Search Results - "Ulas, A."

Numerical analysis of regenerative cooling in liquid propellant rocket engines by Ulas, A., Boysan, E.

“…High combustion temperatures and long operation durations require the use of cooling techniques in liquid propellant rocket engines (LPRE). For high-pressure…”
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Vitreous Syneresis after Intravitreal Injection of Ranibizumab in Treatment of Retinopathy of Prematurity by Akkoyun, Imren, Karadas, Mustafa, Yilmaz, Gursel, Tugcu, A. Ulas, Kayhan, Zeynep

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Effect of breast milk and sucrose on pain and perfusion index during examination for retinopathy of prematurity by Turan, Ozden, Akkoyun, Imren, Ince, Deniz Anuk, Doganay, Beyza, Tugcu, A. Ulas, Ecevit, Ayse

“…The objective of this study is to investigate the effect of breast milk and sucrose on pain scores and perfusion index (PI) and to evaluate the alteration in…”
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The effect of irrigation water quality on the growth of maize plants, electric conductivity and pH of the soil by Al-Awadi, R., Ulas, A., ILBAS, A. I.

“…The research aims to determine the response of the Maize crop to irrigation with salt water during the growth stages, and to study the accumulation of salts in…”
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Passive flow control in liquid-propellant rocket engines with cavitating venturi by Ulas, A.

“…In a companion liquid rocket engine development project, due to the overall weight constraint of the propulsion system, a cavitating venturi is selected to…”
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Effects of Casting Speed on Thin Gauge Foil Surface Quality of 8079 Aluminum Alloy Produced by Twin Roll Casting Method by Malcioglu, A. Ulas, Dogan, Cisem, Inel, Canan, Gode, Ceren

“…In twin roll casting method, casted strips exhibit centerline segregation due to solidification kinetics. Casting parameters have an essential impact on…”
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Two dimensional numerical prediction of deflagration-to-detonation transition in porous energetic materials by Narin, B., Özyörük, Y., Ulas, A.

“…•A two-dimensional code is developed to simulate the DDT in energetic materials.•“Finite-difference scheme” is easier to implement than “upwind-difference…”
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1856 Long term follow up results of patients with ER (+) breast cancer with respect to other receptors status by Bulut, N, Ulas, A, Altundag, K

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Numerical prediction of steady-state detonation properties of condensed-phase explosives by Cengiz, F., Ulas, A.

“…Within the scope of this study, a computer code named BARUT-X has been developed to calculate the detonation properties of C–H–N–O based condensed-phase…”
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Laser-induced ignition of solid propellants for gas generators by Ulas, A., Kuo, K.K.

“…An experimental study was conducted to evaluate the ignitibility of a family of potential gas-generator solid propellants under different CO 2 laser heat…”
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Occult urinary incontinence in elderly women and its association with geriatric condition by Silay, K, Akinci, S, Ulas, A, Yalcin, A, Silay, Y S, Akinci, M B, Dilek, I, Yalcin, B

“…Many older women are hesitated to initiate discussions about urinary symptoms and their incontinence. The aim of this study is to determine the prevalence of…”
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Morgagni Hernia: Transabdominal or Transthoracic Approach ? by Aydin, Y., Altuntas, B., Ulas, A. B., Daharli, C., Eroglu, A.

“…Background : Morgagni hernias are rare and constitute less than 2% of all diaphragmatic hernias. Treatment is primarily surgical and transthoracic or…”
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The status of iron absorption in older patients with iron deficiency anemia by Silay, K, Akinci, S, Yalcin, A, Guney, T, Ulas, A, Ozer, O, Ozbek, S, Dilek, I

“…The aim of this study is to evaluate the iron absorption status by using the oral iron absorption test (OIAT) in older patients with iron deficiency anemia…”
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An experimental study on the hypergolic ignition of hydrogen peroxide and ethanolamine by Ak, M.A., Ulas, A., Sümer, B., Yazıcı, B., Yıldırım, C., Gönc, L.O., Orhan, F.E.

“…This paper presents the hypergolic ignition test results of a potential environmentally friendly liquid propellant consisting of hydrogen peroxide oxidizer…”
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The predictive value of epidemiological characteristics, clinical and laboratory findings in adult lymphadenopathy etiology by Akinci, S, Silay, K, Hacibekiroglu, T, Ulas, A, Basturk, A, Bakanay, S M, Akinci, M B, Yikilmaz, A, Dilek, I

“…Our aim was to determine the presence or absence of malignant etiology in the epidemiological, clinical and laboratory results of patients undergoing lymph…”
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Pre-school Children with Hydatid Lung Disease by Aydin, Y., Dostbil, A., Araz, O., Ogul, H., Ulas, A.B., Zeytun, H., Eroglu, A.

“…Background : Hydatid cyst disease is a major health problem in developing countries and it usually settles in the lungs in children. This study aimed to…”
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Representation Plurality and Fusion for 3-D Face Recognition by Gokberk, B., Dutagaci, H., Ulas, A., Akarun, L., Sankur, B.

“…In this paper, we present an extensive study of 3D face recognition algorithms and examine the benefits of various score-, rank-, and decision-level fusion…”
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Ballistic properties and burning behaviour of an ammonium perchlorate/guanidine nitrate/sodium nitrate airbag solid propellant by Ulas, A., Risha, G.A., Kuo, K.K.

“…An experimental investigation on the determination of ballistic properties and burning behavior of a composite solid propellant for airbag application was…”
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3-D grain burnback analysis of solid propellant rocket motors: Part 1 – ballistic motor tests by Püskülcü, G., Ulas, A.

“…The performance prediction of solid rocket motors is an important phase during the design process and it can be achieved easily if the burnback steps of the…”
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3-D grain burnback analysis of solid propellant rocket motors: Part 2 – modeling and simulations by Püskülcü, G., Ulas, A.

“…Determination of the grain geometry is an important step in the design of solid propellant rocket motors. The performance prediction of the solid rocket motor…”
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