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All Journal Mesin Safari : Jurnal Pengabdian Masyarakat Indonesia
Kusuma Wardani
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Pengaruh Variasi Tinggi Terjunan Dan Dimensi Tabung Kompresor Terhadap Unjuk Kerja Pompa Hydram Rudy - Sutanto; Nurchayati Nurchayati; Arif Mulyanto; Kusuma Wardani
Mesin Vol. 26 No. 2 (2017)
Publisher : Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/MESIN.2017.26.2.4

Abstract

Lahan kering merupakan salah satu agroekosistem sumberdaya lahan yang mempunyai potensi besar untuk pengembangan pertanian. Kendala teknis pertanian lahan kering adalah dalam ketersediaan air. Untuk meningkatkan indeks pertanaman di lahan kering, perlu adanya pemanfaatan sumberdaya air permukaan seoptimal mungkin. Untuk mengatasi pemenuhan kebutuhan air irigasi di daerah lahan kering, alternatif yang bisa dikembangkan adalah dengan menggunakan sistem irigasi pompa ramah lingkungan yakni pompa hydram. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh dimensi tabung udara terhadap unjuk kerja pompa hydram. Pompa hydram yang digunakan dalam penelitian ini mempunyai ukuran 1.5 inci dan variasi tinggi terjunan 2, 3, 4 dan 5 m. Pompa hydram yang digunakan dalam penelitian ini mempunyai susunan ILK (input "“ limbah "“ tabung udara) dengan memperhitungkan pengaruh variasi dimensi tabung udara dengan volume konstan (5 variasi, diameter x tinggi : 7.5 x 60, 8.75 x 44.1, 10 x 33.75, 11.25 x 26.67 dan 12.5 x 21.6) dan variasi posisi lubang output discharge (5 variasi : 0, 5, 10, 15 dan 20 cm dari dasar tabung udara) terhadap unjuk kerja pompa hydram yang meliputi : debit output, debit limbah, head maksimum dan efisiensi yang dihasilkan pompa hydram. Hasil penelitian menunjukkan bahwa setiap kenaikkan 1 meter tinggi terjunan maka debit ouput akan mengalami kenaikkan rata-rata sebesar 36.6%. Setiap kenaikkan 1 meter tinggi terjunan maka head maksimum akan meningkat sebesar 5 ÷ 6 meter. Variasi dimensi atau ukuran tabung kompresor kurang berpengaruh terhadap debit output maupun head maksimum pompa hydram. Sedangkan efisiensi tertinggi didapat pada tinggi terjunan 2 meter dan variasi pompa ke 2 (dengan ukuran tabung udara 8.75 cm x 44.1 cm) yakni sebesar 33.98%.
Evektivitas Program Bimbingan Karir Berbasis Minat dan Bakat terhadap Perencanaan Masa Depan Siswa di SMP Negri 4 Kediri Tabanan Mita Ayu Saputri; Kusuma Wardani; Putu Agus Semara Putra Giri
SAFARI :Jurnal Pengabdian Masyarakat Indonesia Vol. 5 No. 3 (2025): Juli : SAFARI :Jurnal Pengabdian Masyarakat Indonesia
Publisher : BADAN PENERBIT STIEPARI PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56910/safari.v5i3.2870

Abstract

Students with effective career planning typically exhibit qualities including (1) comprehension of the professional landscape, (2) specific interests and aptitudes pertaining to a certain vocation, and (3) personality traits and values aligned with their career aspirations. Career advice services offer support to students by assisting in planning, problem-solving linked to occupations, and enhancing awareness of job roles. The introduction of community service activities yielded a result indicating that career guidance and counseling services enhance the ability to effectively execute career planning in alignment with students' talents and interests. This study seeks to evaluate the efficacy of a career advising program centered on interests and talents in enhancing students' future planning skills at SMP Negeri 4 Kediri. A multitude of junior high school pupils experience confusion in planning their futures due to a lack of understanding of their hobbies and talents. This program is intended to offer structured advice services that assist students in identifying their potential and formulating more pragmatic future plans. The research methodology employs a quasi-experimental design using a one-group pretest-posttest framework. The study's subjects comprised 30 grade IX pupils recruited purposively. The tool employed was a future planning questionnaire designed on the basis of career planning indicators. The data analysis results indicated a substantial rise in students' future planning scores following their participation in the program. Consequently, this curriculum has demonstrated efficacy in assisting students in preparing for the future in alignment with their interests and abilities
Co-Authors Arif Mulyanto Mita Ayu Saputri Putu Agus Semara Putra Giri Rudy Sutanto