03: For diffusion flame, if the mixture fraction governing equation is given as: d²z dz + = 0, with Boundary conditions z (0) =1 and z (1)=0, what is the side (fuel or dx² dx oxidizer side) of the x = 3 a) Theoretical method if Zatio =0.55 using: b) Numerical method (finite difference) take Ax =
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- I need a rules used in the ventilation system for the report "air quality and safe entertainment in sports halls" like this photo below but for ventilation system formulas15.)Find the mole fraction in percent of H,0 at the products of combustion in real combustion of 1 mole of octane (CHu) if the amount of excess air is 30%? Please Answer problem number 15. But if you can solve number 16, it will be appreciated much and rated high. Thanks!When performing a combustion efficiency test, digital flue gas will measure what four parameters?____________, and________.
- Methane fuel is burned with air in a boiler system (open system). For this system, the HFK value for the air supplied to the combustion environment is 1.4. If the temperature and pressure of the air and fuel entering the combustion environment is 25 ° C and 1atm, we calculate the flue gas temperature value of the boiler, assuming that the boiler's thermal efficiency is 60%. All reacting species and reaction products are perfect gases. There is no water condensation in the products. METANAID = 50000 kJ / kg HFK = Air excess coefficient All reacting species and reaction products are excellent gas. Products "no water condensation.Internal combustion engines7. Describe the difference(s), if any, between pre-mixed and diffusion type combustion. Please select all answers that apply: a) In pre-mixed type combustion, the fuel and oxidizer are mixed before entering the combustion chamber. b) In diffusion type combustion the fuel and oxidizer enter the combustion chamber from two separate inlet streams. c) In pre-mixed combustion the fuel and oxidizer enter the combustion chamber through a single stream. d) In diffusion combustion, the fuel is injected through a nozzle. e) In diffusion combustion, the oxidizer swirls around the fuel nozzle.
- follow the steps while answering step by step detailed answer good HANDWRINTING (DONT REJECT LET OTHER ANSWER THE QUESTION IF YOU DONT HAVE IDEA THEN SKIP).) A 300 MW pulverized coal-fired power plant of 42% efficiency uses coal with an ash content of 19% and a neating value of 24,000 kJ/kg. Assume 28% of the ash content goes up the stack as particulate matter in the flue gas. The PM emission is controlled by an ESP which has the following efficiencies and weight distribution in the given size ranges. Find the fly ash emitted in g/s. size efficiency (%) wt% in flue gas 0-5 70 7 5-10 92.5 19 10-20 96 21 20-40 99 24 >40 100 29A Methanol pool fire shows a fuel mass loss rate of 0.01 kg/s on a load cell Estimate the heat release rate Assume a combustion efficiency of 08 The heat of combustion of Methanol can be obtained from the text book (Table 76) O A 160 KW O B. 20000 KW OC. 200 kW O D. 16000 kW QUESTION 2 Estimate the heat release rate for a keroene pool fires with a mass loss rate of 0 123 kg/s Assume combustion officiency 08 O A. 2000 KW O B. 200 kW OC 4250 kW OD. 34500 KW QUESTION 3 If the diameter of the kerosene pool fire from the above question (Question 2) is2 m, estimate the flame hoight of the pool fire. O A.04 m OB.4 46 m OCB0M O D. 42m
- Q 03: A) What are the major pollutants from the exhaust of SI and CI engines. B) What is the fact that at some speed the volumetric efficiency of an engine is maximum, however it decreases gradually at the start and end.Pls. answer thank you! A fuel oil C12H26 is used in an internal combustion engine and the Orsat analysis are as follows: CO2 = 12.896: O2 = 3.5%; CO = 0.2% and N2 = 83.5%. Determine the percent excess air.Natural gas with an analysis as follows CO2 = 0.4% CH4 = 97.3%, N2 = 2.3%, is burned in a furnace. The Orsat analysis of the flue gases shows: CO2-8.5%, 02-5.6 %, CO = 0.1% and the rest is Nitrogen. Find the percentage of excess air supplied to the furnace.