Number of Articles: 4857
Numerical investigation of air conditioning system configurations for achieving desired negative pressure in isolation rooms
Volume 42, Issue 1 , January 2024, , Page 232-247
Abstract
This paper investigates a novel study about the influence of airflow simulation of an air conditioner (AC) inlet angle impacting negative pressure control in an airborne isolation indoor ... Read More ...
High Speed Dual - Msm Photodiodes On InP : Fe
Volume 24, Issue 3 , March 2005, , Page 237-244
Abstract
Abstract:Metal - Semi Conductor - Metal ( MSM ) Photo detectors on semi - insulting Inp : Fe with a lateral planer structure ( double Schottky photodiode ) have been fabricated . the ... Read More ...
Stiffness Matrix for Haunched Members With Including Effect of Transverse Shear Deformations
Volume 25, Issue 2 , April 2007, , Page 242-252
Abstract
This study includes the derivation of the stiffness matrix for a haunchedmember using the simple bending theory. The derived stiffness matrix coversmost possible geometric shapes for ... Read More ...
On the Influence of Metal Deposition on Responsivity Peak of Cleaned Silicon Photodetector
Volume 24, Issue 3 , March 2005, , Page 245-251
Abstract
Abstract In the present work , p - type Si wafer of ( 111 ) orientation and 3 0.cm resistivity had been doped with phosphor by thermal diffusion process to fabricate p - n junction ... Read More ...
Construction and Operating CO2 Laser System with Heat Distribution Technique
Volume 25, Issue 6 , August 2007, , Page 247-255
Abstract
In this work ، a CW CO2 laser system was constructed and operated. This system employs an intermediate heat sink unit in order to increase cooling rate of the active medium, which ... Read More ...
LoRa Sensor Node Mounted on Drone for Monitoring Industrial Area Gas Pollution
Volume 42, Issue 2 , February 2024, , Page 248-260
Abstract
One of the biggest threats to human health is air pollution, which significantly influences people. Due to challenges like industrial and rural locations, where sensing frequently falls ... Read More ...
Magnetic Properties of Intermetalic Uranium Compounds
Volume 24, Issue 3 , March 2005, , Page 252-268
Abstract
Abstract: Magnetization density , neutron diffraction and a spin polarized have been made on uranium compounds , Upt3 , UB13 . The compounds containing Pt , crystallizes in the hexagonal ... Read More ...
Effect of Ethanol Concentrations in Internal Coagulant on the Morphology and Separation Performance of Polyethersulfone (PES) Hollow Fiber UFMembranes Prepared by PES/Ethanol/NMP Solution
Volume 25, Issue 2 , April 2007, , Page 253-265
Abstract
Polyethersulfone (PES) hollow fiber UF membranes were fabricated usingethanol (non-solvent) as additive and N-methyl-2-pyrrolidone (NMP) as asolvent. Asymmetric hollow fiber UF membranes ... Read More ...
FPGA Implementation of Efficient Adaptive Filter Incorporating Systolic Architecture
Volume 42, Issue 2 , February 2024, , Page 261-275
Abstract
This paper introduces an approach that capitalizes on the retimed delay concept to enhance adaptive filters' operational efficiency. In particular, it introduces an adaptive filter ... Read More ...
Effects of Mix Property On Time Dependent Behavior of Reinforced Concrete Slabs
Volume 25, Issue 2 , April 2007, , Page 266-281
Abstract
A nonlinear, layered, finite element model for predicting the time dependentbehavior of reinforced concrete slabs under sustained transverse loading ispresented. The effects of biaxial ... Read More ...
Evaluation Of Mesh Stiffness and Torsional Rigidity in Spur Gear
Volume 24, Issue 3 , March 2005, , Page 269-284
Abstract
Abstract A This work aims to investigate the main parameters affecting noise and vibration encountered in spur gears . They are torsional mesh stiffness and transmission error through ... Read More ...
Performances Study of PSK and ASK Modulation Technique under Atmospheric Turbulence in FSO Communication System
Volume 42, Issue 2 , February 2024, , Page 276-287
Abstract
The performance and reliability of a free-space optical (FSO) communication system can be greatly increased using various methods. The primary goal of each technique is to reduce the ... Read More ...
Characteristics of Bubbles and Gas Holdup In A Two-Phase Column For Different Liquid Phases
Volume 25, Issue 2 , April 2007, , Page 282-290
Abstract
Experimental study of gas holdup (Eg), bubble diameter (dvs) interfacial area(a) m-1, small bubble rise velocity (Ubs), and bubble rise velocity (Ubr) in (0.1mi.d) and (1.5m) high column ... Read More ...
Dark and Light Characteristics of Sb - Se Heterojunction Formed on Silicon Substrate
Volume 24, Issue 3 , March 2005, , Page 285-290
Abstract
ABSTRACT : In this work , the dark and light characteristics of Se / Sb thin film heterojunction deposited on a p - type silicon substrate were studied . Reasonable enhancements in ... Read More ...
Image encryption based on s-box and 3D-chaotic maps and secure image transmission through ofdm in rayleigh fading channel
Volume 42, Issue 2 , February 2024, , Page 288-297
Abstract
Data security is vital if transferred over a wireless network or stored on a personal computer. The essential properties of chaos, such as initial state sensitivity and unpredictability, ... Read More ...
Study the Integro-Differential Equation in a Lorentzian Energy Spread Case
Volume 25, Issue 2 , April 2007, , Page 291-298
Abstract
The fundamentals of free electron laser (FEL) theory are now well–establishedand can provide a sophisticated description of experiments over a wide rangeof parameters. While new ... Read More ...
A Computerized Program to Allocate Datums for Rectangular Central Symmetrical and Non-Symmetrical Dies
Volume 24, Issue 3 , March 2005, , Page 291-306
Abstract
Abstract: Due to the lack of planning engineers and their expertise in Iraqi enterprises to set up the manufacturing routes for the eng . parts like dies , where their works began ... Read More ...
Detection of arabic sign language by machine learning techniques with PCA and LDA
Volume 42, Issue 2 , February 2024, , Page 298-311
Abstract
People need a communication channel and a way to communicate with a person or group. Deaf people communicate with others through sign language. The remarkable and rapid development ... Read More ...
3D Wavelet-Based Optical Flow Estimation
Volume 25, Issue 2 , April 2007, , Page 299-311
Abstract
In this paper, a new algorithm for accurate optical flow estimation using discretewavelet approximation is proposed. The image sequences are always assumed tobe noiseless in the computation ... Read More ...
Behavior of High Strength Concrete L-Beams Under Combined Bending and Shear
Volume 25, Issue 2 , April 2007, , Page 312-327
Abstract
This investigation examines experimentally and statistically the behaviorand ultimate strength of L-shape reinforced high strength concrete beamsunder combined bending and shear. The ... Read More ...
Impact of the UPFC on the optimal transmission switching for cutting down market power cost
Volume 42, Issue 2 , February 2024, , Page 312-326
Abstract
The exercise of market power by the strategic generating companies (gencos) in the deregulated wholesale electricity market (WEM) should be mitigated, as it results in higher wholesale ... Read More ...
Improving the Properties of Arthma Sand for Using In the Sand Moulding
Volume 24, Issue 8 , August 2005, , Page 318-328
Abstract
The aim of the present research is to improve properties of Arthma sand through the addition of different materials for using it in sand casting processes. After preparing the master ... Read More ...
Assessing The Dead Loads Effect on the Dynamic Behavior of Plates by Using Finite Elements Method
Volume 25, Issue 3 , May 2007, , Page 328-333
Abstract
In this research, a rectangular plate element for the finite elementsmethod, which takes into consideration the effect of dead loads, is proposed.The element stiffness matrix that includes ... Read More ...
Improvement of Corrosion Resistance for Carbon Steel Alloy (ST - 52) used in Marine Environments
Volume 24, Issue 3 , March 2005, , Page 328-347
Abstract
Abstract Carbon steel alloy types ( ST - 52-3RR ) are widely used in constructing marine environments and other engineering structural applications due to their good corrosion resistance ... Read More ...
دراسة عملية وعددية لمجمع شمسي خازن موشوري الشكل ذو مقطع مثلث قائم الزاوية
Volume 24, Issue 8 , August 2005, , Page 329-343