Abstract: The objective of this paper is to assess the techno-economic performance of different cycle configurations for pumped thermal energy storage (PTES), including the effects of charging electricity costs. Reversible turbomachinery ...

Abstract: Due to their high freezing point, molten salt heat exchangers face the problem of salt freezing during cyclic operation. As a result, it is critical to detect the onset of salt solidification and anticipate the phase change ...

Abstract: Due to their high freezing point, molten salt heat exchangers face the problem of salt freezing during cyclic operation. As a result, it is critical to detect the onset of salt solidification and anticipate the phase change ...

Abstract: Abstract. Partial-evaporation organic Rankine cycle power systems are a promising technology for power generation from low-temperature heat sources such as waste heat and geothermal heat. A specific challenge in two-phase ...

Abstract: Two-phase turbines offer the potential to significantly enhance the performance of power generation and refrigeration systems. However, their development has been hindered by comparatively lower efficiencies resulting from ...

Abstract: Abstract. Meanline modeling is vital in turbomachinery design process, enabling accurate and computationally efficient performance analysis and design optimization. In gradient-based optimization, accurate derivatives are ...

Abstract: Abstract. Meanline modeling provides an effective tool for preliminary turbomachinery design, yet its integration with black-box optimization frameworks is often hindered by high computational costs and potential convergence ...

Abstract: Meanline models play a crucial role in turbine design and system-level analyses, facilitating rapid evaluation of design concepts and prediction of off-design performance. Most of the existing meanline methods are inadequate ...

Abstract: Abstract. Two-phase axial turbines offer a promising solution for improving the efficiency of energy conversion systems such as partial-evaporation organic Rankine cycles power systems, and refrigeration processes. However, ...

Abstract: The implementation of waste heat recovery units on oil and gas offshore platforms demands advances in both design methods and control systems. Modelbased control algorithms can play an important role in the operation of ...