Results 31 to 40 of about 50,563 (351)

Comparative Study of the Cross-Flow Heat and Mass Exchangers for Indirect Evaporative Cooling Using Numerical Methods

Energies, 2018
This paper presents a comparative study of the cross-flow regenerative heat and mass exchanger (HMX) and the conventional cross-flow HMX for indirect evaporative cooling (IEC) with numerical methods.
Yugang Wang, Xiang Huang, Li Li
doaj   +1 more source

Improving the performance of LOX/kerosene upper stage rocket engines

Propulsion and Power Research, 2017
Improved liquid rocket engine cycles were proposed and analyzed via comparison with existing staged combustion and gas-generator cycles. The key features of the proposed cycles are regenerative cooling of thrust chamber by oxygen and subsequent use of ...
IgorN. Nikischenko, Raymond D. Wright, Roman A. Marchan   +2 more
doaj   +1 more source

Numerical Study on Flow and Heat Transfer of Supercritical Hydrocarbon Fuel in Curved Cooling Channel

Applied Sciences, 2022
The fluid flow and heat transfer of hydrocarbon fuel play a significant role in developing regenerative cooling technology for advanced aeroengines. Numerical simulations have been conducted to investigate the flow and heat transfer characteristics of ...
Ying Zhang, Yong Cao, Keyu Gong, Shuyuan Liu, Limin Wang, Zhengchun Chen   +5 more
doaj   +1 more source

Transcritical Behavior of Methane in the Cooling Jacket of a Liquid-Oxygen/Liquid-Methane Rocket-Engine Demonstrator

Energies, 2022
The successful design of a liquid rocket engine is strictly linked to the development of efficient cooling systems, able to dissipate huge thermal loads coming from the combustion in the thrust chamber.
Daniele Ricci, Francesco Battista, Manrico Fragiacomo   +2 more
doaj   +1 more source

Thermal-Structural Analysis of Regenerative Cooled Scramjet [PDF]

Modern Applied Science, 2010
A numerical model is developed to quantitative evaluation of the thermal and structural characteristics of the regenerative cooled scramjet engine. The three-dimensional internal CFD platform for scramjet and the computational program of domestic aviation kerosene properties are incorporated together to develop three dimensional thermal evaluation code.
Jin Jiang, Ruoling Zhang, Feng Wang
openaire   +1 more source

Thermal Behaviour of the Cooling Jacket Belonging to a Liquid Oxygen/Liquid Methane Rocket Engine Demonstrator in the Operation Box

Aerospace, 2023
The cooling jackets of liquid rocket engines are composed of narrow passages surrounding the thrust chambers and ensure the reliable operation of the engine.
Daniele Ricci, Francesco Battista, Manrico Fragiacomo, Ainslie Duncan French   +3 more
doaj   +1 more source

A Simplified Thermal Analysis Model for Regeneratively Cooled Rocket Engine Thrust Chambers and Its Calibration with Experimental Data

Aerospace, 2023
An essential part of the design of a liquid rocket engine is the thermal analysis of the thrust chamber, which is a component whose operative life is limited by the maximum allowable wall temperature and heat flux.
Matteo Fagherazzi, Marco Santi, Francesco Barato, Marco Pizzarelli   +3 more
doaj   +1 more source

Monitoring of climate variables in semi-closed greenhouses [PDF]

, 2011
Growers and Dutch government have concluded a covenant in which they express the ambition to reduce the carbon footprint of greenhouse production in order to improve the energy neutrality of newly built greenhouses.
Campen, J.B., Dieleman, J.A., Garcia Victoria, N., Gieling, T.H., Janssen, H.J.J., Kempkes, F.L.K., Kromwijk, J.A.M., Raaphorst, M.G.M.   +7 more
core   +2 more sources

Seasonal Analysis Comparison of Three Air-Cooling Systems in Terms of Thermal Comfort, Air Quality and Energy Consumption for School Buildings in Mediterranean Climates

Energies, 2021
Efficient air-cooling systems for hot climatic conditions, such as Southern Europe, are required in the context of nearly Zero Energy Buildings, nZEB. Innovative air-cooling systems such as regenerative indirect evaporative coolers, RIEC and desiccant ...
María Jesús Romero-Lara, Francisco Comino, Manuel Ruiz de Adana   +2 more
doaj   +1 more source

An innovative pressure swing adsorption cycle [PDF]

, 2019
Over the last century, fresh water and cooling demand have been increased tremendously due to improved living standard, industrial and economic development.
Burhan, Muhammad, Ng, Kim Choon, Oh, Seung Jin, Shahzad, Muhammad Wakil, Ybyraiymkul, Doskhan   +4 more
core   +1 more source