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All Journal Erudio: Journal of Educational Innovation Malikussaleh Journal of Mechanical Science Technology Conference Proceedings International Conference on Education Innovation and Social Science Proceeding International Conference on Mathematics and Learning Research
Suryadi, S
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Automotive Engineering Control & Systems Engineering Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences

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Pengaruh Variasi Panjang Nozzle dan Tinggi Level Air Terhadap Efisiensi Jet Pump Suryadi, S
Malikussaleh Journal of Mechanical Science Technology Vol 5, No 2 (2021): Malikussaleh Journal of Mechanical Science and Technology
Publisher : Malikussaleh University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v5i2.6022

Abstract

Sumur  ataupun  tempat  penampungan  air  tanah  dalam  skala  rumah  tangga  secara  umum membutuhkan  alat  yang  efektif  untuk  mengangkat  debit  air  yang  banyak,  masalah  yang sering  muncul  adalah  cara  mengangkat  air  dari  sumur bagi  daerah  yang  sumurnya  dalam untuk itu  diperlukan pompa yang bertujuan untuk mengalirkan fluida dari sumur ataupun ke tempat  penampungan  air  tanah  menuju  ke  rumah  masing-masing.  Kinerja  pompa  dibatasi oleh tinggi tekan (head) untuk daya tertentu, dan efisiensi pompa juga dipengaruhi oleh tinggi level  air.  Dari  permasalahan  ini  dikembangkan  pompa  jet  atau  sering  dikenal  “jet  pump”. Penelitian  ini  bertujuan  untuk  mengetahui karakteristik jet  pump dengan  melakukan  variasi terhadap  tinggi  level  air, panjang nozzle dan  menggunakan  air  sebagai  fluida  kerja.  Tinggi level air yang divariasikan 0m, 0.5m, 1m dan 1.5m sedangkan panjang nozzle 33 mm, 39 mm dan  45mm . debit aliran sekunder meningkat seiring  dengan peningkatan debit aliran primer pada variasi panjang nozzle. Panjang nozzle berpengaruh terhadap efisiensi jet pump. Semakin besar  debit pada aliran primer maka efisiensi jet  pump akan meningkat.    Jet pump yang  diletakkan di kedalaman 1,5 m  memiliki efisiensi  tertinggi  dibandingkan  dengan peletakan jet    pump dengan  kedalaman      0,5      m dan 1      m. Efisiensi  tertinggi pada kedalaman 1,5 m yaitu sebesar 148,41 % dengan debit 2400 liter/jam.
Pemanfaatan Serat Bambu Apus Sebagai Bahan Pembuatan Helm Safety Syahputra, Amri; Nayan, Ahmad; Adhiya Putra, M. Iqbal; Aljufri, A; Suryadi, S
Malikussaleh Journal of Mechanical Science and Technology Vol. 8 No. 1 (2024): Malikussaleh Journal of Mechanical Science and Technology
Publisher : E-Journal Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v8i1.17285

Abstract

The use of apus bamboo fiber material as an alternative material to fiber glass in the materials sector, especially in safety helmets, is now becoming increasingly well known to people. This is because the advantages of this natural fiber reinforced composite material are environmentally friendly, lighter weight, relatively cheap price, excellent mechanical properties, and easy to obtain. So the aim of this research is to determine the process of making safety helmets using the vacuum infusion method and to determine the strength of free fall test specimens reinforced by apus bamboo fiber. As a result of the vacuum infusion method, the safety helmet that is made has a smoother surface with the same thickness. The resulting helmet has a bottom length of 30 cm, width 22 cm, height 14 cm and top length 24 cm. The free fall test uses variations in height from a fall distance of 1 meter, 2 meters and 3 meters. Meanwhile, the loads are 0.694 kg and 1.563 kg. The results of the potential energy sensor for a load of 0.694 kg at a height of 1 meter is 5.59 joules, a load of 0.694 kg at a height of 2 meters is 12.39 joules, and a load of 0.694 kg at a height of 3 meters is 19.18 joules. Meanwhile, sensor data for a load of 1,563 kg at a height of 1 meter is 14.11 joules, a load of 1,563 kg at a height of 2 meters is 29.42 joules, and a load of 1,563 kg at a height of 3 meters is 44.74 joules.
IMPLEMENTATION OF THE PALAPA MOJO APPLICATION ON SITI PINTER FEATURES IN IMPROVING EDUCATION IN MOJOKERTO CITY Laili, Safitri Nur; Suryadi, S; Muluk, Mujibur Rahman Khairul
Erudio Journal of Educational Innovation Vol 11, No 2 (2024): Erudio Journal of Educational Innovation
Publisher : Faculty of Administrative Science, Universitas Brawijaya

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Abstract

The application of information and communication technology (ICT) in public services and education has become a main focus for many city governments in this digital era. Mojokerto City is no exception, introducing innovation through the Palapa Mojo application. This application integrates various government services into one platform, with a feature that aims to enhance education for the people of Mojokerto City, namely Siti Pinter, which provides technology training for the public. This study investigates the implementation of Palapa Mojo and the factors influencing its development in Mojokerto City. A case study method is used to gain a deep understanding of the implementation process and the associated inhibiting factors. Data is collected through interviews, observations, and document analysis. The research results show that Palapa Mojo has successfully increased the efficiency of public services, improved digital literacy, and provided wider educational access through the Siti Pinter platform. This application, which includes key features like Siti Pinter, is designed to enhance the public's digital literacy and technological skills. Despite receiving positive responses from the community, the development of this application faces various obstacles. Internal inhibiting factors include the lack of policy integration for the application and low commitment from organizational units (OPD). External inhibiting factors include dependency on third parties for application development, difficulties in integrating with central government systems, and low digital literacy among the population. To overcome these obstacles, clear policies and regulations, strong commitment from all OPDs, and enhanced coordination with the central government are necessary. Additionally, intensive socialization, education, and training efforts must be undertaken to increase the digital literacy of the population. With this approach, it is expected that the Palapa Mojo application can provide maximum benefits, improve the quality of public services, and strengthen the technological capabilities of the people of Mojokerto City.
A New Chaos Function Developed through the Composition of the MS Map and the Circle Map Mursidah, Ichsani; Suryadi, S; Madenda, Sarifuddin; Harmanto, Suryadi
Proceeding International Conference on Mathematics and Learning Research 2023: Proceeding International Conference on Mathematics and Learning Research
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The rise of digital data theft makes researchers try to find better methods for digital data protection. Confidential digital data can be secured by encryption methods, one of which is the chaos function. We propose in this paper a new chaos function which is a composition of MS Map and Circle Map functions. This function has chaotic nature and is named the MS Circle Map. The sensitivity and randomness tests of the MS Circle map function are carried out using a bifurcation diagram, Lyapunov Exponent, and NIST. The analysis result of the bifurcation diagram shows that the MS Circle map has a good density at the value of r E (0,4). Besides that, the Lyapunov Exponent has a non-negative value at r E [0.4, 4], X0 = 0.9, r = 3.8, W = 0.5 λ = 2.1 which is the domain Xn E (0, 1) and parameter values r, E, and Ω, K are any real numbers. The results of the NIST randomness level test show that the MSC Map function all passed the randomness test of 16 NIST tests.
Evaluating Education Cost Indices in Indonesia: A Comparative Analysis of Construction Cost Index and Purchasing Power Parity Using Empirical Methods Widiputera, Ferdi; Rahayu, Wardani; Suryadi, S
Proceedings International Conference on Education Innovation and Social Science 2024: Proceedings International Conference on Education Innovation and Social Science
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

This study employs an empirical methodology to investigate the calculation of indices for determining the unit costs of equivalent education. This study compares the Construction Cost Index (CCI) and Purchasing Power Parity (PPP) in order to evaluate their relative effectiveness. A review of the existing literature on these indices reveals a need for more refined calculation and comparison methods. The study employs data from the Indonesian Central Statistics Agency (CSA), including CCI and PPP figures from 2021 and allocations for School Operational Assistance (SOA) for non-formal education in 2022, to examine the relative significance of the CCI and PPP. The findings indicate that the CCI exerts a greater influence than the PPP. Furthermore, the application of a relative importance approach through multiple regression analysis reveals a robust positive correlation between the CCI and PPP, underscoring their intricate interrelationship.
Co-Authors Adhiya Putra, M. Iqbal Ahmad Nayan Aljufri Aljufri Harmanto, Suryadi Laili, Safitri Nur Mujibur Rahman Khairul Muluk Mursidah, Ichsani Sarifuddin Madenda Syahputra, Amri Wardani Rahayu Widiputera, Ferdi