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| Title | Date | Subject | Description | ||
|---|---|---|---|---|---|
| 76 |
 |
Data informed multipoint ground flare evaluation using measurement and theory | This paper will explore the comparison of experimental (PFTIR) and simulation data obtained from assisted multipoint ground flares operating at high turndown. The flare assist is intended to encourage air entrainment for best combustion efficiency as well as reduce visible smoke. Operational envelop... | ||
| 77 |
 |
Numberical and experimental investigations on an innovative, regeneratively heated radiant tube with compact dimensions | 2019 | heat treatment; radiant tube; regenerative heating; staged combustion | The presented, public funded research cooperation project of the Department for Industrial Furnaces and Heat Engineering at the RWTH Aachen University and the WS Wärmeprozesstechnik GmbH main aim is the development of an innovative, regeneratively heated radiant tube with compact dimensions. The ma... |
| 78 |
 |
EC sensor: flame safety and fuel savings integrated into one system | Safety is the most important consideration in the operation of any combustion system. To that effect, operators of combustion equipment monitor the presence of a flame in various ways. The most common flame monitoring sensors include flame rods, infrared scanners and ultra-violet scanners. Although ... | ||
| 79 |
 |
Predicting Ash Deposition During Oxy-Coal Combustion | An ability to predict and control ash deposition are crucial to effective heat extraction from pulverized fuel (pf) units. Computation Fluid Dynamic (CFD) simulations in conjunction with fuel characterization data have been used in recent years to develop sub-models to predict slagging propensities ... | ||
| 80 |
 |
PERF Project 2014-10 Results and Analysis of the VISR Method for Remote Flare Monitoring | 2019 | The Petroleum Environmental Research Forum (PERF) is a non-profit organization created to provide a stimulus to and a forum for the collection, exchange, and analysis of research information relating to the development of technology for health, environment and safety; waste reduction; and system sec... | |
| 81 |
 |
Neutron imaging of heterogeneous solid fuels under heating | 2019 | Solid-fuel pyrolysis, gasification, and combustion continue to play an important role in the industrial and utility sectors. Behavior of heterogeneous fuels such as biomass (e.g., wood and grasses), municipal solid waste (MSW), and coal is less understood on the micro than the macro scales, particul... | |
| 82 |
 |
Numerical investigations of tailored heating of a round bar for partial hot forming using Direct Flame Impingement (DFI) | 2019 | Tailored Heating; Direct Flame Impingement (DFI); Massive Forming | Hot massive forming is performed using uniform heating of the materials to avoid wrinkle formation. A new approach, which is investigated within a research project, is presented in this paper, using a tailored heating with different temperature zones to conduct hot massive forming and semi-hot formi... |
| 83 |
 |
Lessons learned from transient analysis of combustion equipment in the process industries | During gas flare operation, hydrocarbon gas is fed through a flare stack and ignited by a pilot. During the ignition process, flares generally produce significant amounts of smoke (see Figure 1) since enough mixing energy is not available to entrain surrounding air to completely burn the flare gas. ... | ||
| 84 |
 |
An air-assisted flare for biomass gasifiers | 2019 | Computational fluid dynamics (CFD) was used to simulate the combustion practice of the gases that produce from gasification process. In this simulation a new air-assisted flare design which capable to handle low flowrates of these gases with high performance was used. The simulated cases were perfor... | |
| 85 |
 |
Comparison of laboratory and field steamfloods in tar sand | In situ recovery technologies for tar sand and heavy oil are simulated at the Western Research Institute to prepare for pilot tests and commercial operations. Wide ranges of process parameters are tested in one-dimensional reactor tubes in which the tar sand or heavy oil is uniformly reconstituted t... | ||
| 86 |
 |
A comprehensive parametric investigation of efficient soot modeling using high fidelity method of moments | PSD; PAH; nucleation; Soot; Radiation; Method of moment | Soot is one of the most regulated pollutants in all the combustion applications like automotive engines, aviation engines, and industrial furnaces. Modeling soot formation is quite challenging due to the complex processes involved in the formation of the soot particulates. Empirical formulation base... | |
| 87 |
 |
Design Considerations for Carbon-Free Combustion | Decarbonization; Hydrogen Combustion; Carbon Dioxide; Carbon-Free Combustion; CO2 Emissions; Greenhouse Gas Emissions | Combustion of a hydrocarbon produces water and carbon dioxide. As consensus continues to build around the contributions of carbon in global client change, jurisdictions, both internationally as well as domestically, are working towards limiting formation of carbon dioxide. One way to work toward eff... | |
| 88 |
 |
Flare combustion index in lieu of combustion zone net heating value | 2020 | Flares are commonly used at industrial facilities (e.g., oil and gas extraction and production sites, gas processing plants, oil refineries, and petrochemical manufacturing plants) to safely dispose of process waste gases. Waste gases may be produced due to process upset or because they are unrecove... | |
| 89 |
 |
Advanced emissions monitoring from elevated gas flares for early warning system and optimization of plant operations | 2019 | Real-time monitoring of emissions from elevated gas flares is very difficult and expensive due to the relative location of the source and the cost to collect samples for analysis. Elevated Analytics has developed and applied a UAV based sensor system to accomplish this task. Besides providing a snap... | |
| 90 |
 |
3D CFD model development and validation for once-through steam generator (OTSG): coupling combustion, heat transfer | The current research studies the coupled combustion inside the furnace and the steam generation inside the radiant and convection tubes through a typical Once-Through Steam Generator (OTSG). A 3D CFD model coupling combustion and two-phase flow was developed to model the entire system of OTSG. Once ... | ||
| 91 |
 |
ClearSign eye™: pilot sensor | Clearsign Technologies Corp. has developed and tested a novel, capacitive based flame sensor for use on existing burners in a variety of industrial combustion applications including process burners, boiler burners and flares. ClearSign has developed two probe designs. The first probe design is compa... | ||
| 92 |
 |
Final report on 1989 update of the computerized geologic model to include the 1988 drill hole data Sunnyside Tar Sands project Sunnyside, Utah | 1989-07 | computerized geologic model; 1988 drill hole data; Sunnyside Tar Sands project; geologic resources | In May 1989, Rozelle Consulting Services (RCS) was requested by Amoco Corporation (Amoco) to submit a proposed scope of work for updating the 1987 computerized geologic model of the Sunnyside Tar Sands deposit (Figure 1-1 and 1-2) to include the drill hole data that was completed in 1988 by Amoco. T... |
| 93 |
 |
Atomistic modeling of oil shale kerogens and asphaltene along with their interactions with the inorganic mineral matrix | 2011-04 | atomistic modeling; oil shale kerogens and asphaltene; inorganic mineral matrix | The goal of this project is to obtain and validate three dimensional atomistic models for the organic matter in both oil shales and oil sands. In the case of oil shales the modeling was completed for kerogen, the insoluble portion of the organic matter; for oil sands it was for asphaltenes, a class ... |
| 94 |
 |
Investigative approach to address thermoacoustic vibration in gas-fired heaters and boilers | 2022 | Industrial gas-fired boilers, furnaces and heaters occasionally encounter low-frequency vibrations generated by dynamic feedback between the burner (or burners) and acoustic modes in adjacent cavities in the main combustion chamber or ductwork. Feedback occurs when pressure pulses associated with ac... | |
| 95 |
 |
Model-based design and full-scale demonstration of an oxy-coal firing system with undiluted oxygen and minimal flue gas recycle | The future use of coal as a fuel for industrial applications depends on economical technologies being made available to capture and store the CO2 emitted as a product of the combustion process. One such technology is oxy-combustion, which involves burning of the fuel using pure oxygen as the oxidant... | ||
| 96 |
 |
A volume of fluid approach to model injection of highly viscous fluids | 2022 | Despite the transition to renewable energy sources, fossil fuels will still play a significant role in satisfying the world's energy needs shortly. In addition, the rise in the demand for light distillates and the depletion of light crude oil reservoirs are shifting the interest toward the conversio... | |
| 97 |
 |
A chemical kinetics approach for heavy fuel oils gasification modelling | 2022 | surrogate; HFOs; pyrolysis; chemical kinetics modeling; Gassification | Refinery oil residue commonly considered the bottom of the barrel, can no longer be a waste. The increasing energy demand and the constant depletion of light oil supply make it crucial to find a suitable way to convert residual oils into valuable fuels. The gasification process represents a possible... |
| 98 |
 |
A bayesian decision-theory-based digital twin for methane flares | 2022 | Ground flares operate in a high-turndown, standby configuration for a significant portion of their operating life, being fully utilized only under process upset scenarios or emergencies. The low-momentum flow results in poor fuel-air mixing near the flare tip, leading to decreased overall combustion... | |
| 99 |
 |
Texas progress in flaring - 6 years of emissions data 2015 through 2020 | 2020 | Following nearly a decade of flare performance inquiry, modeling, and testing in the early 2000s, new United States Environmental Protection Agency (USEPA) flare regulations have been enacted for the petroleum refinery sector in 2012 and 2015. The stated objective of these new regulations was th... | |
| 100 |
 |
Analysis of burner operation inside an enclosed ground flare | 2022 | Thermo-Acoustic Coupling; Enclosed Flare; LES CFD Model; Noise; Premixed Burner | An industrial enclosed ground flare used as part of a large refinery project has been analyzed to assess combustion stability and performance under low and high flow conditions. This flare includes a large combustion chamber directly above the burner deck with Low Flow (LF) burners that fire up to 9... |