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You searched on: Author: kuldeep prasad

Displaying records 11 to 20 of 77 records.
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11. Continuous measurement and large-eddy simulation of greenhouse gas emissions at local spatial scales
Published: 2/28/2013
Authors: Kuldeep R Prasad, Elena Novakovskaia, Adam Nottrott, Ralph Keeling, Chris Sloop
Abstract: Natural gas ‹ a hydrocarbon gas mixture that consists primarily of CH4 ‹ is perceived as ,transition fuelŠ due to its high energy density and lower greenhouse gas (GHG) emissions during combustion relative to coal and oil. However, considering the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912287

12. In situ monitoring of atmospheric methane using a dense network in the Northeastern U.S.
Published: 2/28/2013
Authors: Kuldeep R Prasad, Elena Novakovskaia, Marc Fischer, Chris Sloop
Abstract: Methane (CH4) is one of the major greenhouse gases with a CO2‹relative global warming potential above 20 over a 100-year period (IPCC TAR). Global average concentration of this tracer in Earth's atmosphere is increasing due to widely spread surface ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912288

13. Reconstruction of the Thermal Environment in the Tall World Trade Center Buildings
Published: 1/11/2013
Authors: Richard George Gann, Anthony P Hamins, Kevin B McGrattan, Thomas J. Ohlemiller, Kuldeep R Prasad, William M Pitts, Harold E Nelson
Abstract: The National Institute of Standards and Technology (NIST) conducted an extensive investigation of the collapse of the three tall World Trade Center (WTC) buildings. This paper describes the reconstruction of the fires, the thermal environment they c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910063

14. Monitoring methane in the boundary layer using a network of instruments at tall towers in the northeastern US
Published: 12/24/2012
Authors: Kuldeep R Prasad, Elena Novakovskaia
Abstract: Methane is one of the major greenhouse gases and in recent years more efforts have been undertaken to estimate its emissions at local and regional scales utilizing new observing systems. During 2012, Earth Networks Inc. deployed a dense GHG obse ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912286

15. Optimum placement of sensors on building rooftop for measurement of greenhouse gas mixing ratio
Published: 12/24/2012
Authors: Kuldeep R Prasad, Anthony Bova, James R Whetstone, Elena Novakovskaia
Abstract: Currently, inverse atmospheric dispersion models are being used around the world to provide measurement-based, or ,top- down,Š estimates of greenhouse gas (GHG) emissions for comparison with input-based, or ,bottom-up,Š estimates. To minimize unce ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912025

16. Helium Dispersion in an Attached Single-Car Residential Garage with and Without Vehicle
Series: Technical Note (NIST TN)
Report Number: 1731
Published: 10/2/2012
Authors: William M Pitts, Jiann C Yang, Marco G Fernandez, Kuldeep R Prasad
Abstract: The dispersion and loss of helium inside a single-car residential garage attached to a single-family house was experimentally characterized by recording time-resolved helium concentrations at multiple locations in the garage and at a single locat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909328

17. NATURAL AND FORCED VENTILATION OF BUOYANT GAS RELEASED IN A FULL-SCALE GARAGE: COMPARISON OF MODEL PREDICTIONS AND EXPERIMENTAL DATA
Published: 12/19/2011
Authors: Kuldeep R Prasad, William M Pitts, Marco G Fernandez, Jiann C Yang
Abstract: Increase in the number of hydrogen fueled applications in the marketplace will require a better understanding of the potential for fires and explosion associated with the unintended release of hydrogen within a structure. Predicting the temporally ev ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908227

18. A NUMERICAL STUDY OF THE RELEASE AND DISPERSION OF A BUOYANT GAS IN PARTIALLY CONFINED SPACES
Published: 3/4/2011
Authors: Kuldeep R Prasad, William M Pitts, Jiann C Yang
Abstract: Development of the hydrogen economy will require a better understanding of the potential for fires and explosions associated with the unintended release of hydrogen within a structure. The ability to predict the mixing and dispersion behavior of hydr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906120

19. High Pressure Release and Dispersion of Hydrogen in a Partially Enclosed Compartment
Published: 3/1/2011
Authors: Kuldeep R Prasad, Thomas George Cleary, William M Pitts, Jiann C Yang
Abstract: The study of compressed hydrogen release from high-pressure storage systems has practical application for hydrogen and fuel cell technologies. Such releases may occur either due to accidental damage to a storage tank or connecting piping, or direct ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906807

20. Vertical Release of Hydrogen in a Partially Enclosed Compartment : Role of Wind and Buoyancy
Published: 1/25/2011
Authors: Kuldeep R Prasad, William M Pitts, Jiann C Yang
Abstract: The natural and wind driven mixing and dispersion of hydrogen released in an accidental manner in a partially enclosed compartment with two vents is investigated using theoretical tools. A simple analytical model is constructed to predict the entra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905660



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