Results 71 to 80 of about 52,495 (177)

Cryogenic Propellant Scavenging [PDF]

A detailed description of a computer model that has been developed for assessing the feasibility of low g cryogen propellant scavenging from the space shuttle External Tank (ET) is given.
Daney, D. E., Kemp, N. J., Louie, B.
core   +1 more source

Internal Design of a Hydroponics Greenhouse for Tri Cycle Farms [PDF]

, 2019
Hydroponics is the agricultural technique of growing plants without soil, using other growing media and added nutrients in a solvent. It is an attractive agricultural method over conventional agriculture because it is more water efficient, is less labor ...
Gould, Sarah
core   +2 more sources

Thermal Management Performance of Phase Change Material Coupled with Heat Pipe for Photovoltaic Modules: Experimental Exploration

Energies
Solar photovoltaic (PV) power generation has become an important source of global renewable energy. The photoelectric conversion efficiency of crystalline silicon PV modules decreases as their surface temperature rises, while excessively high operating ...
Liang Tang, Rumei Yang, Peixian Zuo, Ziyu Leng, Xuanxun Zhou, Jinwei Li, Xiaoling Cao   +6 more
doaj   +1 more source

Advanced spacecraft thermal control techniques [PDF]

The problems of rejecting large amounts of heat from spacecraft were studied. Shuttle Space Laboratory heat rejection uses 1 kW for pumps and fans for every 5 kW (thermal) heat rejection. This is rather inefficient, and for future programs more efficient
Fritz, C. H.
core   +1 more source

Energy performance assessment of HVAC systems by inspection and monitoring [PDF]

, 2010
The paper discusses the collection and processing of energy performance data as part of the inspection of HVAC systems, aimed at identifying technically feasible and cost-effective Energy Conservation Opportunities (ECO), as required by EPBD.
Masoero, Marco Carlo, Silvi, Chiara, Toniolo, Jacopo   +2 more
core  

Improving thermal efficiency using vibration monitoring and nanofluids in solar evacuated tube collectors

Results in Engineering
Numerous researches have been carried out developing different strategies, including alternative occupied fluids, concentrators, and absorber design adjustments, to enhance the efficiency of thermal evacuated tube collectors of solar thermal.
T. Sathish, R. Saravanan
doaj   +1 more source

Team One Carbon Catcher Design Report [PDF]

, 2020
Overview The burning of fossil fuels largely contributes to the increase of CO2 in the atmosphere. The US Department of Transportation alone contributed almost 6 million metric tons of carbon dioxide emissions in 2018 (EIA).
Brusa, Josh, Chow, Russell, Cortez, Justin, Garcia, Ohtli, Hoang, Hung, Ibarra, John, Jiang, Liruilin, Klinge, Benjamin, Lee, Chak Yin Jeffrey, Mammano, Dominic, Muktevi, Sai, Pham, Brian, Pham, Donny, Shah, Vishwa Darshak, Trinh, Minh, Truong, Amber, Yu, Cliff   +16 more
core  

Effects of wall material, working fluid, and barriers on performance of a nano flat-plate heat pipe: Molecular dynamics simulation

Case Studies in Thermal Engineering
The use of microscale heat generating or heat transfer equipment with higher capacity and smaller dimensions requires more accurate management and better disposal of their produced heat.
Zhi-Wei He, Ali Basem, As'ad Alizadeh, Hadeel Kareem Abdul-Redha, Gholamreza Ahmadi, Soheil Salahshour   +5 more
doaj   +1 more source

Design and evaluation of fluidized bed heat recovery for diesel engine systems [PDF]

The potential of utilizing fluidized bed heat exchangers in place of conventional counter-flow heat exchangers for heat recovery from adiabatic diesel engine exhaust gas streams was studied.
Hamm, J. R., Lippert, T. E., Newby, R. A., Vidt, E. J.   +3 more
core   +1 more source

Reducing the Amount of Microbiological Growth Using Ultrasonic Treatment [PDF]

, 1991
This thesis explored the possibility of using ultrasonic treatment to reduce the amount of microbiological growth in a sample of contaminated mill wastewater.
Gill, Mark
core   +1 more source