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Browsing Mühendislik Fakültesi Bildiri/Sunu Koleksiyonu by Issue Date

Now showing items 1-20 of 208

Buckling failure at an open-pit coal mine

Aydan, O.; Ulusay, R.; Kumsar, H.; Ersen, A. (International Society for Rock Mechanics, 1996)

A very complex failure took place at an open-pit coal mine in the eastern Turkey. The floor of the open-pit heaved up as a result of the buckling failure of the coal seam and a combined form of shear and sliding failure ...
Numerical prediction of leakage flow and windage heating for various labyrinth seal geometries

Öztürk, Harun Kemal (BEGELL HOUSE, INC, 1999)

The labyrinth seals are one of the most important components of a gas turbine engine as a sealing element. In this paper, a computational study has been carried out for the various labyrinth seal geometries. One of the aim ...
Investigation of current pattern and dispersion of the organic pollutants in urban-reservoirs

Karahan, Halil; Baykan, N. Orhan (WITPress, 2000)

In this study, the current pattern and dispersion of the organic pollutants in the "Tahtali Dam" under construction is investigated. The Dam is located in the Aegean Region of Turkey, near to the City of Izmir, the third ...
Mathematical model aided investigation of hydrodynamic properties of Ulubat lake

Karahan, Halil (2001)

Ulubat is a fresh water lake formed in a tectonic subsidence site located at the east-west direction to the south of Marmara Sea. The length of the lake at the east-west direction is 23-24 km and its width is about 12 km. ...
Numerical modelling of shallow water using an iterative solution algorithm

Karahan, Halil (2001)

The knowledge of the current patterns and surface elevations of lakes and reservoirs is an essential need for a number of engineering problems such as water quality, flooding, sediment transport and coastal erosion. ...
An iterative method for the solution of dispersion equation in shallow water

Karahan, Halil (2001)

In order to keep the pollution levels below permissible limits and also to forecast the final concentrations to be reached, current patterns and dispersion characteristics are required for water quality problems in lakes ...
The impacts of sedimentation caused in Izmir Bay by Gediz River on circulation and water quality

Karahan, Halil (2002)

Izmir Bay is a natural water environment on the west coast of Turkey opening to the Aegean Sea. The largest settlement in the bay area is Izmir. The bay has an "L" type geometry and consists of three parts: the outer, ...
Cost effects of different calculation methods on water distribution

Koc, Abdullah Cem (SPRINGER, 2003)
A SAND approach based on cellular computation models for analysis and optimization

Canyurt, Olcay.; Hajela, P. (2004)

Genetic algorithms have received considerable recent attention in problems of design optimization. The mechanics of population-based search in GA's is highly amenable to implementation on parallel computers. The present ...
Nerve Implants

Yıldız Varan, Nilüfer (Elsevier Ltd, 2005)

Synthetic materials have been used in the medical field for surgical grafts due to lack of insufficient organic graft prosthesis. In the first years of their development, properties of an ideal graft were defined. "An ideal ...
Simple realizations of current-mode and voltage-mode PID, PI and PD controllers

Minaei, S.; Yüce, Erkan; Tokat, Sezai; Cicekoglu, O. (2005)

This, paper, presents, new, circuits, for, realizing, both, current-mode, and, voltage-mode, proportional-integral-derivative, (PID), proportional-derivative, (PD), and, proportional-integral, (PI), controllers, employing, ...
Design of the third order elliptic filter with seevinck type dummy inputs in the log domain using the state space synthesis method

Arslamalp, Remzi; Tola, Abdullah Tahsin (2005)

In this paper, a current mode, third order, elliptic filter is synthesized in the log domain. The state space synthesis method is used for the design procedure. Seevinck type dummy inputs are used in order to realize a ...
The synthesis of second order programmable and electronically tunable universal filter in the log domain

Tola, Abdullah Tahsin; Yilmaz, Ş.S.; Arslanalp, Remzi (2005)

In this paper, a low voltage and electronically tunable Class AB differential type universal filter is synthesized in the log domain. The high pass, band pass and low pass frequency characteristics can be obtained by ...
Design of current mode, low voltage and electronically tunable class AB differantial type KHN filter in the log domain

Tola, Abdullah Tahsin; Arslanalp, Remzi; Yilmaz, Ş.S. (2005)

In this paper, a current mode, low voltage and electronically tunable Class AB differential type KHN filter is synthesized in the log domain. The filter's Q quality factor and natural frequency could be tuned by varying ...
Development of electrical resistivity vibration penetration test (ER-VPT)

Jinguuji, M.; Toprak, Selçuk. (European Association of Geoscientists and Engineers, EAGE, 2005)

The estimation of liquefiable soils and potential mapping of liquefaction are very important for city planners, building owners, and engineers to see liquefaction prone areas and hazard levels. If the proposed structure ...
Ozone pre-oxidation of a textile industry wastewater for acute toxicity

Selcuk, H.; Meric, S. (UNIV AEGEAN, 2005)

The present work evaluates pre-ozonation for removal of acute toxicity from a raw textile wastewater sample taken from the process wastewater balancing tank. Toxicity was monitored using Daphnia magna. A low ozone flow ...
A new state space representation method for adaptive log domain systems

Arslanalp, Remzi.; Tola, Abdullah Tahsin. (2006)

In this paper, a new method for the state space representation of a system is proposed, which is based on the companion form technique. It is very important to have almost equal coefficients of state space equations since ...
By using darlington topology improvement of in-band gain for the log domain filters

Arslanalp, Remzi.; Tola, Abdullah T. (2006)

By using Darlington topology, an alternative circuit is proposed to overcome the in-band gain problem for the log domain circuits. This idea is applied to a third order elliptic filter synthesized in the log domain. ...
A new test for liquefaction prediction: Electrical resistivity vibration penetration test (ER-VPT)

Toprak, S.; Jinguuji, M. (2006)

The estimation of liquefiable soils and potential mapping of liquefaction are very important for city planners, building owners, and engineers to determine liquefaction prone areas and hazard levels. In this research, we ...
Novel microstrip diplexer and dual-band filter applications for wireless communication systems

Karpuz, Ceyhun; Görür, Adnan; Kaptan, Gökhan (2006)

Novel diplexer and dual-band filter using a squire open-loop with inset feeding and folded lines are proposed for wireless communication systems. These structures have a compact size. Simulations and experimental results ...

Now showing items 1-20 of 208

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