Results 1 to 10 of about 1,932,556 (210)

Thermodynamic Analysis and Optimization Design of a Molten Salt–Supercritical CO₂ Heat Exchanger

Energies, 2022
The performance of a heat exchanger is directly related to the energy conversion efficiency of the thermal storage system, and its optimal design is an important method to improve the performance of the heat exchanger.
Xiaoming Dong, Cancan Zhang, Yuting Wu, Yuanwei Lu, Chongfang Ma   +4 more
doaj   +1 more source

Composite Liquid Biofuels for Power Plants and Engines: Review

Energies, 2023
The problems of environmental pollution caused by the operation of power plants and engines motivate researchers to develop new biofuels. The environmental aspect of composite biofuels appears to have great potential because of the carbon neutrality of ...
Genii Kuznetsov, Vadim Dorokhov, Ksenia Vershinina, Susanna Kerimbekova, Daniil Romanov, Ksenia Kartashova   +5 more
doaj   +1 more source

Prospects for the Use of Metal Surfaces Modified by Nanosecond Laser Radiation for Energy Applications

Energies, 2023
Laser technologies for processing metals used as heat exchange surfaces are unrivaled to solve a number of problems in the energy industry. This is explained by the fact that after laser radiation treatment, metal surfaces gain unique surface functional ...
Dmitriy Glushkov, Kristina Paushkina, Andrey Pleshko, Ilya Zykov, Evgeniya Orlova, Dmitriy Feoktistov   +5 more
doaj   +1 more source

Effect of Liquid Properties on the Characteristics of Collisions between Droplets and Solid Particles

Applied Sciences, 2022
The characteristics of the collisions of droplets with solid particles (52,100 steel) were experimentally studied when varying the key liquid properties: viscosity (1–6.3 mPa·s), surface tension (72.69–36.1 mN/m) and interfacial (liquid-liquid) tension ...
Anastasia Islamova, Pavel Tkachenko, Nikita Shlegel, Geniy Kuznetsov   +3 more
doaj   +1 more source

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

Experimental Research of the Initial Temperature and Additives Effect on the Ignition and Combustion Mechanisms of Composite Liquid Fuel in a High-Temperature Oxidizer

Applied Sciences, 2023
Composite fuel is a promising energy source that allows for solving the problems of waste disposal with energy generation. Such fuel is the most accessible fuel and is cheap in comparison with fossil fuels widely used in industrial thermal power ...
Dmitrii Glushkov, Dmitrii Klepikov, Aleksandr Nigay, Kristina Paushkina, Andrei Pleshko   +4 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

Experimental Research on Performance Comparison of Compressed Air Engine under Different Operation Modes

Energies, 2023
An air-powered vehicle is a low-cost method to achieve low-pollution transportation, and compressed air engines (CAE) have become a research hotspot for their compact structure, low consumption, and wide working conditions.
Jia Liang, Baofeng Yao, Yonghong Xu, Hongguang Zhang, Fubin Yang, Anren Yang, Yan Wang, Yuting Wu   +7 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