“energy flow” için 9 makale
International Journal of Biology EducationCilt 2012/2, Sayı 1
This descriptive study investigated 53 in-service elementary and middle school teachers’ understanding of basic concepts regarding energy flow through an ecosystem they likely are expected to teach. A multiple-choice instrument assessing selected standards-based life science concepts (i.e., essential needs of …
International Journal InternaukaCilt 2018/10, Sayı 10
The existing gas transportation models and the laws that describe them and review the simulation methods are analyzed. A model for gas transportation along the main gas pipeline has been developed. With it, a thermodynamic calculation of a model multi-line …
International Journal InternaukaCilt 2017/2-legacy-2807, Sayı 2
The possible range of adjustment and energy efficiency for the application of regulated drives for pumps were studied based on the example of operational main oil pipeline segment, which has significant part load. Cases using pumps with regulated drives on …
International Journal InternaukaCilt 2018/3, Sayı 3
The expediency of the method of hydraulic calculation of twin oil pipelines with using the conception of equivalent diameter for all zones of friction of turbulent regime was investigated. On the basis of the universal modified Kolbrook formula for the …
International Journal InternaukaCilt 2018/5, Sayı 5
The method and software that allow determining the volume flow rate, loadings of each thread and energy efficiency for twin oil pipeline in the presence of open jumpers was developed. The opening of the jumpers causes significant oil overflows, which …
International Journal InternaukaCilt 2017/9, Sayı 9-legacy-4566
Using the algorithm and software installed dependence on gas network bandwidth on the number of gas distribution plants. The object of the research was system of low pressure gas settlements. To investigate the capacity of the gas network calculation is …
International Journal InternaukaCilt 2017/3, Sayı 3
The dependence of flow capacity on the value of the output overpressure of gas control point and the dependence of minimum overpressure at the exit of the gas control point on gas consumption by network were studied. As a result, …
International Journal InternaukaCilt 2018/9, Sayı 9
The peculiarities of transportation of various grades of oil via main pipelines with sections of gravity flow were considered. Energy consumption of oil transportation system Odesa-Brody to ensure its energy efficient operation in terms when transporting various oil brands in …
International Journal InternaukaCilt 2016/12, Sayı 1
Development of methods for determining the optimum amount of gas supply sources that will help increase the efficiency and reliability of their work and reduce the operating costs for maintenance.