Search
Skip to Search Results- 1Ahsan, Hamza
- 1Chen, Kerry
- 1Dickau, Matthew A
- 1Falahati, Farjad
- 1Ferraz Albani, Luis A
- 1Graves, Brian M
-
Measurements of Methane Pyrolysis in a Constant Volume Batch Reactor at High Temperatures and Pressures
DownloadFall 2021
Methane pyrolysis is a process used to generate hydrogen gas and carbon black without the creation of carbon dioxide. Methane pyrolysis in a constant volume batch reactor was investigated at temperatures of 892 K, 1093 K, and 1292 K with reaction times of 15 s, 30 s, 60 s, 180 s, and 300 s with...
-
Fall 2021
Flaring has been a routine practice in the petroleum and petrochemical industry and flaring levels have remained virtually constant over the past ten years despite the efforts to reduce or eliminate the activity. Injecting an inert fluid into the combustion area in order to induce complete...
-
Spring 2020
To reduce CO2 emissions, the aviation industry has begun looking into alternative biofuels as a replacement for conventional fossil-fuel based jet fuel. Although biofuels may reduce aircraft CO2 emissions, it is also important to consider how other emissions are effected such as particle...
-
Spring 2020
In this work, particles emissions from flares with entrained droplets were characterized during the operations of oil/gas wells. It is a likely scenario that droplets of flowback fluids or produced water entrain in the flare gas and burn in an open flame. Major ions found in these fluids are...
-
Experimental Study on the Carbon Conversion Efficiency and Emission Indices of a Lab-Scale Air-Assisted Flare
DownloadSpring 2019
A lab-scale coflow burner was used to investigate the effect of air assist on the carbon conversion efficiency (CCE) and emission indices (EIs) of industrial flare operations in the upstream and downstream energy sectors of the oil and gas industry. A 25.4 mm diameter burner was constructed of...
-
Spring 2019
A general-purpose aerosol conditioning device called the Universal Aerosol Conditioner has been designed and tested. The device can condition the aerosol in multiple ways. It can dilute the aerosol with particle-free air, dilute only the gas-phase component of the aerosol without diluting the...
-
Spring 2018
The centrifugal particle mass analyzer (CPMA)-electrometer system has been proposed as an alternative method of calibration for devices that measure black carbon. This system is proposed to replace the current calibration standard of NIOSH 5040. The repeatability and intermediate precision of the...
-
Experimental study of methane decarbonization to produce hydrogen using a laminar premixed flame
DownloadSpring 2018
Hydrogen is a promising source of energy with various applications. The most common method of producing hydrogen is steam reforming of methane; however, thermal cracking of methane can be used alternatively for hydrogen production with less CO2 emissions. In this study, thermal cracking of...
-
Experimental Investigation of the Effect of NaCl Additive on the Formation and Evolution of Particles in a Diffusion Flame
DownloadSpring 2017
Formation and evolution of nano-particles in a laminar co-flow methane diffusion flame were investigated under two conditions: a pure methane flame and a methane flame doped with NaCl particles. Samples of nano-particles from different heights above the burner were extracted by a probe sampling...
-
Improving Measurements of the Mixing State and Mass Concentration of Particulate Emissions from Aircraft Engines
DownloadSpring 2016
This research is focused towards improving techniques used to measure particulate emissions from aircraft engines, on two fronts: first, to characterize and quantify the mixing state of particulate emissions; and second, to calibrate black carbon mass instruments with a traceable mass...