Engineering, 17.03.2020 02:23 patrickdolano

Assume that you are designing a reformer reactor that is part of a fuel cell fuel processor system that will use natural gas (primarily methane, CH4) as the primary fuel for a 100 kWe fuel cell. (a) Write balanced chemical expressions for the steam reformation, partial oxidation, and water-gas shift reactions that could occur for the various design options of your reformer reactor. (b) Determine the flow-rate of methane required in kg/hr (note that you must make some assumptions about efficiency or voltage to determine the flow required). (c) Determine the desired steam flow-rate in kg/hr for a steam reformer and note your assumptions/reasons for selecting this flow-rate. (d) Determine the desired air flow-rate in kg/hr for a partial oxidation reformer design. Must add only enough air to produce 0.5 moles O2 per mole of CH4. (e) Which reformer design do you prefer and why

Answers: 1

Show answers

Another question on Engineering

Engineering, 04.07.2019 18:10

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk

Answers: 1

Answer

Engineering, 04.07.2019 18:10

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k

Answers: 2

Answer

Engineering, 04.07.2019 18:20

Water vapor initially at 10 bar and 400 °c is contained within a piston-cylinder assembly. the water lost heat to the surrounding according to isochoric (iso-volumetric) process until its temperature is 150 °c. the water is then condensed isothermally to saturated liquid. for the water as a system, calculate the work in kj/kg

Answers: 2

Answer

Engineering, 04.07.2019 19:10

The air in an automobile tire with a volume of 0.015 m3 is at 32°c and 140 kpa gage. determine the amount of air that must be added to raise the pressure to the recommended value of 206 kpa gage. assume the atmospheric pressure to be 128 kpa and the temperature and the volume to remain constant.[r-0.287 kj/kgk]

Answers: 3

Answer

You know the right answer?

Assume that you are designing a reformer reactor that is part of a fuel cell fuel processor system t...

Questions