32 research outputs found
Thermal properties of water-ethylene glycol based hybrid Al2O3-SiO2 nanofluids in PEMFC cooling plate / Muhammad Syafiq Idris
No full textProton Electrolyte Membrane fuel cell (PEMFC) is seen as one of the viable alternative energies to internal combustion engine (ICE) due to the clean product bypass. However, the performance of PEMFC needs to be optimized through excellent thermal management. The main duty of thermal management system is to maintain the desirable temperature with a uniform temperature distribution across the stack and individual membranes
Pernikahan Wanita Janda Perspektif Syafiq Riza Basalamah
No full textThe status of a widowed woman is a difficult and emotional challenge because they must take care of their needs and their children alone, and they also have to feel the psychological burden of the surrounding community, because society in general still views widow status negatively. Widowed women, if they decide to remarry after a divorce, are underestimated by most people and even labeled with negative things. This research was conducted with the author raising the perspective of an Ahlusunnah da'i, namely Syafiq Riza bin Hasan bin Abdul Qadir bin Salim Basalamah. He is an Ahlusunnah da'i who often discusses Islamic law and marriage based on the foundation of the Qur'an and Hadith. Hence, the purpose of this study is to provide insight and information about the law of remarriage for widowed women and the wisdom of marrying widowed women from an Islamic perspective and the perspective of Syafiq Riza Basalamah. This research was conducted using a qualitative approach method that uses content analysis where data sources are obtained from YouTube videos, books, and several scientific papers. Thus, the results of this study have found that the law of remarriage for widowed women from an Islamic perspective and the perspective of Syafiq Riza Basalamah is that it is permissible not to do so and is obligatory under certain conditions, and helping widows is not only marrying but also meeting their needs.Status wanita janda merupakan tantangan emosional yang berat dan sulit karena mereka harus mengurus kebutuhan hidupnya serta anaknya dengan seorang diri, bahkan mereka juga harus merasakan beban psikologis dari masyarakat sekitarnya, karena masyarakat pada umumnya masih memandang negatif status janda. Wanita janda pun jika memutuskan untuk menikah kembali setelah bercerai, dipandang sebelah mata oleh kebanyakan masyarakat umumnya bahkan dilabeli dengan hal-hal negatif. Penelitian ini dilakukan dengan penulis mengangkat perspektif seorang da’i Ahlusunnah yaitu Syafiq Riza bin Hasan bin Abdul Qadir bin Salim Basalamah. Beliau adalah da’i Ahlusunnah yang sering membahas hukum Islam dan pernikahan berdasarkan landasan Al-Qur’an dan Hadits. Dengan demikian maka, tujuan dari penelitian ini adalah untuk memberikan wawasan dan informasi tentang hukum menikah kembali bagi wanita janda dan hikmah menikahi wanita janda perspektif Islam dan perspektif Syafiq Riza Basalamah. Penelitian ini dilakukan dengan memakai metode pendekatan kualitatif yang menggunakan analisis isi dimana sumber data yang didapatkan melalui dari video youtube, buku-buku, serta beberapa karya ilmiah. Dengan demikian, hasil dari penelitian ini telah diketahui bahwa hukum menikah kembali bagi wanita janda perspektif Islam dan perspektif Syafiq Riza Basalamah adalah boleh untuk tidak melakukannya dan wajib dengan syarat tertentu, serta menolong janda bukan hanya menikahi tetapi juga memenuhi kebutuhannya
Water: ethylene glycol properties alteration upon dispersion of Al2O3 and SiO2 nanoparticles / Muhammad Syafiq Idris, Irnie Azlin Zakaria and Wan Azmi Wan Hamzah
No full textProton exchange membrane fuel cell (PEMFC) seems to be a popular option as a green energy carrier due to its high efficiency and pollutant-free operation. However, the slight temperature difference between the working temperature and surroundings requires innovation in cooling strategy. Active thermal management strategy is limited due to the larger space requirement. Alternatively, utilizing nanofluids as coolant as the passive cooling strategy tends to be a viable quick fix. In this research, thermophysical properties of Al₂O₃:SiO₂ hybrid nanofluids in the base fluid of water: Ethylene Glycol (EG) were discussed comprehensively concerning alterations made in thermal conductivity, dynamic viscosity, and electrical conductivity properties. There were four mixture ratios of 0.5% volume concentration of hybrid nanofluids considered ranging from 10:90, 30:70, 50:50, and 70:30 Al₂O₃:SiO₂. Upon completion of the study, there is an improvement of 9.8% shown in 10:90 Al₂O₃:SiO₂ hybrid nanofluids for thermal conductivity measured at 60'C in comparison to the base fluid. Meanwhile, 10:90 Al₂O₃:SiO₂ hybrid nanofluids are also favorable with the lowest values of viscosity as compared to other mixture ratios resulting in lower parasitic loss. Electrical conductivity on the other hand also showed an increment in 10:90 Al₂O₃:SiO₂ hybrid nanofluids
as compared to base fluid and other mixture ratios
Performance of hybrid AI2O3:SiO2 W:EG in PEM fuel cell distributor plate / Muhammad Syafiq Idris … [et al.]
No full textEfficient thermal management is essential for the optimal performance and durability of the Proton Exchange Membrane Fuel Cell (PEMFC). However, the conventional passive cooling methods require a larger heat exchanger for better heat dissipation. Alternatively, nanofluids as a coolant have gained attention recently due to their enhanced heat transfer properties. This investigation aims to evaluate the thermal performance of hybrid nanofluids in a distributor type of PEMFC cooling plate. In this investigation, 0.5% volume concentration of mono Al2O3, mono SiO2 nanofluids, and hybrid Al2O3:SiO2 nanofluids with a mixture ratio of 10:90, 30:70, 50:50, and 70:30 in 60:40 W:EG were investigated. The cooling plate was modelled and a fixed heat flux of 6500 w/m2 was applied to replicate the actual working parameter of PEMFC. The study shows that the heat transfer coefficient was improved by 61% in 10:90 hybrid nanofluids of Al2O3:SiO2 in W:EG in comparison to the base fluid. Meanwhile, the accompanied pressure drops in 10:90 hybrid nanofluids of Al2O3:SiO2 in W:EG show a reduction up to 4.38 times lower as compared to single Al2O3 nanofluids at Re 1800. This is advantageous since it will reduce the parasitic loss related to the PEM fuel cell
Development of Al-Qur'an Hadith Learning Media in the Form of a Board Book for Hijaiyah Letters Material at MIN Medan
No full textTeachers have steps to increase learning effectiveness, including designing open materials and learning media. The ability to develop learning tools needs to continue to be improved so that learning is more varied and prevents student boredom. This research proposes a solution by introducing hijaiyah letters to children through board books. With a research and development (R&D) approach, this research uses the ADDIE (Analysis-Design-Develop-Implement-Evaluate) model to create and test product effectiveness. Research Refers to the Reiser and Mollenda model for learning system design. By applying the ADDIE approach, this research includes a variety of data collection methods, including boardbook media trials, needs analysis, media development and media feasibility evaluation. Research instruments, such as validation sheets and student response questionnaires, were used to collect data in developing Al-Qur'an Hadith learning media in the form of boardbooks in class 1 at MIN 1 Medan City
Mengkaji Tafsir antara Kelisanan dan Cetak Jurnal The Kyai’s Voice and Arabic Qur’an (Translation, Orality, and Print in Modern Java) Johanna Pink
No full textTulisan ini berfokus pada pengkajian jurnal tafsir antara kelisanan dan cetak praktik penerjemahan Al-Qur’an ke dalam bahasa Jawa di era pasca kemerdekaan Indonesia. Karya yang muncul menunjukkan bahwa jangkauan praktik penerjemahan jauh melampaui pengertian kontemporer tentang penerjemahan kitab suci. Hal ini berkaitan dengan status orang Jawa di negara yang bahasa cetaknya dominan adalah bahasa Indonesia. Mempelajari kegiatan penerjemahan dalam berbagai dapat memperluas perspektif tentang praktik penerjemahan kontemporer. Penelitian ini memiliki tujuan untuk mengkaji Tafsir Antara Kelisanan dan Cetak Dalam Jurnal The Kyai’s Voice And The Arabic Qur’an (Translation, Orality, And Print In Modern Java) milik Johanna Pink. Penelitian ini menggunakan jenis penelitian studi pustaka/library research. Dimana penelitian ini dilakukan berdasarkan hasil kajian tertulis seperti buku atau hasil penelitian, dan model penelitian ini menggunakan penelitian analisis deskritif. Dimana pendekatan data-datanya berasal dari beberapa jurnal yang sudah terakreditasi, buku, dan didapatkan melalui internet, lalu di analisis secara pribadi, yang dimana sumber data penelitian berasal dari data primer yakni Jurnal ‘The Kyai’s voice and Arabic Qur’an’ karya Johanna Pink yang diterbitkan pada tahun 2020. Berdasarkan hasil kajian yang dilakukan, peneliti menunjukkan bahwa analisis terhadap empat terjemahan Al-Qur’an Bahasa Jawa tersebut merumuskan model terjemahan Al-Qur’an berbahasa Jawa Pertama, terjemahan literal yang ditulis sangat dekat dengan struktur asal teks Arab Al-Qur’an, Kedua, transliterasi grammatikal yang mengikuti sistem makna Gandhul; dan Ketiga, transliterasi naratif
The Study of Flow Dynamics in Long Pipeline for the Transport of Carbon Dioxide (CO2)
No full textCarbon dioxide (CO2) capture and storage (CCS) is usually considered as a chain consisting three separate elements; capture, transport and storage of the CO2. The capture and the storage are the two most studied parts of the CCS chain; however, the transport also gives the important roles in this system. For this study, the title of the project is to study the dynamics of the flow in the long pipeline for the transport of CO2.
The dynamics flow of the CO2 transport in a long pipeline was studied and analyzed. At first, before the study is carried out, the author thinks of the uncertainties that will arise in the transport of CO2. Some of the uncertainties that might occur are the effect of the flow, the pressure drop and the changes of the temperature but for this research, the author will do the study of the effect of the flow and the changes in the velocity and the pressure in long pipeline of the CO2 transport.
For the completion of this study, the author used two main methods which is using the research methodology and construction of the pipeline model using the Computational Fluid Dynamics (CFD) software. The research is carried out for the project’s concept understanding. The research had been done by reading the technical articles, and the previous related research from various author. Later the model is constructed using the CFD software.
As expected, for a very long and open ended pipeline, the pressure will drop as the length of the pipeline increases. Besides that the bending angle of the pipe also give impact to the flow of the CO2; the greater the bending angle of the pipeline, the higher the CO2 flow pressure will loss. In addition, in the bending pipeline, there will be a back flow occurred to the CO2 flo
Short Notes of Fish Larvae from Samunsam River, Sarawak
No full textFish larvae studies are important to fisheries management as they provide information that might aid fisheries management and can contribute in predicting fish stocks recruitment. Plus, the composition can also serve as an indicator for the health status of aquatic environment. There is not much of information about fish larvae composition in Sarawak freshwater especially from Sarawak’s state sanctuaries. Therefore, this study was conducted to determine the composition of fish larvae of Samunsam River which is located within Samunsam Wildlife Sanctuary - the oldest
wildlife sanctuary in Sarawak. Samples were collected from ten stations using ring plankton net (0.5 mm mesh size) and towed horizontally by a boat. A total of 8,191 fish larvae which belongs to 15 families were identified, namely Ambassidae, Apogonidae, Bagridae, Belonidae, Clupeidae,
Cyprinidae, Engraulidae, Gerridae, Gobiidae, Haemulidae, Hemiramphidae, Muraenidae, Phallostethidae, Serranidae and Tetraodontidae. Family Phallostethidae showed the highest
number of catch mostly from upstream stations. These baseline data are hoped to be useful for future management of Samunsam River
Analisis Hambatan Penyandaran Kapal Yang Diageni Oleh PT. PelayaranSamudera Karana Line Sub Cabang Dumai
No full textThis final assignment aims to examine the impact of berthing barriers that PT. Pelayaran Samudera Karana Line Sub Branch Dumai and the efforts made by the agent to overcome these problems. The formulation of this problem is to find obstacle factors, impacts and efforts, so that in the future the berthing returns to normal. The purpose of this research is to understand the duties of the agent from the beginning of the arrival and departure of the ship, the author knows more about the impact of the berthing obstacles, understands and knows what efforts are made by the agent when there are obstacles to the berthing of the ship that is agented by PT. Pelayaran Samudera Karana Line Sub Branch Dumai, this research was conducted from July 2023 to November 2023 this research uses qualitative methods, shows that the implementation of berthing or berthing in the dumai peraiaran is experiencing obstacles due to cargo that is not ready, export documents, replacing ships that are docked and maintenance on the inaportnet system. The agent must re-create a new PPK (Determination of Ship berthing) on the inaportnet system and directly coordinate with KSOP, the impact of obstacles also causes complaints from the ship charterer which has an impact on the relationship between the charterer and the agent becomes less good
Pengembangan Nalar Kritis dalam Pendidikan Transformatif di Pesantren
No full textThe era of disruption is a reality of life that undergoes changes in systems, orders, principles and values in human life. Education is no exception. Education in the 21st century is subject to a complete change. This era demands that humans coexist with information technology with which humans without limitations can access everything, only with their fingers and smartphones. This disruption in some phenomena has become a gift from God, when someone wants to attend a recitation forum he can simply open a smartphone and access it via the internet but in some phenomena, this disruption is also a disaster, because information technology is now a human being without morals, already pitting each other and slander each other. This is where critical reasoning is needed. With Critical Reasoning, humans will not just take it as it comes. They will look for the origin of the phenomena that occur. Humans will not easily conclude an incident that is visible to the eye. With descriptive analysis research method the author will examine the critical reasoning contained in the concept of Transformative education. And how to apply it in Islamic educational institutions such as Islamic boarding schools. The results of the research conducted by the author are that there are two learning cultures that have the spirit of critical reasoning and transformative education in Islamic boarding schools, namely the Bahst al-masa'il system and the sorogan Kitab kunin
