Results 11 to 20 of about 5,244,648 (358)

Comprehensive Performance Assessment of Dual Loop Organic Rankine Cycle (DORC) for CNG Engine: Energy, Thermoeconomic and Environment

Energies, 2022
The improvement of the overall utilization rate of compressed natural gas (CNG) engine fuel is the basis of efficient energy utilization. On the foundation of heat balance theory of internal combustion engines, this study fully considers the operation ...
Xu Ping, Baofeng Yao, Hongguang Zhang, Hongzhi Zhang, Jia Liang, Meng Yuan, Kai Niu, Yan Wang   +7 more
doaj   +1 more source

Interaction between Droplets and Particles as Oil–Water Slurry Components

Energies, 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, Pavel Tkachenko, Kristina Pavlova, Pavel Strizhak   +3 more
doaj   +1 more source

Performance Prediction and Working Fluid Active Design of Organic Rankine Cycle Based on Molecular Structure

Energies, 2022
Working fluid selection is crucial for organic Rankine cycles (ORC). In this study, the relationship between molecular structure and ORC performance was established based on the quantitative structure–property relationship (QSPR) and working fluid ...
Yachao Pan, Fubin Yang, Hongguang Zhang, Yinlian Yan, Anren Yang, Jia Liang, Mingzhe Yu   +6 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

Energies, 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, Nitesh K. Panday, Shailendra N. Singh   +2 more
doaj   +1 more source

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

Системный 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, A. N. Chichko, Yu. V. Zhukova, I. G. Kukharchuk, A. F. Melets, V. A. Malkin   +5 more
doaj   +1 more source

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

Applied 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, Kristina Paushkina, Ksenia Vershinina, Olga Vysokomornaya   +3 more
doaj   +1 more source

Modeling of a Double Gas Hydrate Particle Ignition

Applied 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, Sergey Misyura, Dmitrii Razumov, Pavel Strizhak   +3 more
doaj   +1 more source

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

E3S 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, Torras Santiago, Oliet Carles, Rigola Joaquim, Pérez-Segarra Carlos-David   +4 more
doaj   +1 more source

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

Frontiers 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, Xinxin Zhang, Zhenlei Li, Zhenlei Li, Jingfu Wang, Jingfu Wang, Yuting Wu, Yuting Wu, Chongfang Ma, Chongfang Ma   +9 more
doaj   +1 more source

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

Energies, 2022
In the original article [...]
Anastasia Islamova, Svetlana Kropotova, Pavel Strizhak   +2 more
doaj   +1 more source