Results 11 to 20 of about 589 (172)

A hybrid Harris Hawks Optimization with Support Vector Regression for air quality forecasting [PDF]

Scientific Reports
This paper proposes a hybridized model for air quality forecasting that combines the Support Vector Regression (SVR) method with Harris Hawks Optimization (HHO) called (HHO-SVR).
Essam H. Houssein, Meran Mohamed, Eman M. G. Younis, Waleed M. Mohamed   +3 more
doaj   +2 more sources

Experimental Investigation of a Hydrogen Power Unit Operating on Hydrogen-Enriched HHO Gas

Energies
This study presents experimental investigations of a hydrogen power unit operating on hydrogen–oxygen gas mixtures produced by water electrolysis (HHO gas). The system was operated with additional molecular hydrogen enrichment in order to investigate the
K. B. Tynyshtykbayev, D. V. Bouhvalov, N. A. Chuchvaga, E. A. Dmitrieva, B. Zhumabay, P. Kusherova, B. Rakymetov, A. Serikbekov, A. S. Serikkanov, A. Ainabayev   +9 more
doaj   +2 more sources

APLIKASI GAS HHO PADA SEPEDA MOTOR INJEKSI DENGAN MODIFIKASI ECU AFTERMARKET (TIMING PENGAPIAN)

Rekayasa Mesin, 2022
HHO gas is a gas produced from electrolysis, which is the decomposition of an electrolyte using an electric current which produces Hydrogen Gas and Oxygen Gas / Hydrogen Hydrogen Oxygen.
Indah Puspitasari, Noorsakti Wahyudi, Kuntang Winangun, Fadil Noor Rofiq   +3 more
doaj   +1 more source

Energy, exergy and environmental assessment of partial fuel substitution with hydroxy powered by a thermoelectric generator in low displacement diesel engines

Cleaner Engineering and Technology, 2021
This study evaluates the effect of partial fuel substitution with HHO (hydroxy) gas on a Jatropha oil biodiesel. For the experimental analysis, a stationary single-cylinder diesel engine was used, in which different conditions of load and rotational ...
Jorge Duarte Forero
doaj   +1 more source

Experimental Investigation on the Effect of using Oxy-‎Hydrogen Gas on Spark Ignition Engines ‎Performances, and Emissions Characteristic [PDF]

Journal of Engineering Research - Egypt, 2023
The target of this work was to study the effect of adding HHO to gasoline fuel on engine performance and emissions. HHO gas production per input power was achieved by designing, manufacturing, and optimizing the HHO cell.
Hagar Alm ElDin Mohamad, Elshenawy Abd elhamid, Medhat Elkelawy, Osama Hendawi   +3 more
doaj   +1 more source

Experimental Investigations on the Effects of HHO Gas Fuel Additive on Performance of a Gasoline Engine

Pakistan Journal of Engineering & Technology, 2021
The hydrogen hydroxyl (HHO) gas as a fuel additive in gasoline for SI engines has a positive impact on improving the performance and reducing the consequences of the burning of fossil fuels alone which are continuously depleting and causing severe ...
Syed Mustafa Haider, Shafqat Hussain, Hassan Farid, Usman Shahid, Awais Ahmed, Nazar Abbas   +5 more
doaj   +1 more source

Studi Ketebalan Elektroda Pada Produksi Gas HHO (Hidrogen Hidrogen Oksigen) Oleh Generator Hho Tipe Basah Dengan Katalis NaHCO3 (Natrium Bikarbonat)

Rona Teknik Pertanian, 2015
Abstrak. Salah satu energi alternatif yang efektif dikembangkan sekarang ini untuk mengganti bahan bakar minyak yaitu hidrogen. Untuk mendapatkan gas hidrogen dapat  dilakukan melalui proses elektrolisis air dengan memecahkan senyawa H2O menjadi gas HHO (
Ihsan Sopandi, Yuli Hananto, Bayu Rudiyanto   +2 more
doaj   +1 more source

Effects of low-level hydroxy as a gaseous additive on performance and emission characteristics of a dual fuel diesel engine fueled by diesel/biodiesel blends

Engineering Applications of Computational Fluid Mechanics, 2021
In the present study, water electrolysis was employed for Hydroxy gas (HHO) production as a gaseous additive. The engine test was performed using the Diesel, B5, and B20 as pilot fuels.
Bahman Najafi, Farid Haghighatshoar, Sina Ardabili, Shahab S. Band, Kwok wing Chau, Amir Mosavi   +5 more
doaj   +1 more source

PERFORMA GENERATOR HHO DALAM SISTEM BI-FUEL PADA SEPEDA MOTOR SEBAGAI BAHAN BAKAR ALTERNATIF

Rotor: Jurnal Ilmiah Teknik Mesin, 2017
The increasing of vehicle uses will make the increasing in fuels consumption. In the other hand, the reserves of fossil fuels as a fuel in vehicles are always decreasing.
Ika Kusuma Nugraheni, Anggun Angkasa, Abdul Rahman Rifa’i   +2 more
doaj   +1 more source

PENGGUNAAN GENERATOR HHO PADA SEPEDA MOTOR DENGAN MENGGUNAKAN SISTEM BI-FUEL DENGAN VARIASI LARUTAN ELEKTROLIT

Rotor: Jurnal Ilmiah Teknik Mesin, 2017
Transport is one of the main community needs, but along with the increasing number of transport such as motorcycles and increasing also use of fuel oil.While fuel oil are currently derived from fossil where is not sustainable, alternative fuel can use ...
Anggun Angkasa Bela Persada, Ika Kusuma N, M. Khairul Abrar   +2 more
doaj   +1 more source