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Article
Pyrolytic characteristics of Fushun oil shale and its by-products
FTIR, TG–DTG, TG–FTIR, and Py–GC–MS were employed to investigate the similarities and differences in the pyrolytic characteristics of Fushun oil shale and its by-products, i.e., semi-coke and residual. The sem...
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Article
Structural characterization of thermal bitumen extracted from Fushun oil shale semi-coke with ionic liquid/N-methyl pyrrolidone
Thermal bitumen is an organic intermediate during the pyrolysis of oil shale kerogen. In this work, semi-cokes were prepared for obtaining thermal bitumen by pyrolyzing Fushun oil shale to 400–500 °C, followed...
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Chapter and Conference Paper
Study on Moisture Transfer Characteristics of Corn during Drying Process at Low Air Temperature
Traditional hot air drying is a high-energy consuming process, and the drying quality is often decreased due to high drying temperature. To improve the drying process and drying efficiency, in this paper, the ...
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Chapter and Conference Paper
Study on the Inter-Stage Release Characteristics of Two-Stage Compression Heat Pump System
The intermediate injection combined with two-stage compression technology can improve the low-temperature adaptability of air source heat pump, but the problem of “frosting” is still to be improved. Considered...
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Chapter and Conference Paper
Effect of Adding Ambient Air Before Evaporating on Multi-stage Heat Pump Drying System
Drying is a high energy consumption process, accounting for more than 12% of total industrial energy consumption. It is therefore urgent to develop newer energy-efficient and saving structures and processes to...
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Article
Performance analysis of combined cooling heating and power (CCHP) exhaust waste heat coupled air source heat pump system
To achieve the deep recovery of exhaust waste heat, a combined cooling heating and power (CCHP) dynamic exhaust low temperature waste heat coupled air source heat pump system is proposed in this paper. Aspen P...
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Article
Analysis of performance and economical efficiency of two-stage compression heat pump system with inter-stage injection in cold regions of northern China
The low temperature adaptability of air source heat pump in the field of building heating in cold regions has always been a hot topic. At present, the combination of inter-stage injection technology and two-st...
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Article
Numerical study on particle deposition in rough channels with large-scale irregular roughness
We studied particle deposition in rough channels, using the W-M fractal function to characterize a large-scale irregular surface with a root-mean-square roughness of 0.5mm. The flow was numerically investigate...
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Chapter and Conference Paper
Numerical Simulation of Vortex Shedding Frequency and the Oscillation Lift Based on Gas-liquid Two-phase Flow Around Circular Cylinders in the Vertical Pipeline
Gas-liquid two-phase flow around circular cylinders based on RNG k - ε turbulence model is simulated with the finite volume method and the turbulence relationship caused by the shear and the bubble. The results s...
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Chapter and Conference Paper
PSD Characteristics of Air-water Two-Phase Cross Flow Based on Pressure-difference Fluctuation Signal
The alternating vortex will shed from the circular cylinder when air-water two-phase fluid flows across it, and the pressure-difference fluctuates in its two sides. The fast dynamic response pressure-differenc...
