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International Journal of Scientific Research and Engineering Development( International Peer Reviewed Open Access Journal ) ISSN [ Online ] : 2581 - 7175 |
IJSRED » Archives » Volume2 -Issue3-Part2
IJSRED Volume 2 - Issue 3, May - June 2019
Cover-Page
| S. No. | Title and Authors Name | Paper ID |
|---|---|---|
| 91 |
Power Inverter Circuit Generator Software
Author(s): Dr.Anthony Nosike Isiuzoh, Ofunneka Jennifer Okonkwoabutu, Tochukwu Cyprain Onyia
Page(s): 765-770
 ]
Abstract
This paper discusses the design and implementation of an inverter system circuit generator software which helps the user perform the inverter design calculations and generates the circuit diagram. It narrows down the inverter system design processes. All calculations involved in the design process will be accurately and automatically done by the software. The software was designed with the aid of a Java programming language and its graphical user interface was implemented using an application programming interface called JavaFx. The software runs on any operating system that has the Java virtual machine installed on it. All that is required of the user is to key in the parameters of the desired inverter, ranging from the desired input voltage to the desired amount of KVA needed while the software does the job of generating values of the required parameters. It also generates the circuit diagram and the bill of engineering measurement and evaluation for the design. Keyword: Power inverter, JavaFx, MOSFETS, Oscillator.× 
Dr.Anthony Nosike Isiuzoh, Ofunneka Jennifer Okonkwoabutu, Tochukwu Cyprain Onyia "Power Inverter Circuit Generator Software" Vol 2-Issue 3 (765-770) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P91 |
| 92 |
Characterization of Bimetal Displacement of a 35 Ampere Circuit Breaker
Author(s): Alfredo Díaz, Eduardo Rubio
Page(s): 771-774
]
Abstract
The calibration process of aircraft circuit breakers is an operation that requires high production costs due to its difficulty and the time needed to achieve an optimal calibration of the device to make it work within the predefined time window to protect the aircraft wiring once installed.This research is motivated by the need of reducing the calibration times of circuit breakers in the production line and hence improving the line capacity while reducing associated costs with the number of operators required to fulfill the process.An experimental analysis is performed using a digital microscope to process images to analyze the bimetal movement of a 35 amperes circuit breaker under a current range from 20 to 70 amperes with the propose of characterize it and find the relation between initial and final position to lay the groundwork to develop a method to simplify the calibration process in the production line. Keyword: Characterization, bimetal, circuit breaker, thermostatic element, calibration.×
Alfredo Díaz, Eduardo Rubio "Characterization of Bimetal Displacement of a 35 Ampere Circuit Breaker" Vol 2-Issue 3 (771-774) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P92 |
| 93 |
Design of the Variable Cavity of an Erbium Doped Fiber Laser for the Study of the Threshold
Author(s): Josue del Valle-Hernandez, Omar Sharir Cedillo Castillo, Francisco Alejandro Ramirez Díaz, Mauricio Valtierra Domínguez, y Julian Renteria Hernandez
Page(s): 775-781
]
Abstract
In this study cavity arrays for a fiber laser are shown in order to compare the performance and pumping power required to reach the threshold in each array, as well as the analysis of the stimulated and spontaneous emission region of the selected model. In the models a Fabry-Perot type structure was used, where the elements that were part of the cavity were: a multiplexer, erbium doped fiber, a Faraday mirror and a Bragg grid, using a laser diode at 980 nm as pumping source. The models studied are rearrangements of the aforementioned elements, placed at different positions of the fiber laser, the model where the Bragg grid was placed at the output of the multiplexer, showed a higher threshold with respect to the other, where the grid was placed before of the erbium doped fiber section, this was due to the change of position of the added grid lost in the cavity, which, in turn, influenced the behavior of the output signal, in addition, the equation of the behavior pattern in the spontaneous emission region was obtained, which on the other hand, did not have the same success for the stimulated emission region due to the limitation of the available data. Keyword: Stimultated and spontaneous emission, Threshold, Fiber Laser, Cavity losses.×
Josue del Valle-Hernandez, Omar Sharir Cedillo Castillo, Francisco Alejandro Ramirez Díaz, Mauricio Valtierra Domínguez, y Julian Renteria Hernandez "Design of the Variable Cavity of an Erbium Doped Fiber Laser for the Study of the Threshold" Vol 2-Issue 3 (775-781) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P93 |
| 94 |
Experimental Investigation on Strength Properties of Concrete by Partial Replacement of PVC Powder with Cement and Flyash
Author(s): S.Priyadarshika, M.Rajkannan
Page(s): 781-789
]
Abstract
The present paper is an effort to investigate the strength properties of Polyvinyl Chloride dust (PVC) at the various replacement levels. Large scale production of cement is causing environmental problems. This has made the researchers to use supplementary cementations material in making concrete. Polyvinyl Chloride dust is a waste material produced in pipe industry. PVC dust is used as filler material to way towards the waste utilization. M40 grade of concrete is used in the study and mix design was carried out according to guidelines10262 (2009). A constant 20% of Fly-Ash was used as on cement replacement for all the mix. Effect of PVC was studied added 0 to 30% as additive. Mechanical Strengths such as compressive, Split Tensile strength and Flexural strength are investigated. The results show that the compressive strength of concrete is increased for PVC dust whereas split tensile strength of concrete is decreased when the PVC is added. Keyword: Cement, Flyash, PVC powder, Super plasticizer.×
S.Priyadarshika, M.Rajkannan "Experimental Investigation on Strength Properties of Concrete by Partial Replacement of PVC Powder with Cement and Flyash" Vol 2-Issue 3 (781-789) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P94 |
| 95 |
Study on effects of light weight aggregates on compressive and flexural strength of concrete
Author(s): S.Thenmozhi, M.Rajkannan
Page(s): 781-789
]
Abstract
The present day world is witnessing construction of very challenging and difficult civil engineering structures. In this study comparison has been made between plain cement concrete and light weight concrete having different proportion of aggregates and admixtures. i.e., Expanded Clay Aggregates: 0%, 25%, 50%, 75% and 100% with coarse aggregate, silica fumes 10% and PVA(Poly Vinyl Alcohol) 1.6% of constant replacement with cement and water respectively. It helps to increase the volume of concrete and hence reduce the weight. In Design of concrete structures, light weight concrete plays a prominent role in reducing the density and to increase the thermal insulation. These may relate of both structural integrity serviceability. More environmental and economical benefits can be achieved if waste materials can be used to replace the fine light weight aggregate. Keyword: Expanded Clay Aggregate, Silica fume, Poly Vinyl Alcohol (PVA), Density, Compressive strength, Flexural strength..×
S.Thenmozhi, M.Rajkannan "Study on effects of light weight aggregates on compressive and flexural strength of concrete" Vol 2-Issue 3 (790-798) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P95 |
| 96 |
An Experimental Study on Physical Characterization of Black Cotton Soil by using Non Destructive Testing Method
Author(s): Syeda Seema Naaz, Vinay A, A V Pradeep Kumar
Page(s): 799-805
]
Abstract
Clayey soil is known for its high swell potential and low shear strength. Ultrasonic pulse velocity test was performed on compacted clayey soil while studying experimentally, the relationship between Velocity, Max. dry density, Optimum Moisture content, Time with varying percentage of admixtures. The soil sample was collected from Davanagere and addition to that, different percentages of admixture was added to find the variation in its density. In this paper density was determined by Standard proctor test and for the sample Ultrasonic pulse velocity test was conducted to determine p-waves. This method is fast and simple approach for determining the characteristics of compacted stabilized soil. This is a non destructive method used as an alternative to existing methods to analyse laboratory or semi field compacted soils. The empirical equations proposed in this study for predicting density, water content, velocity is encouraging. Keyword: Ultrasonic Pulse Velocity, Wave Velocity, Water Content, Maximum Dry Density.×
Syeda Seema Naaz, Vinay A, A V Pradeep Kumar "An Experimental Study on Physical Characterization of Black Cotton Soil by using Non Destructive Testing Method" Vol 2-Issue 3 (799-805) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P96 |
| 98 |
The Variation of Soil Nutrients and Microbial Biomass Carbon with Stand Age in Eucalyptus grandis Plantations in Sri Lanka
Author(s): Premetilake M.M.S.N, Perera G.A.D, Kulasooriya S.A., Ratnayake R.R
Page(s): 814-819
]
Abstract
Soil nutrients and microbial activity greatly influence plant development and yield in plantation forests. With the stand age these parameters may change and may affect the yield directly or indirectly. In the present study the relationships between soil macro nutrients (available N, available P, Ca, Mg, K) and microbial biomass carbon (MBC) with stand age of Eucalyptus grandis was studied in different plantation forest stands in the intermediate zone of Sri Lanka. All the studied nutrients negatively correlated with stand age of the plantation forests (Pearson correlation, p < 0.05) except for Ca and Mg. However, Ca and Mg concentrations in soil also declined with stand age and again increased rapidly towards the stand age of 28 years. MBC in soil also varied significantly with the stand age. The mean differences in MBC in upper and lower soil layers of 5-year-old plantation forest and 28-year-old plantation forests was 1408 mg kg-1 and 519 mg kg-1 respectively. Of all the nutrients only available N had shown a significant relationship with MBC content in soil (Pearson correlation: upper soil layer, -0.848, p =0.000; lower soil layer -0.706, p = 0.000). The decrease of soil nutrients could be due to the absorption of nutrients by the trees during their rapid growth and MBC reduction in soil could be due to the amplification of monoterpene secretion with forest/ plant age. The knowledge on these parameters would support in practicing various management practices to improve yields in plantation forests.. Keyword: Eucalyptus grandis, Soil macronutrients, Microorganisms, Plantation age..×
Premetilake M.M.S.N, Perera G.A.D, Kulasooriya S.A., Ratnayake R.R "The Variation of Soil Nutrients and Microbial Biomass Carbon with Stand Age in Eucalyptus grandis Plantations in Sri Lanka" Vol 2-Issue 3 (814-819) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P98 |
| 99 |
Teaching Strategies and Note Taking Skills Of First Year Students in Akwa Ibom State Polytechnic, Nigeria
Author(s): Idongesit Cletus Udoh, Ime Robson Nseobot
Page(s): 820-828
]
Abstract
The study examined the teaching strategies and note taking skills of first year students in Akwa Ibom State Polytechnic, Nigeria. The population of the study consisted of three thousand eight hundred and eighty nine (3889) students of HND I & ND I students of Akwa Ibom State Polytechnic, Ikot Osurua, Ikot Ekpene. Simple random sampling technique was used to select 512 respondents out of the population. The instrument used for data collection was questionnaire. The instrument was validated by two experts in Test and Measurement. Data from 512 completed questionnaires was subjected to mean rating analysis and Pearson product moment correlation. The findings showed that teaching strategies has a proportional effect on note taking skills of first year students in Akwa Ibom state polytechnic, Nigeria. And also, learners who had good reading and note taking skills performed better than those without. The study also recommend that lecturer should not label students in any dimension as poor students but should work towards a balance and wholeness of knowledge acquisition by shaping attitudes and orientation of the students towards all round learning. Students should use the information provided by this study to make necessary adjustment on their study habits to enhance their academic achievement in the school. School management should create an enable environment by enrolling sizeable number of students for class to ensure effective teacher teaching strategies. The lecturers should also not rely on the notes that students take down in class but should provide comprehensive modules and recommended text books for students to read during home study. Keyword: - - - ..×
Idongesit Cletus Udoh, Ime Robson Nseobot "Teaching Strategies And Note Taking Skills Of First Year Students In Akwa Ibom State Polytechnic, Nigeria " Vol 2-Issue 3 (820-828) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P99 |
| 100 |
Local Authority Institutions and Herdsmen-Farmers Conflict Management in Nigeria
Author(s): Mrs. Idongesit Cletus Udoh, Ime Robson Nseobot
Page(s): 829-839
]
Abstract
The study made an assessment of the role of local authority institutions on herdsmen-farmers land use conflict management in Nigeria. The population for the study was all registered farmers and Fulani tribe residents in Benue State. Simple random sampling technique was used to select 500 respondents out of the population. The instrument used for data collection was questionnaire. The instrument was validated by two experts in Test and Measurement. Data from 500 completed questionnaires was subjected to PPMC analysis. The findings showed that concluded that the roles and the strategies adopted by the local authority institutions on herders-farmers land use conflict management in Nigeria is significant. The study recommended that capacity building through education pertaining to laws and regulations guiding the sustainable land use are recommended to land tribunals, especially at ward and village levels to improve their performance in land conflict mitigation. This will contribute to reduce the number of cases related to land directed to the district level and minimize the possibility of occurrence of chaos in the earlier stage. Keyword: Authority; Institutions; Herders; Farmers; Conflict.×
Mrs. Idongesit Cletus Udoh, Ime Robson Nseobot "Local Authority Institutions and Herdsmen-Farmers Conflict Management in Nigeria" Vol 2-Issue 3 (829-839) May - June 2019, International Journal of Scientific Research and Engineering Development (IJSRED) :ISSN:2581-7175, www.ijsred.com. × |
IJSRED-V2I3P100 |
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