Outputs (108)

The crystallinity and thermal degradation behaviour of polyamide 6/oil based mud fillers (PA6/OBMFs) nanocomposites. (2018)
Journal Article
SIDDIQUE, S., KWOFFIE, L., ADDAE-AFOAKWA, K., YATES, K. and NJUGUNA, J. 2019. The crystallinity and thermal degradation behaviour of polyamide 6/oil based mud fillers (PA6/OBMFs) nanocomposites. Polymer degradation and stability [online], 159, pages 139-152. Available from: https://doi.org/10.1016/j.polymdegradstab.2018.11.004

The crystallinity and thermal degradation behaviours of Polyamide 6/Oil Based Mud Fillers (PA6/OBMFs) nanocomposites have been investigated using DSC and TGA. TGA indicates the onset decomposition temperature of D1/2 (half-decomposition) is 16º C hig... Read More about The crystallinity and thermal degradation behaviour of polyamide 6/oil based mud fillers (PA6/OBMFs) nanocomposites..

Sustainable energy for emerging nations development: a case study on Togo renewable energy. (2018)
Conference Proceeding
KANSONGUE, N., NJUGUNA, J. and VERTIGANS, S. 2018. Sustainable energy for emerging nations development: a case study on Togo renewable energy. In Proceedings of the Institute of Electrical and Electronics Engineers (IEEE) Power and Energy Society (PES) and Industrial Applications Society (IAS) PowerAfrica 2018 conference, 26-29 June 2018, Cape Town, South Africa. Piscataway, NJ: IEEE [online], pages 137-141. Available from: https://doi.org/10.1109/PowerAfrica.2018.8521054

This paper explores the need for an appropriate energy delivery, placing emphasis on the role of the indigenous people in developing their future needs. The case study is based on Togo renewable energy sustainability and employs qualitative and quant... Read More about Sustainable energy for emerging nations development: a case study on Togo renewable energy..

Characterisation of oil based mud waste to explore the possibility in transforming waste into a value added product. (2018)
Presentation / Conference
SIDDIQUE, S., YATES, K. and NJUGUNA, J. 2018. Characterisation of oil based mud waste to explore the possibility in transforming waste into a value added product. Presented at the 6th International conference on sustainable solid waste management (NAXOS 2018), 13-16 June 2018, Naxos, Greece. Athens: National Technical University of Athens [online], paper number 45. Available from: http://uest.ntua.gr/naxos2018/proceedings/pdf/45_NAXOS2018_Siddique_etal.pdf

Waste characterisation is an essential factor in designing sustainable waste management plan. However, waste composition profile is underestimated in oil and gas exploration and production (E&P) industries in the United Kingdom. A three years long in... Read More about Characterisation of oil based mud waste to explore the possibility in transforming waste into a value added product..

Abstract book for the proceedings of the 4th International conference on structural nano composites (NANOSTRUC 2018), 23-24 May 2018, Berlin, Germany. (2018)
Conference Proceeding
NJUGUNA, J. and NGO, H.-D. (eds.) 2018. Abstract book for the proceedings of the 4th International conference on structural nano composites (NANOSTRUC 2018), 23-24 May 2018, Berlin, Germany [online]. Available from: https://www.nanostruc.info/nanostruc-conference.html

The purpose of The 4th International Conference on Structural Nano Composites (NANOSTRUC2018) is to promote activities in various areas of materials and structures by providing a forum for exchange of ideas, presentation of technical achievements and... Read More about Abstract book for the proceedings of the 4th International conference on structural nano composites (NANOSTRUC 2018), 23-24 May 2018, Berlin, Germany..

Mechanical, thermal, and flammability behaviour of low density polyethylene - oil based mud fillers nanocomposites. (2018)
Presentation / Conference
SIDDIQUE, S., SMITH, G.D., YATES, K. and NJUGUNA, J. 2018. Mechanical, thermal, and flammability behaviour of low density polyethylene - oil based mud fillers nanocomposites. Presented at the 4th International conference on structural nano composites (NANOSTRUC 2018), 23-24 May 2018, Berlin, Germany.

Novel low density polyethylene (LDPE)/Oil based mud fillers (OBMF) nanocomposites were manufactured by a melt compounding process. Fourier Transform Infrared (FTIR) Spectroscopy was used to characterise the structure of the nanocomposites. The result... Read More about Mechanical, thermal, and flammability behaviour of low density polyethylene - oil based mud fillers nanocomposites..

Cross sensitivity analysis of optical fibre-based sensing for high pressure, high temperature measurement in oil and gas applications. (2018)
Thesis
AMOS, S.U. 2018. Cross sensitivity analysis of optical fibre-based sensing for high pressure, high temperature measurement in oil and gas applications. Robert Gordon University, PhD thesis.

Measurements of physical parameters like pressure, temperature, flow rate, vibrations and displacement in harsh environment are often desired in the oil and gas industry. Pressure and temperature are the most important parameters among them. Changes... Read More about Cross sensitivity analysis of optical fibre-based sensing for high pressure, high temperature measurement in oil and gas applications..

Mechanical structural design of a MEMS-based piezoresistive accelerometer for head injuries monitoring: a computational analysis by increments of the sensor mass moment of inertia. (2018)
Journal Article
MESSINA, M., NJUGUNA, J. and PALAS, C. 2018. Mechanical structural design of a MEMS-based piezoresistive accelerometer for head injuries monitoring: a computational analysis by increments of the sensor mass moment of inertia. Sensors [online], 18(1), article number 289. Available from: https://doi.org/10.3390/s18010289

This work focuses on the proof-mass mechanical structural design improvement of a tri-axial piezoresistive accelerometer specifically designed for head injuries monitoring where medium-G impacts are common; for example, in sports such as racing cars... Read More about Mechanical structural design of a MEMS-based piezoresistive accelerometer for head injuries monitoring: a computational analysis by increments of the sensor mass moment of inertia..

Removal of lead (II) from aqeouos waste using (CD-PCL-TiO2) bio-nanocomposites. (2017)
Journal Article
SEEMA, K.M., MAMBA, B.B., NJUGUNA, J., BAKHTIZIN, R.Z. and MISHRA, A.K. 2018. Removal of lead (II) from aqeouos waste using (CD-PCL-TiO2) bio-nanocomposites. International journal of biological macromolecules [online], 109, pages 136-142. Available from: https://doi.org/10.1016/j.ijbiomac.2017.12.046

Lead (Pb) pollution is our water system is a major concern, as this metal is toxic even at low concentration. This study aim to fabricate a bio-nanocomposite (cyclodextrin-polycaprolactone titanium dioxide) that will be used as an adsorbent for the r... Read More about Removal of lead (II) from aqeouos waste using (CD-PCL-TiO2) bio-nanocomposites..

Insulating polymer nanocomposites for high thermal conduction and fire retarding applications. (2017)
Presentation / Conference
GUPTA, R., HUO, D., PANCHOLI, M., NJUGUNA, J. and PANCHOLI, K. 2017. Insulating polymer nanocomposites for high thermal conduction and fire retarding applications. Presented at the 3rd Defence and security doctoral symposium, 14-15 November 2017, Swindon, UK [online]. Available from: https://doi.org/10.17862/cranfield.rd.5675281.v1

The possibility of combining the flexibility and light - weight of polymers with the highest insulation of ceramics, drives the field of nanocomposites for potential commercial application. The inclusion of nano-sized insulating particles in the poly... Read More about Insulating polymer nanocomposites for high thermal conduction and fire retarding applications..

Computational analysis and optimization of a MEMS-based piezoresistive accelerometer for head injuries monitoring. (2017)
Conference Proceeding
MESSINA, M., NJUGUNA, J. and PALAS, C. 2017. Computational analysis and optimization of a MEMS-based piezoresistive accelerometer for head injuries monitoring. In Proceedings of the 2017 IEEE sensors conference, 29 October - 1 November 2017, Glasgow, UK. New York: IEEE [online], article number 8233897, pages 91-93. Available from: https://doi.org/10.1109/ICSENS.2017.8233897

This work focuses on the design improvement of a tri-axial piezoresistive accelerometer specifically designed for head injuries monitoring where medium-G impacts are common, for example in sports such as racing cars. The device requires the highest s... Read More about Computational analysis and optimization of a MEMS-based piezoresistive accelerometer for head injuries monitoring..