1. Effect of design parameters of unheated twin air jets on thermal conditions near the doorway;Valkeapää,2002
2. Energy savings using air curtains installed in high-traffic doorways;Lawton;ASHRAE Transactions,1995
3. Effectiveness of cold-storage door infiltration protective devices;Downing;ASHRAE Transactions,1993
4. A new vertical air curtain design for cold-storage doors;Van Male,1983
5. Some measurements on air curtain efficiency for cold rooms;Takahashi,1963