Numerical analyses are performed to study the fluid dynamic behaviours of the solubility trapping in the context of CO2 storage in deep geological formations. Dissolution of CO2 into the underlying brine increases the density of brine, leading to a gravitational instability. This instability...

The supersonic separation is a novel technology in the natural gas dehydration for its compact design and fewer emissions. The other fascinating advantage is that the diffuser can convert kinetic energy into pressure energy to improve the energy efficiency. The mechanism of the pressure recovery...

A new model used to design the shape and dimension of salt cavern gas storage is proposed in the paper. In the new model, the cavern is divided into two parts, namely the lower and upper structures, to design. The concepts of slope instability and pressure arch are introduced into the shape...

Gasification plays an important role in the development of clean coal technology. To seek appropriate operations for synthesis gas (syngas) formation, the present study develops a numerical method to predict coal gasification phenomena in an entrained-flow gasifier. Particular emphasis is placed...

In this study, numerical simulation of transient thermal behavior of thermoelectric coolers is attempted based on a non-uniform-current model. In the present model, the thermoelectric cooler is divided into seven blocks, including aluminum plates, ceramic plates, and P-type and N-type...

Depleted natural gas fields provide promising CO2 storage sites with the additional benefit of enhancing natural gas recovery. This paper performs numerical investigations of CO2 storage with enhanced CH4 recovery (CSEGR) in large stratified reservoirs with neglecting the absence of aqueous...

The development of local energy systems is important to curtailing global warming and improving public safety. Therefore, in this work, the basic performance of an independent microgrid consisting of tidal power generators, photovoltaics, fuel cells, and heat pumps to locally produce energy for...

In this paper a numerical model to analyze the thermal behaviour of vertical ground heat exchangers with a helical shaped pipe is presented. This type of configuration can be a suitable alternative to conventional ground heat exchangers, especially when the heating and cooling loads of the...

This research presents a novel parameters coupling designation method of diesel free-piston linear alternator. The relationship between the main parameters of linear alternator and free-piston engine is built up based on the energy conservation relationship between these two devices. An...

In a solar thermal power tower system, a molten salt tube receiver is a significant component. However, the tube flow performance is different with other tubes, half the circumference of the tube is heated with a different heat flux and half that circumference is insulated. As the properties of...