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All Journal INOTEKS : Jurnal Inovasi Ilmu Pengetahuan, Teknologi, dan Seni Journal of Biology Education FLUIDA QARDHUL HASAN: MEDIA PENGABDIAN KEPADA MASYARAKAT ASEAN Journal of Chemical Engineering ZIRAA'AH MAJALAH ILMIAH PERTANIAN JAS (Jurnal Agri Sains) Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Promotif Preventif Mattawang: Jurnal Pengabdian Masyarakat JURNAL ILMU KESEHATAN MULIA MADANI YOGYAKARTA DIMASLIA JEM : Jurnal Equilibrium Manajemen Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir Jurnal Pengabdian pada Masyarakat
Sri Widarti, Sri
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Correlation of Steam Velocity and Pipe Diameter with Heat Transfer Performance on 120° Half-Pipe Jacket Widarti, Sri; Rahayu, Irma Galuh; Prayogo, Sapto
Fluida Vol. 16 No. sp1 (2023): FLUIDA x IRWNS Special Edition
Publisher : Department of Chemical Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/fluida.v16isp1.5595

Abstract

Double jacket mixing tanks offer temperature control and versatility for industrial processes where temperature-sensitive materials need to be mixed, stored, or processed. The selection of the appropriate jacket type in a double-jacket mixing tank is based on the structural strength and the optimal heat transfer performance. The type of jackets can be conventional, dimple, and half-pipe. The conventional jacket is easier to manufacture, but it is not resistant to high temperature and pressure. The dimple jacket has good heat transfer, but it is susceptible to damage. The half-pipe jacket has good structural strength, but its heat transfer is affected by the central angle and pipe diameter. 120° central angle has greater heat transfer and pressure drop than 180° central angle. In order to determine the effects of steam velocity on heat transfer performance, heating time, and pressure drop of the 120° half-pipe jacket, research occurred on pipes with 2, 2.5, and 3 inches of diameter. The calculating method of heat transfer in agitated jacketed vessels is applied to visualize the relationships. The effects of steam velocity on heat transfer, heating duration, and pressure drop respectively are polynomials of order 2, power, and polynomials of order 2 with an average R2 close to 1. The greater R2, the better the relationship between two variables, according to the equation. The 120° half-pipe jacket performance will be highly effective, with 1774 W, 2.1 minutes heating duration, 8.94 kPa pressure drop if the steam velocity is 10.50 m/s with 2.5 inches pipe diameter.
Empowerment of Retired Citizens with The Utilization of Used Tires as A Street Bump: Pemberdayaan Warga Purna Tugas Dengan Pemanfaatan Ban Bekas sebagai Street Bump Ellyta, Ellyta; Widarti, Sri; Youlla, Donna
Mattawang: Jurnal Pengabdian Masyarakat Vol. 4 No. 2 (2023)
Publisher : Yayasan Ahmar Cendekia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.mattawang1798

Abstract

Densely populated settlements experience a classic problem in terms of transportation, namely the speed of vehicles. The problem faced by residents is the risk of danger by residents due to motorists and cars crossing the road at high vehicle speeds. This service aims to increase partners' knowledge and provide skills for retired residents to use used tires to reduce vehicle speed. The implementation method involves the full participation of the community. Activities carried out with lectures, discussions, and demonstrations. Community Service Activities' findings have increased partners' knowledge by 90%. In addition, there are also social impacts in the form of a sense of security and comfort for residents. This can be seen from the addition of the installation of speed bumps from used tires with self-help funds and self-help workers. Full participation from partners from planning to activity evaluation shows that this activity positively impacts the community. Abstrak Pemukiman padat penduduk mengalami masalah klasik dalam hal transportasi yaitu kecepatan kendaraan yang melintas. Permasalahan yang dihadapi Warga RT 003 RW 020 Jalan Nawawi Hasan 1 Perumnas 2 Kelurahan Sungai Beliung adalah resiko bahaya yang dialami warga akibat pengendara baik motor maupun mobil yang melintasi jalan tersebut dengan kecepatan kendaraan tinggi. Tujuan dari pengabdian ini adalah untuk menambah pengetahuan mitra dan memberikan keterampilan untuk warga purna tugas memanfaatkan ban bekas untuk mengurangi laju kendaraan. Metode pelaksanaan dengan melibatkan partisipasi penuh masyarakat. Kegiatan dilaksanakan dengan cermah, diskusi, dan demonstrasi. Temuan dari Kegiatan Pengabdian Kepada Masyarakat terjadi peningkatan pengetahuan kepada mitra sebesar 90%. Selain itu terjadi pula dampak sosial berupa rasa keamanan dan kenyamanan warga. Hal ini dapat dilihat dari penambahan pemasangan polisi tidur dari ban bekas dengan dana swadaya dan tenaga swakarya. Partisipasi penuh dari mitra baik dari perencanaan sampai dengan evaluasi kegiatan menunjukkan kegiatan ini memberikan dampak positif bagi masyarakat.
Pemantauan Kualitas Air Sekitar Kolam Limbah PPGN Secara Kimia dan Radioaktivitas Wismawati, Titi; Widarti, Sri; Deddi, Eep; Nugroho, Andung
EKSPLORIUM Vol. 32 No. 1 (2011): MEI 2011
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/eksplorium.2011.32.1.2830

Abstract

This research purpose is to monitor the water quality of soil around the waste pond through measurement of chemical constituents (Ca, Mg, Fe, Ni, Zn, Cu, Pb, Mn and U) and water radioactivity. The water quality around tailing pond can be identified by analized the water sample from 4 control wells as deep as 20 m located on the fourth side of the pool and 2 comparison wells with a distance of 50 m and 100 m from the tailing pond. The measurement of chemical constituents of controll well water and comparison well water was done by using Atomic Absorption Spectrophotometer (AAS). The measurement of Uranium content was done by using UV – VIS Spectrophotometer, whereas measurement of radioactivity was measured by Eberline SPA-1 α detector associated with a counter scalers Ludlum model 1000. Determination of the quality of well water was used Storet method. Measurement result obtained in 2010 : the chemical content water in the control wells; Ca (2.31 – 2.91) mg/l, Mg (0.22 – 0.34) mg/l, Fe (0.024 – 0.033) mg/l, Ni (0.0028 – 0.030) mg/l, Zn (0.0019 – 0.025) mg/l, Cu (0.038 – 0.060) mg/l, Pb (0.003 – 0.041) mg/l, Mn (0.004 – 0.005) mg/l, U (0.051 – 0.298) mg/l, Ni (0.003 – 0.004) mg/l, Zn (0.03 – 0.04) mg/l, Cu (0.004 – 0.004) mg/l, Pb (0.003 - 0.003), Mn (0.005 – 0.021) mg/l, and radioactivity of Uranium was (0.025. 10-3 – 0.028.10-3) Bq/l. The radioactivity of control wells in the first quarter (2.321 – 2.635) . 10-2 Bq/l, second quarter (2.162 – 2.823) . 10-2 Bq/l, third quarter (2.424 – 2.931).10-2 Bq/l, fourth quarter (2.283 – 2.643).10-2 Bq/l. The radioactivity of comparison well water in the firs quarter was (2.931 - 2.931). 10-2 Bq/l., second quarter (2.162 – 2.550).10-2 Bq/l, third quarter (2.931- 2.931).10-2, fourth quarter (2.450 – 2.632).10-2 Bq/l. This result showed that there are no pollutant release into the environment. Based on the evaluation result using Storet and US-EPA (Environmental Protection Agency) method, water quality around tailing pond of PPGN – BATAN is expressed as A in class classification (best).
PELATIHAN HIDROPONIK, AKSI HIJAU WARGA: MERAKIT HIDROPONIK GUNA MEWUJUDKAN KETAHANAN PANGAN LOKAL Suyanto, Agus; Nurfitria, Rima; Widarti, Sri; Andayani, Sri; Setiawan, Setiawan; Suryani, Rini; Astar, Ismail; Dominikus Bancin, Hardi; Tutik Purwani Irianti, Agnes; Rahayu, Sri; Ellyta, Ellyta; Asti, Asti; Yuliana Ayen, Rosalina; Oktarianti, Sherly; Aini, Fitriana
Dianmas Bhakti: Jurnal Pengabdian pada Masyarakat Vol 2 No 2 (2025): Dianmas Bhakti: Jurnal Pengabdian pada Masyarakat
Publisher : LPPM Universitas Panca Bhakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54035/dianmas.v2i2.595

Abstract

Hydroponic cultivation training was conducted for residents of Hydroponic cultivation training was conducted for 40 residents of Gang Kuini I Jeruju, West Pontianak District, aiming to address limited land availability and support local food security. This community service program utilized a participatory approach through socialization, hands-on training, and mentoring. The main issues addressed included narrow land constraints, lack of knowledge about modern agricultural technology, and community dependence on vegetable markets for daily needs. The training introduced wick system hydroponics using simple materials that were easy to implement in household yards. The methods included needs assessment, training preparation, technical socialization, hands-on hydroponic equipment construction, seedling planting, and post-training evaluation. Pre-test and post-test evaluation results showed significant improvements: knowledge aspect increased from 41% to 86%, and attitude aspect increased from 50% to 89%. Results showed that 88% of participants expressed interest in trying hydroponics, and 90% believed hydroponics supports local food security. This activity contributed positively toward household food security by enabling residents to produce fresh vegetables sustainably. The training fostered a green movement among residents while reducing household food expenditures and enhancing nutritional quality for families.
KESEHATAN KONTRASEPSI GUNA MENINGKATKAN PENGETAHUAN KESEHATAN REPRODUKSI PADA WUS WALI MURID SD SEDAYU BANTUL Widarti, Sri
Jurnal Pengabdian Kepada Masyarakat Mulia Madani Yogyakarta Vol. 4 No. 1 (2026): DIMASLIA JURNAL PENGABDIAN MASYARAKAT MULIA MADANI YOGYAKARTA
Publisher : Jurnal Pengabdian Kepada Masyarakat Mulia Madani Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Latar belakang : Metode kontrasepsi yang tersedia dan mencakup persyaratan dan keamanan metode kotrasepsi yang belum banyak Pasangan Usia Subur (PUS) mengetahuinya. Kurangnya pengetahuan Pasangan Usia Subur inilah yang membuat PUS mengalami kesulitan didalam nenentukan pilihan jenis metode kontrasepsi Tujuan : Kegiatan pengabdian kepada masyarakat dilakukan untuk meningkatkan pengetahuan para Wanita usia subur dan meningkatkan pengetahuan Kesehatan reproduksi sehingga derajad Kesehatan meningkat. Metode : Memberikan penyuluhan dengan metode Presentasi menggunakan PPT, pemutaran Video dan Demonstrasi tentang macam alat kontrasepsi. Hasil : Tahap persiapan menunjukkan bahwa semua peserta tidak pernah mendapat edukasi tentang alat kontrasepsi sebelumnya hingga 50 % dari 28 peserta baru pertama kali mendengar tentang macam macam alat kontrasepsi. Pengetahuan awal yang rendah terlihat dari hasil wawancara langsung yang dilakukan dimana mayoritas tingkat pengetahuan ibu masih rendah tentang alat kontrasepsi setelah dilakukan edukasi dan penyuluhan terjadi peningkatan pengetahuan ibu tentang alat kontrasepsi. Disarankan kepada petugas kesehatan secara berkala memberikan edukasi tentang alat kontrasepsi baik hormonal maupun non hormonal kepada wanita khususnya ibu. Kata kunci : Pendiidkan Kesehatan, Kontrasepsi, WUS
PERSEPSI PETANI PADI TERHADAP PENERAPAN KALENDER TANAM DI DESA RASAU JAYA 2 KECAMATAN RASAU JAYA KABUPATEN KUBU RAYA Youlla, Donna; Widarti, Sri; Ellyta, Ellyta
ZIRAA'AH MAJALAH ILMIAH PERTANIAN Vol 51, No 1 (2026)
Publisher : Pusat Publikasi Jurnal Universitas Islam Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/zmip.v51i1.20609

Abstract

Kalender tanam merupakan alat penting bagi petani untuk menentukan waktu tanam optimal berdasarkan kondisi iklim dan cuaca. Penelitian ini bertujuan menganalisis persepsi petani padi terhadap penerapan kalender tanam di Desa Rasau Jaya 2, Kecamatan Rasau Jaya, Kabupaten Kubu Raya. Menggunakan pendekatan kuantitatif dengan metode survei, data dikumpulkan dari 30 petani padi melalui kuesioner terstruktur yang mengukur aspek kognitif, afektif, dan konatif persepsi. Hasil menunjukkan bahwa secara kognitif, 73,34% petani memahami fungsi kalender tanam. Secara afektif, petani menunjukkan keraguan terhadap kesesuaian iklim lokal (83,34% ragu-ragu) dan potensi peningkatan produksi (96,67% ragu-ragu). Secara konatif, 93,34% petani bersedia merekomendasikan kalender tanam kepada petani lain. Temuan ini mengindikasikan bahwa meskipun petani memiliki pengetahuan memadai, keyakinan terhadap manfaat praktis masih rendah, sehingga diperlukan adaptasi spesifik lokasi dan pendampingan penyuluhan berkelanjutan.
Co-Authors A, Aisyah Adisty, Yulia Agus Suyanto Aini, Fitriana Andung Nugroho, Andung Asiatun, Siti Asti Asti Dominikus Bancin, Hardi Eep Deddi, Eep Ellyta Ellyta Endah Peniati Fika Pratiwi, Fika Herlin, Kristin I Putu, Arya Krisnatama Ignatius Riyadi Mardiyanto Ismail Astar KURNIASETIAWATI, ANNISA Medianto Kurniawan, Hery Melati Sukma, Khayu Mursanto, Wahyu Budi MURSID, SRI PARYANTO Nurfitria, Rima Nurul Ariningtyas, Nurul Oktarianti, Sherly P, Fika Pamela, Pamela Prabaswara, Abigail Qutratuain Prayogo, Sapto Priyantini Widiyaningrum PUDIN, APIP Rahardjo, Agoeng Harjatmo Rahayu, Irma Galuh Rahmatullah Rizieq Rini Suryani, Rini Setiawan Setiawan Slameto Slameto Sri Andayani SRI RAHAYU Sri Utami Titi Wismawati, Titi Tritjahjono, Rachmad Imbang Tutik Purwani Irianti, Agnes Uki Retno Budihastuti Ulyasa, Kinanti Vitri Widyaningsih YANTI SUPRIANTI, YANTI Youlla, Donna Yulia Adhisty, Yulia Yuliana Ayen, Rosalina Yuliyani, Ika