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+
+@book{swift_thermoacoustics:_2003,
+	location = {Melville, {NY}, {USA}},
+	title = {Thermoacoustics: A unifying perspective for some engines and refrigerators},
+	shorttitle = {Thermoacoustics},
+	pagetotal = {315},
+	publisher = {Acoustical Society of America},
+	author = {Swift, G. W.},
+	date = {2003},
+	file = {Swift - 2003 - Thermoacoustics A unifying perspective for some e.pdf:/home/anne/.literature/storage/TX4X2FEP/Swift - 2003 - Thermoacoustics A unifying perspective for some e.pdf:application/pdf;Swift en Garrett - 2003 - Thermoacoustics A unifying perspective for some e.pdf:/home/anne/.literature/storage/6RZNJADB/Swift en Garrett - 2003 - Thermoacoustics A unifying perspective for some e.pdf:application/pdf}
+}
+
+@thesis{beltman_viscothermal_1998,
+	title = {Viscothermal Wave Propagation Including Acousto-Elastic Interaction},
+	type = {phdthesis},
+	author = {Beltman, W. M},
+	date = {1998},
+	keywords = {book available},
+	file = {Beltman - 1998 - Viscothermal wave propagation including acousto-el.pdf:/home/anne/.literature/storage/GI8XS8GK/Beltman - 1998 - Viscothermal wave propagation including acousto-el.pdf:application/pdf}
+}
+
+@article{beltman_viscothermal_1999,
+	title = {Viscothermal Wave Propagation Including Acousto-Elastic Interaction, Part I: Theory},
+	volume = {227},
+	issn = {0022-460X},
+	doi = {06/jsvi.1999.2355},
+	shorttitle = {{VISCOTHERMAL} {WAVE} {PROPAGATION} {INCLUDING} {ACOUSTO}-{ELASTIC} {INTERACTION}, {PART} I},
+	abstract = {This research deals with pressure waves in a gas trapped in thin layers or narrow tubes. In these cases viscous and thermal effects can have a significant effect on the propagation of waves. This so-called viscothermal wave propagation is governed by a number of dimensionless parameters. The two most important parameters are the shear wave number and the reduced frequency. These parameters were used to put into perspective the models that were presented in the literature. The analysis shows that the complete parameter range is covered by three classes of models: the standard wave equation model, the low reduced frequency model and the full linearized Navier-Stokes model. For the majority of practical situations, the low reduced frequency model is sufficient and the most efficient to describe viscothermal wave propagation. The full linearized Navier-Stokes model should only be used under extreme conditions.},
+	pages = {555--586},
+	number = {3},
+	journaltitle = {Journal of Sound and Vibration},
+	author = {Beltman, W. M.},
+	urldate = {2011-07-20},
+	date = {1999-10-28},
+	keywords = {Printed},
+	file = {BELTMAN - 1999 - VISCOTHERMAL WAVE PROPAGATION INCLUDING ACOUSTO-EL.pdf:/home/anne/.literature/storage/VUEH48TH/BELTMAN - 1999 - VISCOTHERMAL WAVE PROPAGATION INCLUDING ACOUSTO-EL.pdf:application/pdf;ScienceDirect Snapshot:/home/anne/.literature/storage/7RZVXTAA/S0022460X99923556.html:text/html}
+}
+
+@article{swift_thermoacoustic_1988,
+	title = {Thermoacoustic Engines},
+	volume = {84},
+	issn = {00014966},
+	doi = {10.1121/1.396617},
+	pages = {1145--1180},
+	number = {4},
+	journaltitle = {The Journal of the Acoustical Society of America},
+	shortjournal = {J. Acoust. Soc. Am.},
+	author = {Swift, G. W.},
+	urldate = {2011-07-20},
+	date = {1988},
+	keywords = {Printed},
+	file = {Swift - 1988 - Thermoacoustic engines.pdf:/home/anne/.literature/storage/NGUESBBB/Swift - 1988 - Thermoacoustic engines.pdf:application/pdf;Thermoacoustic engines | Browse - Journal of the Acoustical Society of America:/home/anne/.literature/storage/NSHR2HI3/p1145_s1.html:text/html}
+}
+
+@article{rott_damped_1969,
+	title = {Damped and thermally driven acoustic oscillations in wide and narrow tubes},
+	volume = {20},
+	issn = {0044-2275},
+	doi = {10.1007/BF01595562},
+	pages = {230--243},
+	number = {2},
+	journaltitle = {Zeitschrift für angewandte Mathematik und Physik},
+	shortjournal = {Journal of Applied Mathematics and Physics ({ZAMP})},
+	author = {Rott, Nikolaus},
+	date = {1969-03},
+	file = {Rott - 1969 - Damped and thermally driven acoustic oscillations .pdf:/home/anne/.literature/storage/8FNJIHA2/Rott - 1969 - Damped and thermally driven acoustic oscillations .pdf:application/pdf;SpringerLink - Zeitschrift für Angewandte Mathematik und Physik (ZAMP), Volume 20, Number 2:/home/anne/.literature/storage/QNIQ6QWV/u22268322515314q.html:text/html}
+}
+
+@article{kampinga_performance_2010,
+	title = {Performance of Several Viscothermal Acoustic Finite Elements},
+	volume = {96},
+	doi = {10.3813/AAA.918262},
+	abstract = {Viscothermal acoustics can be described by the linearized Navier Stokes equations. Besides inertia and compressibility, these equations take the heat conductivity and the viscosity of the medium (air) into account. These 'viscothermal' effects are significant in, for example, miniature acoustic transducers and {MEMS} devices. A finite element for viscothermal acoustics, which can be used to model such devices, is presented. The particular set of equations used in the model of viscothermal acoustics leads to a complex symmetric finite element system matrix. Several different {FEM} discretizations are studied on a 2D thin gap problem. These discretizations are known, in the context of the Stokes equation, as the Taylor Hood quadrilateral and triangle elements, the Crouzeix Raviart element and the {MINI} element. All elements are implemented in the {FEM} software {COMSOL}. The elements with quadratic velocity and temperature shape functions show the best orders of convergence.},
+	pages = {115--124},
+	number = {1},
+	journaltitle = {Acta Acustica united with Acustica},
+	shortjournal = {Acta Acustica united with Acustica},
+	author = {Kampinga, W.R. and Wijnant, Y.H. and de Boer, A.},
+	date = {2010},
+	file = {Kampinga et al. - 2010 - Performance of Several Viscothermal Acoustic Finit.pdf:/home/anne/.literature/storage/HJNPKD8V/Kampinga et al. - 2010 - Performance of Several Viscothermal Acoustic Finit.pdf:application/pdf}
+}
+
+@article{tijdeman_propagation_1975,
+	title = {On the propagation of sound waves in cylindrical tubes},
+	volume = {39},
+	issn = {0022-460X},
+	doi = {10.1016/S0022-460X(75)80206-9},
+	abstract = {It is shown that the two main parameters governing the propagation of sound waves in gases contained in rigid cylindrical tubes, are the shear wave number, s = R ρ s ω / μ , and the reduced frequency, k=ωR/a0. It appears possible to rewrite the most significant analytical solutions for the propagation constant, Γ, as given in the literature, as simple expressions in terms of these two parameters. With the aid of these expressions the various solutions are put in perspective and their ranges of applicability are indicated.
+
+It is demonstrated that most of the analytical solutions are dependent only on the shear wave number, s, and that they are covered completely by the solution obtained for the first time by Zwikker and Kosten (1949).
+
+The full solution of the problem has been obtained by Kirchhoff (1868) in the form of a complicated, complex transcendental equation. In the present paper this equation is rewritten in terms of the mentioned basic parameters and brought in the attractive form F\<, s, k\>=0, which is solved numerically by using the Newton-Raphson procedure. As first estimate in this procedure the value ofaccording to the solution of Zwikker and Kosten is taken. Results are presented for a wide range of s and k values.},
+	pages = {1--33},
+	number = {1},
+	journaltitle = {Journal of Sound and Vibration},
+	author = {Tijdeman, H.},
+	urldate = {2012-01-05},
+	date = {1975-03-08},
+	file = {ScienceDirect Snapshot:/home/anne/.literature/storage/9B2T7ZM8/S0022460X75802069.html:text/html;Tijdeman - 1975 - On the propagation of sound waves in cylindrical t.pdf:/home/anne/.literature/storage/368PZ6AN/Tijdeman - 1975 - On the propagation of sound waves in cylindrical t.pdf:application/pdf}
+}
+
+@article{kampinga_efficient_2011,
+	title = {An Efficient Finite Element Model for Viscothermal Acoustics},
+	volume = {97},
+	doi = {10.3813/AAA.918442},
+	abstract = {Standard isentropic acoustic models do not include the dissipative effects of viscous friction and heat conduction. These viscothermal effects can be important, for example in models of small acoustic transducers. Viscothermal acoustics can be modeled in arbitrary geometries with models that contain four or five coupled fields. Therefore, these fully coupled models are computationally costly. On the other hand, efficient approximate viscothermal acoustic models exist, but these are only applicable to certain simplified geometries. A new approximate model is presented which fills the gap between these two extremes. This new model can be used for arbitrary geometries and has a computational efficiency which is higher than the full model and lower than the models with geometrical constraints. The new model is derived and demonstrated on several problems, including acoustic-structure interaction problems.},
+	pages = {618--631},
+	number = {4},
+	journaltitle = {Acta Acustica united with Acustica},
+	author = {Kampinga, W.R. and Wijnant, Y.H. and de Boer, A.},
+	date = {2011},
+	file = {ingentaconnect An Efficient Finite Element Model for Viscothermal Acoustics:/home/anne/.literature/storage/68KJ2IVT/art00009.html:text/html;Kampinga et al. - 2011 - An Efficient Finite Element Model for Viscothermal.pdf:/home/anne/.literature/storage/QRGF9MR6/Kampinga et al. - 2011 - An Efficient Finite Element Model for Viscothermal.pdf:application/pdf}
+}
+
+@article{bossart_hybrid_2003,
+	title = {Hybrid numerical and analytical solutions for acoustic boundary problems in thermo-viscous fluids},
+	volume = {263},
+	issn = {0022-460X},
+	url = {http://www.sciencedirect.com/science/article/pii/S0022460X02010982},
+	doi = {10.1016/S0022-460X(02)01098-2},
+	abstract = {The present work aims at contributing to the investigation of methods to solve some classes of problems of acoustic propagation in thermo-viscous fluids, in unbounded or bounded media. The focus here is on thermal and vortical diffusion at the boundaries, which have to be considered for an accurate description of the acoustic field in small fluid-filled cavities and ducts. Existing boundary element or finite element acoustic software does not include these phenomena, as they are not compatible with the basic equations involved. A methodology is given to solve such problems when using this software, introducing a hybrid method which combines both numerical solutions and analytical solutions (for the fields inside the boundary layers). A detailed application is presented to validate the process using a boundary elements method.},
+	pages = {69--84},
+	number = {1},
+	journaltitle = {Journal of Sound and Vibration},
+	author = {Bossart, R. and Joly, N. and Bruneau, M.},
+	urldate = {2012-03-08},
+	date = {2003-05-22},
+	file = {Bossart et al. - 2003 - Hybrid numerical and analytical solutions for acou.pdf:/home/anne/.literature/storage/5HTQ7MAA/Bossart et al. - 2003 - Hybrid numerical and analytical solutions for acou.pdf:application/pdf;ScienceDirect Snapshot:/home/anne/.literature/storage/VFCQVD9W/Bossart et al. - 2003 - Hybrid numerical and analytical solutions for acou.html:text/html}
+}
+
+@article{christensen_modeling_2011,
+	title = {Modeling the Effects of Viscosity and Thermal Conduction on Acoustic Propagation in Rigid Tubes with Various Cross-Sectional Shapes},
+	volume = {97},
+	doi = {10.3813/AAA.918398},
+	abstract = {When modeling acoustics with viscothermal effects included, typically of importance for narrow tubes and slits, one can often use the so-called low reduced frequency model. With this model a characteristic length is assumed for which the sound pressure is constant. For example for a circular cylindrical tube the characteristic length is the radius. A triangular cross-section does not have a characteristic length, but as will be shown in this paper the model can in fact be used as long as 1) the cross-sectional pressure is constant and 2) a characteristic impedance and propagation wavenumber can be established for the geometry. These parameters can be found for a tube with a triangular cross-section and an implementation of the low reduced frequency which can handle tubes with both circular, rectangular triangular cross-sections has been made in {COMSOL} Multiphysics. For the circular and the rectangular tube results found using this implementation have been compared to results from an analytical model, a so-called full Navier-Stokes implementation in {COMSOL} Multiphysics and the commercial package {FFT} {ACTRAN} which also uses the low reduced frequency model. The triangular tube implementation has been compared to the analytical case as well as the full Navier-Stokes implementation.},
+	pages = {193--201},
+	number = {2},
+	journaltitle = {Acta Acustica united with Acustica},
+	author = {Christensen, René},
+	date = {2011},
+	file = {Christensen - 2011 - Modeling the Effects of Viscosity and Thermal Cond.pdf:/home/anne/.literature/storage/I7TPZTVK/Christensen - 2011 - Modeling the Effects of Viscosity and Thermal Cond.pdf:application/pdf;ingentaconnect Modeling the Effects of Viscosity and Thermal Conduction on Acous...:/home/anne/.literature/storage/5KPM7UNC/art00002.html:text/html}
+}
+
+@thesis{nijhof_viscothermal_2010,
+	location = {E},
+	title = {Viscothermal wave propagation},
+	institution = {University of Twente},
+	type = {phdthesis},
+	author = {Nijhof, M. J. J.},
+	date = {2010},
+	file = {Nijhof - 2010 - Viscothermal wave propagation.pdf:/home/anne/.literature/storage/F4WV3C2J/Nijhof - 2010 - Viscothermal wave propagation.pdf:application/pdf}
+}
+
+@book{blackstock_fundamentals_2000,
+	location = {Hoboken, {NJ}, {USA}},
+	title = {Fundamentals of physical acoustics},
+	pagetotal = {541},
+	publisher = {John Wiley \& Sons},
+	author = {Blackstock, D.T.},
+	date = {2000}
+}
+
+@thesis{kampinga_viscothermal_2010,
+	location = {Enschede, The Netherlands},
+	title = {Viscothermal acoustics using finite elements: analysis tools for engineers},
+	institution = {University of Twente},
+	type = {phdthesis},
+	author = {Kampinga, W.R.},
+	date = {2010},
+	file = {Kampinga - 2010 - Viscothermal acoustics using finite elements anal.pdf:/home/anne/.literature/storage/E596NW5B/Kampinga - 2010 - Viscothermal acoustics using finite elements anal.pdf:application/pdf}
+}
+
+@misc{ward_deltaec_2017,
+	title = {{DeltaEC} Users Guide version 6.4b2.7},
+	url = {www.lanl.gov/thermoacoustics},
+	author = {Ward, W. C. and Clark, J. P. and Swift, G. W.},
+	urldate = {2018-01-22},
+	date = {2017-12-04},
+	file = {Ward e.a. - 2017 - DeltaEC Users Guide version 6.4b2.7.pdf:/home/anne/.literature/storage/MQKGHJ9I/Ward e.a. - 2017 - DeltaEC Users Guide version 6.4b2.7.pdf:application/pdf}
+}
+
+@thesis{van_der_eerden_noise_2000,
+	location = {Enschede, The Netherlands},
+	title = {Noise reduction with coupled prismatic tubes},
+	abstract = {The present investigation focuses on an accurate description of sound absorption. Within this research a new technique to create sound absorption for a predefined frequency band has been developed. Additionally, a simple and efficient numerical model for conventional sound absorbing materials, such as glass wool or foams, has been formulated. It is also demonstrated that the newly gained insights are useful in applications not directly related to sound absorption.},
+	institution = {University of Twente},
+	type = {phdthesis},
+	author = {van der Eerden, F.J.M.},
+	date = {2000-11},
+	file = {Eerden - 2000 - Noise reduction with coupled prismatic tubes.pdf:/home/anne/.literature/storage/JTAD25WQ/Eerden - 2000 - Noise reduction with coupled prismatic tubes.pdf:application/pdf}
+}
+
+@article{rienstra_introduction_2015,
+	title = {An introduction to acoustics},
+	volume = {18},
+	pages = {296},
+	journaltitle = {Eindhoven University of Technology},
+	author = {Rienstra, Sjoerd W and Hirschberg, Avraham},
+	date = {2015},
+	file = {Rienstra and Hirschberg - 2015 - An introduction to acoustics.pdf:/home/anne/.literature/storage/7E6VWDZ4/Rienstra and Hirschberg - 2015 - An introduction to acoustics.pdf:application/pdf}
+}
+
+@thesis{de_jong_numerical_2015,
+	location = {Enschede},
+	title = {Numerical modeling of thermoacoustic systems},
+	rights = {All rights reserved},
+	url = {http://doc.utwente.nl/96275/},
+	abstract = {The subject of this thesis is a relatively new class of heat engines and refrigerators, called thermoacoustic ({TA}) systems. {TA} systems have gained commercial interest due to their low number of moving parts and potentially high efficiency. In the case of a {TA} engine, heat is converted to acoustic power. This power can subsequently be converted to electricity using a ?reversed? loudspeaker, called a linear alternator. In a {TA} refrigerator, a speaker or linear alternator is used to generate a strong acoustic wave, which is used to pump heat. To achieve competitive power densities, thermoacoustic systems are generally run at such high amplitudes, that performance deteriorating nonlinear effects can no longer be neglected. To accu- rately predict performance in the nonlinear regime, nonlinear models are required. This thesis describes two contributions to the field of thermoacoustic system modeling. Firstly, a one-dimensional heat transfer model has been developed. This model can be used to estimate the performance of often used parallel-plate heat exchangers for thermoacoustic systems. These heat exchangers are located close to the stack or regenerator of a {TA} system and are responsible for the heat in/output required to let the system execute its thermodynamic cycle. The results of the model show a good match with a different heat transfer model from the literature, and the model provides guidelines for future heat exchanger design. Secondly, a nonlinear frequency domain method is developed with which the initial transient start-up process can be skipped in the simulations. The method can be used to directly simulate a {TA} system in its periodic steady-state. This significantly reduces computational cost, since the initial transient regime often involves several hundred oscillation cycles. The method is applied to a one-dimensional nonlinear model of {TA} systems. The model is used to simulate an experimental standing wave thermoacoustic engine from the literature. The obtained results are in agreement with literature results.},
+	institution = {Universiteit Twente},
+	type = {phdthesis},
+	author = {De Jong, J.A.},
+	date = {2015},
+	keywords = {my},
+	file = {Jong - 2015 - Numerical modeling of thermoacoustic systems.pdf:/home/anne/.literature/storage/GQTWDG7B/Jong - 2015 - Numerical modeling of thermoacoustic systems.pdf:application/pdf}
+}
+
+@article{aarts_approximation_2003,
+	title = {Approximation of the Struve function H1 occurring in impedance calculations},
+	volume = {113},
+	issn = {0001-4966},
+	url = {http://asa.scitation.org/doi/10.1121/1.1564019},
+	doi = {10.1121/1.1564019},
+	pages = {2635--2637},
+	number = {5},
+	journaltitle = {The Journal of the Acoustical Society of America},
+	author = {Aarts, Ronald M. and Janssen, Augustus J. E. M.},
+	urldate = {2017-10-21},
+	date = {2003-05},
+	langid = {english},
+	file = {Aarts and Janssen - 2003 - Approximation of the Struve function H1 occurring .pdf:/home/anne/.literature/storage/LUM2PYYD/Aarts and Janssen - 2003 - Approximation of the Struve function H1 occurring .pdf:application/pdf}
+}
+
+@thesis{christensen_acoustic_2010,
+	title = {Acoustic Modeling of Hearing Aid Components},
+	institution = {Syddansk Universitet},
+	type = {phdthesis},
+	author = {Christensen, René},
+	date = {2010},
+	file = {Christensen - 2010 - Acoustic Modeling of Hearing Aid Components.pdf:/home/anne/.literature/storage/ABISVJM8/Christensen - 2010 - Acoustic Modeling of Hearing Aid Components.pdf:application/pdf}
+}
+
+@article{karal_analogous_1953,
+	title = {The analogous acoustical impedance for discontinuities and constrictions of circular cross section},
+	volume = {25},
+	pages = {327--334},
+	number = {2},
+	journaltitle = {The Journal of the Acoustical Society of America},
+	author = {Karal, {FC}},
+	date = {1953},
+	file = {Karal - 1953 - The analogous acoustical impedance for discontinui.pdf:/home/anne/.literature/storage/ZSJSCHMS/Karal - 1953 - The analogous acoustical impedance for discontinui.pdf:application/pdf}
+}
+
+@article{keefe_acoustical_1984,
+	title = {Acoustical wave propagation in cylindrical ducts: Transmission line parameter approximations for isothermal and nonisothermal boundary conditions},
+	volume = {75},
+	pages = {58--62},
+	number = {1},
+	journaltitle = {The Journal of the Acoustical Society of America},
+	author = {Keefe, Douglas H},
+	date = {1984},
+	file = {Keefe - 1984 - Acoustical wave propagation in cylindrical ducts .pdf:/home/anne/.literature/storage/WPM2TBDL/Keefe - 1984 - Acoustical wave propagation in cylindrical ducts .pdf:application/pdf}
+}
+
+@article{thompson_analog_2014,
+	title = {Analog model for thermoviscous propagation in a cylindrical tube},
+	volume = {135},
+	pages = {585--590},
+	number = {2},
+	journaltitle = {The Journal of the Acoustical Society of America},
+	author = {Thompson, Stephen C and Gabrielson, Thomas B and Warren, Daniel M},
+	date = {2014},
+	file = {Thompson e.a. - 2014 - Analog model for thermoviscous propagation in a cy.pdf:/home/anne/.literature/storage/ZGSV8RWF/Thompson e.a. - 2014 - Analog model for thermoviscous propagation in a cy.pdf:application/pdf}
+}
+
+@article{benade_propagation_1968,
+	title = {On the propagation of sound waves in a cylindrical conduit},
+	volume = {44},
+	pages = {616--623},
+	number = {2},
+	journaltitle = {The Journal of the Acoustical Society of America},
+	author = {Benade, Arthur H},
+	date = {1968},
+	file = {Benade - 1968 - On the propagation of sound waves in a cylindrical.pdf:/home/anne/.literature/storage/E4GR6AXF/Benade - 1968 - On the propagation of sound waves in a cylindrical.pdf:application/pdf}
+}
+
+@book{morse_theoretical_1968,
+	title = {Theoretical acoustics},
+	publisher = {{McGraw}-Hill International Edition},
+	author = {Morse, Philip {McCord} and Ingard, K Uno},
+	date = {1968},
+	file = {Morse en Ingard - 1968 - Theoretical acoustics.pdf:/home/anne/.literature/storage/UD52GPB6/Morse en Ingard - 1968 - Theoretical acoustics.pdf:application/pdf}
+}
+
+@article{tsilingiris_thermophysical_2008,
+	title = {Thermophysical and transport properties of humid air at temperature range between 0 and 100 C},
+	volume = {49},
+	pages = {1098--1110},
+	number = {5},
+	journaltitle = {Energy Conversion and Management},
+	author = {Tsilingiris, {PT}},
+	date = {2008},
+	file = {Tsilingiris - 2008 - Thermophysical and transport properties of humid a.pdf:/home/anne/.literature/storage/65SE4BDX/Tsilingiris - 2008 - Thermophysical and transport properties of humid a.pdf:application/pdf}
+}
+
+@article{cramer_variation_1993,
+	title = {The variation of the specific heat ratio and the speed of sound in air with temperature, pressure, humidity, and {CO}2 concentration},
+	volume = {93},
+	pages = {2510--2516},
+	number = {5},
+	journaltitle = {The Journal of the Acoustical Society of America},
+	author = {Cramer, Owen},
+	date = {1993},
+	file = {Cramer - 1993 - The variation of the specific heat ratio and the s.pdf:/home/anne/.literature/storage/ZCGL7MPK/Cramer - 1993 - The variation of the specific heat ratio and the s.pdf:application/pdf}
+}
+
+@book{young_roarks_2002,
+	title = {Roark's formulas for stress and strain},
+	volume = {7},
+	publisher = {{McGraw}-Hill New York},
+	author = {Young, Warren Clarence and Budynas, Richard Gordon},
+	date = {2002},
+	file = {Young en Budynas - 2002 - Roark's formulas for stress and strain.pdf:/home/anne/.literature/storage/5VJDJLYP/Young en Budynas - 2002 - Roark's formulas for stress and strain.pdf:application/pdf}
+}
+
+@inproceedings{kuipers_investigations_2017,
+	location = {Kiel, Germany},
+	title = {Investigations on acoustic radiation by hearing aid tubes},
+	eventtitle = {{DAGA} 2017},
+	author = {Kuipers, Erwin Reinder and Westhausen, Nils},
+	date = {2017}
+}
+
+@article{welch_use_1967,
+	title = {The use of fast Fourier transform for the estimation of power spectra: a method based on time averaging over short, modified periodograms},
+	volume = {15},
+	pages = {70--73},
+	number = {2},
+	journaltitle = {{IEEE} Transactions on audio and electroacoustics},
+	author = {Welch, Peter},
+	date = {1967}
+}

tex/preamble.tex

@@ -0,0 +1,264 @@
+
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+% width: 170 mm
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+% This code is for stock size a4 and small crop signs
+% a4 stock size
+% \stockaiv
+% a4 is 297 hoog bij 210 breed. We zetten de trim op (297-240)/2=28.5mm
+% bij (210-170)/2=20
+% \setpagecc{240mm}{170mm}%Setting trimmed page centered on stock
+%Do this for final to press
+% \trimXmarks
+% \trimLmarks
+% For preview PDF
+% \trimFrame
+
+% This code is for the digital version
+%\setstocksize{240mm}{170mm}
+%\settrimmedsize{240mm}{170mm}{*}
+%\showtrimsoff
+% End code for digital version
+
+\usepackage{fancyhdr}
+\fancyhead[RO,LE]{ \includegraphics[width=0.2\textwidth]{img_default/ascee_beeldmerk.pdf} }
+\fancyhead[RE,LO]{}
+% \fancyfoot[RO,LE]{\textbf{\footnotesize{Confidential}}}
+
+% Copyright sign \textcopyright, \textregistered
+\usepackage{textcomp}
+
+
+\usepackage{xcolor}
+%\definecolor{asceegray}{RGB}{79,76,77}
+\definecolor{asceegray}{HTML}{4f4c4d}
+
+\usepackage{lipsum}
+\date{\today}
+%\date{Vul datum in in preamble}
+
+
+% Use SI unitx package
+\usepackage{siunitx}
+\sisetup{sticky-per = true}%
+\sisetup{inter-unit-product = \ensuremath{ {} \!\cdot\!{} } } 
+% We use engineering scientific notation
+%\sisetup{scientific-notation=engineering} %
+\sisetup{exponent-product=\!\cdot\!}
+
+
+% Margins
+% \setlrmarginsandblock{2.25cm}{1.75cm}{*}
+% \setulmarginsandblock{3cm}{2.5cm}{*} %Top and bottom margin
+% \checkandfixthelayout
+
+
+% \usepackage[dutch,english]{babel}
+% \usepackage[T1]{fontenc}
+
+%\usepackage{pifont}
+\usepackage{import}
+
+\usepackage{xcolor}
+
+% If we use non-tex fonts we need this for biblatex
+% \usepackage{polyglossia}
+% \setdefaultlanguage{english}
+
+\usepackage[%
+giveninits=true,
+doi=false,
+url=false,
+isbn=false,
+%% natbib=true,
+%% date=year,
+bibencoding=utf8,
+% style=numeric-comp,
+backend=biber,
+% refsection=chapter, % If we want bibliographies per chapter
+]{biblatex}
+
+
+\DeclareFieldFormat*{url}{}
+\DeclareFieldFormat[misc]{url}{\mkbibacro{URL}\addcolon\space\url{#1}}
+\DeclareFieldFormat[report]{url}{\mkbibacro{URL}\addcolon\space\url{#1}}
+\DeclareFieldFormat*{urldate}{}
+\DeclareFieldFormat[misc]{urldate}{\mkbibparens{\bibstring{urlseen}\space#1}}
+\DeclareFieldFormat[report]{urldate}{\mkbibparens{\bibstring{urlseen}\space#1}}
+\renewbibmacro{in:}{}
+
+% We need absolute path to the bibliography here, or it should be in
+% the same directory
+\addbibresource{lrftubes.bib}
+
+% Separate the items in the bibliography somewhat
+% \setlength{\bibsep}{4pt}
+
+\newcommand{\lrftubes}{\textbf{\texttt{LRFTubes}}}
+\newcommand{\lrftubess}{\lrftubes\ }
+% Customize the caption of the figures and tables
+\usepackage[margin=10pt,font={footnotesize},labelfont=bf,labelsep=endash]{caption}
+
+%Chapter style
+% Set chapter style demo with sans serif font family
+%% \chapterstyle{bianchi}
+%% \chapterstyle{madsen}
+% \chapterstyle{thatcher}
+% ABSTRACT ----------------------------------------------------------
+% \setlength\absrightindent{0pt}
+% \setlength\absleftindent{0pt}
+% \renewcommand{\abstractname}{}
+% \addto{\captionsenglish}{\renewcommand{\abstractname}{}}
+% \renewcommand{\abstracttextfont}{\normalfont\small\itshape}
+% \abstractrunin
+% Make table of contents and other lists wrap words for long chapter
+% titles
+
+% \addtocontents{lof}{\protect\sloppy}
+% \listoffigures
+% \addtocontents{lot}{\protect\sloppy}
+% \listoftables
+
+% Some fancy header settins
+% \nouppercaseheads
+% \pagestyle{headings} % customized:
+%     \makeevenhead{headings}{\thepage}{}{\small\leftmark}
+%     \makeoddhead{headings}{\small\rightmark}{}{\thepage}
+%     \makeevenfoot{plain}{}{\thepage}{}
+%    \makeoddfoot{plain}{}{\thepage}{}
+%    \makeheadrule{headings}{\textwidth}{\normalrulethickness}
+
+% % Blind footnotes at Chapters
+% \newcommand\blfootnote[1]{%
+%   \begingroup
+%   \renewcommand\thefootnote{}\footnote{#1}%
+%   \addtocounter{footnote}{-1}%
+%   \endgroup
+% }
+
+% Replace the colored links with just black ones
+% \definecolor{green}{cmyk}{1,1,1,1}
+% \definecolor{red}{cmyk}{1,1,1,1}
+% \definecolor{magenta}{cmyk}{1,1,1,1}
+
+
+% Roman font for URL in Bibliography
+\urlstyle{rm}
+
+
+%% References to plot lines
+% \newcommand{\plotref}[1]{\protect\ref{#1}}
+%% \newcommand{\plotref}[1]{#1}
+
+% Some hacks to get proper names and ordering in the bibliography
+
+% Use in the bibtex file:
+% @PREAMBLE{ {\providecommand{\noopsort}[1]{}} }
+% To get the "Lord" of Lord Rayleigh as a prefix instead of a abbreviated first
+% name. In the bibtex item the author is provided as:
+% author = {{\noopsort{Rayleigh}}{Lord Rayleigh}},
+
+% To get nice copyright symbol
+\usepackage{textcomp}
+
+% To get the 'draft' watermark
+\usepackage{watermark}
+
+% New definition of square root:
+% it renames \sqrt as \oldsqrt
+% \let\oldsqrt\sqrt
+% it defines the new \sqrt in terms of the old one
+% \def\sqrt{\mathpalette\DHLhksqrt}
+% \def\DHLhksqrt#1#2{%
+% \setbox0=\hbox{$#1\oldsqrt{#2\,}$}\dimen0=\ht0
+% \advance\dimen0-0.2\ht0
+% \setbox2=\hbox{\vrule height\ht0 depth -\dimen0}%
+% {\box0\lower0.4pt\box2}}
+% End code to redefine sqrt
+
+% \let\originalleft\left
+% \let\originalright\right
+% \def\left#1{\mathopen{}\originalleft#1}
+% \def\right#1{\originalright#1\mathclose{}}
+
+
+
+%Nice tables
+\usepackage{booktabs}
+%More space between rows:
+\renewcommand{\arraystretch}{1.2} %(or 1.3)
+
+% The fixmath package is to make uppercase greek letters appear in italic, not straight up
+\usepackage{fixmath}
+
+% For psfrag
+%\usepackage{psfrag}
+
+% Define color yellow
+\definecolor{yellow}{RGB}{211,211,0}
+\newcommand{\hl}[1]{\colorbox{yellow}{#1}}
+
+
+% Nomenclature
+\usepackage{nomencl}
+\renewcommand{\nomgroup}[1]{%
+\ifthenelse{\equal{#1}{A}}{\item[\textbf{Roman symbols}]}{%
+\ifthenelse{\equal{#1}{G}}{\item[\textbf{Greek symbols}]}{%
+\ifthenelse{\equal{#1}{O}}{\item[\textbf{Abbreviations and acronyms}]}{%
+\ifthenelse{\equal{#1}{C}}{\item[\textbf{Calligraphic Symbols}]}{%
+\ifthenelse{\equal{#1}{B}}{\item[\textbf{Abbreviations}]}{%
+\ifthenelse{\equal{#1}{S}}{\item[\textbf{Sub- and superscripts}]}{%
+\ifthenelse{\equal{#1}{D}}{\item[\textbf{Decorators}]}{%
+\ifthenelse{\equal{#1}{M}}{\item[\textbf{Miscellaneous symbols and operators}]}
+{}
+}%Decorators
+}% matches mathematical symbols
+}
+}
+}% matches Subscripts
+}% matches Abbreviations
+}% matches Greek Symbols
+}% matches Roman Symbols
+
+
+%\newcommand{\nomunit}[1]{%
+%\renewcommand{\nomentryend}{\hspace*{\fill}#1}}
+% This one is with fill dots
+\newcommand{\nomunit}[1]{%
+\renewcommand{\nomentryend}{\dotfill[#1]}}
+\newcommand{\nonomunit}{%
+\renewcommand{\nomentryend}{\dotfill}}
+
+\renewcommand\nomname{List of symbols}
+
+% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%Item separation in itemize and enumerate
+
+\let\oldenumerate=\enumerate
+\def\enumerate{
+\oldenumerate
+\setlength{\itemsep}{0pt}
+}
+%% Itemize spacing
+\let\olditemize=\itemize
+\def\itemize{
+\olditemize
+\setlength{\itemsep}{0pt}
+}
+
+
+%% For the caption of graphics
+
+% Define lines for use in captions \lXYZ
+% X = black(b), dark(d), light(l)
+% Y = solid(s), dashed(da), dash-dot (dd)
+% Z = normal(), thick(t)
+
+% \input{tex/hyphenation.tex}
+%% This package does not work together with hyphenation advice?
+%% \usepackage[english=usenglishmax]{hyphsubst}
+