Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ PHMSA/Sandia IAA: LNG Jet Fire Modeling/Testing https://rip.trb.org/View/2093141 Tue, 03 Jan 2023 13:53:18 GMT https://rip.trb.org/View/2093141 Aircraft Jet Blast Estimation Tool https://rip.trb.org/View/1645877 Mon, 12 Aug 2019 20:23:51 GMT https://rip.trb.org/View/1645877 Airborne Collision Severity Evaluation - Engine Ingestion https://rip.trb.org/View/1562138 Mon, 08 Oct 2018 13:53:23 GMT https://rip.trb.org/View/1562138 Engine to Engine Variability and Derivation of Characteristic nvPM Emissions https://rip.trb.org/View/1549365 Fri, 21 Sep 2018 18:22:45 GMT https://rip.trb.org/View/1549365 Analysis to Support the Development of an Engine nvPM Emissions Standard https://rip.trb.org/View/1549354 26.7N.]]> Fri, 21 Sep 2018 18:22:22 GMT https://rip.trb.org/View/1549354 ASCENT Project 48 - Analysis to Support the Development of an Engine nvPM Emissions Standards https://rip.trb.org/View/1507757 Tue, 10 Apr 2018 13:45:28 GMT https://rip.trb.org/View/1507757 Project 32 - End-Around Taxiway (EAT) Optimization https://rip.trb.org/View/1364635 Tue, 11 Aug 2015 01:00:08 GMT https://rip.trb.org/View/1364635 Non-linear Finite Element Modeling and Material Model Development for Aircraft Engine Failure Analysis https://rip.trb.org/View/1360975 Wed, 15 Jul 2015 01:01:09 GMT https://rip.trb.org/View/1360975