Results 41 to 50 of about 8,347,297 (348)

Thermoelectric efficiency of three-terminal quantum thermal machines [PDF]

, 2014
The efficiency of a thermal engine working in linear response regime in a multi-terminals configuration is discussed. For the generic three-terminal case, we provide a general definition of local and non-local transport coefficients: electrical and ...
Benenti, Giuliano, Bosisio, Riccardo, Fazio, Rosario, Giovannetti, Vittorio, Mazza, Francesco, Taddei, Fabio   +5 more
core   +6 more sources

Experimental Study of Electrical and Thermal Efficiencies of a Photovoltaic Thermal (PVT) Hybrid Solar Water Collector with and Without Glass Cover

Journal of Engineering, 2021
Investigating the thermal and electrical gains and efficiencies influence the designed photovoltaic thermal hybrid collector (PVT) under different weather conditions.
Hind Mohand Abbas, Issam Mohammed Ali, Hussein Mohammed Taqi Al-Najjar   +2 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

Nexus of thermal resilience and energy efficiency in buildings: A case study of a nursing home [PDF]

, 2020
Extreme weather events become more frequent and severe due to climate change. Although energy efficiency technologies can influence thermal resilience of buildings, they are traditionally studied separately, and their interconnections are rarely ...
Hong, T, Specian, M, Sun, K
core  

Heat absorption properties of ground material for solar chimney power plants [PDF]

, 2016
One of the major challenges to the widespread application of the solar chimney power plant is its low-power conversion efficiency because of the three technological processes involved.
Al-Azawiey, S. S., Hassan, S. B.
core   +1 more source

Thermal efficiency improvement of super-lean burn spark ignition engine by stratified water insulation on piston top surface

International Journal of Engine Research, 2020
In order to improve thermal efficiency of spark ignition engine under super-lean burn conditions (excess air ratio λ ≈ 2 . 0 ), thermal stratification technique by in-cylinder water injection toward piston surface (stratified water insulated combustion ...
Tsuyoshi Nagasawa, Yuichi Okura, R. Yamada, Susumu Sato, H. Kosaka, T. Yokomori, N. Iida   +6 more
semanticscholar   +1 more source

Parametric assessment of a building active façade by means of a combined metallic sandwich panel with an unglazed solar collector [PDF]

, 2019
The building sector has a poor performance in terms of energy efficiency and is looking for alternatives to reduce the use of fossil fuels on building use stage.
Blanco, Jesús María, Chica, José Antonio, Elguezabal, Peru, Lopez, Alex   +3 more
core   +1 more source

Evaluation of the thermal efficiency of nanofluid flows in flat plate solar collector

Journal of Thermal Engineering
In this research, flat plate solar collectors (FPSC) were studied due to their simplicity, low maintenance, and cost-effectiveness. The study focused on comparing FPSC thermal performance using CuO/H2O nanofluids.
A. Hussein, A. Awad, Hussein Hayder Mohammed Ali   +2 more
semanticscholar   +1 more source

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

Single shot cathode transverse momentum imaging in high brightness photoinjectors [PDF]

, 2020
In state of the art photoinjector electron sources, thermal emittance from photoemission dominates the final injector emittance. Therefore, low thermal emittance cathode developments and diagnostics are very important.
Chen, Y, Filippetto, D, Gross, M, Huang, PW, Isaev, I, Koschitzki, C, Krasilnikov, M, Lal, S, Li, X, Lishilin, O, Melkumyan, D, Niemczyk, R, Oppelt, A, Qian, H, Sannibale, F, Shaker, H, Shu, G, Stephan, F, Tang, C, Vashchenko, G, Wan, W   +20 more
core   +2 more sources