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All Journal ENGINEERING NUSANTARA: Jurnal Pengabdian Kepada Masyarakat
Hidir Efendi
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Engineering Social Sciences

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PENGARUH VOLUME TABUNG UDARA TERHADAP EFISIENSI POMPA HIDRAM Hidir Efendi; Bisrul Hapis Tambunan
Engineering : Jurnal Bidang Teknik Vol 5 No 1 (2014): April
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (593.327 KB) | DOI: 10.24905/eng.v5i1.296

Abstract

Performasi dari pompa hidram sangat dipengaruhi oleh beberapa hal antara lain debit air, ketinggian sumber air, ketinggian tangki penampung, dimensi dan berat katup, dimnsi dan volume tabung udara serta pengaruh friksi yang tinggi dan kehilangan tekanan tambahan pada pipa suplai dan katup. Penurunan efisiensi juga dipengaruhi oleh kehilangan energi kinetik dengan adanya air yang meninggalkan katup buang. Untuk itulah perlu didapatkan nilai yang paling optimum dari beberapa parameter di atas, sehingga diharapkan diperoleh efisiensi yang paling tinggi. Penurunan efisiensi juga dipengaruhi oleh kehilangan energi kinetik dengan adanya air yang meninggalkan katup buang. Penelitian ini bertujuan untuk mengetahui pengaruh volume tabung udara terhadap efisiensi pompa hidra dilakukan dengan menggunakan dua buah tabung udara yang panjangnya 400 dan 600 mm dengan diameter 60 mm, sehingga dihasilkan volume 1,13 dan 1,70 liter. Berat katup buang dan hantar masing-masing 760 dan 39 gram. Head suplai diposisikan pada ketinggian 1 m, sedangkan head hantar pada ketinggian 3 m. Hasil pengujian menunjukkan memperbesar volume tabung udara dapat meningkatkan efisiensi.     Kata kunci: Pompa hidram, efisiensi, energi kinetik, tabung udara.
Pemberdayaan Kelompok Usaha Galansia melalui Teknologi Tepat Guna dan Digital Marketing Aprinawati Aprinawati; Hidir Efendi; Haryadi Haryadi; Khafi Puddin; Fadli Agus Triansyah; Apriansyah Sipayung; Nasywa Khalista; Fadillah Fasha
Nusantara: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 4 (2025): November: NUSANTARA Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/nusantara.v5i4.6977

Abstract

This community service activity aims to empower the Galansia Business Group in Sait Buttu Saribu Village, Pematang Sidamanik District, Simalungun Regency, which is engaged in the processing of agricultural products and household products. The main problems faced by the partners include limited production capacity, inconsistent product quality, simple business management, and traditional marketing methods. To overcome these problems, the community service team applied a participatory approach by providing appropriate technology, business management assistance, and digital marketing training. The results of the activities showed a significant increase in production capacity, time efficiency, and product quality consistency thanks to the use of onion slicing machines and liquid soap mixing machines. In terms of marketing, the partners successfully utilized social media as a means of promotion and distribution, and improved product packaging to make it more attractive and professional. In terms of management, the partners were able to implement simple digital-based financial records and were facilitated in handling business legality. The impact achieved was an increase in members' income of more than 50% and the growth of entrepreneurial spirit among the village's elderly. This program has proven to be effective in supporting business independence and can be used as a model for community-based MSME empowerment in the digital era.
Penguatan Kapasitas Kelompok Usaha Sijati dalam Pengelolaan Budidaya Jamur Tiram di Desa Sait Buttu Saribu Rangga Restu Prayogo; Hendra Saputra; Hidir Efendi; Khafi Puddin; Fadli Agus Triansyah; Safitri Maya Sari; Annisa Az Zahra; Dimas Very Prabowo
Nusantara: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 4 (2025): November: NUSANTARA Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/nusantara.v5i4.6979

Abstract

This community service program was implemented to strengthen the capacity of the SIJATI Business Group in managing oyster mushroom cultivation in Sait Buttu Saribu Village, Simalungun Regency. This activity was motivated by the group's great potential in oyster mushroom production, but still faces obstacles in production, marketing, and business management aspects. The method used was a participatory-collaborative approach through stages of socialization, training, mentoring, provision of modern production equipment, strengthening digital marketing, and business management coaching. The results of the activity showed a significant increase in the group's capacity. From a production aspect, the use of a stainless steel steamer machine and modern baglog racks increased time efficiency, saved energy, and doubled production capacity. From a marketing aspect, digital marketing training and collaboration with students as resellers expanded market reach, increased consumer interaction, and drove increased turnover. From a management aspect, digital-based financial records and assistance with business legality strengthened institutions and opened opportunities for access to capital. This program also had a social impact by increasing the economic contribution of housewives who were members of the group, thereby contributing to the welfare of the village community. Overall, strengthening the capacity of the SIJATI group aligns with achieving the Sustainable Development Goals (SDGs), particularly in poverty alleviation, gender equality, and inclusive economic growth. Therefore, this activity can serve as a model for empowering competitive and sustainable local commodity-based MSMEs.
Co-Authors Annisa Az Zahra Apriansyah Sipayung Aprinawati, Aprinawati Bisrul Hapis Tambunan Dimas Very Prabowo Fadillah Fasha Fadli Agus Triansyah Haryadi Haryadi Hendra Saputra khafi puddin Nasywa Khalista Rangga Restu Prayogo Safitri Maya Sari