Dr Zhiwei Ma's Outputs (69)

Review of fundamental properties of CO 2 hydrates and CO 2 capture and separation using hydration method (2016)
Journal Article
Ma, Z., Zhang, P., Bao, H., & Deng, S. (2016). Review of fundamental properties of CO 2 hydrates and CO 2 capture and separation using hydration method. Renewable and Sustainable Energy Reviews, 53, https://doi.org/10.1016/j.rser.2015.09.076

Rheological and energy transport characteristics of a phase change material slurry (2016)
Journal Article
Zhang, P., Ma, Z., Bai, Z., & Ye, J. (2016). Rheological and energy transport characteristics of a phase change material slurry. Energy, 106, https://doi.org/10.1016/j.energy.2016.03.025

Thermodynamic modelling and parameter determination of ejector for ejection refrigeration systems (2016)
Journal Article
Ma, Z., Bao, H., & Roskilly, A. P. (2017). Thermodynamic modelling and parameter determination of ejector for ejection refrigeration systems. International Journal of Refrigeration, 75, 117-128. https://doi.org/10.1016/j.ijrefrig.2016.12.005

This paper presents a detailed thermodynamic modelling method of an ejector for ejection refrigeration system. In this model, the primary flow in the ejector was assumed to fan out from the nozzle without mixing with the secondary flow in a certain d... Read More about Thermodynamic modelling and parameter determination of ejector for ejection refrigeration systems.

Dynamic modelling and experimental validation of scroll expander for small scale power generation system (2016)
Journal Article
Ma, Z., Bao, H., & Roskilly, A. P. (2017). Dynamic modelling and experimental validation of scroll expander for small scale power generation system. Applied Energy, 186, 262-281. https://doi.org/10.1016/j.apenergy.2016.08.025

This work presents a detailed and generic dynamic modelling and simulation method of scroll expander for small scale power generation system. The geometric models of the scroll were built step by step, including the scroll involute, scroll dimensions... Read More about Dynamic modelling and experimental validation of scroll expander for small scale power generation system.

An optimised chemisorption cycle for power generation using low grade heat (2016)
Journal Article
Bao, H., Ma, Z., & Roskilly, A. P. (2017). An optimised chemisorption cycle for power generation using low grade heat. Applied Energy, 186(3), 251-261. https://doi.org/10.1016/j.apenergy.2016.06.080

The integration of chemisorption cycle with turbine/expander opens up enormous opportunities of recovering low grade heat to meet different energy demands including heating, cooling and power generation. In the present study, a novel advanced resorpt... Read More about An optimised chemisorption cycle for power generation using low grade heat.

Performance analysis of ultralow grade waste heat upgrade using absorption heat transformer (2016)
Journal Article
Ma, Z., Bao, H., & Roskilly, A. P. (2016). Performance analysis of ultralow grade waste heat upgrade using absorption heat transformer. Applied Thermal Engineering, 101, 350-361. https://doi.org/10.1016/j.applthermaleng.2016.02.002

The present paper aimed at exploring absorption heat transformer (AHT) to upgrade ultralow grade waste heat in the temperature range of 40–60 °C. The performance of AHTs with different configurations, including single stage, double stage and double e... Read More about Performance analysis of ultralow grade waste heat upgrade using absorption heat transformer.

Chemisorption power generation driven by low grade heat – Theoretical analysis and comparison with pumpless ORC (2016)
Journal Article
Bao, H., Ma, Z., & Roskilly, A. P. (2017). Chemisorption power generation driven by low grade heat – Theoretical analysis and comparison with pumpless ORC. Applied Energy, 186, 282-290. https://doi.org/10.1016/j.apenergy.2016.01.022

Sorption cycles have been extensively developed for waste heat recovery to deliver cooling, heating, and electricity. Chemisorption cycles using metallic salts as sorbents and ammonia as working fluid have been explored in this work for the maximum p... Read More about Chemisorption power generation driven by low grade heat – Theoretical analysis and comparison with pumpless ORC.

Analysis and comparison of pumpless organic Rankine cycle and thermochemical sorption power generation (2015)
Presentation / Conference Contribution
Bao, H., Ma, Z., & Rokilly, T. (2015, December). Analysis and comparison of pumpless organic Rankine cycle and thermochemical sorption power generation. Presented at Sustainable Thermal Energy Management International Conference, Newcastle, UK

Experimental investigation of rheological characteristics of phase change material slurries (2015)
Presentation / Conference Contribution
Zhang, P., Ma, Z., Ye, J., & Bai, Z. (2015, December). Experimental investigation of rheological characteristics of phase change material slurries. Presented at Sustainable Thermal Energy Management International Conference, Newcastle, UK

Integrated chemisorption cycles for ultra-low grade heat recovery and thermo-electric energy storage and exploitation (2015)
Journal Article
Bao, H., Ma, Z., & Roskilly, A. P. (2016). Integrated chemisorption cycles for ultra-low grade heat recovery and thermo-electric energy storage and exploitation. Applied Energy, 164, 228-236. https://doi.org/10.1016/j.apenergy.2015.11.052

The integrated chemisorption technology driven by ultra-low grade heat for simultaneous electrical power and thermal energy storage has been investigated in this work. A resorption cycle employing low and high temperature salts, with the coupling bet... Read More about Integrated chemisorption cycles for ultra-low grade heat recovery and thermo-electric energy storage and exploitation.

Thermal conductivity measurements of a phase change material slurry under the influence of phase change (2014)
Journal Article
Zhang, P., Ma, Z., Shi, X., & Xiao, X. (2014). Thermal conductivity measurements of a phase change material slurry under the influence of phase change. International Journal of Thermal Sciences, 78, https://doi.org/10.1016/j.ijthermalsci.2013.11.013

Experimental Investigation of Flow and Heat Transfer Characteristics in the Generation of Clathrate Hydrate Slurry (2014)
Journal Article
Zhang, P., Ma, Z., & Nie, D. (2014). Experimental Investigation of Flow and Heat Transfer Characteristics in the Generation of Clathrate Hydrate Slurry. Heat Transfer Engineering, 35(6-8), https://doi.org/10.1080/01457632.2013.837762

Pressure drop and heat transfer characteristics of tetra-n-butyl ammonium bromide clathrate hydrate slurry during flow melting and generating in a double-tube heat exchanger (2013)
Journal Article
Ma, Z., & Zhang, P. (2013). Pressure drop and heat transfer characteristics of tetra-n-butyl ammonium bromide clathrate hydrate slurry during flow melting and generating in a double-tube heat exchanger. Experimental Thermal and Fluid Science, 44, https://doi.org/10.1016/j.expthermflusci.2012.06.012

Solid fraction determination in cold storage by tetra-n-butyl ammonium bromide clathrate hydrate slurry (2013)
Journal Article
Zhang, P., Shi, X., & Ma, Z. (2013). Solid fraction determination in cold storage by tetra-n-butyl ammonium bromide clathrate hydrate slurry. International Journal of Refrigeration, 36(3), https://doi.org/10.1016/j.ijrefrig.2012.11.012

Influence of crystal layer on the flow and heat transfer characteristics during TBAB CHS generation in a double-tube heat exchanger (2013)
Journal Article
Ma, Z., & Zhang, P. (2013). Influence of crystal layer on the flow and heat transfer characteristics during TBAB CHS generation in a double-tube heat exchanger. International Journal of Thermal Sciences, 68, https://doi.org/10.1016/j.ijthermalsci.2013.01.008

Modeling the heat transfer characteristics of flow melting of phase change material slurries in the circular tubes (2013)
Journal Article
Ma, Z., & Zhang, P. (2013). Modeling the heat transfer characteristics of flow melting of phase change material slurries in the circular tubes. International Journal of Heat and Mass Transfer, 64, https://doi.org/10.1016/j.ijheatmasstransfer.2013.05.026

Measurement of thermal conductivity of TBAB CHS by inclusion of the effect of phase change (2012)
Presentation / Conference Contribution
Zhang, P., & Ma, Z. (2012, December). Measurement of thermal conductivity of TBAB CHS by inclusion of the effect of phase change. Presented at 10th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning, Kobe, Japan

Solid concentration distribution of TBAB clathrate hydrate slurry in a storage tank (2012)
Presentation / Conference Contribution
Zhang, P., Ma, Z., Shi, X., & Wang, R. (2012, December). Solid concentration distribution of TBAB clathrate hydrate slurry in a storage tank. Presented at 6th Asian Conference on Refrigeration and Air Conditioning, Xi'an, China

An overview of fundamental studies and applications of phase change material slurries to secondary loop refrigeration and air conditioning systems (2012)
Journal Article
Zhang, P., & Ma, Z. (2012). An overview of fundamental studies and applications of phase change material slurries to secondary loop refrigeration and air conditioning systems. Renewable and Sustainable Energy Reviews, 16(7), https://doi.org/10.1016/j.rser.2012.03.059

Pressure drops and loss coefficients of a phase change material slurry in pipe fittings (2012)
Journal Article
Ma, Z., & Zhang, P. (2012). Pressure drops and loss coefficients of a phase change material slurry in pipe fittings. International Journal of Refrigeration, 35(4), https://doi.org/10.1016/j.ijrefrig.2012.01.010