scholarly journals Thermal optimization for the tangential swirl burner at the rotary furnace of steel pipe industry to save energy and reduce emissions

2021 ◽  
Author(s):  
Mohammad Hatami ◽  
Abbas Heydari
Keyword(s):  
Rotary Furnace ◽  
Steel Pipe ◽  
Swirl Burner ◽  
Thermal Optimization ◽  
Reduce Emissions ◽  
Save Energy

Reduce Emissions and Save Energy by Converting Flared Gases into Fuel Gases

2018 ◽  
Author(s):  
Venugopal Bakthavachsalam ◽  
Sevideen Abdul Shathar
Keyword(s):  
Reduce Emissions ◽  
Save Energy

scholarly journals Research On Wave Energy Generation Technology

2020 ◽  
Vol 165 ◽  
pp. 01021
Author(s):  
Yang Yuxin ◽  
Jin Zhemin
Keyword(s):  
Power Generation ◽  
Wave Energy ◽  
Energy Generation ◽  
Wave Power ◽  
Human Society ◽  
Marine Energy ◽  
Reduce Emissions ◽  
Save Energy ◽  
Generation Technology ◽  
Wave Power Generation

With the increasingly serious environmental pollution and the intensified energy war, the all-round development and utilization of marine energy will become an indispensable key link in China’s implementation of the maritime power strategy. In recent years, with the support of the state, China’s wave energy generation technology has made a key breakthrough.In order to protect the environment, save energy and reduce emissions, and promote the utilization of wave energy, this paper reviews the development history of application generation technology, summarizes its development from two aspects of optimization and application of wave energy conversion devices, and analyses the application examples of wave energy generation devices on ships. This paper summarizes the application trend of wave power generation devices on ships: wave power generation should be used as auxiliary and domestic electricity for ships and wave energy should be combined with other new energy sources. Wave energy application in marine power generation can effectively reduce emissions from ships, which is conducive to the sustainable development of human society.

scholarly journals Research on Travel Behavior with Car Sharing under Smart City Conditions

2021 ◽  
Vol 2021 ◽  
pp. 1-13
Author(s):  
Zhimin Tao ◽  
Quan Nie ◽  
Weibin Zhang
Keyword(s):  
Influencing Factors ◽  
Travel Behavior ◽  
Traffic Congestion ◽  
Logit Model ◽  
Mixed Logit ◽  
Sustainable Transportation ◽  
Utilization Rate ◽  
Car Sharing ◽  
Reduce Emissions ◽  
Save Energy

As a sustainable transportation system, car-sharing schemes have been attracting increasing attention. A large amount of research and practice has proved that the application and promotion of car sharing can help reduce the number of private cars purchased, increase the utilization rate of automobiles, effectively alleviate traffic congestion, save energy, and reduce emissions. Therefore, research on car sharing is imperative. The logit model is widely used in studies on car sharing and is an effective tool for analyzing traffic problems. This study first introduces the status of research into car sharing and analyzes the potential users and market prospects for shared cars. The study then provides the results from a questionnaire survey in Nanjing, China, to obtain sample data. Finally, a mixed logit model is established to analyze the influencing factors of car-sharing selection behavior. The results show that factors such as an individual’s housing situation and income significantly affect car-sharing decisions and that respondents who choose to use shared cars are relatively similar to commuters. The main contribution of this study is to use empirical analysis to determine the key influencing factors of car-sharing behavior in China and to provide practical insights for commercial practitioners and traffic planners.

A Study on Trim Optimization for a Container Ship Based on Effects due to Resistance

2016 ◽  
Vol 60 (01) ◽  
pp. 30-47
Author(s):  
Jianglong Sun ◽  
Haiwen Tu ◽  
Yongnian Chen ◽  
De Xie ◽  
Jiajian Zhou
Keyword(s):  
Container Ship ◽  
Towing Tank ◽  
Optimization Program ◽  
The Real ◽  
Computational Fluid Dynamics Cfd ◽  
Resistance Curves ◽  
Data Source ◽  
Reduce Emissions ◽  
Save Energy ◽  
Engine Power

The objective of this paper is to perform trim optimization on a 4250-TEU container ship based on the influence of trim on the resistance by using computational fluid dynamics (CFD) in conjunction with towing tank tests. First, the International Towing Tank Conference (ITTC) procedures were applied to uncertainty analysis of CFD and the CFD procedure was further verified and validated through three representative resistance curves obtained by the tests. Next, a series of resistance curves in different conditions with varied drafts and trims were obtained by the CFD computations for the model to provide data source to analyze the influence of the trim on the resistance. Results indicate that the variation of wave-making resistance due to trim dominates that of the total resistance. Finally, the resistance data for the model were converted to the engine power of the real ship. At each speed, the response surface of engine power with respect to drafts and trims was constructed and thus a trim optimization program was developed. The real ship operated under the instruction of the trim optimization program can save energy and reduce emissions significantly.

scholarly journals Enducation Environment And The Impact Of Pandemic Covid-19 In Student Perspective

2021 ◽  
Vol 5 (3) ◽  
pp. 1604-1616
Author(s):  
Bahagia Bahagia ◽  
Fachruddin Majeri Mangunjaya ◽  
Rimun Wibowo ◽  
Zulkifli Rangkuti
Keyword(s):  
Social Impact ◽  
Psychological Impact ◽  
Student Perspective ◽  
Religious Activities ◽  
Or Education ◽  
Ibn Khaldun ◽  
Environmental Learning ◽  
Reduce Emissions ◽  
Save Energy ◽  
The Impact

There are several objectives of this research, namely the COVID-19 disaster to provide natural environmental learning or education to humans, including educating people in climate-friendly and low-emission behaviour, saving energy, saving water, and recognizing the ability of the universe. Another goal is to find the social, religious and psychological impact of COVID-19 that students at Ibn Khaldun University Bogor. The research method approach used a descriptive qualitative approach. Data were collected by in-depth interviews with the class leader of semester VI students. The sample was selected through a purposive technique. The results were scrutinized carefully through triangulation and source triangulation techniques. The results show that students have the view that the arrival of COVID-19 has taught humans to behave friendly to the climate because with the presence of COVID-19, students are no longer at campus, lecturers and campus officers. This method is classified as an action to reduce glass emissions as a cause of global warming. In addition, energy and water are used very little and even at the beginning of the lockdown, these natural resources were not used, thereby educating people to save energy and water through the campus. The use of energy also causes climate problems so that it can economically reduce emissions. After that, humans are taught to live cleanly because to cope with this disaster, humans must maintain the cleanliness of the environment, themselves and places of worship. Then, the COVID-19 outbreak has a social impact because students no longer have face-to-face contact with other students, disrupt religious activities such as religion and also make students psychologically stressed

scholarly journals Evaluation of bituminous sub-ballast manufactured at low temperatures as an alternative for the construction of more sustainable railway structures

2017 ◽  
Vol 7 (080) ◽  
pp. 128 ◽  
Author(s):  
L. Pirozzolo ◽  
M. Sol-Sánchez ◽  
F. Moreno-Navarro ◽  
G. Martínez-Montes ◽  
M. C. Rubio-Gámez
Keyword(s):  
Energy Consumption ◽  
Bearing Capacity ◽  
Production Process ◽  
Mechanical Behaviour ◽  
Low Temperatures ◽  
Loading Conditions ◽  
Construction Costs ◽  
Bituminous Mixtures ◽  
Reduce Emissions ◽  
Save Energy

Hot bituminous mixtures are becoming widely used in modern railway tracks in the sub-ballast layer. The reason is that these materials allow for both an increase in bearing capacity and greater protection of the substructure respect the traditional granular sub-ballast. Despite these advantages, the fact that these materials are manufactured at a temperature of 160°C means that their application can lead to an important increase in construction costs, pollution and energy consumption. This paper aims to study the possibility of using WMA manufactured at lower temperatures, as bituminous sub-ballast, in order to save energy and reduce emissions throughout the production process, as well as diminish the global costs of this layer. To this end, this study focuses on a comparison of the mechanical behaviour of warm and hot bituminous mixtures as sub-ballast under various loading conditions. The results indicate that WMA offers mechanical behaviour that is comparable to conventional HMA.

It takes more than information to save energy.

1992 ◽  
Vol 47 (6) ◽  
pp. 814-815 ◽  
Author(s):  
E. Scott Geller
Keyword(s):  
Save Energy
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