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Combustion - Green Fuels Project
Premixed Flames
Assume that 3.75 kg/s of air, at 750k and 20 bars, enters the premix chamber of a combustor. The target temperature inside the combustion chamber is 1900K. The following cases are to be analysed
a) 100% Methane
b) Blends of Methane and Hydrogen, with 30%-50% and 80% H2 by volume
c) 100% HydrogenFor each case assume that Nitric Oxide (NO) is present in the products and is in equilibriumCalculatei. The mass flowrate of fuel required for each caseii. The resulting parts-per million of NO produced for each case
Diffusion Flames
A. If an engine burns 0.2 kg/s of liquid Diesel (C12H26), what flowrate of Methanol would be required to produce the same power?
B. What are the environmental advantages of using methanol over Diesel?
The Cookenwythe Gas Company pumps propane gas to the nearby Noxious Chemicals, Inc., polypropylene production plant. The gas is metered at the noxious plant at 400m3/h at 4.7atm gauge and 30°C.
What is the Fermi level with respect to mid-gap in intrinsic InSb?
Pyrolysis of Ethane proceeds with an activation energy of 70000 calories. How muchfaster is the decomposition at 650oC than at 500oC?(Dec-2004 & 2005-Bio)
Draw a block diagram for the controlsystemaste your question here...
A rectangular loop is placed in the field of an in- finitely long straight conductor carrying a current of I amperes, as shown in Figure P12.1.2. Find an expression for the total flux linking the loop, assuming a medium of permeability µ.
The Hub and Spoke Concept continues its development in the various modes of transportation (Maritime, Air, Truck, and Rail). Describe some of the key advantages this concept brings to the various modes of transportation.
Which alarms should activate a shutdown trip, and which valves should be closed?
r crystal/minute =200d-10d d in mm What are the units of the constants 200and 10 assume the given equation is valid and Therefore Dimensionally homhgeneous
1name the five classes of fire and give an example of each. describe how an extinguishing agent controls each class of
Explain the term "Selectivity" and "Yield".Selectivity is defined as the ratio of moles of desired product to moles of undesired product
A change in the design of the door provides the opportunity to increase or decrease the 20-mm spacing by 10 mm. What recommendations would you offer with regard to how the change in spacing will alter heat losses?
Side reactions are suppressed by the introduction of steam. If equilibrium is attained at 925 K and 1 bar and if the reactor product contains 12-mol-% 1,3-butadiene
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