Seeding Energy sustainability through transformative teaching: any way forward for sub-Sahara...
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Seeding energy sustainability through transformative teaching: any way forward for sub-Sahara Africa?
Kant E Kanyarusoke Cape Peninsula University of Technology, Cape Town – South Africa
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•MEETING SOME SSA HOME ENERGY NEEDS SUSTAINABLY
•SEEDING SUSTAINABILITY THROUGH PRACADEMIA
•TRANSFORMATIVE TEACHING
•PrBL EXAMPLES TO MEET SSA ENERGY & EE CHALLENGES
HIGHLIGHTS
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SUB-SAHARAN AFRICA – ENERGY PROBLEM
http://solarjourneyusa.com/solarvsgas.php
SOLAR HOURS DISTRIBUTION• 48 SMALL
UNDERDEVELOPED COUNTRIES
• 949 Mn. PEOPLE (PRB, 2015)
• 247 kWh/person annually ( ⩰ 4781 - SA; 150 -others cf. 10 000 for DEVELOPED WORLD)
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ENERGY CHALLENGES•ENGINEERINGoGENERATION & TRANSMISSIONoMAINTENANCE
•ECONOMICSoFINANCINGoDISTRIBUTIONoLOW INDUSTRIALISATION
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ENG. EDUC. CHALLENGESFROM LITERATUREoFUNDING (Owolabi & Rafiu 2010, etc.) oCURRICULA (Falade 2007, etc.)oSTUDENT COHORTS (Oryem-Origa 2010, etc.)oSOCIETY EXPECTATIONS (Akintola 2002)
ADDo PREVAILING SOCIETY BELIEFSo ATTITUDINAL ISSUES
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THE PROBLEMWithin limitations of an engineering academic, what can be done to sensitize and activate students’ actions on SSA’s Energy problems?
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METHODOLGY(1) – THE PRACADEMIC MODEL
TEACHING & LEARNING (T)
• CURRICULUM DELIVERY
• ASSESSMENTS
RESEARCH (R)
• PUBLICATIONS
• PG SUPERVISION
SERVICE (S)• MANAGEMENT/ADMINISTRATION
• COMMUNITY INVOLVEMENT
T R
S
x1 x2
x3
x4
x5
x6
x7
x8
x1 – Teaching alonex2 – Research alonex3 – Service alonex4 – Teaching students using
outside workx5 – Teaching students using
Researchx6 – Research for society outside
campusx7 – Teaching students through
Research for society outside campus
x8 – Personal non academic or professional work
THE PRACADEMIC FOCUSES HIS/HER TEACHING (T) AND RESEARCH (R) ON SOLVING SOCIETY’S PROBLEMS (S)
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METHODOLGY– Transformative Teaching
1(T)
4(T+S)
5(T+R)
Finley (2015)• Constructivist Learning
Experiences
• Arts and Science in
teaching
• Symphonic teaching
• Facilitating Productive
struggle
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METHODOLGY– Transformative Teaching using PrBL
PrBL PEDAGOGY (Baş, 2011, Uziak, 2016 etc)
•Most Energy Eng. Work is Project based•Transition from Eng. Sc. to Eng. Design (Savage, 2007)
1(T)
4(T+S)
5(T+R)USED IN EACH OF 4 JOB ELEMENTS OF TEACHING ‘T’
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TRANSFORMATIVE TEACHING FOR SUSTAINABLE ENERGY - EXAMPLE 1: WATER HEATING
INITIAL DESIGN: 2012; 100 L; C = ZAR 1000; Tmax = 40.1°C
MAINTAINED, REDESIGNED 2013-15; 30 L; C = ZAR 1200-1700; Tmax = 52-67°C
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TRANSFORMATIVE TEACHING FOR SUSTAINABLE ENERGY - EXAMPLE 2: RURAL WATER PURIFICATION
MODEL WATER PURIFIER: DIPLOMA STUDENTS 2014
PROTOTYPE WATER PURIFIER: MASTERS STUDENT 2014-15
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TRANSFORMATIVE TEACHING FOR SUSTAINABLE ENERGY - EXAMPLE 3: RURAL CROP DRYING
INITIAL CONCEPT FROM LECTURER’S
R&D REJECTED COMPONENTS - 2013
IMPROVED CONCEPT TO
EXTRACT WATER AS WELL – 2014
FURTHER IMPROVED TO
REDUCE DRYING TIME – 2015
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TRANSFORMATIVE TEACHING FOR SUSTAINABLE ENERGY – CONTINUOUS IMPROVEMENT: EVIDENCE
0
200
400
600
800
1000
01020304050607080
2012 2013 2014 2015 OFF SHELF SS OFF SHELF
ELECTRIC
Cap
ital c
ost (
US$
)
Eff
icie
ncy
% o
r Tem
pera
ture
(°C
)
MODEL
COSTS & PERFORMANCE OF STUDENT SOLAR SYPHONS AND OFF SHELF UNITS
Capital cost (US$) Tmax (°C) Efficiency (%)
Pathogen reproduction stops
Pathogen growth stopsPathogens die instantly
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TRANSFORMATIVE TEACHING FOR SUSTAINABLE ENERGY – DID STUDENTS LEARN BETTER? - EVIDENCE
0
0.1
0.2
0.3
0.4
0.5
0
10
20
30
40
50
60
70
80
Summative 1 Summative 2 Project Formative Total Evaluation
RAT
IO S
TAN
DA
RD
D
EV
IAT
ION
TO
ME
AN
MA
RK
S (%
)
Type of Assessment
MED 300S: MACHINE DESIGN 3 RESULTS (SEMESTER 2, 2015)
Mean stdv/mean
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CONCLUSIONS•DISTRIBUTED SOLAR ENERGY HARNESSING
HAS POTENTIAL TO OVERCOME MANY ENERGY CHALLENGES AT HOME LEVEL IN SSA•MAKING A START IN HOME SOLAR ENERGY
HARNESSING NEEDS NEITHER ‘LOTS’ OF MONEY NOR IMPORTED TECHNOLOGIES•PrBL COULD BE USED AS A
TRANSFORMATIVE TEACHING TOOL
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Most of China: 4 -5 kWh/m2 @
day
If China can, SSA should do it better – but probably through her young generation: This is the beauty of Transformative university teaching in SSA today!!
Least solar energy in Africa 4 -5 kWh/m2@
day
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