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All Journal PROSIDING SEMINAR NASIONAL Conference SENATIK STT Adisutjipto Yogyakarta Angkasa: Jurnal Ilmiah Bidang Teknologi Jurnal Teknologi dan Riset Terapan (JATRA)
Agung Prakoso
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Aerospace Engineering Computer Science & IT Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PENGARUH PEMBERIAN JUS MENTIMUN TERHADAP TEKANAN DARAH PADA LANSIA DENGAN HIPERTENSI DI POSYANDU di KABUPATEN DEMAK Agung Prakoso; Fery Agusman MM; Sonhaji -
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2014: PROSIDING KONFERENSI NASIONAL PPNI JAWA TENGAH
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4426.951 KB)

Abstract

Hipertensi  merupakan  penyakit  degeneratif  yang  menjadi  masalah utama  di  masyarakat  terutama  lansia. Hipertensi berhubungan erat dengan berbagai resiko komplikasi. Mentimun adalah jenis sayur yang biasa dikonsumsi masyarakat untuk menurunkan tekanan darah. Tujuan penelitian untuk mengetahui pengaruh pemberian jus mentimun terhadap tekanan darah pada lansia dengan hipertensi. Jenis penelitian ini adalah quasi experiment dengan desain One group pre-test and post-test. Sempel yang digunakan   sebanyak 40 lansia dengan hipertensi tanpa penyakit penyerta. Penelitian ini dilakukan selama seminggu dengan sehari dua kali pemberian jus mentimun yaitu pagi dan sore, berat mentimun yang digunakan 200 gram. Hasil penelitian menunjukkan ada pengaruh pemberian jus mentimun terhadap tekanan darah pada lansia dengan hipertensi, penurunan terbesar terjadi pada 2 jam setelah perlakuan hari 3 setelah perlakuan pemberian jus mentimun. Ada pengaruh yang signifikan jus mentimun terhadap tekanan darah sistolikdan diastolik pada lansia dengan hipertensi di Dusun Genggongan Desa Mangunjiwan Kabupaten Demak  dengan nilai p value sebesar 0,000 (p < 0,05).
PERANCANGAN DAN PEMBUATAN PROTOTYPE SHANK PROSTHESES KAKI BAGIAN BAWAH LUTUT Prakoso, Agung
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 8, No 2 (2016): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

The existence o f fe e t as the part of the human body is very important to support the daily activities which is to support the body and to walk. The lost of the under knee part (amputation) is the dominant case of the total cases of amputation in Indonesia. So that we need a tool to restore the balance of the human body to be able to do our daily activity. The tool is called prostheses. The design and manufacture of prototypeshank prostheses under knee is intended for persons who have 162 cm height and 57 Kg of average weight. Prostheses are aimed to the persons who only lost one limb below the knee. In this design, the length of the shank can be set according to the length of leg amputated and is intended to persons who are still experiencing high growth (teenager). The material is stainless steel 316L. The shank has a length 200-300 mm, width 67 mm and 2 mm thick.
Influence of Gmelina Wood on Mechanical Properties and Morphology of Epoxy Composites Prakoso, Agung; Pratiwi, Henny
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (436.902 KB) | DOI: 10.28989/senatik.v4i0.253

Abstract

Lignocellulosic filler such as gmelina wood flour is an alternative of synthetic reinforcements which is ecofriendly, abundant in nature and inexpensive. This research aims to investigate the effects of gmelina wood filler addition on tensile properties, impact strength and morphology of epoxy composites. Filler volume fractions evaluated were10, 20, 30 and 40 percent with 30 mesh filler size. Hand lay-up method was used to manufacture the composites. Tensile strength, tensile modulus, elongation and impact strength were determined based on ASTM standard. Results show that filler addition up to some extents improves the mechanical properties of materials. The optimum tensile properties and impact strength are achieved when 10 percent filler is added into epoxy matrix. Further addition of filler degrades the tensile and impact properties of composites. This phenomenon is due to the existence of weak interfacial interaction between the gmelina wood filler and epoxy matrix for higher filler volume concentration beyond 10 vol. %. The scanning electron micrograph of tensile fracture surface reveals that there are voids, agglomeration and pull-out mechanism which are the cause of the composites failure.
Penanganan dan Analisa Kegagalan Pada Bleed Air Leak Detection System Pesawat Airbus A330-300 di Hanggar 3 PT.GMF AEROASIA Agung Prakoso; Riski Kurniawan; Farchan Mauluddin
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 3 No 2 (2021): Jurnal Teknologi dan Riset Terapan (JATRA) - December 2021
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v3i2.3714

Abstract

The bleed air leak detection system on aircraft is used to detect a leak in the bleed air duct. This system can detect over heat temperature outside of the duct if there is a leak around the duct. Bleed air leak detection is equipped with a sensing element to detect the rise of temperature because of the leak around the bleed air duct. These sensing elements are installed on the engine pylon, wing and fuselage. The rise of temperature detected by the sensing element can be monitored on the bleed monitoring computer (BMC) and then will be forwarded to the engine bleed switch in the cockpit. Troubleshooting Manual (TSM) Task 36-22-00-810-911-A is used to solve bleed air leak detection system problems. The fault tree analysis method is also used to obtain the possible causes of failure in the bleed air leak detection system. In this study found damage to the sensing element in zone 71 HF. The sensing element has been used for 24 years and 8 months from that set by the manufacturer, which is 25 years, so it is necessary to replace it with a new sensing element. Based on the fault tree analysis results, several possible causes of the bleed air leak detection system failure were obtained, such as electorstatic, short circuit, lost continuity, connector fault, control logic fault, thermistor disconnected, performance degradation, component dislocation, and corrosion.
Co-Authors Farchan Mauluddin Fery Agusman MM Henny Pratiwi, Henny Riski Kurniawan Sonhaji -