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Roberta Masci and Enrico Sciubba
Modern gas turbine firing temperatures (1500?2000 K) are well beyond the maximum allowable blade material temperatures. Continuous safe operation is made possible by cooling the HP turbine first stages, nozzle vanes and rotor blades, with a portion of th...
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Michele Melchiorri, Martino Pesaresi, Aneta J. Florczyk, Christina Corbane and Thomas Kemper
The Global Human Settlement Layer (GHSL) produces new global spatial information, evidence-based analytics describing the human presence on the planet that is based mainly on two quantitative factors: (i) the spatial distribution (density) of built-up st...
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Marcin Noga
The paper presents the results of research on the turbocharged spark ignition engine with additional exhaust expansion in a separate cylinder, which is commonly known as the five-stroke engine. The research engine has been constructed based on the four c...
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Young Min Kim, Dong Gil Shin and Chang Gi Kim
This study investigated the effect of the built-in volume ratio of an expander on the performance of a dual-loop Rankine cycle system for the engine waste heat recovery of a vehicle. Varying vehicle operating conditions can cause a positive displacement ...
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Sung-Wei Hsu, Hsiao-Wei D. Chiang and Chih-Wei Yen
In this study, the authors experimentally investigate the performance of the organic Rankine cycle (ORC) and screw expander under the influence of supply pressure and pressure ratio over the expander. Three tests were performed with expander pressure ra...
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Marco Zitti, Carlotta Ferrara, Luigi Perini, Margherita Carlucci and Luca Salvati
The present study illustrates a multidimensional analysis of an indicator of urban land use efficiency (per-capita built-up area, LUE) in mainland Attica, a Mediterranean urban region, along different expansion waves (1960?2010): compaction and densifica...
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Hadi Heidari, Baptiste Francois and Casey Brown
Reservoir expansion is commonly considered an adaptation strategy to attenuate water shortage conditions. In many locations in the United States, there are ongoing discussions about the effectiveness and feasibility of reservoir expansion with regard to ...
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Fathista Vistarani Dwi Octaviani
Pág. 346 - 351
Efisiensi Bank Pembangunan Daerah (BPD) yang di gambarkan oleh rasio BOPO selama tahun 2013 hingga 2015 menunjukkan inefisiensi bank yang selalu meningkat. Perluasan area operasional yang dilakukan oleh BPD tentunya membawa konsekuensi pada efisiensi BPD...
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Mengying Li and Noam Lior
Enhanced geothermal systems (EGS) extract heat from underground hot dry rock (HDR) by first fracturing the HDR and then circulating a geofluid (typically water) into it and bringing the heated geofluid to a power plant to generate electricity. This study...
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Sang Hyun Lee, Dong-Ha Lim and Kyungtae Park
In this study, exergy and economic analysis were conducted to gain insight on small-scale movable LNG liquefaction considering leakage. Optimization and comparison were performed to demonstrate the quantitative results of single mixed refrigerant, dual n...
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Jun Li, Javed Iqbal Tanoli, Miao Zhou and Filip Gurkalo
Based on an improved genetic algorithm and debris flow disaster monitoring network, this study examines the monitoring and early warning method of debris flow expansion behavior, divides the risk of debris flow disaster, and provides a scientific basis f...
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Guangji Tong, Rui Hong and Lei Shi
Fruit and vegetable products, integral to human nutrition, play a vital role in dietary patterns. Moreover, the Regional Comprehensive Economic Partnership (RCEP) region, a critical market for Chinese fruit and vegetable exports, has observed the growing...
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Bruno Ribeiro Marques,Odilon Cavallari de Oliveira,Paulo Cavichioli Carmona
The purpose of this article is to analyze whether expansion allowed cases for design-build biddings might improve positive impacts on the efficiency of public procedures. Hence, both Brazilian and international experiences will be studied with attention ...
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Liangtian Wang, Jie Zhou, Yuexin Chang and Hao Xu
In recent years, electrochemical descaling technology has gained widespread attention due to its environmental friendliness and ease of operation. However, its single-pass removal efficiency could be higher, severely limiting its practical application. T...
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J. Feo-García, A. Pulido-Alonso, A. Florido-Betancor and N. R. Florido-Suárez
The analysis of energy consumption in reverse osmosis desalination plants is the most important and relevant factor to study, because this parameter indicates the level of efficiency and competitiveness of the plant. The direct consequence of the high sp...
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Noori Y. Abdul-Hassan, Zainab J. Kadum and Ali Hasan Ali
In this paper, we propose a new numerical scheme based on a variation of the standard formulation of the Runge?Kutta method using Taylor series expansion for solving initial value problems (IVPs) in ordinary differential equations. Analytically, the accu...
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Shaomin Teng, Yangfan Cao, Ying Zhao, Liqi Qiu, Xieliang Zhang, Penghui Yao and Decheng Wang
In this study, a tree-whitening machine was designed based on the collaborative operation of multiple spray nozzles. This research utilized infrared ranging, ultrasonic detection, and spraying devices in order to realize the accurate spraying of trees an...
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Tu D. Q. Le, Tin H. Ho, Dat T. Nguyen and Thanh Ngo
The expansion of fintech credit around the world is challenging the global banking system. This study investigates the interrelationships between the development of fintech credit and the efficiency of banking systems in 80 countries from 2013 to 2017. T...
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Dimitrios N. Konispoliatis
The present study explores the performance of an array of cylindrical oscillating water column (OWC) devices, having a vertical symmetry axis, placed in front of a bottom seated, surface piercing, vertical breakwater. The main goal of this study is the i...
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