Results 41 to 50 of about 356,951 (168)

Physics-Based Modelling for On-Line Condition Monitoring of a Marine Engine System

Journal of Marine Science and Engineering, 2023
The engine system is critical for a marine vehicle, and its performance significantly affects the efficiency and safety of the whole ship. Due to the harsh working environment and the complex system structure, a marine system is prone to have many kinds ...
Chao Fu, Kuan Lu, Qian Li, Yuandong Xu, Fengshou Gu, Andrew D. Ball, Zhaoli Zheng   +6 more
doaj   +1 more source

Comparative Study on Health Monitoring of a Marine Engine Using Multivariate Physics-Based Models and Unsupervised Data-Driven Models

Machines, 2023
The marine engine is a complex-structured multidisciplinary system that operates in a harsh environment involving high temperatures and pressures and gas/fluid/solid interactions.
Chao Fu, Xiaoxia Liang, Qian Li, Kuan Lu, Fengshou Gu, Andrew D. Ball, Zhaoli Zheng   +6 more
doaj   +1 more source

Bounds on thermal efficiency from inference [PDF]

AIP Conference Proceedings, 2015
The problem of inference is applied to the process of work extraction from two constant heat capacity reservoirs, when the thermodynamic coordinates of the process are not fully specified. The information that is lacking, includes both the specific value of a temperature as well as the label of the reservoir to which it is assigned.
Johal, Ramandeep S., Rai, Renuka, Mahler, Guenter   +2 more
openaire   +2 more sources

Influence of usage and model inaccuracies on the performance of smart hot water heaters: lessons learned from a demand response field test

Frontiers in Energy Research
Domestic hot water heaters are considered to be easily integrated as flexible loads for demand response. While literature grows on reproducible simulation and lab tests, real-world implementation in field tests considering state estimation and demand ...
Peter Kepplinger, Peter Kepplinger, Gerhard Huber, Gerhard Huber, Markus Preißinger, Markus Preißinger   +5 more
doaj   +1 more source

Stochastic efficiency for effusion as a thermal engine [PDF]

EPL (Europhysics Letters), 2015
The stochastic efficiency of effusion as a thermal engine is investigated within the framework of stochastic thermodynamics. Explicit results are obtained for the probability distribution of the efficiency both at finite times and in the asymptotic regime of large deviations.
Proesmans, Karel, Cleuren, Bart, Broeck, Christian Van Den   +2 more
openaire   +2 more sources

Thermally efficient compact fluorescent fixtures [PDF]

Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting, 2002
A series of prototype fixtures that employ convective venting and heat sinking to reduce elevated lamp temperatures is described. Experimental data show that decreases in fixture efficiency can approach 20% due to elevated temperature conditions inside the lamp compartment.
Siminovitch, M.J., Rubinstein, R.E., Whiteman, R.E.   +2 more
openaire   +2 more sources

DISCUSSION. THE THERMAL EFFICIENCY OF STEAM ENGINES. [PDF]

Minutes of the Proceedings of the Institution of Civil Engineers, 1896
n ...
Baker, Sir B., Davey, H., Donkin, B., Carter, E. T., Sankey, H. R., Beaumont, W., Rumley, J. G. M., Schonheyder, W.   +7 more
openaire   +1 more source

A data-driven regression model for predicting thermal plant performance under load fluctuations

Carbon Neutrality
The global energy demand is still primarily reliant on fossil-fueled thermal power plants. With the growing share of renewables, these plants must frequently adjust their loads.
Gleb Prokhorskii, Souman Rudra, Markus Preißinger, Elias Eder   +3 more
doaj   +1 more source

An interpretable and adaptable data-driven model for performance prediction in thermal plants

Energy Conversion and Management: X
To safely operate complex industrial systems such as thermal power plants, establishing reliable monitoring tools is paramount for better understanding the underlying processes.
G. Prokhorskii, M. Preißinger, S. Rudra, E. Eder   +3 more
doaj   +1 more source

Efficient quantum thermal simulation

Nature
Abstract Quantum computers promise to tackle quantum simulation problems that are classically intractable 1 . Although a lot of quantum algorithms 2–4 have been developed for simulating quantum dynamics, a general-purpose method for ...
Chi-Fang Chen, Michael J. Kastoryano, Fernando G. S. L. Brandão, András Gilyén   +3 more
openaire   +3 more sources