPG and operating costs of heating chicken coops during the brooding period (2 weeks of starting the chicken farm) on a chicken coop that using the additional solar air heater and heat storage medium compared to air gas heater only. The study shows that the proposed heating system can save gas usage as much as 613.06 kg per harvest cycle. However, the proposed heating system requires additional electrical energy to operate the fan/blower, amounting to 700.66 kWh per crop cycle. The operational cost savings of the proposed heating system is IDR 6,066,358,-per crop cycle (the calculation basis as of November 2015). © 2018 IEEE.

关键词： Solar energy

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Improvement Suggestion Performance of Blowing Machine Line 4 with Total Productive Maintenance (TPM) Method at PT. Coca-Cola Amatil Indonesia MedanUnit 1

Improvement Suggestion Performance of Blowing Machine Line 4...

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1st International Conference of SNIKOM 2018, ICoSNIKOM 2018

作者： Irwansyah, Defi Harahap, M.R.F. Erliana, Cut Ita Abdullah, Dahlan Sari, Ayuesteka Siregar, Nurintanasyiah Achmaddaengs, G.S. Indahingwati, Asmara Sumartono, Eko Wilujeng, Sri Nurmawati Subekti, Purwo Kurniasih, Nuning Rosalina, Febrianti Hartono, H. Departement of Industrial Engineering Universitas Malikussaleh Aceh Indonesia Departement of Informatics Universitas Malikussaleh Aceh Indonesia Department of Management STIE Sakti AlamKerinci Jambi Indonesia Department of Management STIE Labuhanbatu Sumatera Utara Indonesia Department of Management Universitas 45 Surabaya Indonesia Department of Management School of Economics Indonesia STIESIA Surabaya Indonesia Faculty of Agriculture Universitas Bengkulu Bengkulu Indonesia Department of Management Faculty of Economy Universitas Kanjuruhan Malang Indonesia Program Study of Industrial Engineering University of 45 Surabaya Indonesia Mechanical Engineering Pasir Pengaraian University Riau Indonesia Faculty of Communication Sciences Library and Information Science Program Universitas Padjadjaran Bandung Indonesia Department of Agrotechnology Universitas Muhammadiyah Sorong Sorong Indonesia Department of Computer Science STMIK IBBI Medan Indonesia

Maintenance is an activity to maintain facilities or equipment of the factory and make repairs or adjustments to the necessary replacement to satisfactory condition of production operations in accordance with what is planned. Companies often experience damage to the Blowing machine so that interconnected machines cannot be operated. The purpose of this study was to improve the performance of Blowing line 4 engines with the Total Productive Maintenance (TPM) method at PT. Coca-Cola Amatil Indonesia Medan Unit, also to determine the level of Blowing machine performance based on the analysis of overall equipment effectiveness (OEE) at PT. Coca-Cola Amatil Indonesia Medan Unit. The method used in this study is the overall equipment effectiveness (OEE) method to measure Ishikawa's treatments and diagrams to compare and propose low engine performance. The results of data processing shows machine maintenance has not comply the OEE standards in July 81.48%, August 81.48%, September 78.07%, October 81.22%, November 78.08%, and those that fill the standards in June amount to 86.48%, with losses that most affect the effectiveness of equipment in line 4 blowroom machine is Equipment Failure Losses of 11.42% based on the results of the study, the proposed improvement in engine performance is to provide training to employees, and increase operator awareness. against engine damage, thus the production process will run smoothly. © Published under licence by IOP Publishing Ltd.

关键词： Data handling

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Analysis of number of fruit loss in the fruit distribution process: Case study of banana fruit

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AIP Conference Proceedings 2020年第1期2227卷

作者： Muhammad Noval Irsyadillah Cindy Rianti Priadi Benny Tjahjono Maulida Fitri Brilyana Bela Islami 1Environmental Engineering Study Program Department of Civil Engineering Faculty of Engineering Universitas Indonesia Indonesia 2Faculty Research Centre for Business in Society Coventry University United Kingdom

Banana fruit has the highest production rate in Indonesia with a total production of 7.01 million tons/year. However, the amount of fruit waste from the supply chain that supports the production is still uncertain. This study is aimed to analyze the production of fruit waste from the distribution process and to provide some suggestions in optimizing the its process. Data were obtained through direct sampling on three stages i.e. farmers, wholesalers, and retailers. The parameters analyzed temperature, humidity, and waste generation. The results showed that farmers did not produce waste because all the postharvest fruits were sold to the wholesalers. The wholesalers generated average waste 1.98% per total inventory. The retailers produced 2 types of waste from transportation with the average waste generation of 0.67% per total inventory, and daily waste with the average generation of 2.53% per total inventory. Based on this study, improvement in handling systems at distribution process are needed to prevent waste generation. The implementation of countermeasures is also needed by applying the circular economy to improve the efficiency, minimize the waste generation, and improve the profits. The potential actions than can be implemented are utilizing the waste for animal feed and composting.

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Assessment of safety performance level on simple urban residential building: Case study at Bogor city Indonesia

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IOP Conference Series: Materials Science and engineering 2020年第1期712卷

作者： M Lutfi H Arien M Hendrawati P J Ramadhansyah N I Ramli Civil Engineering Study Program Faculty of Engineering & Science Ibn Khaldun University 16162 Bogor Indonesia Institute for Research and Community Services Ibn Khaldun University 16162 Bogor Indonesia Student of Civil Engineering Study Program Faculty of Engineering & Science Ibn Khaldun University 16162 Bogor Indonesia Faculty of Civil Engineering Technology Universiti Malaysia Pahang 26300 Gambang Pahang Malaysia

Simple urban residential building must meet the technical requirements set forth in the building and structure law number 28 of 2002. In the city of Bogor, especially in the densely populated village of Kayumanis, there are areas that have the potential of landslides. In that area, there are some houses that have been damaged by the movement of land and landslides that can threaten the safety of its inhabitants. Therefore they need to stay aware about potential collapse of several parts of house structures, and then understand how to evacuate to safer area, outside of the house after the incident was stopped. Based on these conditions, it is necessary to evaluate buildings in accordance with FEMA on the safety level of buildings. The structure and modeling analysis using SAP 2000-V10 and Indonesia Standard. Specification of simple urban residential building using the reinforced concrete material with the quality of concrete (fc') 17 MPa, 15x15 cm column dimension, 15x18 cm beam dimension and 4D12 BJTP main reinforcement, and shear reinforcement D8-20. The results of the analysis of urban residential building structures shown in 3D form, obtained values for column structure elements almost close to failure are marked with orange color, while for the element of the beam structure is declared safe marked with green color. From result of modeling analysis referring to FEMA 356 obtained value C0 = 1.0; C1 = 1.378; C2 = 1.0; C3 = 1.0; Sa = 1.011; and Te = 0.2206, which states the value of the displacement target is 0.02 m which is categorized to be at 'The Life Safety' (LS) performance level. This means that if there is a movement of land, the structure of the house is declared stable and has adequate service capacity and damage non-structural part is still controlled.

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The Indonesia high-speed train traveler preference analysis (case study: Jakarta-Bandung)

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AIP Conference Proceedings 2020年第1期2227卷

作者： Tri Tjahjono Andyka Kusuma Nuryani Tinumbia Ahmad Septiawan 1Department of Civil Engineering Faculty of Engineering Universitas Indonesia Kampus UI Depok Indonesia 2Study Program of Civil Engineering Faculty of Engineering Universitas Pancasila Serengseng Sawah South Jakarta Indonesia

This study assesses the potential passenger preference of the High-Speed Train infrastructure, which connects Jakarta – Bandung. The study aims to understand the potential HST passenger travel characteristics, which is important in predicting the HST demand. This study conducts a roadside interview using a stated preference methodology for several transport modes passenger serving Jakarta-Bandung, namely; private vehicle, train, intercity bus and paratransit. Moreover, the study extends in observing the short trip passenger preference. The analysis defines that the preferred fares are 300.000 (20 USD), which is increased compared to 2016 studies. The forecasting results of the demand for fast trains based on the probability of modal transfers amounted to 54,764 passengers per day with details of the number of trips Jakarta-Bandung was 27,005 while the Bandung-Jakarta trip was 27,759. The results for a significant difference between the total daily trips of Bandung-Jakarta and Jakarta-Bandung have already been seen since the initial statistical analysis where according to survey data, people who travelled Bandung-Jakarta were more elastic compared to Jakarta-Bandung trips. This finding shows clearly that the passenger traffic vehicle capitulates with the current road traffic highway conditions. Note that they are more uncertainty in condition on road traffic in comparison to the railway passenger. In more details, sensitivity analysis indicates that the passenger from Jakarta is more comfortable to shift using the HST compared to the passenger from Bandung. There is an indication that the Jakarta people have a higher value of time as they have a higher preference to shift toward faster transport mode compared to Bandung people. This information is also useful for operation policy, including ticketing differentiation based on the travel time period and travel origin-destination.

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Designing louvers toward optimum daylight performance in Indonesia: a parametric study

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IOP Conference Series: Earth and Environmental Science 2021年第1期907卷

作者： R P Khidmat H Fukuda Kustiani A P Wibowo Graduate School of Environmental Engineering The University of Kitakyushu Japan Architecture Study Program Institut Teknologi Sumatera Indonesia Department of Architecture Faculty of Environmental Engineering The University of Kitakyushu Japan Department of Architecture Universitas Bandar Lampung Indonesia Department of Architecture Universitas Atma Jaya Yogyakarta Indonesia

Architecture has a strong relationship with the daylight universe. It implicates further occupants' behaviour toward visual comforts, healthiness, and energy consumption. The daylight simulation in the early phase of design benefits the architect in predicting the possibilities of daylight-related target goals during the design process. A shading system is one of the strategies in approaching passive design to prevent an excessive amount of undesirable daylight intensity. This paper investigates different sun louvers shading patterns and their relation to the Useful Daylight Illuminance (UDI) in the context of Indonesia, presented by incorporating the EPW file of Jakarta. Parametric and multi-objective optimization has been used to optimize, explore, and map the design possibilities based on the louver shading component as dynamic parameters. Rhinoceros and Grasshopper, as parametric-based modelling software, were used as the primary modelling platform, while the Honeybee and Ladybug plugin were used to undergo the daylight-related environmental analysis. The design exploration iterates 2.160 design solutions with a value of dynamic parameters and the targeted UDI value embedded in each. The results show that the solution founded from iteration process has more areas of illuminance within 300 lx to 500 lx by about 15%.

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