|
|
|
|
|
Olga Kulesha and Harsha Ratnaweera
The membrane bioreactor (MBR) and the biofilm membrane bioreactor (BF-MBR) are among key solutions to water scarcity; however, membrane fouling is the major bottleneck for any expansion of these technologies. Prepolymerized aluminum coagulants tend to ex...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jin Gao, Ziyi Kang, Weiheng Sun, Youyin Wang, Junlong Zhang and Wen Bao
With the in-depth research on hypersonic aerodynamics and hypersonic propulsion technology, humans are growing closer to space travel. Recent studies have shown that the pre-cooled air-turborocket (ATR) or turboexpander engines are some of the potential ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaoling Yang, Zhefeng Wang, Ze Zhang, Shuangtao Chen, Yu Hou and Liang Chen
As a requirement for sustainable development, air-cycle refrigeration has received wide attention as a candidate for environmentally friendly air conditioning technology. In this study, the thermodynamic performance of air refrigeration cycles is investi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jingtao Wu, Zhe Kang and Zhijun Wu
For the requirements of rigorous CO2 and emissions regulations, steam assist technology is an effective method for thermal efficiency enhancement. However, few studies apply steam assist technology in modern internal combustion engines. Stimulated by its...
ver más
|
|
|
|
|
|
|
|
|
|
|
Michael Adedeji, Muhammad Abid, Humphrey Adun, Ayomide Titus Ogungbemi, David Alao and Juliana Hj Zaini
A combined heat and power (CHP) system powered by methane gas is modelled and analyzed in this study. The Thermolib MATLAB extension is used to model the system by graphically connecting the Thermolib standard components through fluid flows. An exergoenv...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mohammad Saad Salim, Muhammad Saeed and Man-Hoe Kim
This paper presents performance analysis results on supercritical carbon dioxide (sCO2" role="presentation">??????2sCO2
s
C
O
2
) re-compression Brayton cycle. Monthly exergy destruction analysis was conducted to find the effects of different ambient and...
ver más
|
|
|
|
|
|
|
|
|
|
|
Javier Alejandro Hernández-Magallanes, Jonathan Ibarra-Bahena, Wilfrido Rivera, Rosenberg J. Romero, Efraín Gómez-Arias, Ulises Dehesa-Carrasco, Orlando Miguel Espinoza-Ojeda and Sanal Kozhiparambil Chandran
A thermodynamic analysis of a half-effect absorption cooling system powered by a low-enthalpy geothermal source was carried out. This paper presents modeling of the half-effect absorption cooling system operating with an ammonia/lithium nitrate mixture a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Koji Kinomura and Tetsuya Ishida
Although applications of low water-to-cement ratio mixtures to practical structures have been increasing to enhance seismic resistance and long-term durability in recent years, it was experimentally observed that such a mixture causes peculiar hydration ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Eric S. Hendricks and Justin S. Gray
Aviation researchers are increasingly focusing on unconventional vehicle designs with tightly integrated propulsion systems to improve overall aircraft performance and reduce environmental impact. Properly analyzing these types of vehicle and propulsion ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alessio Caravella, Adele Brunetti, Monia Grandinetti and Giuseppe Barbieri
-
|
|
|
|
|
|
|
|
|
|
|
Navid Abdollahi, Ramin Haghighi-Khoshkhoo
Pág. 65 - 73
The evaluation of heat transfer and fluid mechanics mechanisms to increase the thermal efficiency and combustion quality in heavy industries, such as power plants, are important and significant issues in the field of engineering sciences, which can lead ...
ver más
|
|
|
|
|
|
|
|
|
|
|
|
Urban ?var Ba?kovic, Rok Vihar, Igor Mele and Toma? Katra?nik
An innovative computationally efficient method for the simultaneous determination of top dead centre (TDC) offset and pressure offset is presented. It is based on characteristic deviations of the rate of heat release (ROHR) that are specific for both off...
ver más
|
|
|
|
|
|
|
|
|
|
|
Laura Nebot-Andrés, Rodrigo Llopis, Daniel Sánchez, Jesús Catalán-Gil and Ramón Cabello
A recent trend to spread the use of CO2 refrigeration cycles in warm regions of the world is to combine a CO2 cycle with another one using a high performance refrigerant. Two alternatives are being considered: cascade and mechanical subcooling systems. B...
ver más
|
|
|
|
|
|
|
|
|
|
|
Uwem Jimmy, Mohanned Mohamedali and Hussameldin Ibrahim
-
|
|
|
|
|
|
|
|
|
|
|
Wenhao Wang, Fuzhong Wu, Keke Wang and Huixin Jin
Various approaches to flue gas desulfurization by low-grade manganese and high efficiency desulfurization in sintering enterprises were investigated, and the predominance areas of the Mn/Fe-S-O system were constructed in this paper. Additionally, the are...
ver más
|
|
|
|
|
|
|
|
|
|
|
Masoud Yousefi, Misagh Moradali
In this paper, the thermodynamic performance of a direct expansion solar assisted heat pump (DX-SAHP), which is used to heat domestic water from 20°C to 45°C, is theoretically investigated. The system includes a 3m2 single-cover flat plate solar collecto...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ligang Wang, Yongping Yang, Tatiana Morosuk and George Tsatsaronis
A conventional exergy analysis can highlight the main components having high thermodynamic inefficiencies, but cannot consider the interactions among components or the true potential for the improvement of each component. By splitting the exergy destruct...
ver más
|
|
|
|
|
|
|
|
|
|
|
N. Yu. Filonenko,O. Yu. Bereza
Pág. 225 - 227
The thermodynamic functions of iron boride and carbon-alloyed one Fe2(??) are considered. It is shown that iron boride Fe2B is quite thermodynamically stable within the temperature range from 1023 to 1223 K.
|
|
|
|
|
|
|
|
|
|
|
Geoffrey P. Hammond and Adrian B. Winnett
The influence of thermodynamics on the emerging transdisciplinary field of 'ecological economics? is critically reviewed from an interdisciplinary perspective. It is viewed through the lens provided by the 'bioeconomist' Nicholas Georgescu-Roegen (1906?1...
ver más
|
|
|
|
|
|