Low Temperature Combustion Diesel Engines

Low Temperature Combustion Diesel Engines

Diesel engines are the most common type of internal combustion engines due to their prolific usage in the transportation and power generation industries. This widespread use has led to a large push within the engine industry to improve emissions and efficiencies through novel combustion methods. Low temperature combustion methods have shown great promise in the ability to decrease nitric oxide and soot emissions from diesel engines. This study develops an engine model for the analysis of low temperature combustion operating modes within a diesel engine. It is used to conduct parametric studies on the use of exhaust gas recirculation and injection timing to determine the most efficient combinations for low temperature combustion. A challenge associated with low temperature combustion is increased pressure rise rates inside the cylinder. This can cause increased engine noise and possible damage to the cylinder. This study also analyzes methods that decrease the cylinder pressure rise rates that can be present during low temperature combustion. All of this combined allows for an efficient low temperature combustion mode that leads to decreased emissions for engine applications.

Купить за 4839 руб. Найти похожий товар
Emissions from the Combustion of B20 and ULSD Blends

Emissions from the Combustion of B20 and ULSD Blends

Biodiesel has been a promising alternative clean fuel to fossil fuels, which reduces the emissions that are released by fossil fuels and possibly reduce the energy crisis caused by the exhaustion of petroleum resources in the near future. Biodiesel is replacing diesel as an alternative fuel for internal combustion engines. In this study biodiesel blend B20 and ULSD (B0) were combusted to investigate how the engine conditions influence the emission concentrations of H2, CO, CH4, CO2, N2 and morphological data of particulate matter. From our results under varied tested conditions we have incurred that, for low H2 emissions, B20 combustion under low temperatures and high pressures is preferred. For low CO emissions, B20 combustion under high temperatures and pressures is preferred. For low N2 emissions, ULSD combustion under low temperatures and high pressures is preferred. For low CH4 emissions, ULSD combustion under low temperatures and high pressures is preferred. For low CO2 emissions, ULSD combustion under low temperatures and low pressures is preferred.

Купить за 4839 руб. Найти похожий товар
Eastor Mechanical Hour Meter Gauge Timer for Gasoline Engines Diesel Generators Electron (DC 8~80V)

Eastor Mechanical Hour Meter Gauge Timer for Gasoline Engines Diesel Generators Electron (DC 8~80V)

Used to record the working time of engines. White numbers refer to hours and red ones to 1/10 hour. Completely sealed dustproof and dampproof. Low power consumption and high accuracy. Suitable for gasoline engines diesel generators electronic motors etc. Specifications: Range: 0~99999.9 hours; Accumulated precision: +/- 0.02%; Operating temperature: -10'C~+50'C; Power consumption: 0.3W; Mechanical vibration: 10~70Hz 1~8g; Power voltage: DC 8~80V

Купить за 877.29 руб. Найти похожий товар
Theoretical and Numerical Analysis of Spray Combustion

Theoretical and Numerical Analysis of Spray Combustion

The present book is concerned with theoretical and numerical investigation of combustion processes in multiphase media. The main topic under consideration is auto-ignition of polydisperse fuel spray droplets. The research is motivated by a large number of industrial applications. For example, internal combustion and diesel engines, homogeneous chemical reactors, spontaneous insulation fires occurrence etc.

Купить за 4929 руб. Найти похожий товар
Comparison of Combustion Models Applied to Heavy Duty Diesel Engine

Comparison of Combustion Models Applied to Heavy Duty Diesel Engine

Combustion modeling and predicting phsical events inside reciprocating engines are very useful to design new combustion chambers. However, combustion modeling in 3D moving geometry is very difficult. In this book, different combustion models were compared within a multi-dimensional framework applied to heavy duty CI engine. Turbulent cold flow, spray, combustion were modeled and models compared with each other.

Купить за 5490 руб. Найти похожий товар
Gasoline Direct Injection Hot Surface Ignition Engine

Gasoline Direct Injection Hot Surface Ignition Engine

Nowadays, NOX emission is one of the serious problems of direct injection (DI) diesel engines, which is concerned to be solved with different new technologies. On the other hand, in gasoline engine or spark ignition (SI) engine, NOX emission is lower than diesel engine. But its efficiency is low. Therefore, the concept of diesel engine for achieving a high efficiency and the concept of gasoline engine for its low emissions especially NOX, can be mixed. Thus, gasoline direct injection compression ignition (GDCI) is introduced as a new combustion system that overcomes the limitations of diesel and gasoline engines. In the present experimental study, the concept of GDCI is achieved by using a hot surface ignition system instead of using a compression ignition system to initiate combustion. So, it is called a gasoline direct injection hot surface ignition system. The objective of this work is an aim to investigate the ignition characteristics of the spray, such as ignition delay, duration of burn (combustion) and duration of injection for the format of gasoline direct injection hot surface ignition heavy duty engine at different fuel injection and cylinder air pressures.

Купить за 4929 руб. Найти похожий товар
Catalytic Control of CO, HC, NOx & PM from Diesel Fuelled Vehicles

Catalytic Control of CO, HC, NOx & PM from Diesel Fuelled Vehicles

Diesel engines are preferred system over the gasoline, due to their high fuel efficiency, low-operating cost, high durability and low CO2 emission. However, emissions of NOx and soot as well as CO and HCs from diesel engines are major concern due to severe health and environment effects. Further, Euro-6/Euro-VI standards for light duty/heavy duty vehicles are implemented in Sept. 2014 require additional reduction of 56%/80% in NOx and 10%/67% in soot emissions compared to Euro-5/Euro-V levels respectively. Four way catalysts (FWC) seem to be a possible single-component technology solution to control total emissions. In the present work, the double layers of catalysts containing perovskite and Cu-ZSM5 were explored for the same purpose. La0.6K0.4CoO3 catalyst along with Cu-ZSM showed 100% conversion of NOx at 450oC with peak temperature of soot combustion at 420oC, the temperature of the HC total conversion was 480oC, and 100% conversion of CO was at 388oC which are in the range of exhaust temperature of 150–450 °C. The activity order of double layers catalysts is as follows: La0.6K0.4CoO3 (Sol-gel)+Cu-ZSM-5 > La0.6K0.4CoO3 (Sol-gel) + Ag/Al2O3 > La0.6K0.4CoO3 (Co-ppt)

Купить за 4929 руб. Найти похожий товар
Introduction to Internal Combustion Engines

Introduction to Internal Combustion Engines

Now in its fourth edition, Introduction to Internal Combustion Engines remains the indispensable text to guide you through automotive or mechanical engineering, both at university and beyond. Thoroughly updated, clear, comprehensive and well-illustrated, with a wealth of worked examples and problems, its combination of theory and applied practice is sure to help you understand internal combustion engines, from thermodynamics and combustion to fluid mechanics and materials science. Introduction to Internal Combustion Engines: - Is ideal for students who are following specialist options in internal combustion engines, and also for students at earlier stages in their courses - especially with regard to laboratory work - Will be useful to practising engineers for an overview of the subject, or when they are working on particular aspects of internal combustion engines that are new to them - Is fully updated including new material on direct injection spark engines, supercharging and renewable fuels - Offers a wealth of worked examples and end-of-chapter questions to test your knowledge - Has a solutions manual availble online for lecturers at www.palgrave.com/engineering/stone

Купить за 6316 руб. Найти похожий товар
Internal Combustion Engines

Internal Combustion Engines

internal-combustion engine, one in which combustion of the fuel takes place in a confined space, producing expanding gases that are used directly to provide mechanical power. Such engines are classified as reciprocating or rotary, spark ignition or compression ignition, and two-stroke or four-stroke; the most familiar combination, used from automobiles to lawn mowers, is the reciprocating, spark-ignited, four-stroke gasoline engine. Other types of internal-combustion engines include the reaction engine (see jet propulsion, rocket), and the gas turbine. Engines are rated by their maximum horsepower, which is usually reached a little below the speed at which undue mechanical stresses are developed. Sections in this article: • Introduction • Engine cycles • SI and CI engine • Two stroke engine • Fuels and lubricants • Combustion • Adiabatic engine • Bibliography

Купить за 4929 руб. Найти похожий товар
1 2 3 4 5 6 7