Results 11 to 20 of about 10,899 (161)

Overcoming challenges in the expanding RNG market: Strategies and policies for stakeholders in the US

open access: yesEnergy Nexus
This paper explores the challenges faced by developers of Renewable Natural Gas (RNG) projects in the US. RNG is gaining popularity as a sustainable alternative to fossil fuels, but it is facing significant obstacles in the market.
Sanjay Purswani, Omid Norouzi
doaj   +2 more sources

Optimal design of an indoor environment using an adjoint RNG k-ε turbulence model [PDF]

open access: yesE3S Web of Conferences, 2019
The computational fluid dynamics (CFD)-based adjoint method can determine design variables of an indoor environment according to the optimal design objective, such as minimal predicted mean vote (PMV) for thermal comfort.
Zhao Xingwang, Chen Qingyan
doaj   +2 more sources

CFD Investigation of Flow Over a Backward-facing Step using an RNG k-? Turbulence Model [PDF]

open access: yesInternational Journal of Technology, 2019
Backward-facing step (BFS) is a benchmarked geometry for visualizing recirculation flow and validating turbulence models. Nowadays, numerical analysis with the CFD method has became more popular and has stimulated research involving CFD without ...
Steven Darmawan, Harto Tanujaya
doaj   +2 more sources

CRYPTO-RESISTANT METHODS AND RANDOM NUMBER GENERATORS IN INTERNET OF THINGS (IOT) DEVICES

open access: yesСучасний стан наукових досліджень та технологій в промисловості, 2022
Subject of research: crypto-resistant methods and tools of generating random sequences and hardware support of cryptographic transformations in IoT devices. The aim of the article is to study crypto-resistant methods and tools for generating and testing
Petro Klimushyn   +5 more
doaj   +1 more source

Analyses of unpredictable properties of a wind-driven triboelectric random number generator

open access: yesScientific Reports, 2023
Wind-driven triboelectric nanogenerators (W-TENGs) are a promising candidate for an energy harvester because wind itself possesses unexhausted, ubiquitous, and clean properties.
Moon-Seok Kim   +2 more
doaj   +1 more source

Validation of Integral and Turbulence Models for Saline Wastewater Discharged into the Sea Environment [PDF]

open access: yesآب و توسعه پایدار, 2023
With the reduction of natural sources of fresh water, the activity of desalination factories is increasing. The effluent of these factories is returned to the sea environment.
V. Babaiynejad, B. Khorsandi
doaj   +1 more source

RNG development opportunities – Considerations before a contract

open access: yes, 2021
Working towards carbon neutral dairy farms is a notable goal. A significant and economically viable option for this is to consider the production of renewable natural gas (RNG) to offset farm methane emissions into a renewable fuel while bringing ...
Bockhahn, Jennifer   +2 more
core   +5 more sources

NativeVRF: A Simplified Decentralized Random Number Generator on EVM Blockchains

open access: yesSystems, 2023
Smart contracts refer to small programs that run in a decentralized blockchain infrastructure. The blockchain system is trustless, and the determination of common variables is done by consensus between peers.
Warodom Werapun   +4 more
doaj   +1 more source

Understanding RNG Gas Quality through Execution at Newtown Creek WRRF RNG

open access: yes, 2023
With each passing year a new record for global emissions is set (1) and policymakers and utility companies must embrace all avenues for decarbonization of energy.
Brian Barkwill   +2 more
core   +1 more source

DC Bus Voltage Selection for a Grid-Connected Low-Voltage DC Residential Nanogrid Using Real Data with Modified Load Profiles

open access: yesEnergies, 2021
This study examines various low voltage levels applied to a direct current residential nanogrid (DC-RNG) with respect to the efficiency and component cost of the system.
Saeed Habibi   +3 more
doaj   +1 more source

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