Integrated solar water heating is the conversion of sunlight into heat for water heating using a solar thermal collector.

1. Dr. Tadahmun Ahmed Yassen
Mechanical Engineering Department
Tikrit University
Integrated Solar Water Heater for Domestic Use
26 March 2018
Seminar2
Asst.Prof.Dr. Muhammad Asmail Eleiwi
Mechanical Engineering Department
Tikrit University

2. CONTENTS
 Background
 Literature Review
 Problem statement
 Conclusions
 Theory
1

3. BACKGROUND 2
Solar Water
Heater
Passive
(Thermosypho
ne)
Indirect
Direct
Integral
collector/storage
systems
Active
Direct
circulation
Indirect
circulation
Solar Water Heater Classification

4. PROBLEM STATMENT 3
Population Growth
Growing Electric
Demand
Increasing Oil Price
Expensive Electricity

5. LITERATURE REVIEW 4
Direct passive (Thermosephone)
C. Garnier et al 2009
Finding
Peak
temperature
(50-60)˚C

6. LITERATURE REVIEW 5
Finding
Peak temperature
(50-60)˚C
Next morning
temperature
(45-50)˚C
Direct passive (Thermosephone)
Dharuman et al. 2006

7. LITERATURE REVIEW 6
Finding
Peak temperature
(60-70)˚C
Next morning
temperature
(40-45)˚C
Direct passive (Thermosephone)
Rakesh Kumar & Marc A. Rosen 2010

8. LITERATURE REVIEW 7
Finding
1. Double glazing is better than
single glazing for storage water
temperature during night hours.
2. Performance of the system is
optimum with 10 cm depth of
storage
tank.
Direct passive (Thermosephone)
Mousa S. Mohsen et al. 2009

9. LITERATURE REVIEW 8
Finding
Peak temperature
(63)˚C
Next morning
temperature
(40-45)˚C
Direct passive (Thermosephone)
Rakesh Kumar & Marc A. Rosen 2011

10. LITERATURE REVIEW 9
Finding
Double glazing is better than single
glazing for thermal performance.
Direct passive (Thermosephone)
Hamdi Kessentini & Chiheb Bouden 2013

11. Summary of LITERATURE REVIEW 10
Study type
Storage tank
volume
(liter)
Max Storage
temperature
(℃)
Ambient
temperature
(℃)
Ref.
Numerical 60 62 25-38
Kessentini, H. and
Bouden, C. 2013
Experimental 100 60 20-33 Dharuman et al. 2006
Experimental 50 50 01- 07 Garnier et al. 2009
Numerical 100 70 15-25
Rakesh Kumar & Marc
A. Rosen 2010
Experimental 100 63 17-26
Rakesh Kumar & Marc
A. Rosen 2011

12. THEORY 11
Direct passive (Thermosephone)
Daily Efficiency
𝜂 𝑑 =
𝑄 𝑢𝑠𝑒𝑓𝑢𝑙
𝑄 𝑖𝑛𝑐𝑖𝑑𝑒𝑛𝑡
=
𝑀 𝑤 𝑐 𝑝 𝑇 𝑓−𝑇 𝑖
𝐼𝐴 𝑐∆𝐺 𝑑𝑡
𝑈 =
𝑀 𝑤 𝑐 𝑝
∆𝑡
ln
𝑇 𝑖−𝑇 𝑎𝑚𝑏
𝑇 𝑓−𝑇 𝑎𝑚𝑏
Thermal loss During Night

13. CONCLUSIONSPeakwatertemp.
50-70 ᵒC Nextmorningwatertemp.
40-45 ᵒC
Glazing
Double glazing
is better than
single glazing
for storage
water
temperature
during night
hours.
Storagetankdesign
Performance of
the system is
optimum with
10 cm depth of
storage
tank
12

14. REFERENCES 12
1-C. Garnier, J. Currie and T. Muneer, “Integrated Collector Storage Solar Water Heater: Temperature
Stratification,” Applied Energy, Vol. 86, No. 9, 2009, pp. 1465-1469.
2-Dharuman C., Arakeri J.H., Srinivasan K. (2006).Performance evaluation of an integrated solar water
heater as an option for building energy conservation, Energy and Buildings, 38:214–219.
3-Rakesh Kumar & Marc A Rosen 2010, „Thermal performance of integrated collector storage solar water
heater with corrugated absorber surface‟, Applied Thermal Engineering , vol.30, pp. 1764-1768.
6-Kessentini, H., et al., Numerical and Experimental Study of an Integrated Solar Collector with CPC
Reflectors, Renewable Energy, 57 (2013), pp. 577-586.
4-Mohsen, M.S.; Al-Ghandoor, A.; Al-Hinti, I.: Thermal analysis of compact solar water heater under local
climatic conditions. Int. Commun. Heat Mass Transf. 36, 962–968 (2009)
5-Rakesh Kumar, Marc A. Rosen, Integrated collector-storage solar water heater with extended storage
unit, Applied Thermal Engineering, vol. 31, pp. 348 – 354, 2011.

15. THANK YOU