High-performance jet fuel optimization and uncertainty analysis

On The Hydrodynamics Of A Skiff At Different Crew Positions

10.5957/csys-2013-010 ◽

2013 ◽

Author(s):

Ignazio Maria Viola ◽

Joshua Enlander

Keyword(s):

Uncertainty Analysis ◽

High Performance ◽

Olympic Games ◽

Towing Tank ◽

Lower Resistance ◽

Model Scale ◽

Sailing Boat ◽

Large Vessels

A set of towing tank tests was undertaken on a 1:4-model-scale high-performance small sailing boat, which was a candidate for the 2016 Olympic games. The resistance, sink and trim were measured and uncertainty analysis was completed. The boat was tested for different longitudinal positions of the crew in displacement, transition and fully planning regimes. The resistance measurements in the towing tank were well correlated with established empirical formulations developed for planning hulls. It was found that at low Froude numbers, forward crew positions allow lower resistance and resistance increases significantly for after crew positions, while at higher Froude numbers after positions allow lower resistance, and the resistance is less sensible to the crew position. These findings are in agreement with sailor experience and with measurements performed by other authors on large vessels.

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Production Cost and Carbon Footprint of Biomass-Derived Dimethylcyclooctane as a High Performance Jet Fuel Blendstock

10.26434/chemrxiv.14761002.v1 ◽

2021 ◽

Author(s):

Nawa Raj Baral ◽

Minliang Yang ◽

Benjamin G. Harvey ◽

Blake A Simmons ◽

Aindrila Mukhopadhyay ◽

...

Keyword(s):

Production Cost ◽

High Performance ◽

Jet Fuel ◽

Liquid Fuels ◽

Jet Fuels ◽

Selling Price ◽

Low Carbon ◽

Hydrogenation Catalysts ◽

Raney Nickel Catalyst ◽

Biomass Sorghum

<div> <div> <div> <p>Near-term decarbonization of aviation requires energy-dense, renewable liquid fuels. Biomass- derived 1,4-dimethylcyclooctane (DMCO), a cyclic alkane with a volumetric net heat of combustion up to 9.2% higher than Jet-A, has the potential to serve as a low-carbon, high- performance jet fuel blendstock that may enable paraffinic bio-jet fuels to operate without aromatic compounds. DMCO can be produced from bio-derived isoprenol (3-methyl-3-buten-1- ol) through a multi-step upgrading process. This study presents detailed process configurations for DMCO production to estimate the minimum selling price and life-cycle greenhouse gas (GHG) footprint considering three different hydrogenation catalysts and two bioconversion pathways. The platinum-based catalyst offers the lowest production cost and GHG footprint of $9.0/L-Jet-Aeq and 61.4 gCO2e/MJ, given the current state of technology. However, when the conversion process is optimized, hydrogenation with a Raney nickel catalyst is preferable, resulting in a $1.5/L-Jet-Aeq cost and 18.3 gCO2e/MJ GHG footprint if biomass sorghum is the feedstock. This price point requires dramatic improvements, including 28 metric-ton/ha sorghum yield and 95-98% of the theoretical maximum conversion of biomass-to-sugars, sugars-to-isoprenol, isoprenol-to-isoprene, and isoprene-to-DMCO. Because increased gravimetric energy density of jet fuels translates to reduced aircraft weight, DMCO also has the potential to improve aircraft efficiency, particularly on long-haul flights. </p> </div> </div> </div>

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The Production of Jet Fuel From Alternative Sources

Journal of Engineering for Gas Turbines and Power ◽

10.1115/1.3239959 ◽

1986 ◽

Vol 108 (4) ◽

pp. 641-647 ◽

Cited By ~ 1

Author(s):

H. R. Lander ◽

H. E. Reif

Keyword(s):

United States ◽

High Performance ◽

Chemical Structure ◽

Oil Shale ◽

Rocky Mountain ◽

Jet Fuel ◽

Synthetic Fuels ◽

Potential Source ◽

Alternative Sources ◽

Exciting Possibility

The most significant potential source of aviation gas turbine fuels in the continental United States is the western oil shale located in the Rocky Mountain States of Colorado, Utah, and Wyoming. Nearly 600 billion barrels of recoverable oil is located in this area. This paper discusses the availability of oil shale and reviews the recovery, upgrading and refining schemes necessary to produce fuel which can be used in present-day aircraft. Other synthetic fuels are discussed with regard to the processing necessary to produce suitable fuels for today’s high-performance aircraft. Heavy oil and tar sand bitumen are likely to be refined in the next decade. Methods for producing suitable fuels are discussed. The chemical structure of these sources, which is basically cyclic, leads to the potential for heavier fuels with more energy per given volume and therefore longer range for certain aircraft. This exciting possibility is reviewed.

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The Production of Jet Fuel From Alternate Sources

Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels ◽

10.1115/85-igt-67 ◽

1985 ◽

Author(s):

Herbert R. Lander ◽

Henry E. Reif

Keyword(s):

United States ◽

United States Of America ◽

High Performance ◽

Chemical Structure ◽

Oil Shale ◽

Rocky Mountain ◽

Jet Fuel ◽

Synthetic Fuels ◽

Potential Source ◽

Exciting Possibility

The most significant potential source of aviation gas turbine fuels in the continental United States of America is the western oil shale located in the Rocky Mountain States of Colorado, Utah, and Wyoming. Nearly 600 billion barrels of recoverable oil is located in this area. This paper discusses the availability of oil shale and reviews the recovery, upgrading and refining schemes necessary to produce fuel which can be used in present-day aircraft. Other synthetic fuels are discussed with regard to the processing necessary to produce suitable fuels for today’s high performance aircraft. Heavy oil and tar sand bitumen are likely to be refined in the next decade. Methods for producing suitable fuels are discussed. The chemical structure of these sources, which is basically cyclic, leads to the potential of heavier fuels with more energy per given volume and therefore longer range for certain aircraft. This exciting possibility is reviewed.

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Jet Fuel Thermal Stability - Report of Group on High-Temperature Stability of Fuels for High-Performance Aircraft, Aviation Fuel, Lubricant, and Equipment Research Committee of the Coordinating Research Council, Inc.

10.4271/620304 ◽

1962 ◽

Author(s):

C. T. Stone

Keyword(s):

Thermal Stability ◽

High Temperature ◽

High Performance ◽

Research Council ◽

Temperature Stability ◽

Jet Fuel ◽

Aviation Fuel ◽

High Temperature Stability ◽

Research Committee ◽

High Performance Aircraft

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Integrating the ASME Performance Test Code 19.1 Approach of Calculating Measurement Uncertainty With the Regression Based Test Methods for Reporting Photovoltaic System Performance

ASME 2015 Power Conference ◽

10.1115/power2015-49521 ◽

2015 ◽

Author(s):

Cecil Lawrence

Keyword(s):

Uncertainty Analysis ◽

Measurement Uncertainty ◽

High Performance ◽

Power Plants ◽

Performance Test ◽

Performance Testing ◽

Test Methods ◽

Photovoltaic System ◽

Section 8 ◽

Rating Method

Solar Photovoltaic (PV) power plants have high performance test measurement uncertainty due to instrument precision limitations and spatial variations associated with irradiance and soiling measurement. Accurate prediction of the measurement uncertainty is critical for both the Owner and the EPC contractor to appropriately manage their risk. While there are several methods for testing the performance of PV plants, regression analysis based methods, like the PVUSA Method and the PPI rating method, are widely used. However, there is limited guidance on uncertainty analysis when using these methods. Most utilities and power producers have familiarity with the ASME PTC 19.1 code for measurement uncertainty analysis and often require the guidelines of PTC 19.1 be followed for evaluating the measurement uncertainty for the performance testing of PV plants. However there is lack of published literature on using the ASME PTC 19.1 approach with regression based PV performance test methods. This paper expands on the limited guidance provided by ASME PTC 19.1 Section 8-6 for regression based analysis and presents a detailed approach of calculating measurement uncertainty for PV power plants when using regression based testing methods. The paper also presents the importance of obtaining a good regression fit to the measurement uncertainty and elaborates on methods to reduce the measurement uncertainty. The overall approach discussed in this paper was applied on performance testing of two large utility-scale PV plants.

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Combustion of Synthetic Jet Fuel: Chemical Kinetic Modeling and Uncertainty Analysis

Journal of Propulsion and Power ◽

10.2514/1.b36217 ◽

2017 ◽

Vol 33 (2) ◽

pp. 350-359 ◽

Cited By ~ 2

Author(s):

Andrew L. Wagner ◽

Paul E. Yelvington ◽

Jianghuai Cai ◽

William H. Green

Keyword(s):

Uncertainty Analysis ◽

Kinetic Modeling ◽

Chemical Kinetic ◽

Jet Fuel ◽

Synthetic Jet

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Effects of Liquids on Physicochemical Properties of Fluorosilicone Rubber

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.717.9 ◽

2016 ◽

Vol 717 ◽

pp. 9-13

Author(s):

Jun Mei Cheng ◽

Shu Gao Zhao

Keyword(s):

Mechanical Properties ◽

Physicochemical Properties ◽

High Performance ◽

Chemical Resistance ◽

Jet Fuel ◽

Swelling Properties ◽

Compression Set ◽

Sealing Materials ◽

Fluorosilicone Rubber

An attempt has been undertaken to assess the effect of RP-3 jet fuel and 4109 lubricant on the mechanical, swelling properties and compression set of two kinds of fluorosilicone rubber (FSR) which are self-made and provided by Dow corning, and are marked as FSR A and FSR B respectively. Results showed that FSR B has better chemical resistance and comparable mechanical properties with that of FSR A, and are promising candidates for the development of high performance sealing materials.

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