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Analysis of thermal performance of geophonic down-hole measuring tools; a numerical and experimental investigation (2018)
Journal Article
Weerasinghe, R., & Hughes, T. (2018). Analysis of thermal performance of geophonic down-hole measuring tools; a numerical and experimental investigation. Applied Thermal Engineering, 137, 504-512. https://doi.org/10.1016...lthermaleng.2018.03.090

© 2018 Downhole tools encounter harsh environmental conditions due to pressure and elevated temperatures. Use of Peltier cooling in down-hole seismic tooling has been restricted by the performance of such devices at elevated temperatures. Present pap... Read More about Analysis of thermal performance of geophonic down-hole measuring tools; a numerical and experimental investigation.

Simulation and experimental analysis of hovering and flight of a quadrotor (2017)
Presentation / Conference
Weerasinghe, R., & Monasor, M. (2017, July). Simulation and experimental analysis of hovering and flight of a quadrotor. Paper presented at HEFAT Conference, Slovenia

Quadcopters were the first heavier than air vertical take-off landing vehicles. Quadrotors have become increasingly popular in the recent years finding a great variety of applications in different fields such as surveillance and small goods transport... Read More about Simulation and experimental analysis of hovering and flight of a quadrotor.

Small engines as bottoming cycle steam expanders for internal combustion engines (2017)
Journal Article
Weerasinghe, R., & Hounsham, S. (2017). Small engines as bottoming cycle steam expanders for internal combustion engines. Journal of Combustion, 2017,

Heat recovery bottoming cycles for internal combustion engines have opened new avenues for research into small steam expanders [1]. Dependable data for small steam expanders will allow us to predict on their suitability as bottoming cycle engines and... Read More about Small engines as bottoming cycle steam expanders for internal combustion engines.

Numerical and experimental investigation of thermoelectric cooling in down-hole measuring tools; A case study (2017)
Journal Article
Weerasinghe, R., & Hughes, T. P. (2017). Numerical and experimental investigation of thermoelectric cooling in down-hole measuring tools; A case study. Case Studies in Thermal Engineering, 10, 44-53. https://doi.org/10.1016/j.csite.2017.02.002

© 2017 The Authors. Use of Peltier cooling in down-hole seismic tooling has been restricted by the performance of such devices at elevated temperatures. Present paper analyses the performance of Peltier cooling in temperatures suited for down-hole me... Read More about Numerical and experimental investigation of thermoelectric cooling in down-hole measuring tools; A case study.

Thermoelectric cooling in downhole measuring tools (2017)
Book Chapter
Weerasinghe, R. (2017). Thermoelectric cooling in downhole measuring tools. In Q. Wu, & B. Achour (Eds.), Advances in Energy and Environment ResearchTaylor and Francis

Thermoelectric cooling is a highly effective and a novel technique used for cooling solid state circuitry inside downhole measuring equipment. A Peltier device in a deep well measuring tool works as a heat pump. The understanding of the thermal behav... Read More about Thermoelectric cooling in downhole measuring tools.

Thermal management of downhole measuring tools using thermoelectric cooling; A numerical and experimental investigation (2016)
Presentation / Conference
Weerasinghe, R., & Hughes, T. P. (2016, July). Thermal management of downhole measuring tools using thermoelectric cooling; A numerical and experimental investigation. Paper presented at 12th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Malaga, Spain

Vertical seismic profiling (VSP) is a common geophysical technology used in oil and gas investigation in deep wells. VSP provides high resolution and dependable results but is subjected to high temperatures and harsh well environments. As these wells... Read More about Thermal management of downhole measuring tools using thermoelectric cooling; A numerical and experimental investigation.

CFD modelling of thermo-electric devices for thermal management in downhole tools (2015)
Presentation / Conference
Weerasinghe, R., & Hughes, T. (2015, September). CFD modelling of thermo-electric devices for thermal management in downhole tools. Paper presented at Therminic 2015

Investigation of oil and gas fields using vertical seismic profiling subjects the electronics used to extreme temperatures and pressures. As wells become deeper, the need for effective thermal management in instrumentation and the demands placed on t... Read More about CFD modelling of thermo-electric devices for thermal management in downhole tools.

CFD modelling of thermal management in downhole tools (2015)
Presentation / Conference
Hughes, T., & Weerasinghe, R. (2015, September). CFD modelling of thermal management in downhole tools. Paper presented at UKHTC 2015

Investigation of oil and gas fields using vertical seismic profiling subjects the equipment used to extreme temperatures and pressures. As wells become deeper and higher temperature, the need for effective thermal management in instrumentation and t... Read More about CFD modelling of thermal management in downhole tools.