1. H. Akachi, US Patent, Patent Number 4921041, 1990.
2. H. Akachi, US Patent, Patent Number 5490558, 1996.
3. Pulsating heat pipes;Akachi,1996
4. Pulsating heat pipes: a challenge and still unsolved problem in heat pipe science;Groll;Arch. Thermodyn.,2002
5. Advances and unsolved issues in pulsating heat pipes;Zhang;Heat Transfer Eng.,2008