نتایج جستجو برای: pitch to diameter ratios

تعداد نتایج: 10643411  

Journal: :CoRR 2017
Venkata Subramanian Viraraghavan Arpan Pal Rangarajan Aravind Hema A. Murthy

Gamakas are an integral aspect of Carnatic Music, a form of classical music prevalent in South India. They are used in rāgas, which may be seen as melodic scales and/or a set of characteristic melodic phrases. Gamakas exhibit continuous pitch variation often spanning several semitones. In this paper, we study how gamakas scale with tempo and propose a novel approach to change the tempo of Carna...

Journal: :Marine Structures 2023

A rapid method for calculation of second-order hydrodynamic wave loads on semi-submersible platforms is developed and validated against radiation–diffraction theory. The based slender-body theory builds modal truncation the quadratic transfer function (QTF). floater split into individual members existing vertical cylindrical columns extended to include heave force. Further expressions surge, pi...

2002
RICHARD V. COX RONALD E. CROCHIERE JAMES D. JOHNSTON

Time domain harmonic scaling (TDHS) has been realized in real time on the Bell Laboratories digital signal processing (DSP) integrated circuit. It is an algorithm that can expand or compress the bandwidth and sampling rate of speech by taking advantage of the pitch structure in the speech signal. As such it is useful in a variety of speech applications including speech coding, speech enhancemen...

Journal: :Journal of bacteriology 1991
N W Charon S F Goldstein K Curci R J Limberger

Treponema phagedenis Kazan 5 is a spirochete with multiple periplasmic flagella attached near each end of the cell cylinder. Dark-field microscopy revealed that most of the cell is right-handed (helix diameter, 0.23 micron; helix pitch, 1.74 microns), and the ends appear bent. These ends could move and gyrate while the central part of the cell remained stationary. The present study examines the...

In this paper, second law analysis for calculations of the entropy generation due to the flow andheat transfer of water-Al2O3 and ethylene glycol-Al2O3 nanofluids inside annuli is presented. Thephysical properties of the nanofluids are calculated using empirical correlations. Constant heatfluxes at inner surface of the annuli are considered and fully developed condition for fluid flowand heat t...

ژورنال: مهندسی دریا 2010
Abedi, Karim, Mostafa Gharabaghi, Ahmad Reza, Omrani, Zahra,

A pipeline is considered as shell structure so its design is based on stability concepts due to the exerted high pressure, local instability is probable to occur and so prevention of its occurrence and propagation are important subjects in its design. In this paper, dynamic buckle propagation has been modeled by 3D finite element method, results are verified with experimental tests and velocity...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

Hassan Zare Aliabadi, Hossein Atashy Mohamad Khoshnoodi Mohammad Khorram Mohammad Khoshvaght Seyed Hossein Noie

A numerical and experimental investigation of flow and heat transfer in a gas- liquid Thermosyphon Heat Exchanger "THE" with built in heat pipes and aluminum plate fins for moderate Reynolds numbers has been carried out. It's module is composed of 6 rows and 15 columns copper pipes with aluminum plate fins with dimensions of 130cm height, 47cm width and  20cm depth. The tubes have been fill...

Journal: :Psychological science 2008
Josh H McDermott Andriana J Lehr Andrew J Oxenham

Melodies, speech, and other stimuli that vary in pitch are processed largely in terms of the relative pitch differences between sounds. Relative representations permit recognition of pitch patterns despite variations in overall pitch level between instruments or speakers. A key component of relative pitch is the sequence of pitch increases and decreases from note to note, known as the melodic c...

Journal: :International Journal of Heat and Mass Transfer 2022

To address the scarcity of natural convection research for tube array with three or more columns horizontally-aligned cylinders, this paper conducts RANS/URANS simulations multiple cylinder in one two rows, validated by particle-image velocimetry and heat transfer measurements. Parametric study varying horizontal vertical pitches is implemented RANS transition SST model. Key findings are then s...

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