Regulations and customer demands put pressure on rail designers to deliver passenger coaches with comfortable climates. In the past, Siemens engineers spent about four months testing passenger coaches in a climate wind tunnel to validate the design of the heating, ventilation and cooling (HVAC) system. Now they use ANSYS Fluent computational fluid dynamics (CFD) software to validate the design ...

ost residents of nursing homes are in chronic pain but accept this las an inevitable part of ageing, according to a new report. \nA Hidden Problem: pain in older people, the Picker Institute found that a 'high level of stoicism among residents means they often suffer in silence, yet staff are failing to ask residents about their pain'. Stoicism was the most typical response from the 77 nursing ...