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Author: kuldeep prasad
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1. Response to ,Comments on the National Institute of Standards and Technology Investigation of the 2001 World Trade Center FiresŠ
Published: 4/15/2014
Authors: Richard George Gann, Anthony P Hamins, Therese P McAllister, Kevin B McGrattan, William M Pitts, Kuldeep R Prasad
Abstract: The editor of a special issue of Fire Technology invited the NIST authors to address the NIST Investigation of the WTC disaster and associated practice and research progress in the 10 years since then. The three published papers are a summary of th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915503

2. High Pressure Release and Dispersion of Hydrogen in a Partially Enclosed Compartment : Effect of Natural and Forced Ventilation
Series: Technical Note (NIST TN)
Published: 9/2/2013
Authors: Kuldeep R Prasad, Thomas George Cleary, 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 due to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907474

3. Measurements of effective diffusion coefficients of helium and hydrogen through gypsum
Published: 7/3/2013
Authors: Jiann C Yang, William M Pitts, Marco G Fernandez, Kuldeep R Prasad
Abstract: An experimental apparatus, which was based on the ¿-scale garage previously used for studying helium release and dispersion in our laboratory, was used to obtain effective diffusion coefficients of helium and hydrogen (released as forming gas for s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914193

4. Greenhouse Gas Emissions and Dispersion #2. Comparison of FDS Predictions with Gas Velocity Measurements in the Exhaust Duct of a Stationary Source
Series: Special Publication (NIST SP)
Report Number: 1159
Published: 4/25/2013
Authors: Kuldeep R Prasad, Kevin Li, Elizabeth F Moore, Rodney A Bryant, Aaron N Johnson, James R Whetstone
Abstract: The burning of fossil fuels remains a major source of greenhouse gases responsible for global warming and climate change. In order to reduce greenhouse gas emissions, it is imperative to develop a capability to accurately measure these emission ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912448

5. Greenhouse Gas Emissions and Dispersion 1. Optimum placement of gas inlets on a building rooftop for the measurement of greenhouse gas concentrations
Series: Special Publication (NIST SP)
Report Number: 1158
Published: 4/22/2013
Authors: Kuldeep R Prasad, Anthony Bova, James R Whetstone, Elena Novakovskaia
Abstract: Inverse atmospheric dispersion models are used to provide measurement-based, or ,topdownŠ, estimates of greenhouse gas (GHG) emissions for comparison with input-based, or ,bottom-upŠ, estimates. To minimize uncertainty, inverse estimates require ac ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912537

6. 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

7. 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

8. 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

9. 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

10. 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



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