Efficiencies and Work Losses for Cycles Interacting with Reservoirs of Apparent Negative Temperatures by Henning Struchtrup

“…</i> <b>2018</b>, <i>120</i>, 250602]. Thermodynamic cycles operating between a classical reservoir and an inverted state reservoir seem to have thermal efficiencies at or even above unity. …”
Get full text

Organic Rankin and Brayton-Joule, a Comprehensive Library for Integrating Conventional and Renewable Energy Generation by Salah Al-Haidari Zaid, Razzaq Abbas Noor, Abdullah Al-Sadiq Kazem Fahd Abu, Ramadhan Ali J., Al-Mahdawi H. K.

“…The thermodynamic cycles for energy generation are the baseline for development in different types of energy generation, and they are the primary principle for the mix of fossil and renewable energy. …”
Get full text

FUNDAMENTALS OF ENGINEERING THERMODYNAMICS / by Babu, V., author

Low-grade heat conversion into electricity by thermoelectric and electrochemical systems by Lee, Dongwook, Ph. D. Massachusetts Institute of Technology

Get full text

Determination of Rapid-Equilibrium Kinetic Parameters of Ordered and Random Enzyme-Catalyzed Reaction A + B = P + Q by Alberty, Robert A.

“…Equilibrium constants that are not in the rate equation can be calculated for random mechanisms using thermodynamic cycles. This treatment is based on the use of a computer to derive rate equations for three mechanisms and to estimate the kinetic parameters with the minimum number of velocity measurements. …”
Get full text

The reversed chemical engine cycle with application to desalination processes by Qureshi, Muhammad Bilal, Zubair, Syed M., Thiel, Gregory Parker, Lienhard, John H.

“…In this paper, a novel thermodynamic cycle is proposed, termed the reversed chemical engine cycle. …”
Get full text

The adsorption and desorption processes of organic working fluids R1234yf, R134a, R32 in MOF-5 and Co-MOF-74: a molecular simulation study by Xinping Chen

“…The combination of nanoporous materials with organic working fluids holds the promise of further enhancing the performance of refrigerants based thermodynamics cycles. In this study, the adsorption and desorption properties of several organic refrigerants, e.g., R1234yf, R134a, R32, and their mixtures in metal-organic framework materials MOF-5 and Co-MOF-74 are investigated via molecular dynamics methods. …”
Get full text

Methods to Increase the Robustness of Finite-Volume Flow Models in Thermodynamic Systems by Sylvain Quoilin, Ian Bell, Adriano Desideri, Pierre Dewallef, Vincent Lemort

“…This kind of model is particularly useful when modeling 1D heat exchangers or piping, e.g., in thermodynamic cycles involving a phase change. Issues, such as chattering or stiff systems, can lead to low simulation speed, instabilities and simulation failures. …”
Get full text

Performance comparison of transcritical cycle and organic Rankine cycle coupled with Chingshui geothermal reservoir by Lin Jun-Han, Hsieh Jui-Ching, Yeh Tzu-Chuan

“…In the present study, a numerical model Chingshui reservoir based on geological conditions is developed by using a thermal-hydraulic-mechanical (THM) model in the COMSOL to evaluate the depth’s effect of the production well on the different binary cycles. The thermodynamic cycles of two configurations, namely the organic Rankine cycle (ORC) and transcritical Rankine cycle (TRC), are established by using MATLAB and coupled with the Chingshui reservoir through the COMSOL Livelink module. …”
Get full text

Effect of the working fluids critical temperature on thermal performance for trilateral flash cycle and organic Rankine cycle by Attila R. Imre, Aram M. Ahmed

“…The critical temperature (Tcr) is one of the important thermophysical properties of the working fluid, and it has a crucial effect on the output parameters of thermodynamic cycles used for power generation. This study aims to show the effect of the working fluids Tcr on the cycle thermal performance (thermal efficiency (ηth) and net-work output (Wnet) at the same heat source/heat sink temperature. …”
Get full text

Thermodynamics of Potential CHO Metabolites in a Reducing Environment by Jeremy Kua, Alexandra L. Hernandez, Danielle N. Velasquez

“…By framing our analysis in terms of the simplest feasible cycle and its permutations, we analyze potentially favorable thermodynamic cycles for CO₂ fixation with H₂ as a reductant. …”
Get full text

Heat pumps for wood drying – New developments and preliminary results by Vasile Minea

“…The current research program aims at diversifying the applicable thermodynamic cycles, testing new environmentally friendly refrigerants and advanced components, and developing more advanced drying control strategies. …”
Get full text

Entransy, Entransy Dissipation and Entransy Loss for Analyses of Heat Transfer and Heat-Work Conversion Processes by XueTao CHENG, XinGang LIANG

“…For the discussed thermodynamic cycles, it was found that larger entransy loss leads to larger output work.…”
Get full text

Motor and thermodynamic losses in linear cryocooler compressors by Reed, J, Bailey, P, Daddl, M, Davis, T

“…Stirling cycle and Pulse Tube cryocoolers can be described by ideal thermodynamic cycles with discrete losses, however experiments show a systematic underestimate of power consumed. …”

Bubble columns for condensation at high concentrations of noncondensable gas: Heat-transfer model and experiments by Narayan, G. Prakash, Sharqawy, Mostafa H., Lam, Steven, Das, Sarit K., Lienhard, John H.

“…Carrier gas based thermodynamic cycles are common in water desalination applications. …”
Get full text
Get full text

An electrochemical system for efficiently harvesting low-grade heat energy by Lee, Seok Woo, Yang, Yuan, Lee, Hyun-Wook, Ghasemi, Hadi, Kraemer, Daniel, Chen, Gang, Cui, Yi

“…An alternative approach is to explore thermodynamic cycles. Thermogalvanic effect, the dependence of electrode potential on temperature, can construct such cycles. …”
Get full text
Get full text

Development of a Semi-Empirical Model for Estimating the Efficiency of Thermodynamic Power Cycles by Evangelos Bellos

“…Moreover, separate equations are provided for all of the examined thermodynamic cycles.…”
Get full text

Thermodynamics Evaluation of Selective Hydride Reduction for α,β-Unsaturated Carbonyl Compounds by Bao-Long Chen, Sha Jing, Xiao-Qing Zhu

“…Their hydrogen atom affinity, along with the hydrogen atom affinity and proton affinity of the corresponding radical anion, is also derived separately based on thermodynamic cycles. The above data are used to establish the corresponding “Molecule ID Card” (Molecule identity card) and analyze the reduction mechanism of unsaturated carbonyl compounds. …”
Get full text

Thermodynamic analysis and material design to enhance chemo-mechanical coupling in hydrogels for energy harvesting from salinity gradients by Zhang, Sui, Lin, Shaoting, Zhao, Xuanhe, Karnik, Rohit

“…Mathematical modeling revealed the effect of parameters including the charge and elastic modulus of hydrogels, applied pressure, and the solution salinity on energy conversion using different thermodynamic cycles. With proper material design and process control, the thermodynamic efficiency of an ideal process was predicted to exceed 5% with 10 mM and 600 mM NaCl solutions. …”
Get full text

Periodically refreshed quantum thermal machines by Archak Purkayastha, Giacomo Guarnieri, Steve Campbell, Javier Prior, John Goold

“…These QTMs are based on single-stroke thermodynamic cycles realized by the non-equilibrium steady state (NESS) of the so-called Periodically Refreshed Baths (PReB) process. …”
Get full text