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Behavior of Oil

Examination of Physical and Chemical Characteristics of Dielectric Fluids

The project consists of the chemical analysis and evaluation of the physical and behavioral properties of representative samples of three dielectric fluids. The fluids include synthetic ester based, natural ester based, and petroleum/mineral oil based fluids. An additional sample of a used/spent dielectric fluids will also be analyzed, if able to be located and acquired. This analysis will be used by spill response personnel and will help augment the NOAA Oil database.

Study of Weathering and Photooxidation of 5 MPRI Oils to Create Stable Water-in-Oil Emulsions at Ohmsett for BSEE

BSEE is participating in a lab protocol study investigating the development of water-in-oil emulsions (emulsions) using a common set of oils and predefined conditions to compare the variability of emulsion properties based on lab protocols. Ultimately, the results will inform numerical models. BSEE is working with Applied Research Associates at its Ohmsett facility to further its capability to produce customizable, repeatable emulsions at the lab-, drum-, and tank-scales. BSEE's Ohmsett protocol involves characterizing the stability of the emulsions based on particle size analysis.

Ignition, Combustion and Atomizatin of Emulsions during in situ Burning

The purpose of Sweet Spot in Burning Emulsions project is to study how emulsions break and boil during in situ burning (ISB), which is a multi-physics process that includes radiative and convective heat transfer to the slick, any mechanical work that is driving emulsion formation, hydrocarbon and water evaporation, and internal heat transfer as the water either flash evaporates or separates and sinks. Previous work under OSRR 1085 resulted in a potential trend indicating an increase in burning efficiency in emulsions with 20% water content.

Test Effort: Analysis of the Efficacy of Conventional Sorbent Materials Exposed to Selected Categories of Dielectric Fluids

This new project will test Type I sorbents efficacy when exposed to three - (3) categories of Dielectric fluids. These will include natural ester, synthetic ester, and mineral oil (hydrocarbon) based fluids. The work will be performed at Ohmsett with testing completed to BSEE Oil Spill Research and Response (OSRR) project specifications. It will compare the findings to a selected control conventional oil product and will provide performance data to stakeholders to facilitate decision making for oil spill preparedness and response operations. 

Surface Water Droplet Size Distribution (DSD) Instruments: Laboratory Validation, Tank Deployment, and Field Evaluation

BSEE Response Research Branch is undertaking the DSD Instrument Evaluation project to better understand how surface water dispersant monitoring, as specified by the NCP SubPart J Monitoring Rule, can be practically implemented with existing technology, with specific emphasis on detection of oil and dispersed oil droplets in depths of 1 to 5 meters. The three main objectives of this project are:

The Web based General NOAA Oil Modeling Environment (WebGNOME) Anywhere

The current NOAA's WebGNOME platform displays the modeling bounds with available operational forecast models for selected areas. These areas are typically in shoreline areas. This project will expand the availability of forecast models to cover offshore areas where BSEE's regulated facilities reside. This added feature will enable the ability to run WebGNOME more easily, using available operational forecast models.

Shoreline Oil Spill Response Gaps and Opportunities Workshop

A workshop is being developed to discuss impacts of oil spills on shorelines. The workshop will bring together Subject Matter Experts (SME) from the spill response community, academia, and industry for the exchange of ideas and the exploration of the current state of the science of oil spill research. Traditional oil and gas exploration and production (E&P) as well as renewable energy (RE) will be explored. The results of this workshop will help guide BSEE Oil Spill Response Research (OSRR) to develop relevant Research and Technologies (R&T) in fulfillment of BSEE's mission.

Using Ecology-on-a-Chip (eChip) to Examine Degradation and Microbial Colonization of Rising Oil and Dispersed Oil Droplets

The goal of this project is to use a microfluidic platform (known as eChip) to assess key degradation hypotheses related to dissolution and microbial degradation of untreated and dispersed oil droplets. The objectives are two-fold:
(1) Determine if the degradation rate of rising oil microdroplets (through dissolution and microbial degradation) can be quantified using the eChip by measuring degradation on both untreated and dispersed oil during 14-day biodegradation studies using multiple oils; and 

Determine the Relative Efficiency of Various Surface Dispersant Delivery Techniques/Systems

This project developed a technology selection approach to aid in the decision making process for determining the relative effectiveness of dispersant delivery techniques/systems based on various spill characteristics and delivery system capabilities. Parameters considered include spill characteristics and properties; evaporation processes; spray platforms, weather patters and effects; environmental restrictions; and dispersant characteristics. 

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