New research from Spain has sought to understand if dimethyl ether and ternary mixtures of carbon dioxide, dimethyl ether and butane could represent an alternative to propane in heat pump systems.

and the size of the heat exchanger. But the traditional manufacturing methods have meant that many desirable shapes were unachievable in practice. "If you could have any shape at all, it might not be ...

Sc.M. Massachusetts Institute of Technology, 1972 S.B. Massachusetts Institute of Technology, 1972 Sc.D. Massachusetts Institute of Technology, 1975 ...