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Development of acoustic Robust Details enhancing building performance and wellbeing of occupants

Summary of the impact

The Building Performance Centre at Edinburgh Napier University led by Professor Sean Smith was the first to research `robust details' for sound insulation during 2001-2004. This resulted in a government consultation, new regulatory approach, higher quality of life for home occupants, multi-stakeholder engagement and knowledge exchange via a Design Handbook with 4,700 subscribers. Since 2008, over 300,000 robust detail homes have been built, noise complaints have fallen four-fold, site compliance rates have shifted from 35% to 99%, Smith leads a European 32-country robust design group and 16 patented products are manufactured in the UK.

Submitting Institution

Edinburgh Napier University

Unit of Assessment

Architecture, Built Environment and Planning

Summary Impact Type

Technological

Research Subject Area(s)

Engineering: Civil Engineering
Built Environment and Design: Engineering Design

Listen to the trees: Improving the timber supply chain in the UK

Summary of the impact

The forestry and timber-processing sector contributes about £2,000M per year to the UK economy. There are significant benefits to be gained by converting the maximum possible percentage of UK wood into construction timber products because the highest returns in terms of price and environmental impact are achieved with construction grade timber. WestCHEM research has contributed to the development of acoustic tools that allow construction-grade timber to be identified in the forest. This research also led to changes in UK Forestry Commission planting policy, with `improved' stock now accounting for >80% of new planting across both public and private sectors, yielding an estimated increase of £75M in the market value of these trees.

Submitting Institutions

University of Strathclyde,University of Glasgow

Unit of Assessment

Chemistry

Summary Impact Type

Technological

Research Subject Area(s)

Biological Sciences: Biochemistry and Cell Biology, Other Biological Sciences
Agricultural and Veterinary Sciences: Forestry Sciences

Applied Acoustics in the built environment and its broader uptake

Summary of the impact

Applied acoustics in the built environment and its broader uptake is focused on the development and commercial adoption of techniques and technologies resulting from research in applied acoustics, demonstrating the following impact:

  • Developing standard methodologies in the areas of Rain Noise, Building Envelope design, Low Frequency Noise, Structure-borne Sound, Surface Acoustic Diffusion and Multi-porous materials;
  • The adoption of standard practice in local and national government bodies in the UK and internationally, in test houses, the construction industry, consultancies and extending into automotive and aerospace industries;
  • Commercial application of technologies deriving from the research in reducing environmental noise, improving environmental and performance acoustics, bringing economic and environmental benefit.

Submitting Institution

University of Salford

Unit of Assessment

Architecture, Built Environment and Planning

Summary Impact Type

Political

Research Subject Area(s)

Engineering: Civil Engineering, Materials Engineering, Mechanical Engineering

Building acoustics - contributions to European and International Standardisation

Summary of the impact

The impact of building acoustics research by the Acoustics Research Unit at Liverpool has been through knowledge transfer into Standardisation, guidance to industry and take-up by test laboratories. This is evidenced by the active and leading participation of Professor Gibbs and Dr Hopkins on International and European Standards committees, developing measurement and prediction methods for noise in buildings. The research provides the scientific basis of new test codes used by accredited test laboratories and acoustic consultants. It is also feeding into new test procedures developed by R&D teams of Boeing, Seattle, for the control of vibration-induced noise in aircraft.

Submitting Institution

University of Liverpool

Unit of Assessment

Architecture, Built Environment and Planning

Summary Impact Type

Political

Research Subject Area(s)

Engineering: Aerospace Engineering, Civil Engineering
Built Environment and Design: Building

Building Monitoring and Preservation: Impacting Homebuilders and Households

Summary of the impact

This study presents the impact of research by Plymouth's Environmental Building Group (EBG) and Centre for Earthen Architecture (CEA) on industry and regulatory bodies. These interconnected groups research the manufacture, construction, preservation and performance (thermal, hygral and acoustic) of new and old buildings of diverse construction, including earth, straw-bale and hemp-lime. EBG/CEA research has impacted the energy consumption of 690+ homeowners (21st Century Living; DECC/Eden) and contributed to national standards for construction and conservation (BRE/DEBA/English Heritage). Industry partnerships/projects include: Zero Carbon House, Kevin McCabe Ltd; Carfrae Sustainable Design; Hukseflux; Cornish Lime Company.

Submitting Institution

Plymouth University

Unit of Assessment

Architecture, Built Environment and Planning

Summary Impact Type

Technological

Research Subject Area(s)

Engineering: Civil Engineering
Built Environment and Design: Building, Other Built Environment and Design

Mechanical properties of UK grown timber – improving quality and reducing waste

Summary of the impact

As a result of Edinburgh Napier University's contribution to the `Strategic Integrated Research in Timber' network, the UK forest industries (from tree breeders to timber engineers) and policy makers are much better informed about the key characteristics of UK-grown timber (particularly the principal commercial species, Sitka spruce) and how these characteristics are influenced by tree growth, silviculture and processing decisions.

Information has been provided to support: improved grading of timber; segregation of logs and trees for optimal conversion; refocusing the UK tree breeding programme for future wood quality; improvement of European Standards for timber grading; and improved perception of UK-grown timber for construction use. These combine to produce impact through reduced wastage (material and energy) and creation of wider markets for UK-grown timber.

Submitting Institution

Edinburgh Napier University

Unit of Assessment

Electrical and Electronic Engineering, Metallurgy and Materials

Summary Impact Type

Environmental

Research Subject Area(s)

Environmental Sciences: Environmental Science and Management
Agricultural and Veterinary Sciences: Forestry Sciences
Engineering: Resources Engineering and Extractive Metallurgy

Identification and Active Control of Multiple Sources of Sound

Summary of the impact

Work at the Institute of Sound and Vibration Research (ISVR) has led to a sophisticated new understanding of a number of multiple-input multiple-output (MIMO) problems in acoustics. The effects are wide ranging, attracting heavyweight industry sponsors and driving valuable new innovations in home entertainment, construction, aviation and defence. In particular, research has led to the deployment of new "active" methods for controlling noise and vibration within aircraft. Systems have been installed in over 200 propeller aircraft since January 2008, giving a total number of 1000 aircraft treated to date and benefitting 177 million passengers worldwide. Noise reduction systems based on patents resulting from the unique ISVR methods are being developed for maritime use by BAE Systems. The underpinning science has significantly cut the cost of noise tests on Rolls-Royce jet engines, saving US$4 million to date and reducing their environmental impact. It has led to the development of mass-produced systems for living-room 3D sound, global sales of which have reached US$7.2 million.

Submitting Institution

University of Southampton

Unit of Assessment

General Engineering

Summary Impact Type

Technological

Research Subject Area(s)

Engineering: Mechanical Engineering
Technology: Communications Technologies
Medical and Health Sciences: Neurosciences

Innovative acoustic material enables economic growth while reducing waste and noise pollution

Summary of the impact

University of Bradford research has enabled a material manufacturing company, Armacell, to reuse up to 95% of its production waste to produce new, high-value acoustic products with up to 50% better acoustic performance than any competition products of similar size. We protected the developed IP through several international patents and set up a spin-off company, Acoutechs Ltd, to explore this technology commercially. These materials are now used to reduce noise levels below the recommended limits and to improve the general acoustic quality of spaces at home and work for the benefit of public health. The products generate an annual turnover of more than €4 million for Armacell and prevent more than 500 tonnes of plastic waste from going into landfill annually.

Submitting Institution

University of Bradford

Unit of Assessment

Civil and Construction Engineering

Summary Impact Type

Technological

Research Subject Area(s)

Physical Sciences: Other Physical Sciences
Engineering: Biomedical Engineering, Interdisciplinary Engineering

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