Friction Factor Correlation for Regenerator Working in a Travelling-Wave Thermoacoustic System by Fatimah A. Z. Mohd Saat, Artur J. Jaworski

“…It provides the necessary contact surface and thermal capacity for the working gas to undergo a thermodynamic cycle under acoustic oscillatory flow conditions. …”
Get full text

System design of aircraft air conditioning system (1st report: Effect of component for high-pressure water separation on system operation) by Osamu SATO, Hiroshi IWAI, Hideo YOSHIDA

“…Since nowadays, 4-Wheel air-cycle has been a trend on the aircraft air conditioning system, this paper theoretically shows its advantage on the basis of the thermodynamic cycle study. In the following chapters, an analysis was conducted on the interaction between a reheater and a condenser when each heat transfer performance changes from the baseline operating point. …”
Get full text

Irreversible Thermodynamic Bound for the Efficiency of Light-Emitting Diodes by Xue, Jin, Li, Zheng, Ram, Rajeev J

“…We also model a LED as an endoreversible heat engine where the carrier-transport processes can be directly connected to the elements of a thermodynamic cycle.…”
Get full text
Get full text
Get full text
Get full text

Thermodynamic performance prediction of rhombic-drive beta-configuration Stirling engine by Mohd Farid, Zainudin, R. M., Faiz, R. A., Bakar, K., Kadirgama

“…A single-cylinder rhombic drive beta-configuration Stirling engine, heated and cooled at designated temperature, and fuelled with a fixed amount of Helium gas is used to predict and analyse the thermodynamic cycle performance. A general zero-dimensional numerical model is adapted throughout the prediction of Stirling engine performance. …”
Get full text

Otto Engine: Classical and Quantum Approach by Francisco J. Peña, Oscar Negrete, Natalia Cortés, Patricio Vargas

“…Finally, we show an example of a three-level system in which we compare two zones in the entropy diagram as a function of temperature and magnetic field to find which is the most efficient region when performing a thermodynamic cycle. This work provides a practical way to look for temperature and magnetic field zones in the entropy diagram that can maximize the power extracted from an Otto magnetic engine.…”
Get full text

Preliminary Design of Compact Condenser in an Organic Rankine Cycle System for the Low Grade Waste Heat Recovery by Roberto Capata, Erasmo Zangrillo

“…The aim of this paper is to present a thermodynamic cycle for the production of electrical power in the 2–5 kW range, suitable for all types of thermally propelled vehicles. …”
Get full text

Thermal energy storage as a way to improve transcritical CO2 heat pump performance by means of heat recovery cycles by Chiara Mancinelli, Michele Manno, Marco Salvatori, Alessandro Zaccagnini

“…This study presents a model of a water-heater CO2 transcritical heat pump in a configuration that increases the overall coefficient of performance (COP) by introducing thermal energy storage (TES). The thermodynamic cycle was divided into two separate phases. …”
Get full text

Thermodynamic Efficiency of an Advanced 4th Generation VHTR Propulsion Engine for Large Container Ships by Głuch Jerzy, Kodlewicz Tomasz, Drosińska-Komor Marta, Ziółkowska Natalia, Breńkacz Łukasz, Ziółkowski Paweł

“…The study focuses on a propulsion engine system with features such as extraction control, bypass control, and either one or two turbines. The direct thermodynamic cycle of the VHTR offers high efficiency, smaller sizes, and flexible power control, thus eliminating the need for helium storage and enabling rapid power changes. …”
Get full text

An Analysis of Pumped Thermal Energy Storage With De-coupled Thermal Stores by Tristan R. Davenne, Benjamin M. Peters

“…PTES uses a theoretically reversible thermodynamic cycle involving compression and expansion stages with constant pressure heat addition and rejection to hot and cold thermal stores. …”
Get full text

Hybrid Carbon Dioxide Heat Pump for the Multifamily Residential Buildings in the Heat Supply System Based on CHP by Sit M.L., Juravliov A.A.

“…The significance of the results obtained consisted in obtaining the dependences between the CO temperature graph and the parameters of the thermodynamic cycle of the heat pump, which ensured the operation of the control valve of the heat pump in a single-phase environment.…”
Get full text

Evolutionary sequence and structural basis for the distinct conformational landscapes of Tyr and Ser/Thr kinases by Joan Gizzio, Abhishek Thakur, Allan Haldane, Carol Beth Post, Ronald M. Levy

“…Here we investigate the structural basis for this phenomenon by integrating the sequence-based model with structure-based molecular dynamics (MD) to determine the effects of mutations on the free energy difference between active and inactive conformations, using a thermodynamic cycle involving many (n = 108) protein-mutation free energy perturbation (FEP) simulations in the active and inactive conformations. …”
Get full text

Dynamic Modeling and Preliminary Performance Analysis of a New Solar Thermal Reverse Osmosis Desalination Process by Clément Lacroix, Maxime Perier-Muzet, Driss Stitou

“…This pressurization is enabled thanks to a piston or a membrane set in motion in a reservoir by a working fluid that follows a thermodynamic cycle similar to an Organic Rankine Cycle. …”
Get full text

Impact of Condensation on the System Performance of a Fuel Cell Turbocharger by Sebastian Lück, Tim Wittmann, Jan Göing, Christoph Bode, Jens Friedrichs

“…The iterative calculation approach is well suited to show the impact of condensation and moist air on the steady state thermodynamic cycle and yields a significant shift of the steady state operating line towards the surge line. …”
Get full text

Preliminary Design and Simulation of a Thermal Management System with Integrated Secondary Power Generation Capability for a Mach 8 Aircraft Concept Exploiting Liquid Hydrogen by Davide Ferretto, Nicole Viola

“…The TMS concept described in this paper makes benefit of the connection between the propellant storage and distribution subsystems of the aircraft to exploit hydrogen vapors and liquid flow as the means to drive a thermodynamic cycle able, on one hand, to ensure engine feed and thermal control of the cabin environment, while providing, on the other hand, the necessary power for other on-board systems and utilities, especially during the operation of high-speed propulsion plants, which cannot host traditional generators. …”
Get full text

Optimal Scheduling for a District Cooling System with Chilled Water Storage: Comparative Assessment of Vapour Compression and Absorption Refrigeration Cycles by Alexios-Spyridon Kyriakides, Athanasios I. Papadopoulos, Sambhaji T. Kadam, Muhammad Saad Khan, Ibrahim Hassan, Panos Seferlis

“…In published literature the vast majority of the studies employ simplified mathematical models in order to describe the thermodynamic cycle used and only a handful of studies take into account the actual dynamics of the system transition from one state to the other as well as the time delay attributed to the cooling medium transfer through the network. …”
Get full text

A Method and System for Combining the Advantages of Gasoline Compression Ignition (GCI) Engine Technologies into Hybrid Electric Vehicles (HEVs) by Hyun Woo WON

“…By combining a clean fuel such as gasoline with a high efficiency thermodynamic cycle (compression ignition), it is possible to demonstrate a powertrain that is clean and efficient, thus breaking the historical trade-off between decreasing CO₂ and reducing criteria pollutants. …”
Get full text

Combustion Test for the Smallest Reciprocating Piston Internal Combustion Engine with HCCI on the Millimeter Scale by Huichao Shang, Li Zhang, Zhigang Tang, Jinlin Han, Yingzhang Wang, Tao Zhang

“…It is observed that the HCCI combustion mode at the millimeter scale can realize stable combustion with excellent cooperation for the thermodynamic cycle under appropriate structural and operating conditions, which is essentially not inferior to those in conventional-sized reciprocating piston internal combustion engines. …”
Get full text

Three-Dimensional Optimization of Blade Lean and Sweep for an Axial Compressor to Improve the Engine Performance by M. Heidarian Shahri, A. Madadi, M. Boroomand

“…The engine is modeled by analyzing the Brayton thermodynamic cycle of the assumed turbojet engine under design point operating conditions. …”
Get full text

Thermodynamic analysis of the Compressed Air Energy Storage system coupled with the Underground Thermal Energy Storage by Hyrzyński Rafał, Ziółkowski Paweł, Gotzman Sylwia, Kraszewski Bartosz, Badur Janusz

“…A key aspect of CAES is the optimal configuration of the thermodynamic cycle. In this paper, the situation of cooperation between the current conventional power plants and wind farms is first analysed, and then, based on thermodynamic models, the process of storing thermal and electrical energy in the CAES system coupled with heat recovery after the gas turbine is analysed. …”
Get full text

INCREASING THE WORKING EFFICIENCY OF SOLAR POWER ABSORPTION REFRIGERATOR UNITS by M. F. Rudenko, Yu. V. Shipulina, M. Sh. Karimov, A. M. Rudenko

“…Exergetic coefficient dependencies are determined according to the developed software algorithm based on a simplified thermodynamic cycle. The areas of possible application and use of solar power refrigerator units with the studied working pairs are determined.Conclusion. …”
Get full text