Air Temperature Effects on Non-Reacting Spray Characteristics Issued from a Counter-Rotating Swirler

Author(s):  
San-Mou Jeng ◽  
Nicholas Flohre ◽  
Hukam Mongia
2020 ◽  
Vol 222 ◽  
pp. 110071 ◽  
Author(s):  
Alan Green ◽  
Laia Ledo Gomis ◽  
Riccardo Paolini ◽  
Shamila Haddad ◽  
Georgios Kokogiannakis ◽  
...  

HortScience ◽  
2000 ◽  
Vol 35 (3) ◽  
pp. 427E-427
Author(s):  
G.W. Stutte ◽  
I. Eraso ◽  
E.C. Stryjewski

The RASTA (Radish Assimilation in Spaceflight Testbed Atmospheres) space flight experiment is being designed to evaluate effects of spacecraft environment on carbon partitioning in radish. Carbon dioxide concentration and air temperature effects on radish partitioning are being evaluated to optimize conditions on orbit. Determining effects of these stresses on growth will allow environmental stress effects to be isolated from microgravity effects during the mission. Three cultivars, Cherriette, Cherry Belle, and Early Scarlett Globe, have been grown at 23 °C at 400, 1500 and 10,000 ppm CO2 to determine effects of super-elevated CO2 on growth. Total biomass production was greatest at 1500 ppm CO2, with a decline at 10,000 ppm CO2. Harvest index of all cultivars was also highest at 1500 ppm. `Cherry Belle' and `Early Scarlet Globe' were grown at ambient CO2 under temperatures ranging from 18 to 30 °C. Total biomass production was greatest at 22 °C, with significant declines in total dry mass and harvest index with increasing temperatures. Temperatures less than 22 °C resulted in decrease in total biomass, but partitioning to storage roots was enhanced. (Supported by NASA NCC10-0034)


1981 ◽  
Vol 54 (5) ◽  
pp. 1113-1123 ◽  
Author(s):  
D. J. Schuring ◽  
G. L. Hall

Abstract The temperature of the ambient air surrounding an operating tire is an important component of the complex thermal system producing rolling loss. Rolling loss is defined as the amount of heat generated by the rolling tire per unit distance. Figure 1 indicates that part of this heat is conducted and stored within the tire body, part is dissipated at the tire surface. The dissipated heat is directly affected by the temperature of the ambient air. Since all heat modes are interactive, the ambient air temperature must therefore influence the heat generated by the tire and, hence, its rolling loss. Presently, relations between ambient air temperature and rolling loss can be established only through measurements; mathematical models of tire heat generation and distribution have not reached a stage where they can be easily applied.


cftm ◽  
2018 ◽  
Vol 4 (1) ◽  
pp. 1-6 ◽  
Author(s):  
Garland D. Pinnix ◽  
Raymond K. McCauley ◽  
Grady L. Miller

1999 ◽  
Vol 13 (2) ◽  
pp. 334-340 ◽  
Author(s):  
Robert Matysiak ◽  
John D. Nalewaja

Certain salts in the spray carrier can antagonize sethoxydim, while other salts overcome the antagonism or increase the herbicide's efficacy. Sethoxydim responses to salts have not been consistent, and the inconsistency is not completely understood. Experiments were conducted in the greenhouse to determine sethoxydim phytotoxicity to oat as influenced by salts in the spray carrier and by air temperature at and immediately after application as they alter the spray deposit characteristics. Thick amorphous spray deposits were related to ineffective sethoxydim-petroleum oil adjuvant treatments applied alone at 10 C or with bentazon at 10 or 25 C. Also, thin deposits with salt residues were related to ineffective sethoxydim treatments, as when sodium bicarbonate was present. Ammonium sulfate reduced or overcame antagonism of sethoxydim phytotoxicity caused by low temperature, bentazon, and sodium bicarbonate and gave thin deposits having close contact with the leaf epicuticular surface but without obvious salt deposits. UV light antagonism of sethoxydim phytotoxicity was different depending on temperature at and shortly after application and depending on salts in the spray mixture. The results indicate that salts in a bentazon spray carrier are in part antagonistic because of their effect on final spray deposit.


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