1 / 9

Optimal Conditions for Efficient Combustion: A Thermodynamic Study

Discover the selection of conditions for efficient and eco-friendly combustion in this detailed text on thermodynamics by Professor P.M.V. Subbarao. Learn about mathematical models for reaction completion, testing and optimization. Understand the impact of reactants and products on combustion efficiency and environmental safety. Explore the Generalized Theory of Extent of Reaction and practical results of model testing. Find out about key parameters such as air flow rate, fuel flow rate, and steam flow rate to optimize combustion configurations. Gain insights on mixing, air composition, turbulence generation, and more.

smahaffey
Download Presentation

Optimal Conditions for Efficient Combustion: A Thermodynamic Study

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Thermodynamics of Actual Combustion P M V Subbarao Professor Mechanical Engineering Department Selection of Conditions for Efficient and Eco-friendly Combustion….

  2. Mathematical Model for Completion of Reaction For every fuel, a designer should know all possible reactants !!! Some products will influence the efficiency of reaction. Few other may not influence the efficiency of reaction but severely affect the environment. The optimal parameters for efficient reaction may not be optimal for safe reaction !!

  3. Generalized Theory of Extent of Reaction Possible P1,T1 P3,T3 P2,T2 Entropy of Universe Extent of Reaction

  4. Model Testing for Determination of important species Water Flow Rate Air Flow Rate Flue gas Analysis Fuel Flow Rate

  5. Results of Model Testing. • For a given fuel and required steam conditions. • Optimum air flow rate. • Optimum fuel flow rate. • Optimum steam flow rate. • Optimum combustion configuration!!! • Realization of MATtr Theory • Mixing: Fuel preparation systems. • Air: Draught systems. • T : Preheating of fuel. • t : Dimensions of combustion chamber. • r: Turbulence generation systems.

  6. Air composition • Air is a mixture of nitrogen, oxygen CO2 and some inert gases. • It also consists of water vapours of varying quantity. • The mean percentage of main atmospheric constituents in clean air and their mean residence times are presented below.

  7. Humid Air

  8. Combustion with Ambient Air

  9. Actual Combustion with Moist Air & Fuel

More Related