Outputs (405)

An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm (2013)
Journal Article
Ma, S., Wilkinson, A. J., & Paulson, K. S. (2014). An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm. Ultrasonics, 54(2), 502-515. https://doi.org/10.1016/j.ultras.2013.07.017

A non-linear control method, known as Variable Structure Control (VSC), is employed to reduce the duration of ultrasonic (US) transducer transients. A physically realizable system using a simplified form of the VSC algorithm is proposed for standard... Read More about An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm.

Sound absorption properties of porous composites fabricated by a hydrogel templating technique (2013)
Journal Article
Rutkevicius, M., Mehl, G. H., Paunov, V. N., Qin, Q., Rubini, P. A., Stoyanov, S. D., & Petkov, J. (2013). Sound absorption properties of porous composites fabricated by a hydrogel templating technique. Journal of Materials Research, 28(17), 2409-2414. https://doi.org/10.1557/jmr.2013.194

We have used a hydrogel templating technique followed by the subsequent evaporation of water present to fabricate porous cement and porous PDMS composites, and we have analyzed their sound absorption properties. All experiments were carried out with... Read More about Sound absorption properties of porous composites fabricated by a hydrogel templating technique.

The effects of annealing on the microstructure and the dynamic mechanical strength of a ZrCuNiAl bulk metallic glass (2013)
Journal Article
Huang, Y., Zheng, W., Fan, H., Wang, D., Shen, J., & Mi, J. (2013). The effects of annealing on the microstructure and the dynamic mechanical strength of a ZrCuNiAl bulk metallic glass. Intermetallics, 42, 192-197. https://doi.org/10.1016/j.intermet.2013.07.001

Isothermal annealing has been applied to a bulk metallic glass alloy, Zr50.7Cu28Ni9Al12.3. Nanocrystalline precipitates, mainly consisting of Ni3Zr and Ni42Zr 58 phases, appear from the amorphous matrix when annealed at 743 K for different times, and... Read More about The effects of annealing on the microstructure and the dynamic mechanical strength of a ZrCuNiAl bulk metallic glass.

Non-stationary regimes of surface gravity wave turbulence (2013)
Journal Article
Bedard, R., Lukaschuk, S., & Nazarenko, S. (2013). Non-stationary regimes of surface gravity wave turbulence. JETP Letters, 97(8), 459-465. https://doi.org/10.1134/S0021364013080055

We present experimental results about rising and decaying gravity wave turbulence in a large laboratory flume. We consider the time evolution of the wave energy spectral components in ω- and k-domains and demonstrate that emerging wave turbulence can... Read More about Non-stationary regimes of surface gravity wave turbulence.

Gravity wave turbulence in a large flume (2013)
Book Chapter
Bedard, R., Nazarenko, S., & Lukaschuk, S. (2013). Gravity wave turbulence in a large flume. In Advances in Wave Turbulence (187 - 237). World Scientific

We overview past and new experimental results on gravity wave turbulence obtained at The Deep flume facility in Hull. The relatively large size of this flume, 12m × 6m × 1.5m, allows us to study the pure gravity waves without being concerned with mod... Read More about Gravity wave turbulence in a large flume.

Modelling of tar formation and evolution for biomass gasification: A review (2013)
Journal Article
Font Palma, C. (2013). Modelling of tar formation and evolution for biomass gasification: A review. Applied energy, 111, 129-141. https://doi.org/10.1016/j.apenergy.2013.04.082

Many by-products are generated during gasification, such as tar, NOx, SO2, and fly ash. In particular, tar elimination from the product gas is necessary to make gasification an attractive option. The presence of tar can cause operational problems to... Read More about Modelling of tar formation and evolution for biomass gasification: A review.

Phase field simulation of binary alloy dendrite growth under thermal- and forced-flow fields: An implementation of the parallel-multigrid approach (2013)
Journal Article
Guo, Z., Mi, J., Xiong, S., & Grant, P. S. (2013). Phase field simulation of binary alloy dendrite growth under thermal- and forced-flow fields: An implementation of the parallel-multigrid approach. Metallurgical and Materials Transactions B, 44(4), 924-937. https://doi.org/10.1007/s11663-013-9861-5

Dendrite growth and morphology evolution during solidification have been studied using a phase field model incorporating melt convection effects, which was solved using a robust and efficient parallel, multigrid computing approach. Single dendrite gr... Read More about Phase field simulation of binary alloy dendrite growth under thermal- and forced-flow fields: An implementation of the parallel-multigrid approach.

Model based evaluation of six energy integration schemes applied to a small-scale gasification process for power generation (2013)
Journal Article
Font Palma, C., & Martin, A. D. (2013). Model based evaluation of six energy integration schemes applied to a small-scale gasification process for power generation. Biomass & bioenergy, 54, 201-210. https://doi.org/10.1016/j.biombioe.2013.03.024

This work considers the use of spent poultry litter as a fuel for on-site power generation. On-site use eliminates the need for the transportation of biomass to centralised plants and the associated bio-security issues. This work utilised process sim... Read More about Model based evaluation of six energy integration schemes applied to a small-scale gasification process for power generation.

Model for biomass gasification including tar formation and evolution (2013)
Journal Article
Palma, C. F. (2013). Model for biomass gasification including tar formation and evolution. Energy and Fuels, 27(5), 2693-2702. https://doi.org/10.1021/ef4004297

Since tar elimination from the product gas is necessary to make gasification an attractive option, the presence of tar was included in a kinetic model. Lignin was assumed as the main precursor of tars due to its aromatic nature; therefore, the lignin... Read More about Model for biomass gasification including tar formation and evolution.

Spectrum occupancy survey In HULL-UK For cognitive radio applications: Measurement & analysis (2013)
Journal Article
Mehdawi, M., Riley, N., Paulson, K., Fanan, A., & Ammar, M. (2013). Spectrum occupancy survey In HULL-UK For cognitive radio applications: Measurement & analysis. International Journal of Scientific and Technology Research, 2(4), 231-236

Efficient use of the radio spectrum is a necessity for future wireless systems. Cognitive Radio (CR) systems promise large inc reases in spectral efficiency. An important design constraint for systems is understanding of the current use of frequency... Read More about Spectrum occupancy survey In HULL-UK For cognitive radio applications: Measurement & analysis.