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BP Refining Technology

BP Refining Technology

3 Projects, page 1 of 1
  • Funder: UK Research and Innovation Project Code: EP/I037423/1
    Funder Contribution: 239,624 GBP

    High spectral efficiency is the holy grail of wireless networks due to the well-known scarcity of radio spectrum. While up to recently there seemed to be no way out of the apparent end of the road in spectral efficiency growth, the emerging approach of Network Coding has cast new light in the spectral efficiency prospects of wireless networks [1]. Initial results have demonstrated that the use of network coding increases the spectral efficiency up to 50% [2, 3]. Such a significant performance gain is crucial for many important bandwidth-hungry applications such as broadband cellular systems, wireless sensor networks, underwater communication scenarios, etc. Currently network coding has received a lot of attention from the wireless communication community; however, many existing works focused on the application of network coding to upper layers and the study of its impact on the physical layer (PHY) design only began recently. The aim of this proposal is to systematically study network coding at the physical layer, where we will not only characterize the fundamental limits of physical layer network coding, but also design practical digital signal processing (DSP) algorithms to realize the performance gain promised by those theoretic results. The novelty of the proposed project lies on the fact that this project will be the first UK effort to bridge information-theoretic studies and DSP algorithm design for PHY network coding. This will be done by first deriving the capacity region of network coding, which provides us the upper bound of the system performance. With such a better understanding, we will develop efficient transmission protocols and DSP algorithms to realize such optimal performance in practice. Interference alignment, a technology recently developed to cope with co-channel interference, will be applied to network coding transmissions for further performance improvement. Information-theoretic results, such as outage and symbol error probabilities, will be developed and testbed-based experimental evaluation will be carried out, so a more insightful understanding for our developed schemes can be obtained.

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  • Funder: UK Research and Innovation Project Code: EP/G042284/1
    Funder Contribution: 252,122 GBP

    There are many instances where components and plant operate at elevated temperatures such as turbines, high temperature processing pipework, power generation boilers and reactors. Currently, most non-destructive testing (NDT) is carried out at lower or ambient temperature, necessitating at least partial shut-down of the process. Planned outage of plant is costly but the cost of unplanned outage due to catastrophic failure can run to millions of pounds, and can have extremely serious consequences for the safety of personnel and the public. In addition, some plant contains areas that are extremely difficult to access even during an outage meaning that the only viable approach is to use permanently installed monitoring. We propose devices and concepts to enable high temperature monitoring and inspection where it is currently impossible. This is stimulated not only by the industrial imperative, but also by major advances in knowledge and understanding of high temperature piezoelectric materials, in thick film and thin film form, operating at temperatures up to 800C. The attraction in developing high temperature sensors from these materials is that they can be robust, inexpensive and permanently installed on plant. In a novel hybrid system concept, not previously applied to high temperature inspection, we will combine these with improved non-contact ultrasonic generation techniques.

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  • Funder: UK Research and Innovation Project Code: EP/G042292/1
    Funder Contribution: 171,232 GBP

    There are many instances where components and plant operate at elevated temperatures such as turbines, high temperature processing pipework, power generation boilers and reactors. Currently, most non-destructive testing (NDT) is carried out at lower or ambient temperature, necessitating at least partial shut-down of the process. Planned outage of plant is costly but the cost of unplanned outage due to catastrophic failure can run to millions of pounds, and can have extremely serious consequences for the safety of personnel and the public. In addition, some plant contains areas that are extremely difficult to access even during an outage meaning that the only viable approach is to use permanently installed monitoring. We propose devices and concepts to enable high temperature monitoring and inspection where it is currently impossible. This is stimulated not only by the industrial imperative, but also by major advances in knowledge and understanding of high temperature piezoelectric materials, in thick film and thin film form, operating at temperatures up to 800C. The attraction in developing high temperature sensors from these materials is that they can be robust, inexpensive and permanently installed on plant. In a novel hybrid system concept, not previously applied to high temperature inspection, we will combine these with improved non-contact ultrasonic generation techniques.

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