Subscribe to the gold package and get unlimited access to Shamra Academy
Register a new userStudy some of the factors affecting on the outlet of mini radial turbine using several working fluids and using the program (EES)
دراسة بعض العوامل المؤثرة على خرج عنفة قطرية صغيرة باستخدام عدة موائع عمل و باستخدام البرنامج EES))
1071
0 65
0
(
0
)
Authors
رزان بكور( باحث )
Created by
Shamra Editor
Ask ChatGPT about the research
تم إجراء هذا البحث من أجل توليد الطاقة الكهربائية باستطاعات صغيرة و خصوصاً في الأماكن النائية البعيدة عن شبكة الكهرباء. يتضمن البحث دراسة تحليلية حرارية لعنفة قطرية صغيرة (mini radial turbine) التي تمثل جهاز التمدد Expander)) في دارة رانكن العضوية (ORC) ((Organic Rankine Cycle. تم في هذا البحث اختيار عدة بارامترات و دراسة تأثير كل بارامتر على حدة على خرج العنفة الصغيرة باستخدام البرنامج EES (Engineering Equation Solver) (برنامج حل المعادلات الهندسية) و تم ذلك باستخدام عدة موائع عمل لتشغيل العنفة الصغيرة، و قمنا بإجراء المقارنة فيما بينها لتحديد أفضلها تأثيراً على خرج العنفة الصغيرة.
This search was carried out in order to generate electricity small capacities especially in remote locations far from the electricity grid. the search includes a thermal analytical study of mini radial turbine which represents the Expander in Organic Rankine Organic Cycle (EES). In this search, the selection multiple parameters and study the effect of each parameter on the outlet of the mini turbine using the program EES (Engineering Equation Solver) was done using several working fluids to drive a mini turbine, and We have conducted a comparison between them and determine the best impact on the outlet of the mini turbine.
References used
TCHANCHE, B. F; PAPADAKIS,G; LAMBRINOS,G; FRANGOUDAKIS, A. Fluid selection for a low- temperature solar organic Rankine cycle. Applied Thermal Engineering. 29, 2009, 2468– 2476
MIKIELEWICZ, J. Micro Heat and Power Plants Working in Organic Rankine Cycle. Polish J. of Environ. Stud.Vol.19,No. 3 (2010), 499-505
RAYEGAN, R; TAO, Y. X. A procedure to select working fluids for Solar Organic Rankine Cycles (ORCs). Renewable Energy. 36, 2011, 659-670
rate research
Read More
This study aimed at identifying the best indicators representing economic factors
using Factor Analysis, as well as developing a mathematical model linking principal
components which represent both the economic factors and consumer spending in Syri
a
using Multi-linear regression analysis. A descriptive analytical approach is used in this
study.
The study results from Factor Analysis show that there are three principal
components which best represent the economic factors. The first component includes: the
number of workforce working for free, the number of paid workforce, consumer price
index, the average annual GDP per capita. The second component includes: interest rate,
self-employed workforce. The third component includes the number of employers.
A mathematical model is developed to link the above three components of the
economic factors and the total monthly household spending average in Syria during (
2000-2010).
In this research an absorptive cooling cycle system modeling which can be used for conditioning purposes by using EES program was done. By using this program, the effect of temperature of the vapor generator, the evaporator and the condenser on the p
erformance of the vapor cycle and the circulating coefficient was studied as well as the effect of the evaporating range width in the generator and the definition the values and ideal ranges for each part. The result showed that whenever the condenser temperature increases the performance coefficient ( COP ) decreases, and by increasing the condensation temperature from 18 – 36 C , thus the values of the circulating coefficient increases, while the average temperature released from the condenser to the external environment decreases at the same range of the previous temperature, and that the increase of the evaporator temperature would increase the performance coefficient ( COP ). An absorptive cooling circuit system modeling using water and lithium bromide was achieved. Results showed that the increase of the evaporator temperature of between 4 -13 C, the average of heat amount drawn from the desired place to be cooled would increase.
The research was conducted at Faculty of Agriculture, Damascus University/
Syria, with the help of Scientific Agricultural Research Center in Latakia during
2013 and 2014 seasons. Three rootstocks were used i.e. Sour orange, citrumelo
and troyer c
itrange, to study some factors affecting the success of micrografting
technique (concentrations and periods of sterilization, rootstock, shoot tip size, type
of nutritive medium and the grafting method). The nutritive medium was prepared,
and the shoot tips was isolated from Navel orange source, then the micrografting
was done for the three rootstocks.
The research aimed at studying the impact of the most
important economic and social factors affecting the adoption of new
irrigation techniques، namely water collective management in ALGhab
basin in Syria .The research accomplished by taking a
si
mple random sample of 264 farmers .Because of the nature of
dependent variable which is dichotomous ،(1= adoption of water
collective management،0=otherwise)،The binary logistic regression
was used.
This research shows that the design of wind turbine blade for the
best production of energy produces a turbine with a problem of
start-up.
The study focused on ways to improve the process of the small
wind turbine start-up at the low wind speed w
ith the stability of
the pitch blade angle, and study the behavior of the turbine
during the stage of angular acceleration after the start-up until
the turbine reaches the speed of rotation that enable it to produce
the energy.
إقلاع العنفة الريحية
العزم الآيروديناميكي
عزم القصور الذاتي
الفترة الزمنية اللازمة للإقلاع
سرعة الإقلاع
سرعة بداية توليد الطاقة
سرعة دوران العنفة الريحية
Wind Turbine Startup
Aerodynamic Torque
Moment of inertia
Starting Period
Startup Wind Speed
Cut-in Wind Speed
Wind Turbine Rotation Speed
المزيد..
Log in to be able to interact and post comments
comments
Fetching comments
Sign in to be able to follow your search criteria
