Investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of Pakistan

Ten-year hourly recorded wind meteorological data at six sites along the coastline of Pakistan at two heights (10 and 50 m) were extrapolated to two higher heights (80 and 100 m). Monthly and seasonal analysis of variation in air density (ρ), wind speed, Weibull parameters ( K and C ), wind power de...

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Main Authors: Muhammad Sumair, Tauseef Aized, Syed Asad Raza Gardezi, Syed Muhammad Sohail Rehman, Syed Ubaid ur Rehman
Format: Article
Language:English
Published: SAGE Publishing 2021-11-01
Series:Energy Exploration & Exploitation
Online Access:https://doi.org/10.1177/0144598720930422
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author Muhammad Sumair
Tauseef Aized
Syed Asad Raza Gardezi
Syed Muhammad Sohail Rehman
Syed Ubaid ur Rehman
author_facet Muhammad Sumair
Tauseef Aized
Syed Asad Raza Gardezi
Syed Muhammad Sohail Rehman
Syed Ubaid ur Rehman
author_sort Muhammad Sumair
collection DOAJ
description Ten-year hourly recorded wind meteorological data at six sites along the coastline of Pakistan at two heights (10 and 50 m) were extrapolated to two higher heights (80 and 100 m). Monthly and seasonal analysis of variation in air density (ρ), wind speed, Weibull parameters ( K and C ), wind power density, and wind energy density with height was investigated. Analysis shows that wind shear coefficient is highest in winter and lowest in summer. ρ, wind speed, wind power density, and wind energy density all increase with increasing hub height, with the most prominent increment in winter and the lowest in summer. With increasing height, K has been found to decrease slightly while C increases. Techno-economic feasibility analysis of annual energy production using 15 turbines was carried out which shows that capacity factor alone cannot render a turbine feasible but also economic assessment is mandatory to evaluate the feasibility of turbines. G1 and G2 turbines have been found the best options while B5 and V2 as the worst. Comparison among sites shows that Karachi is the most potential site with cost of energy of $0.017/kW h while Jiwani is the worst site with cost of energy of $0.039/kW h both at 100 m height.
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spelling doaj.art-a3da8fa751634db4a584882f246b671f2022-12-21T18:37:00ZengSAGE PublishingEnergy Exploration & Exploitation0144-59872048-40542021-11-013910.1177/0144598720930422Investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of PakistanMuhammad SumairTauseef AizedSyed Asad Raza GardeziSyed Muhammad Sohail RehmanSyed Ubaid ur RehmanTen-year hourly recorded wind meteorological data at six sites along the coastline of Pakistan at two heights (10 and 50 m) were extrapolated to two higher heights (80 and 100 m). Monthly and seasonal analysis of variation in air density (ρ), wind speed, Weibull parameters ( K and C ), wind power density, and wind energy density with height was investigated. Analysis shows that wind shear coefficient is highest in winter and lowest in summer. ρ, wind speed, wind power density, and wind energy density all increase with increasing hub height, with the most prominent increment in winter and the lowest in summer. With increasing height, K has been found to decrease slightly while C increases. Techno-economic feasibility analysis of annual energy production using 15 turbines was carried out which shows that capacity factor alone cannot render a turbine feasible but also economic assessment is mandatory to evaluate the feasibility of turbines. G1 and G2 turbines have been found the best options while B5 and V2 as the worst. Comparison among sites shows that Karachi is the most potential site with cost of energy of $0.017/kW h while Jiwani is the worst site with cost of energy of $0.039/kW h both at 100 m height.https://doi.org/10.1177/0144598720930422
spellingShingle Muhammad Sumair
Tauseef Aized
Syed Asad Raza Gardezi
Syed Muhammad Sohail Rehman
Syed Ubaid ur Rehman
Investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of Pakistan
Energy Exploration & Exploitation
title Investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of Pakistan
title_full Investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of Pakistan
title_fullStr Investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of Pakistan
title_full_unstemmed Investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of Pakistan
title_short Investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of Pakistan
title_sort investigation of wind shear coefficients and their effect on annual energy yields along the coastal sites of pakistan
url https://doi.org/10.1177/0144598720930422
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