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  1. ceesjan

    Cooling the air at the inlet to a compressor

    desi, cooling or humidify (!) inlet air will decrease the amount of compressor power. so if u can cool inlet air it is advisible however a refrigeration cycle will need power which will influence the total efficiency (probably lower). For swirl flash technology see: www.alphapowersystems.nl
  2. ceesjan

    Effectiveness-NTU graphs/equations

    For any heat transfer problem: VDI waermeatlas. Cees-Jan
  3. ceesjan

    Fossil Thermal power plants - Boiler tubes Thickness survey

    Mr Muralidaran, I work at a dutch company which has a broad experience with boiler diagnostics. What we can do: Performance Assessments (boilers): -Burner / Soot Blower Optimisation -Extending Inspection Intervals -Performance (fouling) Monitoring -Boiler Thermal Design Optimisation Technical...
  4. ceesjan

    STEAM TURBINE

    For a coal fired plant. approximately: HP 25% Load IP 45% Load LP 30% Load adding up to 100% regards, Cees-Jan
  5. ceesjan

    Specialists vs. Generalists

    PSE, I am a mechanical engineer (MSc, Thermal Power Engineering) and if I look around me I see that the choice you refere to really depends on someone's interest and personality. Both specialists and consultants are needed and the first type is mostly more the quiet puzzle-solving type while...
  6. ceesjan

    Convert manure gas to natural gas at farm

    Is it possible to upgrade manure gas to natural gas and actually inject it in the gas infra structure for a more sustainable society? Or does anybody know any projects as such? The manure will produce a H2S rich gas and must be treated accordingly, but will the gas from the manure not change...
  7. ceesjan

    Water temperature change due to sun light

    Robski, calculating the water temperature is not so simple as it seems. Various factors play a role (indeed sunlight, depth of the pond, location etc etc). If u use the water in your condenser and want to know the temperature of your water you have to measure or use a correction (water...
  8. ceesjan

    METRIC !

    Don't you think it's time for engineers all over the world to use the same system?? Ofcourse this must be the metric system! c-j
  9. ceesjan

    Heat Transfer Culculation

    TBP I totally agree with you. It's the way things work. I find that by programming the relations in the VDI-warmeatlas, which is the best book on the topic, u can calculate any heat transfer problem. Oh yeah the book is in German and metric, of which the latter is the way we engineers should...
  10. ceesjan

    Hydrogen combustion

    Q. Is the hydrogen used in a gasturbine? Hydrogen combustion in a gasturbine will produce (only!) thermal NOx due to the higher adiabatic flame temperature: but no need for a deNOx measuures. Cees-Jan
  11. ceesjan

    CO2 Removal from Plant Stacks

    Check http://www.ieagreen.org.uk/capt1.htm You will find basic knowledge of CO2 capture. Furthermore you will find out that CO2 capture decreases plant efficiency by approx. 10 pct points, and will result in much higher energy prices.

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