2013

Yang H, Kang J, Cheal C, Van Renterghem T, Botteldooren D. Quantifying scattered sound energy from a single tree by means of reverberation time. Journal of the Acoustical Society of America, (in press).

Fotios S, Cheal C. Using obstacle detection to identify appropriate illuminances for lighting in residential roads. Lighting Research & Technology, 2013; 45(3); 362-376.

Kang J, Yang H, Cheal C. Absorption and scattering characteristics of soil and foliage. Proceedings of the Institute of Acoustics, Vol. 35, Pt.1, Nottingham, United Kingdom, (2013).

Yang H, Kang J, Cheal C. Random-incidence absorption and scattering coefficients of vegetation. Acta Acustica united with Acustica, 99(3), pp. 379-388, 2013.

Fotios S, Atli D, Cheal C. Comparing metrics for relative spatial brightness under lamps of different spectral power. Proc. of the 7th Lux Pacifica, Bangkok; March 6-8, 2013; pp. 209-212.

Fotios S, Uttley J, Cheal C. What is the right light level for residential roads? Proc. of the 7th Lux Pacifica, Bangkok; March 6-8, 2013; pp.256-259.

2012

Uttley J, Fotios S, Cheal C. (2012): Satisfaction and illuminances set with user-controlled lighting, Architectural Science Review, DOI:10.1080/00038628.2012.724380.

Horoshenkov KV, Khan A, Benkreira H, Yang H, Cheal C, Smyrnova J, Kang J. Acoustical properties of living plants. Proceedings of the Institute of Acoustics 34(Part 1):68-75, 2012.

Fotios S, Uttley J, Cheal C. User Control And Satisfaction With Different Illuminance Ranges. CIE 2012 conference: Lighting Quality & Energy Efficiency. Hangzhou, China. 19-21 September 2012. pp185-195.

Yang H-S, Cheal C, Kang J. Random-Incidence Absorption and scattering Coefficients of Low Growing Vegetation. Ninth European Conference on Noise Control, Prague, Czech Republic, 10-13 June 2012.

Horoshenkov K, Khan A, Yang H, Cheal C, Smyrnowa J, Kang J. In-situ characterization of hedges with a parametric acoustic transducer. J. Acoust. Soc. Am. Volume 131, Issue 4, pp. 3462-3462 (2012).

Smyrnova Y, Blackford C, Cheal C, Kang J. Diffusion coefficient of vegetation: measurements and simulation. Proceedings of Acoustics 2012 [Joint meeting of the French Acoustical Society and UK Institute of Acoustics], Nantes, France, 23-27 April 2012, pp. 4083-4089.

Fotios S, Atli D, Cheal C, Houser K, Logadóttir A. A Review of Lamp Spectrum and Spatial Brightness. Predicting Perceptions: Proceedings of the 3rd International Conference on Appearance, pp. 169-171, Edinburgh, UK, ISBN 978-1-4716-6869-2, April 2012.

2011

Yang H, Kang J , Cheal C, Renterghem T, Botteldooren D. Sound dispersion and reverberation by a single tree. Inter-noise. Osaka, Japan. Sep 4-7, 2011.

Fotios SA, Logadóttir Á, Cheal C, Christoffersen J. Using adjustment to define preferred illuminances: Do the results have any value? 27th Session of the CIE, Sun City, South Africa, 10-15 July 2011. Volume 1, 203-212.

Cheal C, Yang H, Kang J, Smyrnova Y. Experimental Study on the Effects of Vegetation Coverage and Soil Depth and Water Content on Sound Absorption. 6th Forum Acusticum. Aalborg, Denmark. 26 June - 1 July, 2011.

Y. Smyrnova, J. Kang, C. Cheal, and H. Yang, (2011) Numerical simulation of the effects of vegetation on sound fields in urban spaces, Proceedings of the Forum Acousticum 2011, Aalborg, Denmark. 26 June - 1 July, 2011.

Fotios S, Cheal C. Predicting lamp spectrum effects at mesopic levels. Part 2: Preferred appearance and visual acuity. Lighting Research & Technology. June 2011 43: 159-172.

Fotios S, Cheal C. Predicting lamp spectrum effects at mesopic levels. Part 1: Spatial brightness. Lighting Research & Technology. June 2011 43: 143-157.
Fotios S, Cheal C. Brightness matching with visual fields of different types. Lighting Research & Technology. March 2011 43: 73-85.

Kang, J. Hornikx, M., Forssen, J., Botteldooren, D., Van Renterghem, T., Yang, H., Smyrnova, Y., Cheal, C. and Mandon A. (2011) Vegetation in urban streets, squares and courtyards. In: Nilsson, M. and Klæboe, R. (ed.) Environmental Methods for Transport Noise Reduction, Taylor & Francis, London, Chapter 7 [Invited contribution]

Fotios SA & Cheal C, Brightness Matching With Visual Fields Of Different Types, Lighting Research & Technology, 2011; 43(1); 73-85

2010

Smyrnova Y, Kang J, Cheal C, Tijs E, de Bree H-E. (2010) Laboratory test of sound absorption of vegetation. EAA Euroregio. 1st European Congress on Sound and Vibration. 15-18 September 2010, Ljubljana, Slovenia.

Fotios S & Cheal C, Stimulus range bias explains the outcome of preferred-illuminance adjustments. Lighting Research & Technology, 2010; 42(4): 433-447.

Fotios S, Cheal C. A Comparison of Simultaneous and Sequential Brightness Judgements. Lighting Research & Technology, 2010, 42: 183-197.

Fotios S, Cheal C. Predicting Spatial Brightness At Mesopic Levels. Proceedings of CIE 2010 Lighting Quality and Energy Efficiency, 14-17 March 2010, Vienna. pp 465-474.

Fotios S, Houser K, Cheal C, Royer M. A Comparison Of Simultaneous And Sequential Evaluations Of Spatial Brightness Suggests The Pupil Size Mechanism Is Not Responsible For Spatial Brightness. CIE 2010 Lighting Quality and Energy Efficiency, 14-17 March 2010, Vienna. pp 428-438.

Fotios S, Cheal C. Stimulus Range Bias And Estimates Of Preferred Illuminance. CIE 2010 Lighting Quality and Energy Efficiency, 14-17 March 2010, Vienna. pp 525-532.

2009

Fotios S, Cheal C. Road lighting for pedestrians in residential areas: Choosing the optimum lamp colour characteristics. Selected Papers of the CIE Light and Lighting Conference with Special Emphasis on LEDs and Solid State Lighting. 27-29 May 2009, Budapest, Hungary, CIE x034:2010. pp 29-38.

Fotios S, Cheal C. Road lighting for pedestrians in residential areas: Choosing the optimum lamp colour characteristics, Svetotekhnika, 2009; 6; 28-36.

Fotios S, Cheal C. Obstacle detection: A pilot study investigating the effects of lamp type, illuminance and age, Lighting Research & Technology, 2009; 41(4); 321-342.

Fotios S, Cheal C. Spectrum-Balanced Illuminance Reductions For Exterior Lighting, Lux Europa, Istanbul, 2009, 1207-1212.

Fotios S & Cheal C, Lighting Spectrum And Obstacle Detection For Pedestrians, Lux Europa, Istanbul, 2009, 1171-1176.

Fotios S, Cheal C. Road lighting for pedestrians in residential areas: Choosing the optimum lamp colour characteristics, CIE Light & Lighting conference, Budapest, 27-29 May 2009.

Fotios S, Cheal C. Lighting Spectrum and Obstacle Detection for Pedestrians, Proc. of the 6th Lux Pacifica, Bangkok, 23-25 April 2009, pp107-110.

Fotios S, Cheal C. The Specification of White Exterior Lighting, Proc. of the 6th Lux Pacifica, Bangkok, 23-25 April 2009, pp93-96.

2008

Fotios S, Cheal C. Lamp Spectrum, Illuminance and the Pedestrian’s Ability to Detect Obstacles, Lighting Journal, 2008; 73(6); 35-41.

Fotios S, Houser KW, Cheal C. Counterbalancing Needed to Avoid Bias in Side-By-Side Brightness Matching Tasks, Leukos, 2008: 4(4); 207-223.

Fotios S, Cheal C. The Effect of a Stimulus Frequency Bias in Side-By-Side Brightness Ranking Tests, Lighting Research & Technology, 2008; 40(1); 43-54.

2007
Fotios S, Cheal C. Evidence For Response Contraction Bias In Side-By-Side Matching Tasks, Lighting Research & Technology, 2007; 39(2); 159-169.

Fotios S, Cheal C. Lighting for subsidiary streets: investigation of lamps of different SPD. Part 2 – Brightness, Lighting Research & Technology, 2007; 39(3); 233-252.

Fotios S, Cheal C. Lighting for subsidiary streets: investigation of lamps of different SPD. Part 1 – Visual Performance, Lighting Research & Technology, 2007; 39(3); 215-232.

2006

Fotios S, Cheal C. Limitations to the Application of the White Light Trade-Off in Street Lighting, Lighting Journal, December 2006; 71(6): 24-29.

Fotios S, Cheal C. Investigations into the white light trade-off for lighting in subsidiary streets, ILE Annual Conference, Manchester, October 2006.

Fotios S, Cheal C. Designing for white light in subsidiary streets, Urban Nightscape 2006, annual meeting of CIE divisions 4 & 5, Athens, 21-23 September 2006, pp. 42-44.

Fotios S, Cheal C, Boyce PR. Light Source Spectrum, Brightness Perception and Visual Performance in Pedestrian Environments: A Review, Lighting Research & Technology, 2005; 37(4); 271-294 (Leon Gaster Award 2006 from Society of Light & Lighting).

2005

Fotios S, Cheal C. Is white light the right light?, The Lighting Journal, 70(1), 22-25 (2005).

Fotios S, Cheal C. Validating the white light illuminance trade-off permitted in pedestrian lighting, Local authority Lighting 2005, The Royal Institution of Great Britain, London, 8th December 2005, ILE/Surveyor 2005.

Fotios S, Cheal C. The white light illuminance trade off permitted in UK design for pedestrian areas: Can it be validated?, x028:2005: Proceedings of the CIE Symposium '05 "Vision and Lighting in Mesopic Conditions", 21 May 2005, Leon, Spain, pp.50-55.