| U |
Explanation |
Location/Reference/Context as appropriate |
| -U |
suffix indicating U-group rubbers |
polymer chain contains C, N and O (eg AU and EU) |
| UACS |
Unidirectionally Arrayed Chopped Strands |
|
| UAM |
Ultrasonic Additive Manufacturing |
|
| UAM |
Urban Air Mobility | Specifically eVTOL |
| UAMMI |
Utah Advanced Materials and Manufacturing Institute |
|
| UAP |
Unidentified Anomalous Phenomena (formerly UFO) | |
| UATR |
Universal Attenuated Total Reflection |
|
| UAS |
Unmanned Air(craft) System(s) |
|
| UAV |
Unmanned Aerial Vehicle |
|
| UAVSA |
Unmanned Aerial Vehicle Systems Association |
|
| UB |
Upper Bound |
|
| UBA | Umwelt BundesAmt |
German Federal Environment Agency |
| UC | Ultrasonic Consolidation (of metal foils) | |
| UCS | Union of Concerned Scientists | |
| UCST | Upper Critical Solution Temperature | |
| UCTT | Upper Critical Transition Temperature | |
| UD | UniDirectional | |
| UDIL | University Directors of Industrial Liason | |
| UDLA | University Doctoral Landscape Awards | |
| UDM | Ultrasonic Dual Mixing | |
| UEDIC | University's Equality, Diversity and Inclusion Committee |
|
| UEF |
Unified Emission Factors | American Composites Manufacturers Association |
| UERF |
Unconstrained Engine Rotor Failure | |
| UEWS | Ultimate Elastic Wall Stress | |
| UF | Urea-Formaldehyde Resin | |
| UFC | Universities Funding Council | |
| UFG | Ultra Fine Grain | |
| UFO | Unidentifeid Flying Object | |
| UFRE | quasi-Unidirectional Flax fibre Reinforced Epoxy |
|
| U-FREI | Unbonded Fibre-Reinforced Elastomeric Isolators |
|
| UGC | Underground Coal Gasification | |
| UGV | Unmanned Ground Vehicles | |
| UGW | Ultrasonic Guided Waves | |
| UHBR | Ultra High Bypass Ratio turbofan engine | |
| UHM | Ultra High Modulus | |
| UHMWPE | Ultra High Molecular Weight Poly Ethylene |
|
| UHNWI | Ultra High Net Worth Individuals | |
| UHPC | Ultra-High Performance Concrete | |
| UHPCC | Ultra-High Performance Cementitious Composites |
|
| UHPE | Ultra High Propulsive Efficiency | |
| UHPFRC | Ultra-High Performance Fibre-Reinforced Concrete |
|
| UIAA | Union Internationale des Associations d'Alpinisme |
International Climbing and Mountaineering Federation |
| UIM |
Union Internationale Motonautique |
|
| UIRD |
University-Industry Relations Database |
European Space Agency |
| UK |
United Kingdom |
|
| UKAT |
UK Advising and Tutoring Association |
|
| UKCDR |
UK Collaborative on Reseach Development |
|
| UKCME |
UK Centre for Materials Education |
A Subject Centre of the Higher Education
Academy |
| UKCPN |
UK Circular Plastics Network |
|
| UKCPVS |
UK Cereal Pathogen Virulence Survey | |
| UKERC |
UK Energy Research Centre |
NERC initiative |
| UK NEST |
United Kingdom Naval Engineering Science and Technology (Forum) |
|
| UKNQTP |
UK National Quantum Technologies Programme |
|
| UKRI |
UK Research and Innovation |
UKRI brings together 7 Research Councils, Innovate UK and a new organisation, Research England |
| UKRPIF |
UK Research Partnership Investment Fund |
|
| UK-SPEC |
UK Standards for Professional Engineering Competence |
Engineering Council UK |
| UKTI |
United Kingdom Trade and Investment |
|
| UL |
Underwriters Laboratory |
|
| UL |
Upper Limit |
|
| ULC |
Ultimate Load Capability |
|
| ULCC |
Ultra-Lightweight Cement Composites |
|
| ULCNT |
Ultra Long Carbon NanoTubes |
|
| ULCNTB |
Ultra Long Carbon NanoTube Bundles |
|
| ULEV |
Ultra Low Emissions Vehicles |
|
| ULEZ |
Ultra Low Emissions Zone |
|
| ULFAM |
Ultra Large Format Additive Manufacture |
|
| ULR |
Ultimate Load Requirement |
|
| ULR |
Ultra-Long Range |
Airbus A350XWB capable of 9700 nautical miles |
| Ultem |
Poly Ether Imide |
GE Plastics |
| ULTRAN |
Ultra-Lightweight Transmission & Driveline |
|
| ULO |
Urban Land Occupation |
|
| ULOP |
Urban Land Occupation Potential |
|
| UVLWT |
Unconstrained Vector LayerWise Theory |
|
| UMARI |
University of Manchester Aerospace Research Institute |
|
| UMAT |
User-defined material | |
| UMM |
Universal Modular Mast |
|
| UMV |
Unmanned Marine Vehicles |
|
| UN |
United Nations |
|
| UNCHE |
United Nations Conference on the Human Environment |
|
| UNCTAD |
United Nattions Conference on Trade And Development |
|
| UNDEX |
UNDerwater EXplosion |
|
| UNDP |
United Nations Development Program |
|
| UNEP |
United Nations Environment Program |
|
| Unets |
neural networks for image segmentation |
|
| UNFCCC |
UN Framework Convention on Climate Change |
|
| UNPHB | Unmodified PHB | |
| UNPLLA | Unmodified PLLA | |
| UNSC | United Nations Security Council | |
| UP | Uncertainty Propagation | |
| UP | Unsaturated Polyester | |
| UPE | Ultrasonic Pulse-Echo | |
| UPE | Unsaturated PolyEster | |
| UPG | United People Global | |
| UQ&M |
Uncertainty Quantification and Management | |
| URANS |
Unsteady Reynolds-averaged Navier-Stokes |
|
| US |
Ultrasonic or Ultrasound |
|
| USA |
United States of America |
|
| USCG |
United States Coast Guard |
|
| USD |
United States Dollar |
|
| USEtox |
LCA model developed by UNEP and SETAC within the Life Cycle Initiative |
|
| USL |
Upper Specification Limit |
|
| USN |
United States Navy |
|
| USO |
Universal Service Obligation |
|
| USS |
UltraSound Spectoscopy |
Industrial Tomography Systems plc |
| USV |
Unmanned Surface Vehicles |
|
| UTC |
University Technical College |
|
| UTC | University Technology Centre | |
| UTK | University of Tennessee at Knoxville | |
| UTM | Universal Testing Machine | |
| UTOPIUM |
Ultimate Toughness and Other Properties by Ultimate Materials |
|
| UTP |
University Technology Partnership |
|
| UUID |
Universally Unique IDentifier |
|
| UUK |
Universities UK |
London - United Kingdom |
| UUV |
Unmanned Underwater Vehicles |
|
| UV |
UltraViolet |
|
| UVA |
UltraViolet Absorbers |
|
| UVAG |
UltraViolet Absorbing Green |
|
| UVF |
UltraViolet Fluorescence |
|
| UVH |
Unmanned Vehicle Host Ship |
|
| UVRTM |
UltraViolet cure Resin Transfer Moulding |
|
| UV-Vis | Ultra Violet-Visible | |
| UWB |
Ultra-Wide Band |
|
| UWWTD |
Urban Waste Water Treatment Directive |
|
| UX |
User Experience |
|