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Abu Hanipah, A F F and Tahar, K N (2018) Development of the 3D dome model based on a terrestrial laser scanner. International Journal of Building Pathology and Adaptation, 36(02), 122–36.

Adebisi, E O, Ojo, S O and Alao, O O (2018) Assessment of factors influencing the failure and abandonment of multi-storey building projects in Nigeria. International Journal of Building Pathology and Adaptation, 36(02), 210–31.

Belabed, Y, Kerboua, B and Tarfaoui, M (2019) New design for reducing interfacial stresses of reinforced structures with FRP plates. International Journal of Building Pathology and Adaptation, 37(02), 196–207.

Chew, M Y, Conejos, S and Law, J S L (2017) Green maintainability design criteria for nanostructured titanium dioxide (TiO₂) façade coatings. International Journal of Building Pathology and Adaptation, 35(02), 139–58.

Chua, S J L, Zubbir, N B, Ali, A S and Au-Yong, C P (2018) Maintenance of high-rise residential buildings. International Journal of Building Pathology and Adaptation, 36(02), 137–51.

de Bem, D H, Lima, D P B and Medeiros-Junior, R A (2018) Effect of chemical admixtures on concrete’s electrical resistivity. International Journal of Building Pathology and Adaptation, 36(02), 174–87.

Enshassi, A, Elzebdeh, S and Mohamed, S (2017) Drivers affecting household residents’ water and related energy consumption in residential buildings. International Journal of Building Pathology and Adaptation, 35(02), 159–75.

Eriksson, P, Milić, V and Brostrom, T (2019) Balancing preservation and energy efficiency in building stocks. International Journal of Building Pathology and Adaptation, 38(02), 356–73.

Februandari, A (2019) Authenticity in cultural built heritage: learning from Chinese Indonesians’ houses. International Journal of Building Pathology and Adaptation, 38(02), 262–78.

Hadidi, L, Assaf, S, Aluwfi, K and Akrawi, H (2017) The effect of ISO 9001 implementation on the customer satisfaction of the engineering design services. International Journal of Building Pathology and Adaptation, 35(02), 176–90.

Hilal, M, Maqsood, T and Abdekhodaee, A (2019) A scientometric analysis of BIM studies in facilities management. International Journal of Building Pathology and Adaptation, 37(02), 122–39.

Hopkin, T, Lu, S, Rogers, P and Sexton, M (2017) Key stakeholders’ perspectives towards UK new-build housing defects. International Journal of Building Pathology and Adaptation, 35(02), 110–23.

Kulkarni, S S, Chapman, C, Shah, H and Edwards, D J (2018) A computational design method for bio-mimicked horizontal axis tidal turbines. International Journal of Building Pathology and Adaptation, 36(02), 188–209.

• Type: Journal Article
• Keywords: Comparative analysis; Horizontal axis tidal turbine; Tidal energy; Bio-mimicry; Direct design method;
• ISBN/ISSN: 2398-4708
• URL: https://doi.org/10.1108/IJBPA-06-2017-0029
• Abstract:
  The purpose of this paper is to conduct a comparative analysis between a straight blade (SB) and a curved caudal-fin tidal turbine blade (CB) and to examine the aspects relating to geometry, turbulence modelling, non-dimensional forces lift and power coefficients. The comparison utilises results obtained from a default horizontal axis tidal turbine with turbine models available from the literature. A computational design method was then developed and implemented for “horizontal axis tidal turbine blade”. Computational fluid dynamics (CFD) results for the blade design are presented in terms of lift coefficient distribution at mid-height blades, power coefficients and blade surface pressure distributions. Moving the CB back towards the SB ensures that the total blade height stays constant for all geometries. A 3D mesh independency study of a “straight blade horizontal axis tidal turbine blade” modelled using CFD was carried out. The grid convergence study was produced by employing two turbulence models, the standard k-ε model and shear stress transport (SST) in ANSYS CFX. Three parameters were investigated: mesh resolution, turbulence model, and power coefficient in the initial CFD, analysis. It was found that the mesh resolution and the turbulence model affect the power coefficient results. The power coefficients obtained from the standard k-ε model are 15 to 20 per cent lower than the accuracy of the SST model. Further analysis was performed on both the designed blades using ANSYS CFX and SST turbulence model. The variation in pressure distributions yields to the varying lift coefficient distribution across blade spans. The lift coefficient reached its peak between 0.75 and 0.8 of the blade span where the total lift accelerates with increasing pressure before drastically dropping down at 0.9 onwards due to the escalating rotational velocity of the blades. The work presents a computational design methodological approach that is entirely original. While this numerical method has proven to be accurate and robust for many traditional tidal turbines, it has now been verified further for CB tidal turbines.

Lukito, J A, Susilawati, C and Goonetilleke, A (2019) Climate change adaptation in the management of public buildings: an Indonesian context. International Journal of Building Pathology and Adaptation, 37(02), 140–62.

Mahmoud, A S, Sanni-Anibire, M O and Hassanain, M A (2017) Performance-based fire safety evacuation of an auditorium facility using a theoretical calculation method. International Journal of Building Pathology and Adaptation, 35(02), 124–38.

Mahmoud, A S, Sanni-Anibire, M O, Hassanain, M A and Ahmed, W (2019) Key performance indicators for the evaluation of academic and research laboratory facilities. International Journal of Building Pathology and Adaptation, 37(02), 208–30.

Organ, S (2019) The opportunities and challenges of improving the condition and sustainability of a historic building at an international tourist attraction in the UK. International Journal of Building Pathology and Adaptation, 38(02), 329–55.

Roberts, C J, Pärn, E A, Edwards, D J and Aigbavboa, C (2018) Digitalising asset management: concomitant benefits and persistent challenges. International Journal of Building Pathology and Adaptation, 36(02), 152–73.

Sharma, M and Lee, A (2019) Dementia-friendly heritage settings: a research review. International Journal of Building Pathology and Adaptation, 38(02), 279–310.

Tunefalk, M, Legner, M and Leijonhufvud, G (2019) Long-term effects of additional insulation of building façades in Sweden. International Journal of Building Pathology and Adaptation, 38(02), 374–85.

Watts, G, Fernie, S and Dainty, A (2019) Paradox and legitimacy in construction: how CSR reports restrict CSR practice. International Journal of Building Pathology and Adaptation, 37(02), 231–46.

Whitman, C J, Prizeman, O, Walker, P and Gwilliam, J A (2019) Heritage retrofit and cultural empathy; a discussion of challenges regarding the energy performance of historic UK timber-framed dwellings. International Journal of Building Pathology and Adaptation, 38(02), 386–404.

Zahari, N F, Che-Ani, A I, Abdul Rashid, R B, Mohd Tahir, M A and Amat, S (2019) Factors contribute in development of the assessment framework for wheelchair accessibility in National Heritage Buildings in Malaysia. International Journal of Building Pathology and Adaptation, 38(02), 311–28.

Zalejska Jonsson, A and Hungria Gunnelin, R (2019) Defects in newly constructed residential buildings: owners’ perspective. International Journal of Building Pathology and Adaptation, 37(02), 163–85.

Zolkafli, U K, Zakaria, N, Mohammad Mazlan, A and Ali, A S (2019) Maintenance work for heritage buildings in Malaysia: owners’ perspectives. International Journal of Building Pathology and Adaptation, 37(02), 186–95.