Results 11 to 20 of about 398,956 (258)

VERIFICATION OF THE PHYSICAL AND MATHEMATICAL MODEL FOR CALCULATION OF AERODYNAMIC CHARACTERISTICS OF BLUFF BODIES MOVING IN AIR AT LARGE MACH NUMBERS

open access: yesСистемный анализ и прикладная информатика, 2018
The verification results of the computer simulation model for calculation of aerodynamic characteristics of bluff bodies (cone with different apex angles and a «cone–cylinder» body) moving in air at different Mach number and zero angle of attack are ...
A. D. Chorny   +5 more
doaj   +1 more source

Performance Study of a Cylindrical Parabolic Concentrating Solar Water Heater with Nail Type Twisted Tape Inserts in the Copper Absorber Tube

open access: yesEnergies, 2018
This paper reports the overall thermal performance of a cylindrical parabolic concentrating solar water heater (CPCSWH) with inserting nail type twisted tape (NTT) in the copper absorber tube for the nail twist pitch ratios, 4.787, 6.914 and 9.042 ...
Amit K. Bhakta   +2 more
doaj   +1 more source

Performance Improvement of KCS (Kalina Cycle System) 34 by Replacing Throttle Valve With Single-Screw Expander

open access: yesFrontiers in Energy Research, 2021
In order to recover the energy loss due to the throttling in the path of ammonia-lean solution in the Kalina Cycle System (KCS) 34, two redesigned cycles, in which single-screw expanders that can perform two-phase expansion are used to replace the ...
Xinxin Zhang   +9 more
doaj   +1 more source

Dynamic simulation of indirect air conditioning systems with optimized computational time [PDF]

open access: yesE3S Web of Conferences, 2019
The simulation of HVAC systems is a powerful tool to improve the energy efficiency in buildings. The modelling of such systems faces several obstacles due to both the physical phenomenology present and the numerical resolution difficulties.
Ablanque Nicolás   +4 more
doaj   +1 more source

Interaction between Droplets and Particles as Oil–Water Slurry Components

open access: yesEnergies, 2022
The characteristics of the collisions of droplets with the surfaces of particles and substrates of promising oil–water slurry components (oil, water and coal) were experimentally studied.
Anastasia Islamova   +3 more
doaj   +1 more source

Modeling of a Double Gas Hydrate Particle Ignition

open access: yesApplied Sciences, 2022
This paper presents the numerical research findings for the conditions and characteristics of methane-propane hydrate particle ignition. The curves of the ignition delay times of a hydrate particle versus its size and ambient temperature were obtained ...
Olga Gaidukova   +3 more
doaj   +1 more source

Slagging Characteristics of a Steam Boiler Furnace with Flare Combustion of Solid Fuel When Switching to Composite Slurry Fuel

open access: yesApplied Sciences, 2022
Two interconnected mathematical models have been developed to describe slagging of a steam boiler furnace at the macro and micro levels. The macro-level model is implemented in Ansys Fluent.
Dmitrii Glushkov   +3 more
doaj   +1 more source

Secondary Atomization of Fuel Oil and Fuel Oil/Water Emulsion through Droplet-Droplet Collisions and Impingement on a Solid Wall

open access: yesEnergies, 2023
This paper presents findings from an experimental study investigating the secondary atomization of liquid fuel droplets widely used in the heat and power industry exemplified by fuel oil and environmentally promising fuel oil/water emulsion.
Anastasia Islamova   +3 more
doaj   +1 more source

Gel Fuels: Preparing, Rheology, Atomization, Combustion

open access: yesEnergies, 2022
The review presents the results of experimental and theoretical studies obtained in recent years within the framework of the main areas of research of gel fuels: choice of component composition and substantiation of fuel preparation technologies and ...
Dmitrii Glushkov   +2 more
doaj   +1 more source

Research into Energy Production from the Combustion of Waste-Derived Composite Fuels

open access: yesEnergies, 2022
In the original article [...]
Anastasia Islamova   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy