-
541
-
542
Unraveling the spatiotemporal trends and source attribution of polycyclic aromatic hydrocarbons and oxygenated derivatives in Guangzhou agricultural ditch sediment
Published 2025-01-01“…Secondary sources encompassed coal combustion, road runoff, and wastewater from both industrial and shipping activities. …”
Get full text
Article -
543
A mathematical analysis of thermal explosions
Published 2001-01-01“…This paper is devoted to the study of semilinear degenerate elliptic boundary value problems arising in combustion theory which obey the simple Arrhenius rate law and a general Newton law of heat exchange. …”
Get full text
Article -
544
Prognoza rozwoju paliw płynnych
Published 2005-12-01“…The article includes analysis o f basic terms an d definitions an d following issues: the directions of modification and development of the drive in the wheel vehicles, the forecast of development of standard fuels for internal combustion engines, the improvement of demands towards oils and fuel liquids, prospective fuel substances and non-standard fuels.…”
Get full text
Article -
545
Modeling Electricity Markets and Energy Systems: Challenges and Opportunities
Published 2025-01-01“…From the dawn of the Industrial Revolution, energy was predominantly produced by conventional technologies, relying on a heat source (mostly from the combustion of fossil fuels) and the turning of steam turbines [...]…”
Get full text
Article -
546
About possibility of energy-efficient heating of cast iron in a close cupola forehearth
Published 2003-05-01“…Therе is analyzed the possibility of heating of the melting product in the cupola forehearth due to combustion heat of natural gas, and also is given data on physical modeling of metal melt bursting by gas blushes and on experimental determination of gas stress in a forehearth.…”
Get full text
Article -
547
Problemy zasilania współczesnych silników spalinowych wybranymi biopaliwami
Published 2008-12-01“…The paper presents most popular biofuels with their basic physicochemical properties in comparison with conventional fuels, the article also contains present normalizations of selected alternative fuels, the possibilities of supplying modern internal combustion engine with biofuels with requiring changes in their constructions were estimated on the basis of collected documentation.…”
Get full text
Article -
548
Electronic cigarettes’ effects on respiratory health
Published 2023-02-01“…ECs have been sold as a safer alternative to traditional cigarettes due to the lack of tobacco combustion since 2006. Their use has risen dramatically not only among current smokers willing to quit, but even among never-smokers and adolescents. …”
Get full text
Article -
549
Effects of Oil Drops and the Charcoal’s Proximate Composition on the Air Pollution Emitted from Charcoal Barbecues
Published 2020-04-01“…In addition, increasing the combustion temperature reduced the EFs of HCs, formaldehyde, and CO but increased those of Fe and Zn. …”
Get full text
Article -
550
The Effects of Pilot Structure on the Lean Ignition Characteristics of the Internally Staged Combustor
Published 2025-01-01“…Under the typical working conditions (the air mass flow rate is 46.7 g/s and the ignition energy is 4 J), for a pilot swirler with a rotating direction opposite to the main swirler, the diameter of the auxiliary fuel nozzles is 0.2 mm, the swirl number of first-stage of pilot swirler is 1.4, and the lean ignition fuel–air ratio was reduced to 0.0121, which is 32.78% lower than the baseline scheme, which further broadens the lean ignition boundary of the centrally staged combustion chamber.…”
Get full text
Article -
551
Evaluation and mechanism investigations of titanium-fire inclusiveness in aeroengine compressor
Published 2025-01-01“…A large number of droplets and their products produced by titanium fire combustion in aeroengine compressor will cause burn through and non-inclusiveness failure of titanium alloy casing. …”
Get full text
Article -
552
Study on cook-off characteristics and thermal safety venting area of RBOE charge
Published 2025-01-01“…Based on the thermal decomposition reaction characteristics and combustion characteristics of each component of RBOE explosive, the cook-off calculation models of RBOE warhead before and after ignition were established. …”
Get full text
Article -
553
Sources and Radiative Impact of Carbonaceous Aerosols Using Four Years Ground-Based Measurements over the Central Himalayas
Published 2023-07-01“…Further, we show that the contribution of fossil fuel combustion (eBCff) is 3.5 times greater than that of biomass burning (eBCbb). …”
Get full text
Article -
554
Development of a conceptual model for a gas detonation deminer
Published 2024-11-01“…The main source of shock waves is the combustion process of fuel-oxygen and fuel-air mixtures in two separate combustion chambers. …”
Get full text
Article -
555
Numerical Investigation on the Effect of Fuel-Rich Degree in the RBCC Engine under the Ejector Mode
Published 2024-01-01“…For supersonic conditions, increasing the fuel-rich degree promotes greater fuel participation in combustion, thereby enhancing RBCC engine performance. …”
Get full text
Article -
556
The energy potential of some high-enthalpy N-oxides as oxidizers
Published 2018-10-01“…The energy abilities of solid composite propellants based on a couple of new high-enthalpy N-oxides (furazano-terazine-dioxide and tetrazino-tetrazine-1,3,6,8-tetraoxide) have been considered, it is found that these two compounds show record energy characteristics — specific impulse up to 273 s (at pressure in the combustion chamber and at the nozzle section 4,0 and 0,1 MPa respectively) at the combustion temperature not higher than 3700 K. …”
Get full text
Article -
557
Analyzing microstructural features, surface topography, and scratch resistance of innovative nano-composites coated with high velocity air-fuel technology
Published 2023-10-01“…The High-velocity Air Fuel Process' quality and efficiency are primarily due to the broad combustion chamber and axial injection of the feedstock through it, as well as the relatively low combustion temperature of an air-fuel mixture and the low gas velocity that provides enough time for the mild heating of the powder particles. …”
Get full text
Article -
558
The Effect of the Gap Spark Plug Electrode to The Performance of Motorcycle GL 200 D
Published 2022-10-01“…If the spark plug electrode gap is not adjusted correctly or too tight, it will result the spark produced be weaken and the power generated will decrease, meanwhile if the spark plug electrode gap is too wide, it will cause to combustion failure while operate with high rpm. In this research, the effect of the spark plug electrode gap (0.6 mm,0.7 mm and 0.8 mm) on the GL 200 D motorcycle performance is conducted with different input torque and power. …”
Get full text
Article -
559
Flow Stagnation under Single and Two-Phase Natural Circulation Conditions in the APEX-CE Test Facility
Published 2008-01-01“…Natural circulation experiments were conducted at Oregon State University using the advanced plant experiment (APEX-CE) integral system test facility as configured to simulate a typical 2×4 Combustion Engineering nuclear steam supply system. …”
Get full text
Article -
560
Simulation Analysis of RES System Optimization Strategy of Range-extended Electric Vehicle
Published 2015-01-01“…Based on the working modes of the transmission system of range-extended electric vehicle,the map of internal combustion engine and battery system characters are obtained through calculation,the main components of transmission are set up in Matlab on the basis of dynamics equation,and the model is analyzed,the genetic algorithm is combined into control strategy in order to optimize the start-close area of range extended system.The simulation results show that the optimized strategy can not only improve the fluctuation range of SOC,but also improve the fuel consumption of transmission system.…”
Get full text
Article