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Dede Irwan
Politeknik Negeri Pontianak
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Pengaruh Penerapan Cerobong Surya terhadap Kelajuan Udara Koridor pada Bangunan Inner-Court Dede Irwan; Dian Perwita Sari
Vokasi Vol 13 No 1 (2018): Vokasi
Publisher : Politeknik Negeri Pontianak

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Abstract

The achievement of thermal comfort in damp hot tropical climate such as Pontianak city becomes difficult to be achieved due to having problems such as high temperature of air; humidity of air; solar radiation and low average speed of air movement. The main way to get thermal comfort is to decrease heat by continuously improving natural air movement using natural ventilation both horizontally and vertically. The solar chimney with a tromble wall can be utilized as a form of soft technology, which tackles climate as a beneficial factor for thermal comfort in a building. The solar chimney with a tromble wall can create a temperature difference at the top and bottom of the building so that vertical ventilation occurs. Prototype solar chimney with tromble wall is one way to get thermal comfort in the building. The results show that the air speed at Inner court without sun chimneys is lower than 0.08 m / s from Inner court with a solar chimney of 0.18 m / s. The difference between the air velocity between Inner court without solar chimney with Inner court with solar chimney that is equal to 0.10 m / s. Air speed at Inner court with solar chimney 113.16% higher than Inner court without solar chimneys.
Pengaruh Rasio Inlet dan Outlet Bukaan pada Cerobong Surya terhadap Kelajuan Udara Koridor Gedung Jurusan Teknik Arsitektur Politeknik Negeri Pontianak Dede Irwan; Jockie Zudhy Fibrianto; Dian Perwita Sari
Vokasi Vol 15 No 1 (2020): Vokasi
Publisher : Politeknik Negeri Pontianak

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Abstract

Not all humid tropical climate conditions could comfortably support the continuation of tropical human activities. With high humidity, the human who lives in a tropical area tends to need stronger winds so that the water vapor (sweat) that on the skin surface evaporates quickly and provides a cooling effect on the body so that thermal comfort can achieve. Increasing airflow speed can help by the addition of an area both in the inlet area and outlet, as long as the proportion of the area between the area inlet and outlet are appropriate. The quantitative research method used to determine the building condition thermal, such as the condition of the solar funnel with an inlet and outlet ratio of 1: 6 and an inlet and outlet ratio of 1: 1, so that an effective temperature value could be known to determine the thermal comfort level. The analysis result of the air velocity in the solar chimney the Inlet and Outlet ratio of 1: 6 is higher that is equal to 0.32 m / sec than in the Inlet and Outlet ratio solar chimney there is 1: 1 equal to 0.21 m / sec. Air velocity in the solar funnel with a 1: 6 ratio of Inlet and Outlet is 57.6% higher than solar chimney with a 1: 1 ratio of Inlet and Outlet.
PEMBERDAYAAN PETANI HORTIKULTURA MELALUI PENINGKATAN PRODUKTIVITAS DENGAN PENERAPAN IPTEK MEKANISASI ALAT PENGGEMBUR TANAH SEBAGAI TEKNOLOGI TEPAT GUNA PADA KELOMPOK HIDRO PONTI DI KECAMATAN PONTIANAK SELATAN, KOTA PONTIANAK Widodo PS; Irawan Suharto; Linda Suherma; Dede Irwan; Topan Prihantoro; Alban Naufal; Daryono Daryono; Nurmala Nurmala; Dovian Iswanda
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 11 (2026): April 2026
Publisher : Bajang Institute

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Pertanian hortikultura di Kecamatan Pontianak Selatan menghadapi isu rendahnya produktivitas akibat pengolahan tanah manual yang memakan waktu dan tenaga besar, khususnya pada Kelompok Tani Hidro Ponti. Fokus pengabdian ini adalah penerapan IPTEK mekanisasi alat penggembur tanah (cultivator) sebagai teknologi tepat guna untuk meningkatkan efisiensi dan hasil panen. Tujuan utama meliputi pemberdayaan petani melalui desain, implementasi, pelatihan operasi, dan perawatan alat berbasis mesin rumput. Metode pendekatan mencakup survei lapangan, observasi masalah, perancangan prototipe cultivator (komponen: rangka, shaft, roda, dll.), serta pendampingan teknis di lokasi mitra. Hasil pengabdian menunjukkan peningkatan efisiensi pengolahan lahan secara signifikan, dengan umpan balik positif dari mitra yang merasakan pengurangan waktu kerja dan kemudahan perawatan, sehingga mendukung transformasi usaha tani berkelanjutan.
PENERAPAN IPTEK DAN BIMBINGAN TEKNIS MESIN VERTICAL HIDROLIC PRESS SEBAGAI PENGEPRES SAMPAH PLASTIK DI TPS3R JERUJU BERKAH DESA JERUJU BESAR KABUPATEN KUBU RAYA Alban Naufal; Widodo PS; Irawan Suharto; Linda Suherma; Dede Irwan; Topan Prihantoro; Ahmad Faizal; Dwita Wahyuni
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 11 (2026): April 2026
Publisher : Bajang Institute

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Abstract

Pengelolaan sampah plastik di Indonesia, sebagai penyumbang ketiga terbesar dunia, menjadi isu krusial di Desa Jeruju Besar, Kabupaten Kubu Raya, khususnya di TPS3R Jeruju Berkah yang kesulitan memproses volume besar sampah rumah tangga secara efisien. Fokus pengabdian adalah penerapan IPTEK mesin Vertical Hidrolik Press untuk memadatkan sampah plastik (ukuran 90x90x90 cm) guna memperlancar daur ulang dan nilai ekonomi. Tujuan mencakup pemberdayaan komunitas melalui bimbingan teknis, meningkatkan efisiensi pengolahan, dan pendapatan warga. Metode meliputi survei lapangan, perancangan prototipe (power pack 50L, motor 2HP), fabrikasi, uji coba 5 kali, implementasi, serta pelatihan operasi-perawatan dengan modul. Hasil menunjukkan kepuasan mitra, proses press efektif, pengurangan volume signifikan, dan potensi transformasi ekonomi berkelanjutan bagi TPS3R.
Co-Authors Ahmad Faizal Daryono Daryono Dian Perwita Sari Dwita Wahyuni Irawan Suharto Iswanda, Dovian Jockie Zudhy Fibrianto Linda Suherma Naufal, Alban Nurmala Topan Prihantoro Widodo PS