Dimensions Worldwide to your list of breakthrough journals. Here are excerpts from a latest article describing Aramco’s research into an idea labeled Octane-on-Demand /p>
Dimensions International, Summer season 2017
Aramco Fuel Analysis Middle presents Octane-on-Demand Automobile
by Niall A. Higgins
[Excerpts from the article]
Saudi Aramco’s commitment to technological innovation was in full view earlier this year, when the Aramco Fuel Analysis Center (AFRC) in Paris introduced the most recent development in its power environment friendly, Octane-on-Demand (OoD) demonstration vehicle. The Octane-on-Demand demonstration vehicle is based on a production Peugeot 308 passenger vehicle. The AFRC team added a second gas tank and gasoline delivery system to the car to accommodate the twin gas setup.
AFRC, which has a collaborative research agreement with the prestigious French energy research institute IFP Energies nouvelles (IFPEN), has been working on the mission since July 2013.
“The objective of this undertaking was to reveal that advanced engine gas applied sciences can cut back the carbon dioxide (CO2) emissions of conventional passenger automobiles,stated AFRC director, Pierre Olivier Calendini.
The OoD concept is a synergistic engine gasoline know-how that uses two fuels with totally different octane high quality to match the specific requirements of the engine at totally different working situations. An oil-derived fuel is used for engine starting and most urban driving, whereas a small quantity of the high octane gasoline is delivered to the engine beneath more extreme driving circumstances to suppress engine “knock.This mixture allows the engine to function extra effectively than it could in any other case do using only the oil-derived gasoline. The know-how has been fantastic-tuned during the last 4 years in a joint effort between the analysis teams in Paris and Dhahran Saudi Aramco’s headquarters in Saudi Arabia.
Saudi Aramco research scientist Kai Morganti prepares the combustion laboratory in Dhahran to evaluate totally different fuels for the Octane-on-Demand concept.
Ammar A. Al-Nahwi, manager at the Research and Development Heart (R&DC) in Dhahran said, “Octane-on- Demand is a chance to enhance gas effectivity by making the simplest use of the out there gas octane high quality. This might even have implications for the refining trade, since it may cut back the quantity of power required to manufacture fuels sooner or later.br> During the last 4 years, in-home engine testing in Dhahran and Paris has evaluated a broad range of fuels and engine combos. This has included four completely different oil-derived fuels together with five totally different excessive octane fuels (MTBE, ETBE, methanol, anhydrous ethanol, and hydrous ethanol).
Saudi Aramco’s researchers in Paris and Dhahran are presently engaged on the following part of the venture, which involves growing an onboard fuel separation system. This system can be capable of producing the two fuels onboard the vehicle using today’s market fuels.
TIP: Search the USPTO (http://patft.uspto.gov/netahtml/PTO/search-bool.html) patent database. Your search may require some creativity. As you’ll have noticed, the direct strategy doesn’t always work. Here is a outcome using the next search string /p>
USPTO Patent Search String: AN/nouvelles AND ABST/octane
Methodology of controlling operation of an engine that may use a single-gas of a multi-gas combustion mode
The present invention pertains to a way of controlling operation of an internal-combustion engine using a single-gas or a multi-gas combustion mode with at the least one fuel sort comprising a excessive octane number and a low vitality density and at the very least another gasoline sort comprising a low octane quantity and a excessive vitality density, a way whereby the power required for the engine to function in multi-fuel mode is provided by a combination of two gasoline sorts. In accordance with the invention, for engine operation in multi-gasoline mode, the method consists in: figuring out the set values of the overall energy density and of the general octane quantity resulting from the combination of fuels, feeding into the combustion chamber said fuels with a proportion meant to reach the set values, evaluating the actual values of the general energy density and/or of the overall octane number of said fuels, in case of a distinction between the set values and the actual values, in compensating for this distinction by varying the proportion of no less than one of the fuels so as to acquire the set power density and/or octane quantity.
Monnier; Gaetan (Aigremont, FR)
TIP: Google®: octane on demand
One outcome /h2>
Octane-on-Demand as an Enabler for Highly Environment friendly Spark Ignition Engines and Greenhouse Gasoline Emissions Improvement
Paper #: 2015-01-1264
Chang, J., Viollet, Y., Alzubail, A., Abdul-Manan, A. et al., “Octane-on-Demand as an Enabler for Highly Environment friendly Spark Ignition Engines and Greenhouse Gas Emissions Enchancment,” SAE Technical Paper 2015-01-1264, 2015, https://doi.org/10.4271/2015-01-1264.
Junseok Chang, Yoann Viollet, Abdullah Alzubail, Amir Faizal Naidu Abdul-Manan, Abdullah Al Arfaj
Affiliated: Saudi Aramco
This paper explores the potential for lowering transport-associated greenhouse fuel (GHG) emissions by introducing excessive-effectivity spark-ignition engines with a twin-gasoline injection system to customize the octane of the fuels based mostly on real-time engine requirements. It’s assumed that a car was equipped with two gasoline tanks and two injection methods; one port gasoline injection and one direct injection line individually. Each tank carried low octane and high octane gasoline in order that actual-time octane mixing was occurred within the combustion chamber when needed (Octane On-Demand: OOD). A refinery naphtha was selected for low octane gasoline (RON=61), due to its similarity to gasoline properties but a less processed, easier to provide without altering a refinery configuration. Three oxygenates were used for top octane knock-resistant fuels in a direct injection line: methanol, MTBE, and ETBE. Single cylinder engine assessments had been conducted to acquire a selected gas consumption map and an optimum octane map in each dual gasoline mixture. Tank-to-wheel vehicle fuel consumption was estimated using a vehicle simulation tool beneath four driving cycles (FTP city and freeway, WLTP, and US06), to cowl a wide range of driving circumstances. For the vehicle with a naturally aspirated 4-cylinder engine, whole twin fuel consumption have been improved over baseline gasoline single gas up to four% reduction in mass with all driving cycles aside from US06. More importantly, only lower than 15% oxygenate was required for these three cycles.
If you enjoyed this information and you would like to receive additional info relating to Fixed tube plate heat exchanger kindly see our webpage.