Showing 1 - 10 of 482
The basic physical model of solar receiver pipe with solar selective coating is established, and associated heat transfer and exergetic performances are analyzed and optimized. Because of the heat losses of natural convection and infrared radiation, the energy absorption efficiency has a maximum...
Persistent link: https://www.econbiz.de/10010807044
This paper is a brief review of the method for analyzing the space and time dependent exergy and irreversibility fields …
Persistent link: https://www.econbiz.de/10010811889
In the design of solar air heaters (SAHs), channel depth is a principal variable to be fixed. In this paper, the effect of the channel depth on the energy gain of type I and type III SAHs has been investigated by computational fluid dynamics (CFD) simulations. Laminar model and k–ω turbulence...
Persistent link: https://www.econbiz.de/10011055539
Different types of waste heat recovery technologies available onboard ships have been discussed from the perspective of technical principle and application feasibility. Study of basic principle, novel methods, existing designs, theoretical and experimental analyses, economics and feasibility are...
Persistent link: https://www.econbiz.de/10010608389
. The model has been adjusted in a turbocharger test bench for two different turbochargers, later on it has been validated … external heat flows among the different elements of the turbocharger, showing the operative points in which external heat …
Persistent link: https://www.econbiz.de/10010808333
friction losses of the bearings separately. Measuring the friction losses of a turbocharger is not easy and existing methods … measure only the total losses due to the association of journal and thrust bearings. A novel turbocharger test bench equipped …
Persistent link: https://www.econbiz.de/10010808587
Electricity supply in remote areas around the world is mostly guaranteed by diesel generators. This relatively inefficient and expensive method is responsible for 1.2 million tons of greenhouse gas (GHG) emission in Canada annually. Some low- and high-penetration wind–diesel hybrid systems...
Persistent link: https://www.econbiz.de/10010810422
The present work deals with the development of simple finite element (FE) models of a turbocharger (rotor, foundation … the monitoring of the real turbocharger. The third step is the accurate modelling of the foundations and the excitation … turbocharger with vibration data obtained on working conditions show some promising results. …
Persistent link: https://www.econbiz.de/10010749248
This paper investigates the effects of turbocharger on the performance of a diesel engine using diesel fuel and … 200rpm. Then, a turbocharger system was installed on the engine and the tests were repeated for both fuel cases. The …
Persistent link: https://www.econbiz.de/10010804447
Recently, there has been wide-ranging research on the idea of biomass fuel powered externally firing micro gas turbines; but only a small subset of these studies has used experimental work to evaluate the systems. These systems have not yet been employed in Malaysia for applications in thermal...
Persistent link: https://www.econbiz.de/10011045922