Multicomponent Droplet Evaporation using Group Contribution Methods with Application to Fuel Blends

Govindaraju, Pavan Bharadwaj; Wang, Qing; Ihme, Matthias; United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment; Stanford University

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Multicomponent Droplet Evaporation using Group Contribution Methods with Application to Fuel Blends

2015-05-01
By Govindaraju, Pavan Bharadwaj ; Wang, Qing ; Ihme, Matthias

[PDF-903.53 KB]

English

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Creators:

Govindaraju, Pavan Bharadwaj ; Wang, Qing ; Ihme, Matthias

Govindaraju, Pavan Bharadwaj ; Wang, Qing ; Ihme, Matthias Less -
Corporate Creators:

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; Stanford University

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; Stanford University Less -
Corporate Contributors:

United States. Department of Transportation. Federal Aviation Administration. Office of Environment and Energy
Subject/TRT Terms:

[+]

ASCENT Aviation Fuels Evaporation Fuel Composition Fuel Mixtures Group Contribution Multicomponent UNIFAC
Resource Type:

Proceedings
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; Stanford University

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; Stanford University Less -
Abstract:

Current studies of multicomponent droplet evaporation do not successfully capture the evaporation characteristics of fuel blends. Reasons for this are the usage of averaged properties of fuel-components and the lack of data for physical properties of fuel components -- especially for cycloparaffins and substituted aromatics which form a significant portion of the mixture. We present an approach based solely on functional groups that are present in the components of the fuel. In the description of the multicomponent evaporation, we incorporate a non-ideal evaporation formulation while still providing computationally efficient calculations. This allows the evaluation of evaporation and combustion characteristics of virtually any fuel blend based only on the intrinsic primary and secondary functional groups. Studies of various fuel blends and surrogates, including Jet-A, JP-8 and gasoline are performed and results are compared against experimental data. Due to the generalized nature of this approach, the proposed method provides an effective alternative for existing computational techniques dedicated to multicomponent droplet evaporation; further work involving the utilization of this approach in various combustion codes can be performed.
Format:

PDF
Funding:

13-C-AJFE-SU-007
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:c720234becfe27da1316e7e35f82434780d679758064ead7dbd0528dfbc3ff96
Download URL:

https://rosap.ntl.bts.gov/view/dot/50414/dot_50414_DS1.pdf
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Multicomponent Droplet Evaporation using Group Contribution Methods with Application to Fuel Blends

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