IdealGasLawCharlesBoyle=ConstantGay-LussacAvoga-IdealGasLawdroPressureVolumeMol ofgasP.V=n-R-TGasconstant=8.314Temperature11PolyUBEEEDrXinyanHuang
PolyU BEEE 11 Dr Xinyan Huang Ideal Gas Law 11 P × V = Constant T × NA P ⸱ V = n ⸱ R ⸱ T Pressure Volume Mol of gas Gas constant = 8.314 Temperature Ideal Gas Law Boyle Gay-Lussac Charles Avogadro
https://www.youtube.com/watch?v=BxUS1K7xu30&t=470s
PolyU BEEE 12 Dr Xinyan Huang Idea Gas Law 理想氣體方程 12 https://www.youtube.com/watch?v=BxUS1K7xu30&t=470s
THEHONGKONGPOLYTECHNICUNIVERSITY香港理工大1.IdealGasLaw2.Diffusion Flame3.PremixedFlame4.FlameChemistryPolyUBEEE13DrXinyan Huang13
PolyU BEEE 13 Dr Xinyan Huang 13 1. Ideal Gas Law 2. Diffusion Flame 3. Premixed Flame 4. Flame Chemistry
Diffusion FlameLowconcentrationDiffusionisthetransportofmassdue to agradient in speciesconcentrations.HighconcentrationLike liquid, gas particles will also followthis law,whereits diffusion intensity canbe given as:MoleculardiffusivitydcMolecular concentrationJ= -D.dxDiffusion distancePolyUBEEE14DrXinyanHuang14
PolyU BEEE 14 Dr Xinyan Huang Diffusion Flame 14 Diffusion is the transport of mass due to a gradient in species concentrations. High concentration Low concentration Like liquid, gas particles will also follow this law, where its diffusion intensity can be given as: JD = dC dx -D ⸱ Molecular diffusivity Molecular concentration Diffusion distance
Diffusion FlameDiffusionIn this way,we can identify a kind of flame,wherethereisconcentrationdifference-between the fuel and oxygen before burning,calledDiffusionFlame.highconcentrationlowconcentrationsoluteAclassicaldiffusionflamecanbedemonstratedbytheBunsenburner.bumertubeFlamesurfacestopcockFuel02PolyU BEEE15DrXinyanHuang15
PolyU BEEE 15 Dr Xinyan Huang Diffusion Flame 15 In this way, we can identify a kind of flame, where there is a concentration difference between the fuel and oxygen before burning, called Diffusion Flame. A classical diffusion flame can be demonstrated by the Bunsen burner. Fuel O2 Flame surface